dbapi.py
author Pierre-Yves David <pierre-yves.david@logilab.fr>
Thu, 17 Jan 2013 18:30:08 +0100
changeset 8655 ab57000bff7b
parent 8596 bd4f5052a532
child 8669 62213a34726e
permissions -rw-r--r--
merge with stable
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# copyright 2003-2012 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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"""DB-API 2.0 compliant module
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Take a look at http://www.python.org/peps/pep-0249.html
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(most parts of this document are reported here in docstrings)
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"""
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__docformat__ = "restructuredtext en"
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from threading import currentThread
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from logging import getLogger
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from time import time, clock
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from itertools import count
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from warnings import warn
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from os.path import join
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from uuid import uuid4
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from logilab.common.logging_ext import set_log_methods
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from logilab.common.decorators import monkeypatch
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from logilab.common.deprecation import deprecated
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from cubicweb import ETYPE_NAME_MAP, ConnectionError, AuthenticationError,\
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     cwvreg, cwconfig
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from cubicweb.req import RequestSessionBase
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_MARKER = object()
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def _fake_property_value(self, name):
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    try:
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        return super(DBAPIRequest, self).property_value(name)
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    except KeyError:
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        return ''
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def fake(*args, **kwargs):
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    return None
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def multiple_connections_fix():
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    """some monkey patching necessary when an application has to deal with
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    several connections to different repositories. It tries to hide buggy class
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    attributes since classes are not designed to be shared among multiple
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    registries.
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    """
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    defaultcls = cwvreg.CWRegistryStore.REGISTRY_FACTORY[None]
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    etypescls = cwvreg.CWRegistryStore.REGISTRY_FACTORY['etypes']
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    orig_etype_class = etypescls.orig_etype_class = etypescls.etype_class
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    @monkeypatch(defaultcls)
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    def etype_class(self, etype):
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        """return an entity class for the given entity type.
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        Try to find out a specific class for this kind of entity or
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        default to a dump of the class registered for 'Any'
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        """
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        usercls = orig_etype_class(self, etype)
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        if etype == 'Any':
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            return usercls
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        usercls.e_schema = self.schema.eschema(etype)
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        return usercls
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def multiple_connections_unfix():
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    etypescls = cwvreg.CWRegistryStore.REGISTRY_FACTORY['etypes']
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    etypescls.etype_class = etypescls.orig_etype_class
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class ConnectionProperties(object):
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    def __init__(self, cnxtype=None, close=True, log=False):
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        self.cnxtype = cnxtype or 'pyro'
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        self.log_queries = log
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        self.close_on_del = close
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def get_repository(method, database=None, config=None, vreg=None):
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    """get a proxy object to the CubicWeb repository, using a specific RPC method.
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    Only 'in-memory' and 'pyro' are supported for now. Either vreg or config
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    argument should be given
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    """
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    assert method in ('pyro', 'inmemory', 'zmq')
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    assert vreg or config
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    if vreg and not config:
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        config = vreg.config
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    if method == 'inmemory':
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        # get local access to the repository
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        from cubicweb.server.repository import Repository
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   102
        from cubicweb.server.utils import TasksManager
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        return Repository(config, TasksManager(), vreg=vreg)
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   104
    elif method == 'zmq':
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   105
        from cubicweb.zmqclient import ZMQRepositoryClient
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   106
        return ZMQRepositoryClient(database)
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   107
    else: # method == 'pyro'
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        # resolve the Pyro object
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   109
        from logilab.common.pyro_ext import ns_get_proxy, get_proxy
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        pyroid = database or config['pyro-instance-id'] or config.appid
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        try:
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   112
            if config['pyro-ns-host'] == 'NO_PYRONS':
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   113
                return get_proxy(pyroid)
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   114
            else:
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   115
                return ns_get_proxy(pyroid, defaultnsgroup=config['pyro-ns-group'],
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   116
                                    nshost=config['pyro-ns-host'])
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   117
        except Exception, ex:
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   118
            raise ConnectionError(str(ex))
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   119
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def repo_connect(repo, login, **kwargs):
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    """Constructor to create a new connection to the CubicWeb repository.
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    Returns a Connection instance.
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    """
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   125
    if not 'cnxprops' in kwargs:
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   126
        kwargs['cnxprops'] = ConnectionProperties('inmemory')
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   127
    cnxid = repo.connect(unicode(login), **kwargs)
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   128
    cnx = Connection(repo, cnxid, kwargs['cnxprops'])
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    if kwargs['cnxprops'].cnxtype == 'inmemory':
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        cnx.vreg = repo.vreg
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    return cnx
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   133
def connect(database=None, login=None, host=None, group=None,
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            cnxprops=None, setvreg=True, mulcnx=True, initlog=True, **kwargs):
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    """Constructor for creating a connection to the CubicWeb repository.
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    Returns a :class:`Connection` object.
