server/schemaserial.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Fri, 26 Feb 2010 13:24:47 +0100
branchstable
changeset 4721 8f63691ccb7f
parent 4719 aaed3f813ef8
child 4722 9c13d5db03d9
permissions -rw-r--r--
pylint style fixes
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"""functions for schema / permissions (de)serialization using RQL
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:organization: Logilab
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
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"""
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__docformat__ = "restructuredtext en"
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import os
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from itertools import chain
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from logilab.common.shellutils import ProgressBar
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from yams import schema as schemamod, buildobjs as ybo
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from cubicweb.schema import CONSTRAINTS, ETYPE_NAME_MAP, VIRTUAL_RTYPES
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from cubicweb.server import sqlutils
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def group_mapping(cursor, interactive=True):
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    """create a group mapping from an rql cursor
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    A group mapping has standard group names as key (managers, owners at least)
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    and the actual CWGroup entity's eid as associated value.
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    In interactive mode (the default), missing groups'eid will be prompted
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    from the user.
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    """
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    res = {}
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    for eid, name in cursor.execute('Any G, N WHERE G is CWGroup, G name N',
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                                    build_descr=False):
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        res[name] = eid
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    if not interactive:
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        return res
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    missing = [g for g in ('owners', 'managers', 'users', 'guests') if not g in res]
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    if missing:
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        print 'some native groups are missing but the following groups have been found:'
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        print '\n'.join('* %s (%s)' % (n, eid) for n, eid in res.items())
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        print
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        print 'enter the eid of a to group to map to each missing native group'
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        print 'or just type enter to skip permissions granted to a group'
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        for group in missing:
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            while True:
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                value = raw_input('eid for group %s: ' % group).strip()
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                if not value:
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                    continue
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                try:
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                    res[group] = int(value)
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                except ValueError:
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                    print 'eid should be an integer'
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                    continue
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    return res
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# schema / perms deserialization ##############################################
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OLD_SCHEMA_TYPES = frozenset(('EFRDef', 'ENFRDef', 'ERType', 'EEType',
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                              'EConstraintType', 'EConstraint', 'EGroup',
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                              'EUser', 'ECache', 'EPermission', 'EProperty'))
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def deserialize_schema(schema, session):
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    """return a schema according to information stored in an rql database
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    as CWRType and CWEType entities
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    """
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    repo = session.repo
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    dbhelper = repo.system_source.dbhelper
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    # 3.6 migration
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    sqlcu = session.pool['system']
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    sqlcu.execute("SELECT * FROM cw_CWRType WHERE cw_name='symetric'")
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    if sqlcu.fetchall():
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        sql = dbhelper.sql_rename_col('cw_CWRType', 'cw_symetric', 'cw_symmetric',
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                                      dbhelper.TYPE_MAPPING['Boolean'], True)
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        sqlcu.execute(sql)
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        sqlcu.execute("UPDATE cw_CWRType SET cw_name='symmetric' WHERE cw_name='symetric'")
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    sidx = {}
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    permsdict = deserialize_ertype_permissions(session)
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    schema.reading_from_database = True
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    for eid, etype, desc in session.execute(
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        'Any X, N, D WHERE X is CWEType, X name N, X description D',
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        build_descr=False):
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        # base types are already in the schema, skip them
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        if etype in schemamod.BASE_TYPES:
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            # just set the eid
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            eschema = schema.eschema(etype)
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            eschema.eid = eid
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            sidx[eid] = eschema
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            continue
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        if etype in ETYPE_NAME_MAP:
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            netype = ETYPE_NAME_MAP[etype]
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            # can't use write rql queries at this point, use raw sql
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            session.system_sql('UPDATE %(p)sCWEType SET %(p)sname=%%(n)s WHERE %(p)seid=%%(x)s'
