schema.py
author Rémi Cardona <remi.cardona@logilab.fr>
Tue, 06 Oct 2015 18:59:01 +0200
changeset 10630 d82b531fecd9
parent 9984 793377697c81
child 9990 c84ad981fc4a
permissions -rw-r--r--
Added tag 3.19.13, debian/3.19.13-1, centos/3.19.13-1 for changeset f933a38d7ab5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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# copyright 2003-2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""classes to define schemas for CubicWeb"""
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__docformat__ = "restructuredtext en"
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_ = unicode
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import re
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from os.path import join, basename
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from logging import getLogger
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from warnings import warn
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from logilab.common import tempattr
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from logilab.common.decorators import cached, clear_cache, monkeypatch, cachedproperty
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from logilab.common.logging_ext import set_log_methods
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from logilab.common.deprecation import deprecated, class_moved, moved
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from logilab.common.textutils import splitstrip
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from logilab.common.graph import get_cycles
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from yams import BadSchemaDefinition, buildobjs as ybo
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from yams.schema import Schema, ERSchema, EntitySchema, RelationSchema, \
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     RelationDefinitionSchema, PermissionMixIn, role_name
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from yams.constraints import BaseConstraint, FormatConstraint
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from yams.reader import (CONSTRAINTS, PyFileReader, SchemaLoader,
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                         obsolete as yobsolete, cleanup_sys_modules)
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from rql import parse, nodes, RQLSyntaxError, TypeResolverException
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import cubicweb
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from cubicweb import ETYPE_NAME_MAP, ValidationError, Unauthorized
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try:
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    from cubicweb import server
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except ImportError:
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    # We need to lookup DEBUG from there,
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    # however a pure dbapi client may not have it.
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    class server(object): pass
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    server.DEBUG = False
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PURE_VIRTUAL_RTYPES = set(('identity', 'has_text',))
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VIRTUAL_RTYPES = set(('eid', 'identity', 'has_text',))
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# set of meta-relations available for every entity types
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META_RTYPES = set((
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    'owned_by', 'created_by', 'is', 'is_instance_of', 'identity',
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    'eid', 'creation_date', 'cw_source', 'modification_date', 'has_text', 'cwuri',
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    ))
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WORKFLOW_RTYPES = set(('custom_workflow', 'in_state', 'wf_info_for'))
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WORKFLOW_DEF_RTYPES = set(('workflow_of', 'state_of', 'transition_of',
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                           'initial_state', 'default_workflow',
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                           'allowed_transition', 'destination_state',
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                           'from_state', 'to_state', 'condition',
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                           'subworkflow', 'subworkflow_state', 'subworkflow_exit',
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                           'by_transition',
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                           ))
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SYSTEM_RTYPES = set(('in_group', 'require_group',
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                     # cwproperty
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                     'for_user',
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                     'cw_schema', 'cw_import_of', 'cw_for_source',
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                     'cw_host_config_of',
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                     )) | WORKFLOW_RTYPES
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NO_I18NCONTEXT = META_RTYPES | WORKFLOW_RTYPES
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SKIP_COMPOSITE_RELS = [('cw_source', 'subject')]
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# set of entity and relation types used to build the schema
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SCHEMA_TYPES = set((
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    'CWEType', 'CWRType', 'CWAttribute', 'CWRelation',
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    'CWConstraint', 'CWConstraintType', 'CWUniqueTogetherConstraint',
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    'RQLExpression',
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    'specializes',
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    'relation_type', 'from_entity', 'to_entity',
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    'constrained_by', 'cstrtype',
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    'constraint_of', 'relations',
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    'read_permission', 'add_permission',
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    'delete_permission', 'update_permission',
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    ))
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WORKFLOW_TYPES = set(('Transition', 'State', 'TrInfo', 'Workflow',
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                      'WorkflowTransition', 'BaseTransition',
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                      'SubWorkflowExitPoint'))
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INTERNAL_TYPES = set(('CWProperty', 'CWCache', 'ExternalUri', 'CWDataImport',
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                      'CWSource', 'CWSourceHostConfig', 'CWSourceSchemaConfig'))
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_LOGGER = getLogger('cubicweb.schemaloader')
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# entity and relation schema created from serialized schema have an eid
0
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ybo.ETYPE_PROPERTIES += ('eid',)
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ybo.RTYPE_PROPERTIES += ('eid',)
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9393
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# Bases for manipulating RQL in schema #########################################
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def guess_rrqlexpr_mainvars(expression):
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    defined = set(split_expression(expression))
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    mainvars = set()
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    if 'S' in defined:
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        mainvars.add('S')
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    if 'O' in defined:
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        mainvars.add('O')
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    if 'U' in defined:
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        mainvars.add('U')
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    if not mainvars:
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        raise Exception('unable to guess selection variables')
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    return mainvars
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def split_expression(rqlstring):
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    for expr in rqlstring.split(','):
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        for noparen1 in expr.split('('):
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            for noparen2 in noparen1.split(')'):
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                for word in noparen2.split():
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                    yield word
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def normalize_expression(rqlstring):
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    """normalize an rql expression to ease schema synchronization (avoid
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    suppressing and reinserting an expression if only a space has been
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    added/removed for instance)
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    """
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    return u', '.join(' '.join(expr.split()) for expr in rqlstring.split(','))
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class RQLExpression(object):
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    """Base class for RQL expression used in schema (constraints and
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    permissions)
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    """
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    # these are overridden by set_log_methods below
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    # only defining here to prevent pylint from complaining
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    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
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    # to be defined in concrete classes
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    rqlst = None
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    predefined_variables = None
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    def __init__(self, expression, mainvars, eid):
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        """
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        :type mainvars: sequence of RQL variables' names. Can be provided as a
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                        comma separated string.
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        :param mainvars: names of the variables being selected.
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        """
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        self.eid = eid # eid of the entity representing this rql expression
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        assert mainvars, 'bad mainvars %s' % mainvars
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        if isinstance(mainvars, basestring):
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            mainvars = set(splitstrip(mainvars))
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        elif not isinstance(mainvars, set):
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            mainvars = set(mainvars)
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        self.mainvars = mainvars
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        self.expression = normalize_expression(expression)
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        try:
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            self.full_rql = self.rqlst.as_string()
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        except RQLSyntaxError:
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            raise RQLSyntaxError(expression)
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        for mainvar in mainvars:
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            # if variable is predefined, an extra reference is inserted
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            # automatically (`VAR eid %(v)s`)
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            if mainvar in self.predefined_variables:
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                min_refs = 3
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            else:
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                min_refs = 2
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            if len(self.rqlst.defined_vars[mainvar].references()) < min_refs:
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                _LOGGER.warn('You did not use the %s variable in your RQL '
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                             'expression %s', mainvar, self)
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        # syntax tree used by read security (inserted in queries when necessary)
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        self.snippet_rqlst = parse(self.minimal_rql, print_errors=False).children[0]
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        # graph of links between variables, used by rql rewriter
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        self.vargraph = vargraph(self.rqlst)
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        # useful for some instrumentation, e.g. localperms permcheck command
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        self.package = ybo.PACKAGE
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    def __str__(self):
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        return self.full_rql
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    def __repr__(self):
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        return '%s(%s)' % (self.__class__.__name__, self.full_rql)
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    def __lt__(self, other):
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        if hasattr(other, 'expression'):
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            return self.expression < other.expression
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        return True
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    def __eq__(self, other):
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        if hasattr(other, 'expression'):
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            return self.expression == other.expression
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        return False
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    def __hash__(self):
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        return hash(self.expression)
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    def __deepcopy__(self, memo):
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        return self.__class__(self.expression, self.mainvars)
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    def __getstate__(self):
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        return (self.expression, self.mainvars)
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    def __setstate__(self, state):
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        self.__init__(*state)
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    @cachedproperty
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    def rqlst(self):
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        select = parse(self.minimal_rql, print_errors=False).children[0]
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        defined = set(split_expression(self.expression))
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        for varname in self.predefined_variables:
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            if varname in defined:
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                select.add_eid_restriction(select.get_variable(varname), varname.lower(), 'Substitute')
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        return select
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    # permission rql expression specific stuff #################################
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    @cached
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   223
    def transform_has_permission(self):
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        found = None
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        rqlst = self.rqlst
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        for var in rqlst.defined_vars.itervalues():
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            for varref in var.references():
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                rel = varref.relation()
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                if rel is None:
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                    continue
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   231
                try:
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   232
                    prefix, action, suffix = rel.r_type.split('_')
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   233
                except ValueError:
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   234
                    continue