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   138
    Typical usage::
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      cnx = connect('myinstance', login='me', password='toto')
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   141
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    Arguments:
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    :database:
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      the instance's pyro identifier.
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   146
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    :login:
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      the user login to use to authenticate.
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   149
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    :host:
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      - pyro: nameserver host. Will be detected using broadcast query if unspecified
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      - zmq: repository host socket address
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   153
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    :group:
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      the instance's pyro nameserver group. You don't have to specify it unless
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   156
      tweaked in instance's configuration.
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   158
    :cnxprops:
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   159
      an optional :class:`ConnectionProperties` instance, allowing to specify
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   160
      the connection method (eg in memory or pyro). A Pyro connection will be
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   161
      established if you don't specify that argument.
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   162
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   163
    :setvreg:
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      flag telling if a registry should be initialized for the connection.
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      Don't change this unless you know what you're doing.
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   166
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    :mulcnx:
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   168
      Will disappear at some point. Try to deal with connections to differents
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      instances in the same process unless specified otherwise by setting this
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      flag to False. Don't change this unless you know what you're doing.
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   171
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    :initlog:
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   173
      flag telling if logging should be initialized. You usually don't want
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   174
      logging initialization when establishing the connection from a process
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   175
      where it's already initialized.
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   176
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    :kwargs:
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   178
      there goes authentication tokens. You usually have to specify a password
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      for the given user, using a named 'password' argument.
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    """
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    cnxprops = cnxprops or ConnectionProperties()
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    method = cnxprops.cnxtype
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   183
    if method == 'pyro':
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   184
        config = cwconfig.CubicWebNoAppConfiguration()
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        if host:
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            config.global_set_option('pyro-ns-host', host)
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        if group:
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            config.global_set_option('pyro-ns-group', group)
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   189
    elif method == 'zmq':
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   190
        config = cwconfig.CubicWebNoAppConfiguration()
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   191
    else:
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        assert database
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        config = cwconfig.instance_configuration(database)
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    repo = get_repository(method, database, config=config)
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    if method == 'inmemory':
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        vreg = repo.vreg
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    elif setvreg:
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        if mulcnx:
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            multiple_connections_fix()
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        vreg = cwvreg.CWRegistryStore(config, initlog=initlog)
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        schema = repo.get_schema()
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        for oldetype, newetype in ETYPE_NAME_MAP.items():
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            if oldetype in schema:
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                print 'aliasing', newetype, 'to', oldetype
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                schema._entities[newetype] = schema._entities[oldetype]
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        vreg.set_schema(schema)
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    else:
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        vreg = None
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    cnx = repo_connect(repo, login, cnxprops=cnxprops, **kwargs)
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    cnx.vreg = vreg
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    return cnx
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   213
def in_memory_repo(config):
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    """Return and in_memory Repository object from a config (or vreg)"""
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    if isinstance(config, cwvreg.CWRegistryStore):
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        vreg = config
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        config = None
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    else:
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        vreg = None
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    # get local access to the repository
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    return get_repository('inmemory', config=config, vreg=vreg)
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def in_memory_cnx(repo, login, **kwargs):
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    """Establish a In memory connection to a <repo> for the user with <login>
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    additionel credential might be required"""
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    cnxprops = ConnectionProperties('inmemory')
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    return repo_connect(repo, login, cnxprops=cnxprops, **kwargs)
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def in_memory_repo_cnx(config, login, **kwargs):
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    """useful method for testing and scripting to get a dbapi.Connection
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    object connected to an in-memory repository instance
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    """
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    # connection to the CubicWeb repository
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    repo = in_memory_repo(config)
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    return repo, in_memory_cnx(repo, login, **kwargs)
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def anonymous_session(vreg):
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    """return a new anonymous session
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    raises an AuthenticationError if anonymous usage is not allowed
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    """
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    anoninfo = vreg.config.anonymous_user()
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    if anoninfo is None: # no anonymous user
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        raise AuthenticationError('anonymous access is not authorized')
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    anon_login, anon_password = anoninfo
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    cnxprops = ConnectionProperties(vreg.config.repo_method)
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    # use vreg's repository cache
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    repo = vreg.config.repository(vreg)
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    anon_cnx = repo_connect(repo, anon_login,
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                            cnxprops=cnxprops, password=anon_password)
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    anon_cnx.vreg = vreg
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    return DBAPISession(anon_cnx, anon_login)
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class _NeedAuthAccessMock(object):
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    def __getattribute__(self, attr):
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        raise AuthenticationError()
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    def __nonzero__(self):
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        return False
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class DBAPISession(object):
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    def __init__(self, cnx, login=None):
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        self.cnx = cnx
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        self.data = {}
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        self.login = login
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        self.mtime = time()
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        # dbapi session identifier is the same as the first connection
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        # identifier, but may later differ in case of auto-reconnection as done
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        # by the web authentication manager (in cw.web.views.authentication)
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        if cnx is not None:
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            self.sessionid = cnx.sessionid
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        else:
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            self.sessionid = uuid4().hex