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                               % {'p': sqlutils.SQL_PREFIX},
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                               {'x': eid, 'n': netype})
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            session.system_sql('UPDATE entities SET type=%(n)s WHERE type=%(x)s',
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                               {'x': etype, 'n': netype})
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            # XXX should be donne as well on sqlite based sources
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            if not etype in OLD_SCHEMA_TYPES and \
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               (getattr(dbhelper, 'case_sensitive', False)
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                or etype.lower() != netype.lower()):
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                session.system_sql('ALTER TABLE %s%s RENAME TO %s%s' % (
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                    sqlutils.SQL_PREFIX, etype, sqlutils.SQL_PREFIX, netype))
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            session.commit(False)
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            try:
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                session.system_sql('UPDATE deleted_entities SET type=%(n)s WHERE type=%(x)s',
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                                   {'x': etype, 'n': netype})
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            except:
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                pass
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            tocleanup = [eid]
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            tocleanup += (eid for eid, (eidetype, uri, extid) in repo._type_source_cache.items()
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                          if etype == eidetype)
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            repo.clear_caches(tocleanup)
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            session.commit(False)
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            etype = netype
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        etype = ybo.EntityType(name=etype, description=desc, eid=eid)
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        eschema = schema.add_entity_type(etype)
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        sidx[eid] = eschema
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        set_perms(eschema, permsdict)
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    for etype, stype in session.execute(
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        'Any XN, ETN WHERE X is CWEType, X name XN, X specializes ET, ET name ETN',
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        build_descr=False):
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        schema.eschema(etype)._specialized_type = stype
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        schema.eschema(stype)._specialized_by.append(etype)
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   120
    for eid, rtype, desc, sym, il, ftc in session.execute(
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        'Any X,N,D,S,I,FTC WHERE X is CWRType, X name N, X description D, '
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        'X symmetric S, X inlined I, X fulltext_container FTC', build_descr=False):
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        rtype = ybo.RelationType(name=rtype, description=desc,
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                                 symmetric=bool(sym), inlined=bool(il),
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                                 fulltext_container=ftc, eid=eid)
0
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        rschema = schema.add_relation_type(rtype)
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        sidx[eid] = rschema
0
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    cstrsdict = deserialize_rdef_constraints(session)
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    for values in session.execute(
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        'Any X,SE,RT,OE,CARD,ORD,DESC,IDX,FTIDX,I18N,DFLT WHERE X is CWAttribute,'
0
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        'X relation_type RT, X cardinality CARD, X ordernum ORD, X indexed IDX,'
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        'X description DESC, X internationalizable I18N, X defaultval DFLT,'
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        'X fulltextindexed FTIDX, X from_entity SE, X to_entity OE',
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        build_descr=False):
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        rdefeid, seid, reid, teid, card, ord, desc, idx, ftidx, i18n, default = values
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        rdef = ybo.RelationDefinition(sidx[seid].type, sidx[reid].type, sidx[teid].type,
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   137
                                      cardinality=card,
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                                      constraints=cstrsdict.get(rdefeid, ()),
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                                      order=ord, description=desc,
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                                      indexed=idx, fulltextindexed=ftidx,
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   141
                                      internationalizable=i18n,
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                                      default=default, eid=rdefeid)
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        rdefs = schema.add_relation_def(rdef)
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        # rdefs can be None on duplicated relation definitions (e.g. symmetrics)
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        if rdefs is not None:
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            set_perms(rdefs, permsdict)
0
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    for values in session.execute(
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        'Any X,SE,RT,OE,CARD,ORD,DESC,C WHERE X is CWRelation, X relation_type RT,'
0
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        'X cardinality CARD, X ordernum ORD, X description DESC, '
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        'X from_entity SE, X to_entity OE, X composite C', build_descr=False):
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        rdefeid, seid, reid, teid, card, ord, desc, c = values
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        rdef = ybo.RelationDefinition(sidx[seid].type, sidx[reid].type, sidx[teid].type,
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                                      constraints=cstrsdict.get(rdefeid, ()),
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                                      cardinality=card, order=ord, description=desc,
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                                      composite=c,  eid=rdefeid)
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        rdefs = schema.add_relation_def(rdef)
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        # rdefs can be None on duplicated relation definitions (e.g. symmetrics)
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        if rdefs is not None:
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            set_perms(rdefs, permsdict)
0
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    schema.infer_specialization_rules()
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    session.commit()
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    schema.reading_from_database = False
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def deserialize_ertype_permissions(session):
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    """return sect action:groups associations for the given
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    entity or relation schema with its eid, according to schema's
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    permissions stored in the database as [read|add|delete|update]_permission
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    relations between CWEType/CWRType and CWGroup entities
0
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    """
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    res = {}
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    for action in ('read', 'add', 'update', 'delete'):
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        rql = 'Any E,N WHERE G is CWGroup, G name N, E %s_permission G' % action
0
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        for eid, gname in session.execute(rql, build_descr=False):
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            res.setdefault(eid, {}).setdefault(action, []).append(gname)
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        rql = ('Any E,X,EXPR,V WHERE X is RQLExpression, X expression EXPR, '
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               'E %s_permission X, X mainvars V' % action)
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        for eid, expreid, expr, mainvars in session.execute(rql, build_descr=False):
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            # we don't know yet if it's a rql expr for an entity or a relation,
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            # so append a tuple to differentiate from groups and so we'll be
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            # able to instantiate it later
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            res.setdefault(eid, {}).setdefault(action, []).append( (expr, mainvars, expreid) )
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    return res
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def set_perms(erschema, permsdict):
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    """set permissions on the given erschema according to the permission
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   187
    definition dictionary as built by deserialize_ertype_permissions for a
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   188
    given erschema's eid
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    """
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   190
    # reset erschema permissions here to avoid getting yams default anyway
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   191
    erschema.permissions = dict((action, ()) for action in erschema.ACTIONS)
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   192
    try:
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   193
        thispermsdict = permsdict[erschema.eid]
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diff changeset
   194
    except KeyError:
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   195
        return
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   196
    for action, somethings in thispermsdict.iteritems():
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   197
        # XXX cw < 3.6.1 bw compat
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   198
        if isinstance(erschema, schemamod.RelationDefinitionSchema) and erschema.final and action == 'add':
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   199
            action = 'update'
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   200
        erschema.permissions[action] = tuple(
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   201
            isinstance(p, tuple) and erschema.rql_expression(*p) or p
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diff changeset
   202
            for p in somethings)
0
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def deserialize_rdef_constraints(session):
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    """return the list of relation definition's constraints as instances"""
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    res = {}
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   208
    for rdefeid, ceid, ct, val in session.execute(
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   209
        'Any E, X,TN,V WHERE E constrained_by X, X is CWConstraint, '
0
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        'X cstrtype T, T name TN, X value V', build_descr=False):
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   211
        cstr = CONSTRAINTS[ct].deserialize(val)
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        cstr.eid = ceid
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   213
        res.setdefault(rdefeid, []).append(cstr)
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    return res
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   215
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   216
0
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# schema / perms serialization ################################################
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def serialize_schema(cursor, schema, verbose=False):
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    """synchronize schema and permissions in the database according to
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    current schema
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   222
    """
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diff changeset
   223
    quiet = os.environ.get('APYCOT_ROOT')
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   224
    if not quiet:
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        _title = '-> storing the schema in the database '
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   226
        print _title,
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   227
    execute = cursor.execute
0
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    eschemas = schema.entities()
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    aller = eschemas + schema.relations()
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diff changeset
   230
    if not verbose and not quiet:
0
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   231
        pb_size = len(aller) + len(CONSTRAINTS) + len([x for x in eschemas if x.specializes()])
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   232
        pb = ProgressBar(pb_size, title=_title)
3857
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parents: 3854
diff changeset
   233
    else:
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diff changeset
   234
        pb = None
2597
d9c5a7e0563c [C schema seria] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   235
    rql = 'INSERT CWConstraintType X: X name %(ct)s'
0
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parents:
diff changeset
   236
    for cstrtype in CONSTRAINTS:
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parents:
diff changeset
   237
        if verbose:
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parents:
diff changeset
   238
            print rql