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   235
                if prefix != 'has' or suffix != 'permission' or \
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   236
                       not action in ('add', 'delete', 'update', 'read'):
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   237
                    continue
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   238
                if found is None:
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   239
                    found = []
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   240
                    rqlst.save_state()
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   241
                assert rel.children[0].name == 'U'
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                objvar = rel.children[1].children[0].variable
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                rqlst.remove_node(rel)
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                selected = [v.name for v in rqlst.get_selected_variables()]
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                if objvar.name not in selected:
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   246
                    colindex = len(selected)
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   247
                    rqlst.add_selected(objvar)
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   248
                else:
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   249
                    colindex = selected.index(objvar.name)
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   250
                found.append((action, colindex))
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   251
                # remove U eid %(u)s if U is not used in any other relation
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   252
                uvrefs = rqlst.defined_vars['U'].references()
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   253
                if len(uvrefs) == 1:
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   254
                    rqlst.remove_node(uvrefs[0].relation())
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   255
        if found is not None:
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   256
            rql = rqlst.as_string()
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   257
            if len(rqlst.selection) == 1 and isinstance(rqlst.where, nodes.Relation):
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   258
                # only "Any X WHERE X eid %(x)s" remaining, no need to execute the rql
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                keyarg = rqlst.selection[0].name.lower()
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   260
            else:
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   261
                keyarg = None
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   262
            rqlst.recover()
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   263
            return rql, found, keyarg
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   264
        return rqlst.as_string(), None, None
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   265
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   266
    def _check(self, _cw, **kwargs):
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   267
        """return True if the rql expression is matching the given relation
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   268
        between fromeid and toeid
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   269
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        _cw may be a request or a server side transaction
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   271
        """
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        creating = kwargs.get('creating')
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   273
        if not creating and self.eid is not None:
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   274
            key = (self.eid, tuple(sorted(kwargs.iteritems())))
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   275
            try:
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   276
                return _cw.local_perm_cache[key]
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   277
            except KeyError:
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   278
                pass
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   279
        rql, has_perm_defs, keyarg = self.transform_has_permission()
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   280
        # when creating an entity, expression related to X satisfied
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   281
        if creating and 'X' in self.rqlst.defined_vars:
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   282
            return True
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   283
        if keyarg is None:
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   284
            kwargs.setdefault('u', _cw.user.eid)
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   285
            try:
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   286
                rset = _cw.execute(rql, kwargs, build_descr=True)
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   287
            except NotImplementedError:
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   288
                self.critical('cant check rql expression, unsupported rql %s', rql)
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   289
                if self.eid is not None:
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   290
                    _cw.local_perm_cache[key] = False
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   291
                return False
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   292
            except TypeResolverException as ex:
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   293
                # some expression may not be resolvable with current kwargs
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   294
                # (type conflict)
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   295
                self.warning('%s: %s', rql, str(ex))
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   296
                if self.eid is not None:
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   297
                    _cw.local_perm_cache[key] = False
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   298
                return False
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   299
            except Unauthorized as ex:
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   300
                self.debug('unauthorized %s: %s', rql, str(ex))
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   301
                if self.eid is not None:
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   302
                    _cw.local_perm_cache[key] = False
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   303
                return False
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   304
        else:
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   305
            rset = _cw.eid_rset(kwargs[keyarg])
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   306
        # if no special has_*_permission relation in the rql expression, just
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   307
        # check the result set contains something
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   308
        if has_perm_defs is None:
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   309
            if rset:
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   310
                if self.eid is not None:
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   311
                    _cw.local_perm_cache[key] = True
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   312
                return True
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   313
        elif rset:
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   314
            # check every special has_*_permission relation is satisfied
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   315
            get_eschema = _cw.vreg.schema.eschema
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   316
            try:
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   317
                for eaction, col in has_perm_defs:
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   318
                    for i in xrange(len(rset)):
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   319
                        eschema = get_eschema(rset.description[i][col])
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   320
                        eschema.check_perm(_cw, eaction, eid=rset[i][col])
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diff changeset
   321
                if self.eid is not None:
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   322
                    _cw.local_perm_cache[key] = True
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   323
                return True
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diff changeset
   324
            except Unauthorized:
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   325
                pass
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   326
        if self.eid is not None:
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   327
            _cw.local_perm_cache[key] = False
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   328
        return False
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   329
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   330
    @property
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   331
    def minimal_rql(self):
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   332
        return 'Any %s WHERE %s' % (','.join(sorted(self.mainvars)),
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   333
                                    self.expression)
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   334
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   335
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# rql expressions for use in permission definition #############################
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   338
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   339
class ERQLExpression(RQLExpression):
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   340
    predefined_variables = 'XU'
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   341
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   342
    def __init__(self, expression, mainvars=None, eid=None):
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   343
        RQLExpression.__init__(self, expression, mainvars or 'X', eid)
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   344
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   345
    def check(self, _cw, eid=None, creating=False, **kwargs):
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   346
        if 'X' in self.rqlst.defined_vars:
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   347
            if eid is None:
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   348
                if creating:
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   349
                    return self._check(_cw, creating=True, **kwargs)
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   350
                return False
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   351
            assert creating == False
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   352
            return self._check(_cw, x=eid, **kwargs)
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   353
        return self._check(_cw, **kwargs)
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   354
9600
bde625698f44 [merge] bring the 3.17.14 fixes to 3.18
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diff changeset
   355
def constraint_by_eid(self, eid):
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diff changeset
   356
    for cstr in self.constraints:
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   357
        if cstr.eid == eid:
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   358
            return cstr
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   359
    raise ValueError('No constraint with eid %d' % eid)
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diff changeset
   360
RelationDefinitionSchema.constraint_by_eid = constraint_by_eid
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diff changeset
   361
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   362
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   363
def vargraph(rqlst):
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   364
    """ builds an adjacency graph of variables from the rql syntax tree, e.g:
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   365
    Any O,S WHERE T subworkflow_exit S, T subworkflow WF, O state_of WF
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   366
    => {'WF': ['O', 'T'], 'S': ['T'], 'T': ['WF', 'S'], 'O': ['WF']}
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   367
    """
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   368
    vargraph = {}
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   369
    for relation in rqlst.get_nodes(nodes.Relation):
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   370
        try:
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   371
            rhsvarname = relation.children[1].children[0].variable.name
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   372
            lhsvarname = relation.children[0].name
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   373
        except AttributeError:
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   374
            pass
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diff changeset
   375
        else:
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   376
            vargraph.setdefault(lhsvarname, []).append(rhsvarname)
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   377
            vargraph.setdefault(rhsvarname, []).append(lhsvarname)
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diff changeset
   378
            #vargraph[(lhsvarname, rhsvarname)] = relation.r_type
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diff changeset
   379
    return vargraph
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diff changeset
   380
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   381
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   382
class GeneratedConstraint(object):
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diff changeset
   383
    def __init__(self, rqlst, mainvars):
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diff changeset
   384
        self.snippet_rqlst = rqlst
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diff changeset
   385
        self.mainvars = mainvars
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diff changeset
   386
        self.vargraph = vargraph(rqlst)
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diff changeset
   387
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diff changeset
   388
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diff changeset
   389
class RRQLExpression(RQLExpression):
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diff changeset
   390
    predefined_variables = 'SOU'
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diff changeset
   391
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diff changeset
   392
    def __init__(self, expression, mainvars=None, eid=None):
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diff changeset
   393
        if mainvars is None:
8266c8c375bb [schema] move definition of RQLExpression classes before default permission dicts
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diff changeset
   394
            mainvars = guess_rrqlexpr_mainvars(expression)
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diff changeset
   395
        RQLExpression.__init__(self, expression, mainvars, eid)
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diff changeset
   396
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diff changeset
   397
    def check(self, _cw, fromeid=None, toeid=None):
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diff changeset
   398
        kwargs = {}
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diff changeset
   399
        if 'S' in self.rqlst.defined_vars:
8266c8c375bb [schema] move definition of RQLExpression classes before default permission dicts
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parents: 9366
diff changeset
   400
            if fromeid is None:
8266c8c375bb [schema] move definition of RQLExpression classes before default permission dicts
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parents: 9366
diff changeset
   401
                return False
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diff changeset
   402
            kwargs['s'] = fromeid
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diff changeset
   403
        if 'O' in self.rqlst.defined_vars:
8266c8c375bb [schema] move definition of RQLExpression classes before default permission dicts
Julien Cristau <julien.cristau@logilab.fr>
parents: 9366
diff changeset
   404
            if toeid is None:
8266c8c375bb [schema] move definition of RQLExpression classes before default permission dicts
Julien Cristau <julien.cristau@logilab.fr>
parents: 9366
diff changeset
   405
                return False
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Julien Cristau <julien.cristau@logilab.fr>
parents: 9366
diff changeset
   406
            kwargs['o'] = toeid
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diff changeset
   407
        return self._check(_cw, **kwargs)
8266c8c375bb [schema] move definition of RQLExpression classes before default permission dicts