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    @property
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    def anonymous_session(self):
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        return not self.cnx or self.cnx.anonymous_connection
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    def __repr__(self):
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        return '<DBAPISession %r>' % self.sessionid
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class DBAPIRequest(RequestSessionBase):
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    #: Request language identifier eg: 'en'
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    lang = None
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    def __init__(self, vreg, session=None):
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        super(DBAPIRequest, self).__init__(vreg)
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        #: 'language' => translation_function() mapping
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        try:
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            # no vreg or config which doesn't handle translations
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            self.translations = vreg.config.translations
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        except AttributeError:
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            self.translations = {}
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        #: cache entities built during the request
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        self._eid_cache = {}
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        if session is not None:
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            self.set_session(session)
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        else:
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            # these args are initialized after a connection is
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            # established
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            self.session = None
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            self.cnx = self.user = _NeedAuthAccessMock()
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        self.set_default_language(vreg)
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    def from_controller(self):
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        return 'view'
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diff changeset
   310
    def get_option_value(self, option, foreid=None):
3f60f416dddb [dbapi] provide get_option_value over DBAPIRequest (closes #2515522)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8572
diff changeset
   311
        return self.cnx.get_option_value(option, foreid)
3f60f416dddb [dbapi] provide get_option_value over DBAPIRequest (closes #2515522)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8572
diff changeset
   312
5223
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   313
    def set_session(self, session, user=None):
0
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diff changeset
   314
        """method called by the session handler when the user is authenticated
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parents:
diff changeset
   315
        or an anonymous connection is open
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diff changeset
   316
        """
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6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   317
        self.session = session
5244
5467674ad101 [web] put a fake object that raise Unauthorized on any attribute access as req.cnx and req._user, so we are properly asked to authenticated on any view that tries to do something with one of those attributes (instead of doing defensive programming everywhere we're doing that)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5223
diff changeset
   318
        if session.cnx:
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   319
            self.cnx = session.cnx
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   320
            self.execute = session.cnx.cursor(self).execute
5271
94e16453a640 [dbapi] fix user handling on dbapi request. Avoid getting None as _user and remove the need for a property.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5251
diff changeset
   321
            if user is None:
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   322
                user = self.cnx.user(self)
5271
94e16453a640 [dbapi] fix user handling on dbapi request. Avoid getting None as _user and remove the need for a property.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5251
diff changeset
   323
        if user is not None:
94e16453a640 [dbapi] fix user handling on dbapi request. Avoid getting None as _user and remove the need for a property.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5251
diff changeset
   324
            self.user = user
94e16453a640 [dbapi] fix user handling on dbapi request. Avoid getting None as _user and remove the need for a property.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5251
diff changeset
   325
            self.set_entity_cache(user)
1524
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   326
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   327
    def execute(self, *args, **kwargs): # pylint: disable=E0202
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   328
        """overriden when session is set. By default raise authentication error
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   329
        so authentication is requested.
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   330
        """
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   331
        raise AuthenticationError()
1524
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   332
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   333
    def set_default_language(self, vreg):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   334
        try:
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   335
            lang = vreg.property_value('ui.language')
7815
2a164a9cf81c [exceptions] stop catching any exception in various places (closes #1942716)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7665
diff changeset
   336
        except Exception: # property may not be registered
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   337
            lang = 'en'
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   338
        try:
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   339
            self.set_language(lang)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   340
        except KeyError:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   341
            # this occurs usually during test execution
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   342
            self._ = self.__ = unicode
7960
981d2a6d95be [test] map pgettext to unicode as _
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7909
diff changeset
   343
            self.pgettext = lambda x, y: unicode(y)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   344
8367
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   345
    # server-side service call #################################################
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   346
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   347
    def call_service(self, regid, async=False, **kwargs):
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   348
        return self.cnx.call_service(regid, async, **kwargs)
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   349
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   350
    # entities cache management ###############################################
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   351
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   352
    def entity_cache(self, eid):
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parents:
diff changeset
   353
        return self._eid_cache[eid]
1524
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   354
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   355
    def set_entity_cache(self, entity):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   356
        self._eid_cache[entity.eid] = entity
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   357
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parents:
diff changeset
   358
    def cached_entities(self):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   359
        return self._eid_cache.values()
1524
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   360
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   361
    def drop_entity_cache(self, eid=None):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   362
        if eid is None:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   363
            self._eid_cache = {}
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
        else:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   365
            del self._eid_cache[eid]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   367
    # low level session data management #######################################
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   368
6013
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   369
    def get_shared_data(self, key, default=None, pop=False, txdata=False):
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   370
        """see :meth:`Connection.get_shared_data`"""
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   371
        return self.cnx.get_shared_data(key, default, pop, txdata)
0
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parents:
diff changeset
   372
6013
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   373
    def set_shared_data(self, key, value, txdata=False, querydata=None):
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   374
        """see :meth:`Connection.set_shared_data`"""
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   375
        if querydata is not None:
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   376
            txdata = querydata
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   377
            warn('[3.10] querydata argument has been renamed to txdata',
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   378
                 DeprecationWarning, stacklevel=2)
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   379
        return self.cnx.set_shared_data(key, value, txdata)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   380
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   381
    # server session compat layer #############################################
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   382
7543
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   383
    def describe(self, eid, asdict=False):
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   384
        """return a tuple (type, sourceuri, extid) for the entity with id <eid>"""
7543
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   385
        return self.cnx.describe(eid, asdict)
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   386
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   387
    def source_defs(self):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   388
        """return the definition of sources used by the repository."""