4312
740397c24ec3 minor schema deserialization optimizations
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parents: 4252
diff changeset
   239
        execute(rql, {'ct': unicode(cstrtype)}, build_descr=False)
3857
6676a839dc97 ensure pb is not None
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parents: 3854
diff changeset
   240
        if pb is not None:
0
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parents:
diff changeset
   241
            pb.update()
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parents:
diff changeset
   242
    groupmap = group_mapping(cursor, interactive=False)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   243
    for ertype in aller:
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parents:
diff changeset
   244
        # skip eid and has_text relations
2596
d02eed70937f [R repo, schema] use VIRTUAL_RTYPES const
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2458
diff changeset
   245
        if ertype in VIRTUAL_RTYPES:
3857
6676a839dc97 ensure pb is not None
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parents: 3854
diff changeset
   246
            if pb is not None:
6676a839dc97 ensure pb is not None
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parents: 3854
diff changeset
   247
                pb.update()
0
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parents:
diff changeset
   248
            continue
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
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diff changeset
   249
        for rql, kwargs in erschema2rql(schema[ertype], groupmap):
0
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parents:
diff changeset
   250
            if verbose:
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parents:
diff changeset
   251
                print rql % kwargs
4312
740397c24ec3 minor schema deserialization optimizations
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parents: 4252
diff changeset
   252
            execute(rql, kwargs, build_descr=False)
3857
6676a839dc97 ensure pb is not None
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parents: 3854
diff changeset
   253
        if pb is not None:
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   254
            pb.update()
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parents:
diff changeset
   255
    for rql, kwargs in specialize2rql(schema):
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parents:
diff changeset
   256
        if verbose:
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parents:
diff changeset
   257
            print rql % kwargs
4312
740397c24ec3 minor schema deserialization optimizations
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4252
diff changeset
   258
        execute(rql, kwargs, build_descr=False)
3857
6676a839dc97 ensure pb is not None
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3854
diff changeset
   259
        if pb is not None:
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   260
            pb.update()
3723
a961c7cb2644 be quiet w/ apycot
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3689
diff changeset
   261
    if not quiet:
a961c7cb2644 be quiet w/ apycot
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parents: 3689
diff changeset
   262
        print
0
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parents:
diff changeset
   263
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   264
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   265
def _ervalues(erschema):
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parents:
diff changeset
   266
    try:
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parents:
diff changeset
   267
        type_ = unicode(erschema.type)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   268
    except UnicodeDecodeError, e:
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diff changeset
   269
        raise Exception("can't decode %s [was %s]" % (erschema.type, e))
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parents:
diff changeset
   270
    try:
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parents:
diff changeset
   271
        desc = unicode(erschema.description) or u''
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parents:
diff changeset
   272
    except UnicodeDecodeError, e:
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parents:
diff changeset
   273
        raise Exception("can't decode %s [was %s]" % (erschema.description, e))
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parents:
diff changeset
   274
    return {
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parents:
diff changeset
   275
        'name': type_,
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2955
diff changeset
   276
        'final': erschema.final,
0
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parents:
diff changeset
   277
        'description': desc,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   278
        }
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   279
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parents:
diff changeset
   280
def eschema_relations_values(eschema):
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parents:
diff changeset
   281
    values = _ervalues(eschema)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   282
    relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   283
    return relations, values
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parents:
diff changeset
   284
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   285
def rschema_relations_values(rschema):
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parents:
diff changeset
   286
    values = _ervalues(rschema)
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2955
diff changeset
   287
    values['final'] = rschema.final
4467
0e73d299730a fix long-waiting symetric typo: should be spelled symmetric. Add auto database migration on schema deserialization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4312
diff changeset
   288
    values['symmetric'] = rschema.symmetric
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   289
    values['inlined'] = rschema.inlined
4719
aaed3f813ef8 kill dead/useless code as suggested by pylint
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4631
diff changeset
   290
    if isinstance(rschema.fulltext_container, str):
aaed3f813ef8 kill dead/useless code as suggested by pylint
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4631
diff changeset
   291
        values['fulltext_container'] = unicode(rschema.fulltext_container)
aaed3f813ef8 kill dead/useless code as suggested by pylint
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4631
diff changeset
   292
    else:
aaed3f813ef8 kill dead/useless code as suggested by pylint
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4631
diff changeset
   293
        values['fulltext_container'] = rschema.fulltext_container
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   294
    relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)]
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parents:
diff changeset
   295
    return relations, values
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parents:
diff changeset
   296
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parents:
diff changeset
   297
def _rdef_values(rschema, objtype, props):
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parents:
diff changeset
   298
    amap = {'order': 'ordernum'}
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   299
    values = {}
4024
6a14cff373c3 more api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4021
diff changeset
   300
