server/schemaserial.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Fri, 25 Sep 2009 11:56:31 +0200
changeset 3482 9a868f462fa4
parent 2955 6bb5025c9fc7
child 3689 deb13e88e037
permissions -rw-r--r--
[i18n] properly give context
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"""functions for schema / permissions (de)serialization using RQL
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:organization: Logilab
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:copyright: 2001-2009 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 sys
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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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        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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def _set_sql_prefix(prefix):
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    """3.2.0 migration function: allow to unset/reset SQL_PREFIX"""
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    for module in ('checkintegrity', 'migractions', 'schemahooks',
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                   'sources.rql2sql', 'sources.native', 'sqlutils'):
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        try:
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            sys.modules['cubicweb.server.%s' % module].SQL_PREFIX = prefix
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            print 'changed SQL_PREFIX for %s' % module
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        except KeyError:
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            pass
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def _update_database(schema, sqlcu):
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    """3.2.0 migration function: update database schema by adding SQL_PREFIX to
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    entity type tables and columns
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    """
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    for etype in schema.entities():
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        if etype.is_final():
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            continue
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        try:
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            sql = 'ALTER TABLE %s RENAME TO cw_%s' % (
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                etype, ETYPE_NAME_MAP.get(etype, etype))
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            print sql
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            sqlcu.execute(sql)
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        except:
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            pass
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        for rschema in etype.subject_relations():
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            if rschema == 'has_text':
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                continue
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            if rschema.is_final() or rschema.inlined:
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                sql = 'ALTER TABLE cw_%s RENAME %s TO cw_%s' % (
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                    etype, rschema, rschema)
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                print sql
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                sqlcu.execute(sql)
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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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    #
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    repo = session.repo
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    sqlcu = session.pool['system']
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    _3_2_migration = False
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    dbhelper = repo.system_source.dbhelper
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    tables = set(t.lower() for t in dbhelper.list_tables(sqlcu))
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    if 'eetype' in tables:
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        _3_2_migration = True
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        # 3.2 migration
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        _set_sql_prefix('')
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        # first rename entity types whose name changed in 3.2 without adding the
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        # cw_ prefix
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        for etype in OLD_SCHEMA_TYPES:
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            if etype.lower() in tables:
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                sql = 'ALTER TABLE %s RENAME TO %s' % (etype,
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                                                       ETYPE_NAME_MAP[etype])
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                print sql
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                sqlcu.execute(sql)
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        # other table renaming done once schema has been read
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    index = {}
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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('Any X, N, D WHERE '
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                                            'X is CWEType, X name N, '
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                                            '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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parents:
diff changeset
   125
            index[eid] = eschema
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parents:
diff changeset
   126
            continue
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parents: 1977
diff changeset
   127
        if etype in ETYPE_NAME_MAP:
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parents: 1977
diff changeset
   128
            netype = ETYPE_NAME_MAP[etype]
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parents: 1977
diff changeset
   129
            print 'fixing etype name from %s to %s' % (etype, netype)
0
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parents:
diff changeset
   130
            # can't use write rql queries at this point, use raw sql
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parents: 1630
diff changeset
   131
            session.system_sql('UPDATE %(p)sCWEType SET %(p)sname=%%(n)s WHERE %(p)seid=%%(x)s'
642a1a120a92 should use sql prefix here
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parents: 1630
diff changeset
   132
                               % {'p': sqlutils.SQL_PREFIX},
2044
d5589c5bc4e6 alter table in schema serial when a renamed type is detected
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parents: 1977
diff changeset
   133
                               {'x': eid, 'n': netype})
0
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parents:
diff changeset
   134
            session.system_sql('UPDATE entities SET type=%(n)s WHERE type=%(x)s',
2044
d5589c5bc4e6 alter table in schema serial when a renamed type is detected
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parents: 1977
diff changeset
   135
                               {'x': etype, 'n': netype})
d5589c5bc4e6 alter table in schema serial when a renamed type is detected
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parents: 1977
diff changeset
   136