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   389
        return self.cnx.source_defs()
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   390
3110
757d36162235 enhance notification mecanism: recipients may return user entities, which will be used to create a fake session so one can check security during notification if necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2665
diff changeset
   391
    def hijack_user(self, user):
757d36162235 enhance notification mecanism: recipients may return user entities, which will be used to create a fake session so one can check security during notification if necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2665
diff changeset
   392
        """return a fake request/session using specified user"""
757d36162235 enhance notification mecanism: recipients may return user entities, which will be used to create a fake session so one can check security during notification if necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2665
diff changeset
   393
        req = DBAPIRequest(self.vreg)
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   394
        req.set_session(self.session, user)
3110
757d36162235 enhance notification mecanism: recipients may return user entities, which will be used to create a fake session so one can check security during notification if necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2665
diff changeset
   395
        return req
757d36162235 enhance notification mecanism: recipients may return user entities, which will be used to create a fake session so one can check security during notification if necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2665
diff changeset
   396
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   397
    @deprecated('[3.8] use direct access to req.session.data dictionary')
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   398
    def session_data(self):
8238
087bb529035c [spelling] fix dictionnary -> dictionary typo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7962
diff changeset
   399
        """return a dictionary containing session data"""
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   400
        return self.session.data
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   401
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   402
    @deprecated('[3.8] use direct access to req.session.data dictionary')
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   403
    def get_session_data(self, key, default=None, pop=False):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   404
        if pop:
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   405
            return self.session.data.pop(key, default)
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   406
        return self.session.data.get(key, default)
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   407
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   408
    @deprecated('[3.8] use direct access to req.session.data dictionary')
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   409
    def set_session_data(self, key, value):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   410
        self.session.data[key] = value
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   411
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   412
    @deprecated('[3.8] use direct access to req.session.data dictionary')
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   413
    def del_session_data(self, key):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   414
        self.session.data.pop(key, None)
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   415
7083
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7056
diff changeset
   416
    # these are overridden by set_log_methods below
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7056
diff changeset
   417
    # only defining here to prevent pylint from complaining
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7056
diff changeset
   418
    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   419
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   420
set_log_methods(DBAPIRequest, getLogger('cubicweb.dbapi'))
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   421
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   422
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   423
# exceptions ##################################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   425
class ProgrammingError(Exception): #DatabaseError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
    """Exception raised for errors that are related to the database's operation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   427
    and not necessarily under the control of the programmer, e.g. an unexpected
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   428
    disconnect occurs, the data source name is not found, a transaction could
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   429
    not be processed, a memory allocation error occurred during processing,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   430
    etc.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   431
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   432
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   433
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   434
# cursor / connection objects ##################################################
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   435
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   436
class Cursor(object):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   437
    """These objects represent a database cursor, which is used to manage the
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   438
    context of a fetch operation. Cursors created from the same connection are
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   439
    not isolated, i.e., any changes done to the database by a cursor are
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   440
    immediately visible by the other cursors. Cursors created from different
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   441
    connections are isolated.
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   442
    """
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   443
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   444
    def __init__(self, connection, repo, req=None):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   445
        """This read-only attribute return a reference to the Connection
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   446
        object on which the cursor was created.
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   447
        """
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   448
        self.connection = connection
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   449
        """optionnal issuing request instance"""
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   450
        self.req = req
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   451
        self._repo = repo
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   452
        self._sessid = connection.sessionid
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   453
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   454
    def close(self):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   455
        """no effect"""
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   456
        pass
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   457
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   458
    def _txid(self):
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   459
        return self.connection._txid(self)
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   460
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   461
    def execute(self, rql, args=None, eid_key=None, build_descr=True):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   462
        """execute a rql query, return resulting rows and their description in
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   463
        a :class:`~cubicweb.rset.ResultSet` object
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   464
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   465
        * `rql` should be an Unicode string or a plain ASCII string, containing
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   466
          the rql query
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   467
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   468
        * `args` the optional args dictionary associated to the query, with key
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   469
          matching named substitution in `rql`
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   470
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   471
        * `build_descr` is a boolean flag indicating if the description should
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   472
          be built on select queries (if false, the description will be en empty
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   473
          list)
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   474
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   475
        on INSERT queries, there will be one row for each inserted entity,
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   476
        containing its eid
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   477
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   478
        on SET queries, XXX describe
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   479
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   480
        DELETE queries returns no result.