    for prop, default in schemamod.RelationDefinitionSchema.rproperty_defs(objtype).iteritems():
4003
b9436fe77c9e fix bad merge
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 3998
diff changeset
   301
        if prop in ('eid', 'constraints', 'uid', 'infered', 'permissions'):
0
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parents:
diff changeset
   302
            continue
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parents:
diff changeset
   303
        value = props.get(prop, default)
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parents:
diff changeset
   304
        if prop in ('indexed', 'fulltextindexed', 'internationalizable'):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   305
            value = bool(value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   306
        elif prop == 'ordernum':
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   307
            value = int(value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   308
        elif isinstance(value, str):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   309
            value = unicode(value)
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parents:
diff changeset
   310
        values[amap.get(prop, prop)] = value
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parents:
diff changeset
   311
    return values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   312
0
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parents:
diff changeset
   313
def nfrdef_relations_values(rschema, objtype, props):
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parents:
diff changeset
   314
    values = _rdef_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   315
    relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   316
    return relations, values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   317
0
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parents:
diff changeset
   318
def frdef_relations_values(rschema, objtype, props):
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parents:
diff changeset
   319
    values = _rdef_values(rschema, objtype, props)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   320
    default = values['default']
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   321
    del values['default']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   322
    if default is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   323
        if default is False:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   324
            default = u''
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   325
        elif not isinstance(default, unicode):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   326
            default = unicode(default)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   327
    values['defaultval'] = default
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   328
    relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   329
    return relations, values
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   330
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   331
4033
732eccbed54a missing groupmap propagation to rschema2rql
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4024
diff changeset
   332
def __rdef2rql(genmap, rschema, subjtype=None, objtype=None, props=None,
732eccbed54a missing groupmap propagation to rschema2rql
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4024
diff changeset
   333
               groupmap=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   334
    if subjtype is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   335
        assert objtype is None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   336
        assert props is None
4189
bd552b341334 make groupmap argument optional / sort for testing purpose
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4033
diff changeset
   337
        targets = sorted(rschema.rdefs)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   338
    else:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   339
        assert not objtype is None
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   340
        targets = [(subjtype, objtype)]
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   341
    # relation schema
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   342
    if rschema.final:
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   343
        etype = 'CWAttribute'
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   344
    else:
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   345
        etype = 'CWRelation'
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   346
    for subjtype, objtype in targets:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   347
        if props is None:
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   348
            _props = rschema.rdef(subjtype, objtype)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   349
        else:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   350
            _props = props
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   351
        # don't serialize infered relations
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   352
        if _props.get('infered'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   353
            continue
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2955
diff changeset
   354
        gen = genmap[rschema.final]
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   355
        for rql, values in gen(rschema, subjtype, objtype, _props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   356
            yield rql, values
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   357
        # no groupmap means "no security insertion"
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   358
        if groupmap:
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   359
            for rql, args in _erperms2rql(_props, groupmap):
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   360
                args['st'] = str(subjtype)
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   361
                args['rt'] = str(rschema)
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   362
                args['ot'] = str(objtype)
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   363
                yield rql + 'X is %s, X from_entity ST, X to_entity OT, '\
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   364
                      'X relation_type RT, RT name %%(rt)s, ST name %%(st)s, '\
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   365
                      'OT name %%(ot)s' % etype, args
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   367
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parents:
diff changeset
   368
def schema2rql(schema, skip=None, allow=None):
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parents:
diff changeset
   369
    """return a list of rql insert statements to enter the schema in the
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   370
    database as CWRType and CWEType entities
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   371
    """
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   372
    assert not (skip is not None and allow is not None), \
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   373
           'can\'t use both skip and allow'
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   374
    all = schema.entities() + schema.relations()
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   375
    if skip is not None:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   376
        return chain(*[erschema2rql(schema[t]) for t in all if not t in skip])