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parents: 9366
diff changeset
   408
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   409
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   410
# In yams, default 'update' perm for attributes granted to managers and owners.
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   411
# Within cw, we want to default to users who may edit the entity holding the
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   412
# attribute.
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   413
# These default permissions won't be checked by the security hooks:
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   414
# since they delegate checking to the entity, we can skip actual checks.
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   415
ybo.DEFAULT_ATTRPERMS['update'] = ('managers', ERQLExpression('U has_update_permission X'))
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   416
ybo.DEFAULT_ATTRPERMS['add'] = ('managers', ERQLExpression('U has_add_permission X'))
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   417
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   418
4754
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   419
PUB_SYSTEM_ENTITY_PERMS = {
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   420
    'read':   ('managers', 'users', 'guests',),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   421
    'add':    ('managers',),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   422
    'delete': ('managers',),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   423
    'update': ('managers',),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   424
    }
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   425
PUB_SYSTEM_REL_PERMS = {
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   426
    'read':   ('managers', 'users', 'guests',),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   427
    'add':    ('managers',),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   428
    'delete': ('managers',),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   429
    }
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   430
PUB_SYSTEM_ATTR_PERMS = {
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   431
    'read':   ('managers', 'users', 'guests',),
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   432
    'add': ('managers',),
6944
0cf10429ad39 [sources] rewrite the way pyrorql mapping are stored in the database so it can be reused for other sources (eg datafeed+cwxml)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6861
diff changeset
   433
    'update': ('managers',),
4754
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   434
    }
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   435
RO_REL_PERMS = {
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   436
    'read':   ('managers', 'users', 'guests',),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   437
    'add':    (),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   438
    'delete': (),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   439
    }
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   440
RO_ATTR_PERMS = {
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   441
    'read':   ('managers', 'users', 'guests',),
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9393
diff changeset
   442
    'add': ybo.DEFAULT_ATTRPERMS['add'],
4754
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   443
    'update': (),
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   444
    }
6bf17f810975 [schema] new constants for permissions definitions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4717
diff changeset
   445
2926
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   446
# XXX same algorithm as in reorder_cubes and probably other place,
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   447
# may probably extract a generic function
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   448
def order_eschemas(eschemas):
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   449
    """return entity schemas ordered such that entity types which specializes an
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   450
    other one appears after that one
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   451
    """
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   452
    graph = {}
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   453
    for eschema in eschemas:
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   454
        if eschema.specializes():
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   455
            graph[eschema] = set((eschema.specializes(),))
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   456
        else:
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   457
            graph[eschema] = set()
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   458
    cycles = get_cycles(graph)
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   459
    if cycles:
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   460
        cycles = '\n'.join(' -> '.join(cycle) for cycle in cycles)
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   461
        raise Exception('cycles in entity schema specialization: %s'
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   462
                        % cycles)
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   463
    eschemas = []
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   464
    while graph:
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   465
        # sorted to get predictable results
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   466
        for eschema, deps in sorted(graph.items()):
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   467
            if not deps:
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   468
                eschemas.append(eschema)
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   469
                del graph[eschema]
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   470
                for deps in graph.itervalues():
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   471
                    try:
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   472
                        deps.remove(eschema)
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   473
                    except KeyError:
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   474
                        continue
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   475
    return eschemas
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
   476
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   477
def bw_normalize_etype(etype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   478
    if etype in ETYPE_NAME_MAP:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
        msg = '%s has been renamed to %s, please update your code' % (
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   480
            etype, ETYPE_NAME_MAP[etype])
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   481
        warn(msg, DeprecationWarning, stacklevel=4)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   482
        etype = ETYPE_NAME_MAP[etype]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   483
    return etype
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   484
3275
5247789df541 [gettext] provide GNU contexts to avoid translations ambiguities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3240
diff changeset
   485
def display_name(req, key, form='', context=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   486
    """return a internationalized string for the key (schema entity or relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   487
    name) in a given form
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   488
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   489
    assert form in ('', 'plural', 'subject', 'object')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   490
    if form == 'subject':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
        form = ''
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   492
    if form:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   493
        key = key + '_' + form
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   494
    # ensure unicode
3284
036cf5a25714 ensure pgettext return unicode as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3275
diff changeset
   495
    if context is not None:
7951
b7c825b00f64 [schema display] display_name shouldn't call .lower(). Note the only proper way is to have different msgid for upper/lower cases. Closes #1105433
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7894
diff changeset
   496
        return unicode(req.pgettext(context, key))
3275
5247789df541 [gettext] provide GNU contexts to avoid translations ambiguities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3240
diff changeset
   497
    else:
7951
b7c825b00f64 [schema display] display_name shouldn't call .lower(). Note the only proper way is to have different msgid for upper/lower cases. Closes #1105433
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7894
diff changeset
   498
        return unicode(req._(key))
3275
5247789df541 [gettext] provide GNU contexts to avoid translations ambiguities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3240
diff changeset
   499
3978
2c95e3033f64 finish yesterday work on rql constraints:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3968
diff changeset
   500
2c95e3033f64 finish yesterday work on rql constraints:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3968
diff changeset
   501
# Schema objects definition ###################################################
2c95e3033f64 finish yesterday work on rql constraints:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3968
diff changeset
   502
3471
8c57c71b859c can now give context to rschema.display_name(...)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3401
diff changeset
   503
def ERSchema_display_name(self, req, form='', context=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
    """return a internationalized string for the entity/relation type name in
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   505
    a given form
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   506
    """
3471
8c57c71b859c can now give context to rschema.display_name(...)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3401
diff changeset
   507
    return display_name(req, self.type, form, context)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   508
ERSchema.display_name = ERSchema_display_name
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   509
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   510
@cached
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   511
def get_groups(self, action):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   512
    """return the groups authorized to perform <action> on entities of
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   513
    this type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   514
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
    :type action: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   516
    :param action: the name of a permission
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   517
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   518
    :rtype: tuple
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   519
    :return: names of the groups with the given permission
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   521
    assert action in self.ACTIONS, action
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
    #assert action in self._groups, '%s %s' % (self, action)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
    try:
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   524
        return frozenset(g for g in self.permissions[action] if isinstance(g, basestring))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
    except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
        return ()
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   527
PermissionMixIn.get_groups = get_groups
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   528
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   529
@cached
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   530
def get_rqlexprs(self, action):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   531
    """return the rql expressions representing queries to check the user is allowed
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   532
    to perform <action> on entities of this type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   533
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   534
    :type action: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   535
    :param action: the name of a permission
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   536
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   537
    :rtype: tuple
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   538
    :return: the rql expressions with the given permission
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
    assert action in self.ACTIONS, action
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
    #assert action in self._rqlexprs, '%s %s' % (self, action)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
    try:
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   543
        return tuple(g for g in self.permissions[action] if not isinstance(g, basestring))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   544
    except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   545
        return ()
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   546
PermissionMixIn.get_rqlexprs = get_rqlexprs
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   548
orig_set_action_permissions = PermissionMixIn.set_action_permissions
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   549
def set_action_permissions(self, action, permissions):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   550
    """set the groups and rql expressions allowing to perform <action> on
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   551
    entities of this type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   552
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   553
    :type action: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   554
    :param action: the name of a permission
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   555
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   556
    :type permissions: tuple
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   557
    :param permissions: the groups and rql expressions allowing the given action
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   558
    """
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   559
    orig_set_action_permissions(self, action, tuple(permissions))
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   560
    clear_cache(self, 'get_rqlexprs')
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   561
    clear_cache(self, 'get_groups')
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   562
PermissionMixIn.set_action_permissions = set_action_permissions
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   563
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   564
def has_local_role(self, action):
9817
bb719d857421 [schema] spelling fixes in doc strings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9711
diff changeset
   565
    """return true if the action *may* be granted locally (eg either rql
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   566
    expressions or the owners group are used in security definition)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   567
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   568
    XXX this method is only there since we don't know well how to deal with
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   569
    'add' action checking. Also find a better name would be nice.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   570
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   571
    assert action in self.ACTIONS, action
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   572
    if self.get_rqlexprs(action):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   573
        return True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   574
    if action in ('update', 'delete'):
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   575
        return 'owners' in self.get_groups(action)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   576
    return False
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   577
PermissionMixIn.has_local_role = has_local_role
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   578
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   579
def may_have_permission(self, action, req):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   580
    if action != 'read' and not (self.has_local_role('read') or
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   581
                                 self.has_perm(req, 'read')):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   582
        return False
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   583
    return self.has_local_role(action) or self.has_perm(req, action)
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   584
PermissionMixIn.may_have_permission = may_have_permission
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   585
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   586
def has_perm(self, _cw, action, **kwargs):
9817
bb719d857421 [schema] spelling fixes in doc strings
Julien Cristau <julien.cristau@logilab.fr>
parents: 9711
diff changeset
   587
    """return true if the action is granted globally or locally"""
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   588
    try:
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   589
        self.check_perm(_cw, action, **kwargs)
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   590
        return True
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   591
    except Unauthorized:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   592
        return False
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   593
PermissionMixIn.has_perm = has_perm
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   594
9148
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   595
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   596
def check_perm(self, _cw, action, **kwargs):