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   481
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   482
        .. Note::
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   483
          to maximize the rql parsing/analyzing cache performance, you should
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   484
          always use substitute arguments in queries, i.e. avoid query such as::
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   485
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   486
            execute('Any X WHERE X eid 123')
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   487
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   488
          use::
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   489
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   490
            execute('Any X WHERE X eid %(x)s', {'x': 123})
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   491
        """
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   492
        if eid_key is not None:
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   493
            warn('[3.8] eid_key is deprecated, you can safely remove this argument',
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   494
                 DeprecationWarning, stacklevel=2)
5364
e0feefb87de5 [dbapi] some compat with distant < 3.8 repo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5359
diff changeset
   495
        # XXX use named argument for build_descr in case repo is < 3.8
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   496
        rset = self._repo.execute(self._sessid, rql, args,
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   497
                                  build_descr=build_descr, **self._txid())
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   498
        rset.req = self.req
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   499
        return rset
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   501
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   502
class LogCursor(Cursor):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   503
    """override the standard cursor to log executed queries"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   505
    def execute(self, operation, parameters=None, eid_key=None, build_descr=True):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   506
        """override the standard cursor to log executed queries"""
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   507
        if eid_key is not None:
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   508
            warn('[3.8] eid_key is deprecated, you can safely remove this argument',
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   509
                 DeprecationWarning, stacklevel=2)
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   510
        tstart, cstart = time(), clock()
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   511
        rset = Cursor.execute(self, operation, parameters, build_descr=build_descr)
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   512
        self.connection.executed_queries.append((operation, parameters,
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   513
                                                 time() - tstart, clock() - cstart))
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   514
        return rset
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   516
def check_not_closed(func):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   517
    def decorator(self, *args, **kwargs):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   518
        if self._closed is not None:
7665
0cd299c16f12 [session] add session id to closed connection errors
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7650
diff changeset
   519
            raise ProgrammingError('Closed connection %s' % self.sessionid)
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   520
        return func(self, *args, **kwargs)
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   521
    return decorator
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
class Connection(object):
3258
6536ee4f37f7 update the documentation
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 3110
diff changeset
   524
    """DB-API 2.0 compatible Connection object for CubicWeb
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
    # make exceptions available through the connection object
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   527
    ProgrammingError = ProgrammingError
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   528
    # attributes that may be overriden per connection instance
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   529
    anonymous_connection = False
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   530
    cursor_class = Cursor
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   531
    vreg = None
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   532
    _closed = None
0
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
    def __init__(self, repo, cnxid, cnxprops=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   535
        self._repo = repo
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   536
        self.sessionid = cnxid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   537
        self._close_on_del = getattr(cnxprops, 'close_on_del', True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   538
        self._cnxtype = getattr(cnxprops, 'cnxtype', 'pyro')
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   539
        self._web_request = False
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
        if cnxprops and cnxprops.log_queries:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
            self.executed_queries = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
            self.cursor_class = LogCursor
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   543
        if self._cnxtype == 'pyro':
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   544
            # check client/server compat
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   545
            if self._repo.get_versions()['cubicweb'] < (3, 8, 6):
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   546
                self._txid = lambda cursor=None: {}
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   548
    def __repr__(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   549
        if self.anonymous_connection:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   550
            return '<Connection %s (anonymous)>' % self.sessionid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   551
        return '<Connection %s>' % self.sessionid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   552
5100
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   553
    def __enter__(self):
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   554
        return self.cursor()
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   555
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   556
    def __exit__(self, exc_type, exc_val, exc_tb):
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   557
        if exc_type is None:
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   558
            self.commit()
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   559
        else:
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   560
            self.rollback()
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   561
            return False #propagate the exception
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   562
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   563
    def __del__(self):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   564
        """close the remote connection if necessary"""
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   565
        if self._closed is None and self._close_on_del:
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   566
            try:
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   567
                self.close()
7815
2a164a9cf81c [exceptions] stop catching any exception in various places (closes #1942716)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7665
diff changeset
   568
            except Exception:
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   569
                pass
2245
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2111
diff changeset
   570
8268
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   571
    # server-side service call #################################################
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   572
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   573
    @check_not_closed
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   574
    def call_service(self, regid, async=False, **kwargs):
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   575
        return self._repo.call_service(self.sessionid, regid, async, **kwargs)
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   576
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   577
    # connection initialization methods ########################################
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   578
5763
1bdddb7460a9 [vreg] register_objects lost its force_reload argument, fix dbapi.Connection.load_appobjects consequently
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5507
diff changeset
   579
    def load_appobjects(self, cubes=_MARKER, subpath=None, expand=True):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   580
        config = self.vreg.config
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   581
        if cubes is _MARKER:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   582
            cubes = self._repo.get_cubes()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   583
        elif cubes is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   584
            cubes = ()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   585
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   586