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   377
    elif allow is not None:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   378
        return chain(*[erschema2rql(schema[t]) for t in all if t in allow])
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   379
    return chain(*[erschema2rql(schema[t]) for t in all])
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   380
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   381
def erschema2rql(erschema, groupmap):
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   382
    if isinstance(erschema, schemamod.EntitySchema):
4033
732eccbed54a missing groupmap propagation to rschema2rql
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4024
diff changeset
   383
        return eschema2rql(erschema, groupmap=groupmap)
732eccbed54a missing groupmap propagation to rschema2rql
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4024
diff changeset
   384
    return rschema2rql(erschema, groupmap=groupmap)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   385
4189
bd552b341334 make groupmap argument optional / sort for testing purpose
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4033
diff changeset
   386
def eschema2rql(eschema, groupmap=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   387
    """return a list of rql insert statements to enter an entity schema
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   388
    in the database as an CWEType entity
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   389
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   390
    relations, values = eschema_relations_values(eschema)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   391
    # NOTE: 'specializes' relation can't be inserted here since there's no
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   392
    # way to make sure the parent type is inserted before the child type
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   393
    yield 'INSERT CWEType X: %s' % ','.join(relations) , values
4189
bd552b341334 make groupmap argument optional / sort for testing purpose
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4033
diff changeset
   394
    # entity permissions
bd552b341334 make groupmap argument optional / sort for testing purpose
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4033
diff changeset
   395
    if groupmap is not None:
bd552b341334 make groupmap argument optional / sort for testing purpose
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4033
diff changeset
   396
        for rql, args in _erperms2rql(eschema, groupmap):
bd552b341334 make groupmap argument optional / sort for testing purpose
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4033
diff changeset
   397
            args['name'] = str(eschema)
bd552b341334 make groupmap argument optional / sort for testing purpose
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4033
diff changeset
   398
            yield rql + 'X is CWEType, X name %(name)s', args
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   399
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   400
def specialize2rql(schema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   401
    for eschema in schema.entities():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   402
        for rql, kwargs in eschemaspecialize2rql(eschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   403
            yield rql, kwargs
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   404
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   405
def eschemaspecialize2rql(eschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   406
    specialized_type = eschema.specializes()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   407
    if specialized_type:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   408
        values = {'x': eschema.type, 'et': specialized_type.type}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   409
        yield 'SET X specializes ET WHERE X name %(x)s, ET name %(et)s', values
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   410
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   411
def rschema2rql(rschema, addrdef=True, groupmap=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   412
    """return a list of rql insert statements to enter a relation schema
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   413
    in the database as an CWRType entity
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   414
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
    if rschema.type == 'has_text':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   416
        return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   417
    relations, values = rschema_relations_values(rschema)
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   418
    yield 'INSERT CWRType X: %s' % ','.join(relations), values
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   419
    if addrdef:
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   420
        for rql, values in rdef2rql(rschema, groupmap=groupmap):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   421
            yield rql, values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   422
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   423
def rdef2rql(rschema, subjtype=None, objtype=None, props=None, groupmap=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
    genmap = {True: frdef2rql, False: nfrdef2rql}
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   425
    return __rdef2rql(genmap, rschema, subjtype, objtype, props, groupmap)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   427
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   428
_LOCATE_RDEF_RQL0 = 'X relation_type ER,X from_entity SE,X to_entity OE'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   429
_LOCATE_RDEF_RQL1 = 'SE name %(se)s,ER name %(rt)s,OE name %(oe)s'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   430
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   431
def frdef2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   432
    relations, values = frdef_relations_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
    relations.append(_LOCATE_RDEF_RQL0)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   434
    values.update({'se': str(subjtype), 'rt': str(rschema), 'oe': str(objtype)})
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   435
    yield 'INSERT CWAttribute X: %s WHERE %s' % (','.join(relations), _LOCATE_RDEF_RQL1), values
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
    for rql, values in rdefrelations2rql(rschema, subjtype, objtype, props):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   437
        yield rql + ', EDEF is CWAttribute', values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   438
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   439
def nfrdef2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   440
    relations, values = nfrdef_relations_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   441
    relations.append(_LOCATE_RDEF_RQL0)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
    values.update({'se': str(subjtype), 'rt': str(rschema), 'oe': str(objtype)})
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   443
    yield 'INSERT CWRelation X: %s WHERE %s' % (','.join(relations), _LOCATE_RDEF_RQL1), values
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
    for rql, values in rdefrelations2rql(rschema, subjtype, objtype, props):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   445
        yield rql + ', EDEF is CWRelation', values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   446
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   447