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   597
    # NB: _cw may be a server transaction or a request object.
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   598
    #
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   599
    # check user is in an allowed group, if so that's enough internal
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   600
    # transactions should always stop there
9148
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   601
    DBG = False
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   602
    if server.DEBUG & server.DBG_SEC:
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   603
        if action in server._SECURITY_CAPS:
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   604
            _self_str = str(self)
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   605
            if server._SECURITY_ITEMS:
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   606
                if any(item in _self_str for item in server._SECURITY_ITEMS):
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   607
                    DBG = True
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   608
            else:
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   609
                DBG = True
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   610
    groups = self.get_groups(action)
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   611
    if _cw.user.matching_groups(groups):
9148
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   612
        if DBG:
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   613
            print 'check_perm: %r %r: user matches %s' % (action, _self_str, groups)
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   614
        return
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   615
    # if 'owners' in allowed groups, check if the user actually owns this
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   616
    # object, if so that's enough
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   617
    #
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   618
    # NB: give _cw to user.owns since user is not be bound to a transaction on
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   619
    # the repository side
4607
55eab66c6592 [schema security] fix so that when cheking attributes perms for an entity being created, 'owners' and has_*_permission in erqlexpr are considered satisfied
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4586
diff changeset
   620
    if 'owners' in groups and (
55eab66c6592 [schema security] fix so that when cheking attributes perms for an entity being created, 'owners' and has_*_permission in erqlexpr are considered satisfied
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4586
diff changeset
   621
          kwargs.get('creating')
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   622
          or ('eid' in kwargs and _cw.user.owns(kwargs['eid']))):
9148
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   623
        if DBG:
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   624
            print ('check_perm: %r %r: user is owner or creation time' %
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   625
                   (action, _self_str))
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   626
        return
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   627
    # else if there is some rql expressions, check them
9148
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   628
    if DBG:
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   629
        print ('check_perm: %r %r %s' %
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   630
               (action, _self_str, [(rqlexpr, kwargs, rqlexpr.check(_cw, **kwargs))
1b549c1acd4f [schema,server] add a security debugging aid (closes #2920304)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8945
diff changeset
   631
                                    for rqlexpr in self.get_rqlexprs(action)]))
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   632
    if any(rqlexpr.check(_cw, **kwargs)
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   633
           for rqlexpr in self.get_rqlexprs(action)):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   634
        return
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   635
    raise Unauthorized(action, str(self))
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   636
PermissionMixIn.check_perm = check_perm
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   637
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   638
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   639
RelationDefinitionSchema._RPROPERTIES['eid'] = None
8945
ba9e3fbfa5a5 [schemaserial] serialize additional yams parameter for customs type
Vincent Michel <vincent.michel@logilab.fr>
parents: 8892
diff changeset
   640
# remember rproperties defined at this point. Others will have to be serialized in
ba9e3fbfa5a5 [schemaserial] serialize additional yams parameter for customs type
Vincent Michel <vincent.michel@logilab.fr>
parents: 8892
diff changeset
   641
# CWAttribute.extra_props
ba9e3fbfa5a5 [schemaserial] serialize additional yams parameter for customs type
Vincent Michel <vincent.michel@logilab.fr>
parents: 8892
diff changeset
   642
KNOWN_RPROPERTIES = RelationDefinitionSchema.ALL_PROPERTIES()
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   643
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   644
def rql_expression(self, expression, mainvars=None, eid=None):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   645
    """rql expression factory"""
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   646
    if self.rtype.final:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   647
        return ERQLExpression(expression, mainvars, eid)
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   648
    return RRQLExpression(expression, mainvars, eid)
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   649
RelationDefinitionSchema.rql_expression = rql_expression
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   650
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   651
orig_check_permission_definitions = RelationDefinitionSchema.check_permission_definitions
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   652
def check_permission_definitions(self):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   653
    orig_check_permission_definitions(self)
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   654
    schema = self.subject.schema
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   655
    for action, groups in self.permissions.iteritems():
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   656
        for group_or_rqlexpr in groups:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   657
            if action == 'read' and \
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   658
                   isinstance(group_or_rqlexpr, RQLExpression):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   659
                msg = "can't use rql expression for read permission of %s"
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   660
                raise BadSchemaDefinition(msg % self)
4574
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   661
            if self.final and isinstance(group_or_rqlexpr, RRQLExpression):
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   662
                msg = "can't use RRQLExpression on %s, use an ERQLExpression"
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   663
                raise BadSchemaDefinition(msg % self)
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   664
            if not self.final and isinstance(group_or_rqlexpr, ERQLExpression):
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   665
                msg = "can't use ERQLExpression on %s, use a RRQLExpression"
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   666
                raise BadSchemaDefinition(msg % self)
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   667
RelationDefinitionSchema.check_permission_definitions = check_permission_definitions
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   668
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   669
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   670
class CubicWebEntitySchema(EntitySchema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   671
    """a entity has a type, a set of subject and or object relations
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   672
    the entity schema defines the possible relations for a given type and some
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   673
    constraints on those relations
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   674
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   675
    def __init__(self, schema=None, edef=None, eid=None, **kwargs):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   676
        super(CubicWebEntitySchema, self).__init__(schema, edef, **kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   677
        if eid is None and edef is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   678
            eid = getattr(edef, 'eid', None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   679
        self.eid = eid
4574
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   680
9547
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   681
    def targets(self, role):
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   682
        assert role in ('subject', 'object')
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   683
        if role == 'subject':
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   684
            return self.subjrels.values()
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   685
        return self.objrels.values()
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   686
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   687
    @cachedproperty
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   688
    def composite_rdef_roles(self):
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   689
        """Return all relation definitions that define the current entity
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   690
        type as a composite.
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   691
        """
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   692
        rdef_roles = []
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   693
        for role in ('subject', 'object'):
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   694
            for rschema in self.targets(role):
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   695
                if rschema.final:
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   696
                    continue
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   697
                for rdef in rschema.rdefs.values():
9711
59616edc20d7 [schema] fix buggy composite_rdef_roles and associated test
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9660
diff changeset
   698
                    if (role == 'subject' and rdef.subject == self) or \
59616edc20d7 [schema] fix buggy composite_rdef_roles and associated test
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9660
diff changeset
   699
                            (role == 'object' and rdef.object == self):
59616edc20d7 [schema] fix buggy composite_rdef_roles and associated test
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9660
diff changeset
   700
                        crole = rdef.composite
59616edc20d7 [schema] fix buggy composite_rdef_roles and associated test
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9660
diff changeset
   701
                        if crole == role:
59616edc20d7 [schema] fix buggy composite_rdef_roles and associated test
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9660
diff changeset
   702
                            rdef_roles.append((rdef, role))
9547
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   703
        return rdef_roles
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   704
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   705
    @cachedproperty
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   706
    def is_composite(self):
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   707
        return bool(len(self.composite_rdef_roles))
43aace16a953 [schema] add composite handling helpers on EntitySchema (related to #3463112)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9469
diff changeset
   708
4574
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   709
    def check_permission_definitions(self):
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   710
        super(CubicWebEntitySchema, self).check_permission_definitions()
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   711
        for groups in self.permissions.itervalues():
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   712
            for group_or_rqlexpr in groups:
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   713
                if isinstance(group_or_rqlexpr, RRQLExpression):
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   714
                    msg = "can't use RRQLExpression on %s, use an ERQLExpression"
2380444d982c [schema] refactor/cleanup check_permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   715
                    raise BadSchemaDefinition(msg % self.type)
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   716
6951
cb6314b09e0f [schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6949
diff changeset
   717
    def is_subobject(self, strict=False, skiprels=None):
cb6314b09e0f [schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6949
diff changeset
   718
        if skiprels is None:
cb6314b09e0f [schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6949
diff changeset
   719
            skiprels = SKIP_COMPOSITE_RELS
cb6314b09e0f [schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6949
diff changeset
   720
        else:
cb6314b09e0f [schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6949
diff changeset
   721
            skiprels += SKIP_COMPOSITE_RELS
cb6314b09e0f [schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6949
diff changeset
   722
        return super(CubicWebEntitySchema, self).is_subobject(strict,
cb6314b09e0f [schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6949
diff changeset
   723
                                                              skiprels=skiprels)
cb6314b09e0f [schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6949
diff changeset
   724
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   725
    def attribute_definitions(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   726
        """return an iterator on attribute definitions
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   727
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   728
        attribute relations are a subset of subject relations where the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   729
        object's type is a final entity
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   730
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   731
        an attribute definition is a 2-uple :
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   732
        * name of the relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   733
        * schema of the destination entity type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   734
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   735
        iter = super(CubicWebEntitySchema, self).attribute_definitions()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   736
        for rschema, attrschema in iter:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   737
            if rschema.type == 'has_text':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   738
                continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   739
            yield rschema, attrschema
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   740
2128
464edb198faa drop @ wildcard in relation subject/object, override main_attribute for proper behaviour
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2126
diff changeset
   741
    def main_attribute(self):
464edb198faa drop @ wildcard in relation subject/object, override main_attribute for proper behaviour
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2126
diff changeset
   742
        """convenience method that returns the *main* (i.e. the first non meta)
464edb198faa drop @ wildcard in relation subject/object, override main_attribute for proper behaviour
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2126
diff changeset
   743
        attribute defined in the entity schema
464edb198faa drop @ wildcard in relation subject/object, override main_attribute for proper behaviour
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2126
diff changeset
   744
        """
464edb198faa drop @ wildcard in relation subject/object, override main_attribute for proper behaviour
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2126
diff changeset
   745
        for rschema, _ in self.attribute_definitions():
2622
3c7edaa6c6d2 oops, should have been in a earlier commit (META_RELATION_TYPES renaming)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2616
diff changeset
   746
            if not (rschema in META_RTYPES
2128
464edb198faa drop @ wildcard in relation subject/object, override main_attribute for proper behaviour
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2126
diff changeset
   747
                    or self.is_metadata(rschema)):
464edb198faa drop @ wildcard in relation subject/object, override main_attribute for proper behaviour
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2126
diff changeset
   748
                return rschema
464edb198faa drop @ wildcard in relation subject/object, override main_attribute for proper behaviour
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2126
diff changeset
   749
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   750
    def add_subject_relation(self, rschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   751
        """register the relation schema as possible subject relation"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   752
        super(CubicWebEntitySchema, self).add_subject_relation(rschema)
7467
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   753
        if rschema.final:
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   754
            if self.rdef(rschema).get('fulltextindexed'):
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   755
                self._update_has_text()
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   756
        elif rschema.fulltext_container:
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   757
            self._update_has_text()
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   758
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   759
    def add_object_relation(self, rschema):
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   760
        """register the relation schema as possible object relation"""
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   761
        super(CubicWebEntitySchema, self).add_object_relation(rschema)
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   762
        if rschema.fulltext_container:
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   763
            self._update_has_text()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   764
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   765
    def del_subject_relation(self, rtype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   766
        super(CubicWebEntitySchema, self).del_subject_relation(rtype)
7467
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   767
        if 'has_text' in self.subjrels:
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   768
            self._update_has_text(deletion=True)
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   769
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   770
    def del_object_relation(self, rtype):
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   771
        super(CubicWebEntitySchema, self).del_object_relation(rtype)
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   772
        if 'has_text' in self.subjrels:
5a6b3e51807d [schema] fix computing of has_text relation: when a fulltext_container relation is added, we need to recompute has_text for the target entity type as well. Also, avoid computation when not needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7152
diff changeset
   773
            self._update_has_text(deletion=True)
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   774
2632
920bfaff60a4 B [schema update] may remove has_text unexpectedly, give another argument to fix it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2622
diff changeset
   775
    def _update_has_text(self, deletion=False):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   776
        may_need_has_text, has_has_text = False, False
2632
920bfaff60a4 B [schema update] may remove has_text unexpectedly, give another argument to fix it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2622
diff changeset
   777
        need_has_text = None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   778
        for rschema in self.subject_relations():
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3554
diff changeset
   779
            if rschema.final:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   780
                if rschema == 'has_text':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   781
                    has_has_text = True
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   782
                elif self.rdef(rschema).get('fulltextindexed'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   783
                    may_need_has_text = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   784
            elif rschema.fulltext_container:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   785
                if rschema.fulltext_container == 'subject':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   786
                    may_need_has_text = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   787
                else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   788
                    need_has_text = False
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   789
        for rschema in self.object_relations():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   790
            if rschema.fulltext_container:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   791
                if rschema.fulltext_container == 'object':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   792
                    may_need_has_text = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   793
                else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   794
                    need_has_text = False
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   795
        if need_has_text is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   796
            need_has_text = may_need_has_text
2632
920bfaff60a4 B [schema update] may remove has_text unexpectedly, give another argument to fix it
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2622
diff changeset
   797
        if need_has_text and not has_has_text and not deletion:
4755
13a5d3a7410e [schema] tweaks meta-relations and schema/workflow entities attributes permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4754
diff changeset
   798
            rdef = ybo.RelationDefinition(self.type, 'has_text', 'String',
13a5d3a7410e [schema] tweaks meta-relations and schema/workflow entities attributes permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4754
diff changeset
   799
                                          __permissions__=RO_ATTR_PERMS)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   800
            self.schema.add_relation_def(rdef)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   801
        elif not need_has_text and has_has_text:
5122
c06078d59e87 [schema] ensure we don't remove has_text relation type unfortunatly
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   802
            # use rschema.del_relation_def and not schema.del_relation_def to
c06078d59e87 [schema] ensure we don't remove has_text relation type unfortunatly
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   803
            # avoid deleting the relation type accidentally...
c06078d59e87 [schema] ensure we don't remove has_text relation type unfortunatly
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   804
            self.schema['has_text'].del_relation_def(self, self.schema['String'])
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   805
5896
67683b7e591a cleanups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5768
diff changeset
   806
    def schema_entity(self): # XXX @property for consistency with meta
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   807
        """return True if this entity type is used to build the schema"""
2126
a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   808
        return self.type in SCHEMA_TYPES
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   809
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   810
    def rql_expression(self, expression, mainvars=None, eid=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   811
        """rql expression factory"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   812
        return ERQLExpression(expression, mainvars, eid)
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   813
2252
dd9758cb77e1 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2222
diff changeset
   814
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   815
class CubicWebRelationSchema(RelationSchema):
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   816
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   817
    def __init__(self, schema=None, rdef=None, eid=None, **kwargs):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   818
        if rdef is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   819
            # if this relation is inlined
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   820
            self.inlined = rdef.inlined
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   821
        super(CubicWebRelationSchema, self).__init__(schema, rdef, **kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   822
        if eid is None and rdef is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   823
            eid = getattr(rdef, 'eid', None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   824
        self.eid = eid
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   825
2126
a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   826
    @property
a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   827
    def meta(self):
2622
3c7edaa6c6d2 oops, should have been in a earlier commit (META_RELATION_TYPES renaming)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2616
diff changeset
   828
        return self.type in META_RTYPES
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   829
5896
67683b7e591a cleanups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5768
diff changeset
   830
    def schema_relation(self): # XXX @property for consistency with meta
2126
a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   831
        """return True if this relation type is used to build the schema"""
a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   832
        return self.type in SCHEMA_TYPES
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   833
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   834
    def may_have_permission(self, action, req, eschema=None, role=None):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   835
        if eschema is not None:
4019
7f68077d2c3b api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 4005
diff changeset
   836
            for tschema in self.targets(eschema, role):
7f68077d2c3b api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 4005
diff changeset
   837
                rdef = self.role_rdef(eschema, tschema, role)
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   838
                if rdef.may_have_permission(action, req):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   839
                    return True
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   840
        else:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   841
            for rdef in self.rdefs.itervalues():
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   842
                if rdef.may_have_permission(action, req):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   843
                    return True
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   844
        return False
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   845
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   846
    def has_perm(self, _cw, action, **kwargs):
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   847
        """return true if the action is granted globaly or localy"""
4575
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   848
        if self.final:
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   849
            assert not ('fromeid' in kwargs or 'toeid' in kwargs), kwargs
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   850
            assert action in ('read', 'update')
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   851
            if 'eid' in kwargs:
9469
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9395
diff changeset
   852
                subjtype = _cw.entity_metas(kwargs['eid'])['type']
4575
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   853
            else:
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   854
                subjtype = objtype = None
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   855
        else:
4575
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   856
            assert not 'eid' in kwargs, kwargs
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   857
            assert action in ('read', 'add', 'delete')
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   858
            if 'fromeid' in kwargs:
9469
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9395
diff changeset
   859
                subjtype = _cw.entity_metas(kwargs['fromeid'])['type']
5746
f4fc424747db [security] SchemaRelation.has_perm grows to new arguments allowing to specify subject/object entity type when actual eid are not known, but their types are
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5703
diff changeset
   860
            elif 'frometype' in kwargs:
f4fc424747db [security] SchemaRelation.has_perm grows to new arguments allowing to specify subject/object entity type when actual eid are not known, but their types are
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5703
diff changeset
   861
                subjtype = kwargs.pop('frometype')
4575
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   862
            else:
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   863
                subjtype = None
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   864
            if 'toeid' in kwargs:
9469
032825bbacab [multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9395
diff changeset
   865
                objtype = _cw.entity_metas(kwargs['toeid'])['type']
5746
f4fc424747db [security] SchemaRelation.has_perm grows to new arguments allowing to specify subject/object entity type when actual eid are not known, but their types are
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5703
diff changeset
   866
            elif 'toetype' in kwargs:
f4fc424747db [security] SchemaRelation.has_perm grows to new arguments allowing to specify subject/object entity type when actual eid are not known, but their types are
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5703
diff changeset
   867
                objtype = kwargs.pop('toetype')
4575
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   868
            else:
4a7fe84f7803 [schema] fix RelationSchema.has_perm to properly works with attribute relations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4574
diff changeset
   869
                objtype = None
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   870
        if objtype and subjtype:
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   871
            return self.rdef(subjtype, objtype).has_perm(_cw, action, **kwargs)
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   872
        elif subjtype:
4004
c52619c738a5 api renaming update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 4003
diff changeset
   873
            for tschema in self.targets(subjtype, 'subject'):
c52619c738a5 api renaming update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 4003
diff changeset
   874
                rdef = self.rdef(subjtype, tschema)
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   875
                if not rdef.has_perm(_cw, action, **kwargs):
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   876
                    return False
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   877
        elif objtype:
4004
c52619c738a5 api renaming update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 4003
diff changeset
   878
            for tschema in self.targets(objtype, 'object'):
c52619c738a5 api renaming update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 4003
diff changeset
   879
                rdef = self.rdef(tschema, objtype)
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   880
                if not rdef.has_perm(_cw, action, **kwargs):
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   881
                    return False
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   882
        else:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   883
            for rdef in self.rdefs.itervalues():
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
   884
                if not rdef.has_perm(_cw, action, **kwargs):
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   885
                    return False
4233
94ffaecd8e8c ouch, has_perm was always returning False...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   886
        return True
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   887
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   888
    @deprecated('use .rdef(subjtype, objtype).role_cardinality(role)')
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   889
    def cardinality(self, subjtype, objtype, target):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   890
        return self.rdef(subjtype, objtype).role_cardinality(target)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   891
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   892
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   893
class CubicWebSchema(Schema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   894
    """set of entities and relations schema defining the possible data sets
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   895
    used in an application
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   896
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   897
    :type name: str
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2460
diff changeset
   898
    :ivar name: name of the schema, usually the instance identifier
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   899
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   900
    :type base: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   901
    :ivar base: path of the directory where the schema is defined
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   902
    """
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   903
    reading_from_database = False
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   904
    entity_class = CubicWebEntitySchema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   905
    relation_class = CubicWebRelationSchema
2958
44e5446b649b no inference for the identity relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2926
diff changeset
   906
    no_specialization_inference = ('identity',)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   907
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   908
    def __init__(self, *args, **kwargs):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   909
        self._eid_index = {}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   910
        super(CubicWebSchema, self).__init__(*args, **kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   911
        ybo.register_base_types(self)
2300
c8151d004e06 meta has been drop
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2293
diff changeset
   912
        rschema = self.add_relation_type(ybo.RelationType('eid'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   913
        rschema.final = True
2300
c8151d004e06 meta has been drop
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2293
diff changeset
   914
        rschema = self.add_relation_type(ybo.RelationType('has_text'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   915
        rschema.final = True
2300
c8151d004e06 meta has been drop
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2293
diff changeset
   916
        rschema = self.add_relation_type(ybo.RelationType('identity'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   917
        rschema.final = False
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   918
7440
539de926ec9d [test] fix failure introduced by 1719eab69551: the regexp should be fixed, not the error message
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7383
diff changeset
   919
    etype_name_re = r'[A-Z][A-Za-z0-9]*[a-z]+[A-Za-z0-9]*$'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   920
    def add_entity_type(self, edef):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   921
        edef.name = edef.name.encode()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   922
        edef.name = bw_normalize_etype(edef.name)
7383
1719eab69551 [schema] fix imprecise error message
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7152
diff changeset
   923
        if not re.match(self.etype_name_re, edef.name):
6861
9d4e11d6e783 [schema] ease understanding of schema naming error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6827
diff changeset
   924
            raise BadSchemaDefinition(
9d4e11d6e783 [schema] ease understanding of schema naming error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6827
diff changeset
   925
                '%r is not a valid name for an entity type. It should start '
9d4e11d6e783 [schema] ease understanding of schema naming error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6827
diff changeset
   926
                'with an upper cased letter and be followed by at least a '
9d4e11d6e783 [schema] ease understanding of schema naming error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6827
diff changeset
   927
                'lower cased letter' % edef.name)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   928
        eschema = super(CubicWebSchema, self).add_entity_type(edef)
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3554
diff changeset
   929
        if not eschema.final:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   930
            # automatically add the eid relation to non final entity types
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   931
            rdef = ybo.RelationDefinition(eschema.type, 'eid', 'Int',
4755
13a5d3a7410e [schema] tweaks meta-relations and schema/workflow entities attributes permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4754
diff changeset
   932
                                          cardinality='11', uid=True,
13a5d3a7410e [schema] tweaks meta-relations and schema/workflow entities attributes permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4754
diff changeset
   933
                                          __permissions__=RO_ATTR_PERMS)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   934
            self.add_relation_def(rdef)
4755
13a5d3a7410e [schema] tweaks meta-relations and schema/workflow entities attributes permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4754
diff changeset
   935
            rdef = ybo.RelationDefinition(eschema.type, 'identity', eschema.type,
13a5d3a7410e [schema] tweaks meta-relations and schema/workflow entities attributes permissions
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4754
diff changeset
   936
                                          __permissions__=RO_REL_PERMS)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   937
            self.add_relation_def(rdef)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   938
        self._eid_index[eschema.eid] = eschema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   939
        return eschema
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   940
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   941
    def add_relation_type(self, rdef):
6861
9d4e11d6e783 [schema] ease understanding of schema naming error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6827
diff changeset
   942
        if not rdef.name.islower():
9d4e11d6e783 [schema] ease understanding of schema naming error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6827
diff changeset
   943
            raise BadSchemaDefinition(
9d4e11d6e783 [schema] ease understanding of schema naming error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6827
diff changeset
   944
                '%r is not a valid name for a relation type. It should be '
9d4e11d6e783 [schema] ease understanding of schema naming error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6827
diff changeset
   945
                'lower cased' % rdef.name)
9d4e11d6e783 [schema] ease understanding of schema naming error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6827
diff changeset
   946
        rdef.name = rdef.name.encode()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   947
        rschema = super(CubicWebSchema, self).add_relation_type(rdef)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   948
        self._eid_index[rschema.eid] = rschema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   949