            if not isinstance(cubes, (list, tuple)):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   587
                cubes = (cubes,)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   588
            if expand:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   589
                cubes = config.expand_cubes(cubes)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   590
        if subpath is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   591
            subpath = esubpath = ('entities', 'views')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   592
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   593
            esubpath = subpath
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   594
        if 'views' in subpath:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   595
            esubpath = list(subpath)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   596
            esubpath.remove('views')
5500
55a40cc0ab9a replaced hardcoded 'web/view' by os.path.join('web', 'view') so views path is also valid under windows
egazoni
parents: 5429
diff changeset
   597
            esubpath.append(join('web', 'views'))
8571
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   598
        # first load available configs, necessary for proper persistent
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   599
        # properties initialization
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   600
        config.load_available_configs()
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   601
        # then init cubes
6494
70c87c717e4a [config] make config.cubes() available on NoAppCubicWebConfiguration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
   602
        config.init_cubes(cubes)
8571
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   603
        # then load appobjects into the registry
8537
e30d0a7f0087 [config] turn internal configuration methods building appobjects search path into normal method rather than class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   604
        vpath = config.build_appobjects_path(reversed(config.cubes_path()),
e30d0a7f0087 [config] turn internal configuration methods building appobjects search path into normal method rather than class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   605
                                             evobjpath=esubpath,
e30d0a7f0087 [config] turn internal configuration methods building appobjects search path into normal method rather than class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   606
                                             tvobjpath=subpath)
5763
1bdddb7460a9 [vreg] register_objects lost its force_reload argument, fix dbapi.Connection.load_appobjects consequently
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5507
diff changeset
   607
        self.vreg.register_objects(vpath)
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   608
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   609
    def use_web_compatible_requests(self, baseurl, sitetitle=None):
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   610
        """monkey patch DBAPIRequest to fake a cw.web.request, so you should
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   611
        able to call html views using rset from a simple dbapi connection.
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   612
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
   613
        You should call `load_appobjects` at some point to register those views.
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   614
        """
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   615
        DBAPIRequest.property_value = _fake_property_value
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   616
        DBAPIRequest.next_tabindex = count().next
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   617
        DBAPIRequest.relative_path = fake
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   618
        DBAPIRequest.url = fake
3832
ce8dd861f442 #473188: missing get_page_data when patching bare db-api request for web compatibility
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3707
diff changeset
   619
        DBAPIRequest.get_page_data = fake
3833
5507aa75f601 add set_page_data as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3832
diff changeset
   620
        DBAPIRequest.set_page_data = fake
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   621
        # XXX could ask the repo for it's base-url configuration
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   622
        self.vreg.config.set_option('base-url', baseurl)
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   623
        self.vreg.config.uiprops = {}
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   624
        self.vreg.config.datadir_url = baseurl + '/data'
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   625
        # XXX why is this needed? if really needed, could be fetched by a query
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   626
        if sitetitle is not None:
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   627
            self.vreg['propertydefs']['ui.site-title'] = {'default': sitetitle}
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   628
        self._web_request = True
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   629
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   630
    def request(self):
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   631
        if self._web_request:
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   632
            from cubicweb.web.request import CubicWebRequestBase
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   633
            req = CubicWebRequestBase(self.vreg, False)
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   634
            req.get_header = lambda x, default=None: default
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   635
            req.set_session = lambda session, user=None: DBAPIRequest.set_session(
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   636
                req, session, user)
6613
e7ff604491b2 [dbapi] web request compatibility fixes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6581
diff changeset
   637
            req.relative_path = lambda includeparams=True: ''
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   638
        else:
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   639
            req = DBAPIRequest(self.vreg)
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   640
        req.set_session(DBAPISession(self))
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   641
        return req
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   642
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   643
    @check_not_closed
322
0d9aca19b3d0 make req argument optional
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 169
diff changeset
   644
    def user(self, req=None, props=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   645
        """return the User object associated to this connection"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   646
        # cnx validity is checked by the call to .user_info
2245
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2111
diff changeset
   647
        eid, login, groups, properties = self._repo.user_info(self.sessionid,
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2111
diff changeset
   648
                                                              props)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   649
        if req is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   650
            req = self.request()
1923
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1882
diff changeset
   651
        rset = req.eid_rset(eid, 'CWUser')
5359
d83a227df75c [dbapi] take care vreg may not be set
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5347
diff changeset
   652
        if self.vreg is not None and 'etypes' in self.vreg:
6848
f87cd875c6db [web session] cleanup session/authentication api: we don't have anymore to store authentication information on web session since the auto-reconnection feature has been dropped (eg in 3.10)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6613
diff changeset
   653
            user = self.vreg['etypes'].etype_class('CWUser')(
f87cd875c6db [web session] cleanup session/authentication api: we don't have anymore to store authentication information on web session since the auto-reconnection feature has been dropped (eg in 3.10)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6613
diff changeset
   654
                req, rset, row=0, groups=groups, properties=properties)
5321
6bdca255985a [dbapi] fallback to Entity when etypes registry isn't initialized (weird we haven't catchi this pb before)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5271
diff changeset
   655
        else:
6bdca255985a [dbapi] fallback to Entity when etypes registry isn't initialized (weird we haven't catchi this pb before)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5271
diff changeset
   656
            from cubicweb.entity import Entity
6bdca255985a [dbapi] fallback to Entity when etypes registry isn't initialized (weird we haven't catchi this pb before)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5271
diff changeset
   657
            user = Entity(req, rset, row=0)
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6066
diff changeset
   658
        user.cw_attr_cache['login'] = login # cache login
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   659
        return user
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   660
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   661
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   662
    def check(self):
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   663
        """raise `BadConnectionId` if the connection is no more valid, else
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   664
        return its latest activity timestamp.