def rdefrelations2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
    iterators = []
4021
280c910c8710 move i18n / migration modules from cw.common to cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4014
diff changeset
   449
    for constraint in props.constraints:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   450
        iterators.append(constraint2rql(rschema, subjtype, objtype, constraint))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   451
    return chain(*iterators)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   452
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   453
def constraint2rql(rschema, subjtype, objtype, constraint):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
    values = {'ctname': unicode(constraint.type()),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   455
              'value': unicode(constraint.serialize()),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   456
              'rt': str(rschema), 'se': str(subjtype), 'oe': str(objtype)}
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   457
    yield 'INSERT CWConstraint X: X value %(value)s, X cstrtype CT, EDEF constrained_by X WHERE \
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   458
CT name %(ctname)s, EDEF relation_type ER, EDEF from_entity SE, EDEF to_entity OE, \
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   459
ER name %(rt)s, SE name %(se)s, OE name %(oe)s', values
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   460
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   461
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   462
def _erperms2rql(erschema, groupmap):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   463
    """return rql insert statements to enter the entity or relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   464
    schema's permissions in the database as
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   465
    [read|add|delete|update]_permission relations between CWEType/CWRType
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   466
    and CWGroup entities
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   467
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   468
    for action in erschema.ACTIONS:
4631
457160bc8cfe when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   469
        try:
457160bc8cfe when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   470
            grantedto = erschema.action_permissions(action)
457160bc8cfe when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   471
        except KeyError:
457160bc8cfe when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   472
            # may occurs when modifying persistent schema
457160bc8cfe when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   473
            continue
457160bc8cfe when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
   474
        for group_or_rqlexpr in grantedto:
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   475
            if isinstance(group_or_rqlexpr, basestring):
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   476
                # group
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   477
                try:
4003
b9436fe77c9e fix bad merge
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 3998
diff changeset
   478
                    yield ('SET X %s_permission Y WHERE Y eid %%(g)s, ' % action,
4011
394f853bb653 [migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4010
diff changeset
   479
                           {'g': groupmap[group_or_rqlexpr]})
3877
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   480
                except KeyError:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   481
                    continue
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   482
            else:
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   483
                # rqlexpr
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   484
                rqlexpr = group_or_rqlexpr
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   485
                yield ('INSERT RQLExpression E: E expression %%(e)s, E exprtype %%(t)s, '
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   486
                       'E mainvars %%(v)s, X %s_permission E WHERE ' % action,
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   487
                       {'e': unicode(rqlexpr.expression),
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   488
                        'v': unicode(rqlexpr.mainvars),
7ca53fc72a0a reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3876
diff changeset
   489
                        't': unicode(rqlexpr.__class__.__name__)})
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   490
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   492
def updateeschema2rql(eschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   493
    relations, values = eschema_relations_values(eschema)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   494
    values['et'] = eschema.type
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   495
    yield 'SET %s WHERE X is CWEType, X name %%(et)s' % ','.join(relations), values
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   496
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   497
def updaterschema2rql(rschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   498
    relations, values = rschema_relations_values(rschema)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   499
    values['rt'] = rschema.type
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   500
    yield 'SET %s WHERE X is CWRType, X name %%(rt)s' % ','.join(relations), values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   501
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   502
def updaterdef2rql(rschema, subjtype=None, objtype=None, props=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   503
    genmap = {True: updatefrdef2rql, False: updatenfrdef2rql}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
    return __rdef2rql(genmap, rschema, subjtype, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   505
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   506
def updatefrdef2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   507
    relations, values = frdef_relations_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   508
    values.update({'se': subjtype, 'rt': str(rschema), 'oe': objtype})
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   509
    yield 'SET %s WHERE %s, %s, X is CWAttribute' % (','.join(relations),
2597
d9c5a7e0563c [C schema seria] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   510
                                                     _LOCATE_RDEF_RQL0,
d9c5a7e0563c [C schema seria] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   511
                                                     _LOCATE_RDEF_RQL1), values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   512
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   513
def updatenfrdef2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   514
    relations, values = nfrdef_relations_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
    values.update({'se': subjtype, 'rt': str(rschema), 'oe': objtype})
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   516
    yield 'SET %s WHERE %s, %s, X is CWRelation' % (','.join(relations),
2597
d9c5a7e0563c [C schema seria] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   517
                                                    _LOCATE_RDEF_RQL0,
d9c5a7e0563c [C schema seria] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   518
                                                    _LOCATE_RDEF_RQL1), values