        return rschema
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   950
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   951
    def add_relation_def(self, rdef):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   952
        """build a part of a relation schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   953
        (i.e. add a relation between two specific entity's types)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   954
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   955
        :type subject: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   956
        :param subject: entity's type that is subject of the relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   957
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   958
        :type rtype: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   959
        :param rtype: the relation's type (i.e. the name of the relation)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   960
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   961
        :type obj: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   962
        :param obj: entity's type that is object of the relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   963
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   964
        :rtype: RelationSchema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   965
        :param: the newly created or just completed relation schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   966
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   967
        rdef.name = rdef.name.lower()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   968
        rdef.subject = bw_normalize_etype(rdef.subject)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   969
        rdef.object = bw_normalize_etype(rdef.object)
6191
ece6996e6ac8 [schema deserial] fix loading of schema when mapping an entity type to an existing one
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6109
diff changeset
   970
        rdefs = super(CubicWebSchema, self).add_relation_def(rdef)
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   971
        if rdefs:
1034
0356bbfb2f26 fix to pass arguments to base class
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
   972
            try:
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   973
                self._eid_index[rdef.eid] = rdefs
1034
0356bbfb2f26 fix to pass arguments to base class
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
   974
            except AttributeError:
0356bbfb2f26 fix to pass arguments to base class
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
   975
                pass # not a serialized schema
4003
b9436fe77c9e fix bad merge
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 3998
diff changeset
   976
        return rdefs
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   977
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   978
    def del_relation_type(self, rtype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   979
        rschema = self.rschema(rtype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   980
        self._eid_index.pop(rschema.eid, None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   981
        super(CubicWebSchema, self).del_relation_type(rtype)
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   982
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   983
    def del_relation_def(self, subjtype, rtype, objtype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   984
        for k, v in self._eid_index.items():
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   985
            if not isinstance(v, RelationDefinitionSchema):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   986
                continue
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3827
diff changeset
   987
            if v.subject == subjtype and v.rtype == rtype and v.object == objtype:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   988
                del self._eid_index[k]
2718
3a56b87bb5d6 [schema] break when found
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2716
diff changeset
   989
                break
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   990
        super(CubicWebSchema, self).del_relation_def(subjtype, rtype, objtype)
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   991
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   992
    def del_entity_type(self, etype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   993
        eschema = self.eschema(etype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   994
        self._eid_index.pop(eschema.eid, None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   995
        # deal with has_text first, else its automatic deletion (see above)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   996
        # may trigger an error in ancestor's del_entity_type method
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   997
        if 'has_text' in eschema.subject_relations():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   998
            self.del_relation_def(etype, 'has_text', 'String')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   999
        super(CubicWebSchema, self).del_entity_type(etype)
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1000
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1001
    def schema_by_eid(self, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1002
        return self._eid_index[eid]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1003
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1004
7152
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1005
# additional cw specific constraints ###########################################
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1006
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1007
class BaseRQLConstraint(RRQLExpression, BaseConstraint):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1008
    """base class for rql constraints"""
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1009
    distinct_query = None
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1010
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1011
    def serialize(self):
9253
77e31ede9b04 [schema] drop very old bw compat (pre 3.5.10)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9246
diff changeset
  1012
        # start with a semicolon for bw compat, see below
7152
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1013
        return ';' + ','.join(sorted(self.mainvars)) + ';' + self.expression
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1014
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1015
    @classmethod
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1016
    def deserialize(cls, value):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1017
        _, mainvars, expression = value.split(';', 2)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1018
        return cls(expression, mainvars)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1019
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1020
    def check(self, entity, rtype, value):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1021
        """return true if the value satisfy the constraint, else false"""
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1022
        # implemented as a hook in the repository
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1023
        return 1
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1024
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1025
    def __str__(self):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1026
        if self.distinct_query:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1027
            selop = 'Any'
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1028
        else:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1029
            selop = 'DISTINCT Any'
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1030
        return '%s(%s %s WHERE %s)' % (self.__class__.__name__, selop,
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1031
                                       ','.join(sorted(self.mainvars)),
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1032
                                       self.expression)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1033
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1034
    def __repr__(self):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1035
        return '<%s @%#x>' % (self.__str__(), id(self))
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1036
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1037
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1038
class RQLVocabularyConstraint(BaseRQLConstraint):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1039
    """the rql vocabulary constraint:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1040
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1041
    limit the proposed values to a set of entities returned by a rql query,
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1042
    but this is not enforced at the repository level
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1043
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1044
     `expression` is additional rql restriction that will be added to
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1045
     a predefined query, where the S and O variables respectivly represent
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1046
     the subject and the object of the relation
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1047
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1048
     `mainvars` is a set of variables that should be used as selection variable
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1049
     (eg `'Any %s WHERE ...' % mainvars`). If not specified, an attempt will be
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1050
     done to guess it according to variable used in the expression.
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1051
    """
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1052
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1053
    def repo_check(self, session, eidfrom, rtype, eidto):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1054
        """raise ValidationError if the relation doesn't satisfy the constraint
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1055
        """
7990
a673d1d9a738 [diet] drop pre 3.6 API compatibility (but attempt to keep data cmopatibility). Closes #2017916
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7973
diff changeset
  1056
        pass # this is a vocabulary constraint, not enforced
7152
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1057
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1058
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1059
class RepoEnforcedRQLConstraintMixIn(object):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1060
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1061
    def __init__(self, expression, mainvars=None, msg=None):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1062
        super(RepoEnforcedRQLConstraintMixIn, self).__init__(expression, mainvars)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1063
        self.msg = msg
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1064
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1065
    def serialize(self):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1066
        # start with a semicolon for bw compat, see below
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1067
        return ';%s;%s\n%s' % (','.join(sorted(self.mainvars)), self.expression,
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1068
                               self.msg or '')
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1069
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1070
    def deserialize(cls, value):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1071
        value, msg = value.split('\n', 1)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1072
        _, mainvars, expression = value.split(';', 2)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1073
        return cls(expression, mainvars, msg)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1074
    deserialize = classmethod(deserialize)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1075
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1076
    def repo_check(self, session, eidfrom, rtype, eidto=None):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1077
        """raise ValidationError if the relation doesn't satisfy the constraint
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1078
        """
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1079
        if not self.match_condition(session, eidfrom, eidto):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1080
            # XXX at this point if both or neither of S and O are in mainvar we
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1081
            # dunno if the validation error `occurred` on eidfrom or eidto (from
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1082
            # user interface point of view)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1083
            #
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1084
            # possible enhancement: check entity being created, it's probably
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1085
            # the main eid unless this is a composite relation
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1086
            if eidto is None or 'S' in self.mainvars or not 'O' in self.mainvars:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1087
                maineid = eidfrom
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1088
                qname = role_name(rtype, 'subject')
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1089
            else:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1090
                maineid = eidto
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1091
                qname = role_name(rtype, 'object')
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1092
            if self.msg:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1093
                msg = session._(self.msg)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1094
            else:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1095
                msg = '%(constraint)s %(expression)s failed' % {
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1096
                    'constraint':  session._(self.type()),
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1097
                    'expression': self.expression}
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1098
            raise ValidationError(maineid, {qname: msg})
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1099
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
  1100
    def exec_query(self, _cw, eidfrom, eidto):
7152
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1101
        if eidto is None:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1102
            # checking constraint for an attribute relation
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1103
            expression = 'S eid %(s)s, ' + self.expression
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1104
            args = {'s': eidfrom}
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1105
        else:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1106
            expression = 'S eid %(s)s, O eid %(o)s, ' + self.expression
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1107
            args = {'s': eidfrom, 'o': eidto}
7640
85ebdbbcb321 [schema] closes #1816439: RQLConstraint does not take variable U into account
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7603
diff changeset
  1108
        if 'U' in self.rqlst.defined_vars:
85ebdbbcb321 [schema] closes #1816439: RQLConstraint does not take variable U into account
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7603
diff changeset
  1109
            expression = 'U eid %(u)s, ' + expression
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
  1110
            args['u'] = _cw.user.eid
7152
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1111
        rql = 'Any %s WHERE %s' % (','.join(sorted(self.mainvars)), expression)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1112
        if self.distinct_query:
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1113
            rql = 'DISTINCT ' + rql
8540
fee98af8bb33 [schema] rename schema permissions function: session may also be a request, use _cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8258
diff changeset
  1114
        return _cw.execute(rql, args, build_descr=False)
7152
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1115
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1116
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1117
class RQLConstraint(RepoEnforcedRQLConstraintMixIn, RQLVocabularyConstraint):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1118
    """the rql constraint is similar to the RQLVocabularyConstraint but
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1119
    are also enforced at the repository level
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1120
    """
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1121
    distinct_query = False
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1122
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1123
    def match_condition(self, session, eidfrom, eidto):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1124
        return self.exec_query(session, eidfrom, eidto)
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1125
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1126
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1127
class RQLUniqueConstraint(RepoEnforcedRQLConstraintMixIn, BaseRQLConstraint):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1128
    """the unique rql constraint check that the result of the query isn't
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1129
    greater than one.