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   665
        """
6293
df44d7163582 [dbapi] Connection.check() must return the latest activity timestamp (dropped accidentally during latest merge)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6279
diff changeset
   666
        return self._repo.check_session(self.sessionid)
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   667
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   668
    def _txid(self, cursor=None): # pylint: disable=E0202
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   669
        # XXX could now handle various isolation level!
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   670
        # return a dict as bw compat trick
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   671
        return {'txid': currentThread().getName()}
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   672
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   673
    # session data methods #####################################################
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   674
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   675
    @check_not_closed
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   676
    def get_shared_data(self, key, default=None, pop=False, txdata=False):
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   677
        """return value associated to key in the session's data dictionary or
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   678
        session's transaction's data if `txdata` is true.
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   679
8238
087bb529035c [spelling] fix dictionnary -> dictionary typo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7962
diff changeset
   680
        If pop is True, value will be removed from the dictionary.
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   681
8238
087bb529035c [spelling] fix dictionnary -> dictionary typo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7962
diff changeset
   682
        If key isn't defined in the dictionary, value specified by the
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   683
        `default` argument will be returned.
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   684
        """
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   685
        return self._repo.get_shared_data(self.sessionid, key, default, pop, txdata)
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   686
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   687
    @check_not_closed
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   688
    def set_shared_data(self, key, value, txdata=False):
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   689
        """set value associated to `key` in shared data
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   690
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   691
        if `txdata` is true, the value will be added to the repository
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   692
        session's query data which are cleared on commit/rollback of the current
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   693
        transaction.
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   694
        """
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   695
        return self._repo.set_shared_data(self.sessionid, key, value, txdata)
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   696
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   697
    # meta-data accessors ######################################################
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   698
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   699
    @check_not_closed
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   700
    def source_defs(self):
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   701
        """Return the definition of sources used by the repository."""
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   702
        return self._repo.source_defs()
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   703
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   704
    @check_not_closed
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   705
    def get_schema(self):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   706
        """Return the schema currently used by the repository."""
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   707
        return self._repo.get_schema()
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   708
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   709
    @check_not_closed
6308
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   710
    def get_option_value(self, option, foreid=None):
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   711
        """Return the value for `option` in the configuration. If `foreid` is
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   712
        specified, the actual repository to which this entity belongs is
6312
b6c2b81e49ec [dbapi] fix typo
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6308
diff changeset
   713
        dereferenced and the option value retrieved from it.
6308
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   714
        """
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   715
        return self._repo.get_option_value(option, foreid)
6257
7eb5f1aed728 [repo] new method on repo+dbapi.Connection to get a value from repository's configuration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6252
diff changeset
   716
7eb5f1aed728 [repo] new method on repo+dbapi.Connection to get a value from repository's configuration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6252
diff changeset
   717
    @check_not_closed
7543
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   718
    def describe(self, eid, asdict=False):
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   719
        metas = self._repo.describe(self.sessionid, eid, **self._txid())
7650
278fe9c1f3ad [repo] closes #1821172: fix source deletion
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7595
diff changeset
   720
        if len(metas) == 3: # backward compat
278fe9c1f3ad [repo] closes #1821172: fix source deletion
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7595
diff changeset
   721
            metas = list(metas)
278fe9c1f3ad [repo] closes #1821172: fix source deletion
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7595
diff changeset
   722
            metas.append(metas[1])
7543
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   723
        if asdict:
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   724
            return dict(zip(('type', 'source', 'extid', 'asource'), metas))
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   725
        # XXX :-1 for cw compat, use asdict=True for full information
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   726
        return metas[:-1]
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   727
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   728
    # db-api like interface ####################################################
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   729
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   730
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   731
    def commit(self):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   732
        """Commit pending transaction for this connection to the repository.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   733
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   734
        may raises `Unauthorized` or `ValidationError` if we attempted to do
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   735
        something we're not allowed to for security or integrity reason.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   736
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   737
        If the transaction is undoable, a transaction id will be returned.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   738
        """
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   739
        return self._repo.commit(self.sessionid, **self._txid())
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   740
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   741
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   742
    def rollback(self):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   743
        """This method is optional since not all databases provide transaction
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   744
        support.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   745
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   746
        In case a database does provide transactions this method causes the the
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   747
        database to roll back to the start of any pending transaction.  Closing
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   748
        a connection without committing the changes first will cause an implicit
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   749
        rollback to be performed.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   750
        """
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   751
        self._repo.rollback(self.sessionid, **self._txid())
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   752
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   753
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   754
    def cursor(self, req=None):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   755
        """Return a new Cursor Object using the connection.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   756
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   757
        On pyro connection, you should get cursor after calling if
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   758
        load_appobjects method if desired (which you should call if you intend
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   759
        to use ORM abilities).