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1130
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1131
    You *must* specify `mainvars` when instantiating the constraint since there
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1132
    is no way to guess it correctly (e.g. if using S,O or U the constraint will
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1133
    always be satisfied because we've to use a DISTINCT query).
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1134
    """
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1135
    # XXX turns mainvars into a required argument in __init__
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1136
    distinct_query = True
9227
762a331db741 [schema] fix spurious warning when rqlexpr/constraint mainvars specify a non predefined variable. Closes #3098165
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9173
diff changeset
  1137
7152
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1138
    def match_condition(self, session, eidfrom, eidto):
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1139
        return len(self.exec_query(session, eidfrom, eidto)) <= 1
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1140
39c1ffc7d93f [schema, refactoring] use RQLExpression as base class for RQL constraint classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7103
diff changeset
  1141
629
59b6542f5729 provide a new WorkflowableEntityType base class (will be refactored later, maybe with schema interfaces)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 628
diff changeset
  1142
# workflow extensions #########################################################
2926
4484387ed012 when adding/removing cubes, we should add/remove entity types in correct order if one inherits from another
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1143
2460
ce1a7ffc6c90 fix a couple NameErrors
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2459
diff changeset
  1144
from yams.buildobjs import _add_relation as yams_add_relation
629
59b6542f5729 provide a new WorkflowableEntityType base class (will be refactored later, maybe with schema interfaces)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 628
diff changeset
  1145
59b6542f5729 provide a new WorkflowableEntityType base class (will be refactored later, maybe with schema interfaces)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 628
diff changeset
  1146
class workflowable_definition(ybo.metadefinition):
59b6542f5729 provide a new WorkflowableEntityType base class (will be refactored later, maybe with schema interfaces)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 628
diff changeset
  1147
    """extends default EntityType's metaclass to add workflow relations
5378
0f54a0e128ac [schema] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5372
diff changeset
  1148
    (i.e. in_state, wf_info_for and custom_workflow). This is the default
0f54a0e128ac [schema] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5372
diff changeset
  1149
    metaclass for WorkflowableEntityType.
629
59b6542f5729 provide a new WorkflowableEntityType base class (will be refactored later, maybe with schema interfaces)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 628
diff changeset
  1150
    """
59b6542f5729 provide a new WorkflowableEntityType base class (will be refactored later, maybe with schema interfaces)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 628
diff changeset
  1151
    def __new__(mcs, name, bases, classdict):
2920
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1152
        abstract = classdict.pop('__abstract__', False)
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1153
        cls = super(workflowable_definition, mcs).__new__(mcs, name, bases,
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1154
                                                          classdict)
629
59b6542f5729 provide a new WorkflowableEntityType base class (will be refactored later, maybe with schema interfaces)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 628
diff changeset
  1155
        if not abstract:
2920
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1156
            make_workflowable(cls)
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1157
        return cls
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1158
5379
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1159
class WorkflowableEntityType(ybo.EntityType):
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1160
    """Use this base class instead of :class:`EntityType` to have workflow
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1161
    relations (i.e. `in_state`, `wf_info_for` and `custom_workflow`) on your
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1162
    entity type.
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1163
    """
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1164
    __metaclass__ = workflowable_definition
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1165
    __abstract__ = True
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1166
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1167
2957
2daabf4c646e [schema] make_workflowable now take an option description for the in_state relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2931
diff changeset
  1168
def make_workflowable(cls, in_state_descr=None):
5378
0f54a0e128ac [schema] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5372
diff changeset
  1169
    """Adds workflow relations as :class:`WorkflowableEntityType`, but usable on
0f54a0e128ac [schema] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5372
diff changeset
  1170
    existing classes which are not using that base class.
0f54a0e128ac [schema] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5372
diff changeset
  1171
    """
2920
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1172
    existing_rels = set(rdef.name for rdef in cls.__relations__)
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1173
    # let relation types defined in cw.schemas.workflow carrying
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1174
    # cardinality, constraints and other relation definition properties
5379
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1175
    etype = getattr(cls, 'name', cls.__name__)
2920
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1176
    if 'custom_workflow' not in existing_rels:
5379
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1177
        rdef = ybo.RelationDefinition(etype, 'custom_workflow', 'Workflow')
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1178
        yams_add_relation(cls.__relations__, rdef)
2920
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1179
    if 'in_state' not in existing_rels:
5379
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1180
        rdef = ybo.RelationDefinition(etype, 'in_state', 'State',
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1181
                                      description=in_state_descr)
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1182
        yams_add_relation(cls.__relations__, rdef)
2920
64322aa83a1d start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2782
diff changeset
  1183
    if 'wf_info_for' not in existing_rels:
5379
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1184
        rdef = ybo.RelationDefinition('TrInfo', 'wf_info_for', etype)
c082dea0731b [schema] update for yams 0.29: BoundConstraint renamed to BoundaryConstraint; new constraint messages; ObjectRelation deprecated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5378
diff changeset
  1185
        yams_add_relation(cls.__relations__, rdef)
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1186
629
59b6542f5729 provide a new WorkflowableEntityType base class (will be refactored later, maybe with schema interfaces)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 628
diff changeset
  1187
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1188
# schema loading ##############################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1189
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1190
CONSTRAINTS['RQLConstraint'] = RQLConstraint
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1191
CONSTRAINTS['RQLUniqueConstraint'] = RQLUniqueConstraint
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1192
CONSTRAINTS['RQLVocabularyConstraint'] = RQLVocabularyConstraint
3980
b17cf4a2e09e this constraint is actually unusable in yams schema for cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3979
diff changeset
  1193
CONSTRAINTS.pop('MultipleStaticVocabularyConstraint', None) # don't want this in cw yams schema
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1194
PyFileReader.context.update(CONSTRAINTS)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1195
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1196
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1197
class BootstrapSchemaLoader(SchemaLoader):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1198
    """cubicweb specific schema loader, loading only schema necessary to read
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1199
    the persistent schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1200
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1201
    schemacls = CubicWebSchema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1202
1034
0356bbfb2f26 fix to pass arguments to base class
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
  1203
    def load(self, config, path=(), **kwargs):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1204
        """return a Schema instance from the schema definition read
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1205
        from <directory>
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1206
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1207
        return super(BootstrapSchemaLoader, self).load(
1034
0356bbfb2f26 fix to pass arguments to base class
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
  1208
            path, config.appid, register_base_types=False, **kwargs)
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1209
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1210
    def _load_definition_files(self, cubes=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1211
        # bootstraping, ignore cubes
2735
39c942241b48 no need for lib_directory
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2730
diff changeset
  1212
        filepath = join(cubicweb.CW_SOFTWARE_ROOT, 'schemas', 'bootstrap.py')
2142
098aa2075903 include_schema_files is useless
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
  1213
        self.info('loading %s', filepath)
9366
bcbc92223b35 set proper PACKAGE information for yams 0.39
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9283
diff changeset
  1214
        with tempattr(ybo, 'PACKAGE', 'cubicweb'): # though we don't care here
bcbc92223b35 set proper PACKAGE information for yams 0.39
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9283
diff changeset
  1215
            self.handle_file(filepath)
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1216
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1217
    def unhandled_file(self, filepath):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1218
        """called when a file without handler associated has been found"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1219
        self.warning('ignoring file %r', filepath)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1220
7083
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6861
diff changeset
  1221
    # these are overridden by set_log_methods below
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6861
diff changeset
  1222
    # only defining here to prevent pylint from complaining
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6861
diff changeset
  1223
    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1224
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1225
class CubicWebSchemaLoader(BootstrapSchemaLoader):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1226
    """cubicweb specific schema loader, automatically adding metadata to the
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2460
diff changeset
  1227
    instance's schema
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1228
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1229
1034
0356bbfb2f26 fix to pass arguments to base class
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
  1230
    def load(self, config, **kwargs):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1231
        """return a Schema instance from the schema definition read
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1232
        from <directory>
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1233
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1234
        self.info('loading %s schemas', ', '.join(config.cubes()))
2782
998f24dabd0d compute extrapath, necessary for proper schema module detection when CW_CUBES_PATH is set
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2742
diff changeset
  1235
        self.extrapath = {}
998f24dabd0d compute extrapath, necessary for proper schema module detection when CW_CUBES_PATH is set
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2742
diff changeset
  1236
        for cubesdir in config.cubes_search_path():
998f24dabd0d compute extrapath, necessary for proper schema module detection when CW_CUBES_PATH is set
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2742
diff changeset
  1237
            if cubesdir != config.CUBES_DIR:
998f24dabd0d compute extrapath, necessary for proper schema module detection when CW_CUBES_PATH is set
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2742
diff changeset
  1238
                self.extrapath[cubesdir] = 'cubes'
372
a8a975a88368 check apphome is not None
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
  1239
        if config.apphome:
2598
a66fe74bd9fc [R schema] dont give an iterator, it's a trap
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1240
            path = tuple(reversed([config.apphome] + config.cubes_path()))
372
a8a975a88368 check apphome is not None
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
  1241
        else:
2598
a66fe74bd9fc [R schema] dont give an iterator, it's a trap
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1242
            path = tuple(reversed(config.cubes_path()))
2526
40e41eb34a7d we've to call cleanup_sys_modules manually for proper schema modules cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
  1243
        try:
40e41eb34a7d we've to call cleanup_sys_modules manually for proper schema modules cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
  1244
            return super(CubicWebSchemaLoader, self).load(config, path=path, **kwargs)
40e41eb34a7d we've to call cleanup_sys_modules manually for proper schema modules cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
  1245
        finally:
40e41eb34a7d we've to call cleanup_sys_modules manually for proper schema modules cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
  1246
            # we've to cleanup modules imported from cubicweb.schemas as well
2735
39c942241b48 no need for lib_directory
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2730
diff changeset
  1247
            cleanup_sys_modules([join(cubicweb.CW_SOFTWARE_ROOT, 'schemas')])
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1248
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1249
    def _load_definition_files(self, cubes):
2741
148d0cea1fb5 [schema] oops
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2736
diff changeset
  1250
        for filepath in (join(cubicweb.CW_SOFTWARE_ROOT, 'schemas', 'bootstrap.py'),
148d0cea1fb5 [schema] oops
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2736
diff changeset
  1251
                         join(cubicweb.CW_SOFTWARE_ROOT, 'schemas', 'base.py'),
148d0cea1fb5 [schema] oops
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2736
diff changeset
  1252
                         join(cubicweb.CW_SOFTWARE_ROOT, 'schemas', 'workflow.py'),
148d0cea1fb5 [schema] oops
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2736
diff changeset
  1253
                         join(cubicweb.CW_SOFTWARE_ROOT, 'schemas', 'Bookmark.py')):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1254
            self.info('loading %s', filepath)
9366
bcbc92223b35 set proper PACKAGE information for yams 0.39
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9283
diff changeset
  1255
            with tempattr(ybo, 'PACKAGE', 'cubicweb'):
bcbc92223b35 set proper PACKAGE information for yams 0.39
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9283
diff changeset
  1256
                self.handle_file(filepath)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1257
        for cube in cubes:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1258
            for filepath in self.get_schema_files(cube):
9366
bcbc92223b35 set proper PACKAGE information for yams 0.39
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9283
diff changeset
  1259
                with tempattr(ybo, 'PACKAGE', basename(cube)):
bcbc92223b35 set proper PACKAGE information for yams 0.39
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 9283
diff changeset
  1260
                    self.handle_file(filepath)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1261
7083
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6861
diff changeset
  1262
    # these are overridden by set_log_methods below
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6861
diff changeset
  1263
    # only defining here to prevent pylint from complaining
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 6861
diff changeset
  1264
    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1265
2459
d088d0ff48a1 move RichString and co to yams, keeping only a small monkeypatch for cw-page-template here
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2456
diff changeset
  1266
set_log_methods(CubicWebSchemaLoader, getLogger('cubicweb.schemaloader'))
d088d0ff48a1 move RichString and co to yams, keeping only a small monkeypatch for cw-page-template here
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2456
diff changeset
  1267
set_log_methods(BootstrapSchemaLoader, getLogger('cubicweb.bootstrapschemaloader'))
d088d0ff48a1 move RichString and co to yams, keeping only a small monkeypatch for cw-page-template here
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2456
diff changeset
  1268
set_log_methods(RQLExpression, getLogger('cubicweb.schema'))
d088d0ff48a1 move RichString and co to yams, keeping only a small monkeypatch for cw-page-template here
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2456
diff changeset
  1269
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1270
# _() is just there to add messages to the catalog, don't care about actual
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1271
# translation
7797
a71618a75b53 backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7782
diff changeset
  1272
MAY_USE_TEMPLATE_FORMAT = set(('managers',))
2459
d088d0ff48a1 move RichString and co to yams, keeping only a small monkeypatch for cw-page-template here
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2456
diff changeset
  1273
NEED_PERM_FORMATS = [_('text/cubicweb-page-template')]
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1274
2531
531ea4e7013e [cleanup] nicer imports
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2526
diff changeset
  1275
@monkeypatch(FormatConstraint)
3347
428f95118556 fix vocab param to avoid deprecation warning
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3287
diff changeset
  1276
def vocabulary(self, entity=None, form=None):
3401
f893f4f199fc use ._cw instead of req on appobject classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3369
diff changeset
  1277
    cw = None
3347
428f95118556 fix vocab param to avoid deprecation warning
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3287
diff changeset
  1278
    if form is None and entity is not None:
3401
f893f4f199fc use ._cw instead of req on appobject classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3369
diff changeset
  1279
        cw = entity._cw
3347
428f95118556 fix vocab param to avoid deprecation warning
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3287
diff changeset
  1280
    elif form is not None:
3401
f893f4f199fc use ._cw instead of req on appobject classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3369
diff changeset
  1281
        cw = form._cw
4757
5d937aeaa6fb do not check for use template permission when session is super session or integrity hooks are deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4755
diff changeset
  1282
    if cw is not None:
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
  1283
        if hasattr(cw, 'write_security'): # test it's a session and not a request
4757
5d937aeaa6fb do not check for use template permission when session is super session or integrity hooks are deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4755
diff changeset
  1284
            # cw is a server session
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4834
diff changeset
  1285
            hasperm = not cw.write_security or \
4843
5f7363416765 fix hooks control method name + other litle cleanups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4835
diff changeset
  1286
                      not cw.is_hook_category_activated('integrity') or \
7797
a71618a75b53 backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7782
diff changeset
  1287
                      cw.user.matching_groups(MAY_USE_TEMPLATE_FORMAT)
4757
5d937aeaa6fb do not check for use template permission when session is super session or integrity hooks are deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4755
diff changeset
  1288
        else:
7797
a71618a75b53 backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7782
diff changeset
  1289
            hasperm = cw.user.matching_groups(MAY_USE_TEMPLATE_FORMAT)
4757
5d937aeaa6fb do not check for use template permission when session is super session or integrity hooks are deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4755
diff changeset
  1290
        if hasperm:
5d937aeaa6fb do not check for use template permission when session is super session or integrity hooks are deactivated
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4755
diff changeset
  1291
            return self.regular_formats + tuple(NEED_PERM_FORMATS)
2459
d088d0ff48a1 move RichString and co to yams, keeping only a small monkeypatch for cw-page-template here
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2456
diff changeset
  1292
    return self.regular_formats
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1293
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1294
# XXX monkey patch PyFileReader.import_erschema until bw_normalize_etype is
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1295
# necessary
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1296
orig_import_erschema = PyFileReader.import_erschema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1297
def bw_import_erschema(self, ertype, schemamod=None, instantiate=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1298
    return orig_import_erschema(self, bw_normalize_etype(ertype), schemamod, instantiate)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1299
PyFileReader.import_erschema = bw_import_erschema
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1300
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1301
# XXX itou for some Statement methods
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1302
from rql import stmts
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1303
orig_get_etype = stmts.ScopeNode.get_etype
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1304
def bw_get_etype(self, name):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1305
    return orig_get_etype(self, bw_normalize_etype(name))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1306
stmts.ScopeNode.get_etype = bw_get_etype
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1307
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1308
orig_add_main_variable_delete = stmts.Delete.add_main_variable
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1309
def bw_add_main_variable_delete(self, etype, vref):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1310
    return orig_add_main_variable_delete(self, bw_normalize_etype(etype), vref)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1311
stmts.Delete.add_main_variable = bw_add_main_variable_delete
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1312
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1313
orig_add_main_variable_insert = stmts.Insert.add_main_variable
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1314
def bw_add_main_variable_insert(self, etype, vref):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1315
    return orig_add_main_variable_insert(self, bw_normalize_etype(etype), vref)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1316
stmts.Insert.add_main_variable = bw_add_main_variable_insert
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1317
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1318
orig_set_statement_type = stmts.Select.set_statement_type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1319
def bw_set_statement_type(self, etype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1320
    return orig_set_statement_type(self, bw_normalize_etype(etype))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1321
stmts.Select.set_statement_type = bw_set_statement_type
2736
c5048502409f restore backward compat, still imported a lot
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2735
diff changeset
  1322
c5048502409f restore backward compat, still imported a lot
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2735
diff changeset
  1323
# XXX deprecated
3978
2c95e3033f64 finish yesterday work on rql constraints:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3968
diff changeset
  1324
4717
535705688f4f proper deprecation warning when import class that should be imported from yams
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4702
diff changeset
  1325
from yams.constraints import StaticVocabularyConstraint
535705688f4f proper deprecation warning when import class that should be imported from yams
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4702
diff changeset
  1326
8125
7070250bf50d [schema] React to yams improvement of metadata attribute handling.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8027
diff changeset
  1327
RichString = moved('yams.buildobjs', 'RichString')
4717
535705688f4f proper deprecation warning when import class that should be imported from yams
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4702
diff changeset
  1328
535705688f4f proper deprecation warning when import class that should be imported from yams
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4702
diff changeset
  1329
StaticVocabularyConstraint = class_moved(StaticVocabularyConstraint)
535705688f4f proper deprecation warning when import class that should be imported from yams
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4702
diff changeset
  1330
FormatConstraint = class_moved(FormatConstraint)
3978
2c95e3033f64 finish yesterday work on rql constraints:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3968
diff changeset
  1331
2c95e3033f64 finish yesterday work on rql constraints:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3968
diff changeset
  1332
PyFileReader.context['ERQLExpression'] = yobsolete(ERQLExpression)
2c95e3033f64 finish yesterday work on rql constraints:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3968
diff changeset
  1333
PyFileReader.context['RRQLExpression'] = yobsolete(RRQLExpression)
2c95e3033f64 finish yesterday work on rql constraints:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3968
diff changeset
  1334
PyFileReader.context['WorkflowableEntityType'] = WorkflowableEntityType