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   760
        """
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   761
        if req is None:
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   762
            req = self.request()
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   763
        return self.cursor_class(self, self._repo, req=req)
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   764
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   765
    @check_not_closed
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   766
    def close(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   767
        """Close the connection now (rather than whenever __del__ is called).
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   768
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   769
        The connection will be unusable from this point forward; an Error (or
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   770
        subclass) exception will be raised if any operation is attempted with
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   771
        the connection. The same applies to all cursor objects trying to use the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   772
        connection.  Note that closing a connection without committing the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   773
        changes first will cause an implicit rollback to be performed.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   774
        """
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   775
        self._repo.close(self.sessionid, **self._txid())
4768
430b89aed996 delete pyro proxy on connection close, properly raise programming error when working on a closed connection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4721
diff changeset
   776
        del self._repo # necessary for proper garbage collection
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   777
        self._closed = 1
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   778
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   779
    # undo support ############################################################
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   780
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   781
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   782
    def undoable_transactions(self, ueid=None, req=None, **actionfilters):
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   783
        """Return a list of undoable transaction objects by the connection's
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   784
        user, ordered by descendant transaction time.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   785
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   786
        Managers may filter according to user (eid) who has done the transaction
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   787
        using the `ueid` argument. Others will only see their own transactions.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   788
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   789
        Additional filtering capabilities is provided by using the following
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   790
        named arguments:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   791
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   792
        * `etype` to get only transactions creating/updating/deleting entities
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   793
          of the given type
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   794
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   795
        * `eid` to get only transactions applied to entity of the given eid
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   796
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   797
        * `action` to get only transactions doing the given action (action in
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   798
          'C', 'U', 'D', 'A', 'R'). If `etype`, action can only be 'C', 'U' or
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   799
          'D'.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   800
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   801
        * `public`: when additional filtering is provided, their are by default
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   802
          only searched in 'public' actions, unless a `public` argument is given
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   803
          and set to false.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   804
        """
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   805
        actionfilters.update(self._txid())
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   806
        txinfos = self._repo.undoable_transactions(self.sessionid, ueid,
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   807
                                                   **actionfilters)
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   808
        if req is None:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   809
            req = self.request()
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   810
        for txinfo in txinfos:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   811
            txinfo.req = req
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   812
        return txinfos
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   813
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   814
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   815
    def transaction_info(self, txuuid, req=None):
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   816
        """Return transaction object for the given uid.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   817
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   818
        raise `NoSuchTransaction` if not found or if session's user is not
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   819
        allowed (eg not in managers group and the transaction doesn't belong to
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   820
        him).
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   821
        """
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   822
        txinfo = self._repo.transaction_info(self.sessionid, txuuid,
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   823
                                             **self._txid())
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   824
        if req is None:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   825
            req = self.request()
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   826
        txinfo.req = req
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   827
        return txinfo
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   828
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   829
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   830
    def transaction_actions(self, txuuid, public=True):
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   831
        """Return an ordered list of action effectued during that transaction.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   832
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   833
        If public is true, return only 'public' actions, eg not ones triggered
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   834
        under the cover by hooks, else return all actions.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   835
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   836
        raise `NoSuchTransaction` if the transaction is not found or if
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   837
        session's user is not allowed (eg not in managers group and the
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   838
        transaction doesn't belong to him).
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   839
        """
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   840
        return self._repo.transaction_actions(self.sessionid, txuuid, public,
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   841
                                              **self._txid())
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   842
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   843
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   844
    def undo_transaction(self, txuuid):
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   845
        """Undo the given transaction. Return potential restoration errors.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   846
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   847
        raise `NoSuchTransaction` if not found or if session's user is not
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   848
        allowed (eg not in managers group and the transaction doesn't belong to
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   849
        him).
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   850
        """
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   851
        return self._repo.undo_transaction(self.sessionid, txuuid,
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   852
                                           **self._txid())