            # XXX should be donne as well on sqlite based sources
d5589c5bc4e6 alter table in schema serial when a renamed type is detected
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   137
            if not etype in OLD_SCHEMA_TYPES and \
2172
cf8f9180e63e delete-trailing-whitespace
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2044
diff changeset
   138
               (getattr(dbhelper, 'case_sensitive', False)
2044
d5589c5bc4e6 alter table in schema serial when a renamed type is detected
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parents: 1977
diff changeset
   139
                or etype.lower() != netype.lower()):
d5589c5bc4e6 alter table in schema serial when a renamed type is detected
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parents: 1977
diff changeset
   140
                session.system_sql('ALTER TABLE %s%s RENAME TO %s%s' % (
d5589c5bc4e6 alter table in schema serial when a renamed type is detected
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parents: 1977
diff changeset
   141
                    sqlutils.SQL_PREFIX, etype, sqlutils.SQL_PREFIX, netype))
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   142
            session.commit(False)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   143
            try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   144
                session.system_sql('UPDATE deleted_entities SET type=%(n)s WHERE type=%(x)s',
2044
d5589c5bc4e6 alter table in schema serial when a renamed type is detected
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parents: 1977
diff changeset
   145
                                   {'x': etype, 'n': netype})
0
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parents:
diff changeset
   146
            except:
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parents:
diff changeset
   147
                pass
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parents:
diff changeset
   148
            tocleanup = [eid]
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parents: 1398
diff changeset
   149
            tocleanup += (eid for eid, (eidetype, uri, extid) in repo._type_source_cache.items()
0
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parents:
diff changeset
   150
                          if etype == eidetype)
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parents: 1398
diff changeset
   151
            repo.clear_caches(tocleanup)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   152
            session.commit(False)
2044
d5589c5bc4e6 alter table in schema serial when a renamed type is detected
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parents: 1977
diff changeset
   153
            etype = netype
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a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2044
diff changeset
   154
        etype = ybo.EntityType(name=etype, description=desc, eid=eid)
0
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parents:
diff changeset
   155
        eschema = schema.add_entity_type(etype)
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parents:
diff changeset
   156
        index[eid] = eschema
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   157
        set_perms(eschema, permsdict.get(eid, {}))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   158
    try:
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5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   159
        rset = session.execute('Any XN, ETN WHERE X is CWEType, X name XN, '
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   160
                               'X specializes ET, ET name ETN')
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   161
    except: # `specializes` relation not available for versions prior to 2.50
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   162
        session.rollback(False)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   163
    else:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   164
        for etype, stype in rset:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   165
            eschema = schema.eschema(etype)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   166
            seschema = schema.eschema(stype)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   167
            eschema._specialized_type = stype
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   168
            seschema._specialized_by.append(etype)
2126
a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2044
diff changeset
   169
    for eid, rtype, desc, sym, il in session.execute(
a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2044
diff changeset
   170
        'Any X,N,D,S,I WHERE X is CWRType, X name N, X description D, '
a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2044
diff changeset
   171
        'X symetric S, X inlined I', build_descr=False):
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   172
        try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   173
            # bw compat: fulltext_container added in 2.47
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   174
            ft_container = session.execute('Any FTC WHERE X eid %(x)s, X fulltext_container FTC',
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   175
                                           {'x': eid}).rows[0][0]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   176
        except:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   177
            ft_container = None
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   178
            session.rollback(False)
2126
a25859917ccc stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2044
diff changeset
   179
        rtype = ybo.RelationType(name=rtype, description=desc,
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   180
                                 symetric=bool(sym), inlined=bool(il),
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   181
                                 fulltext_container=ft_container, eid=eid)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   182
        rschema = schema.add_relation_type(rtype)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   183
        index[eid] = rschema
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   184
        set_perms(rschema, permsdict.get(eid, {}))
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   185
    cstrsdict = deserialize_rdef_constraints(session)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   186
    for values in session.execute(
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   187
        'Any X,SE,RT,OE,CARD,ORD,DESC,IDX,FTIDX,I18N,DFLT WHERE X is CWAttribute,'
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   188
        'X relation_type RT, X cardinality CARD, X ordernum ORD, X indexed IDX,'
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   189
        'X description DESC, X internationalizable I18N, X defaultval DFLT,'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   190
        'X fulltextindexed FTIDX, X from_entity SE, X to_entity OE',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   191
        build_descr=False):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   192
        rdefeid, seid, reid, teid, card, ord, desc, idx, ftidx, i18n, default = values
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   193
        constraints = cstrsdict.get(rdefeid, ())
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   194
        frometype = index[seid].type
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   195
        rtype = index[reid].type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   196
        toetype = index[teid].type
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   197
        rdef = ybo.RelationDefinition(frometype, rtype, toetype, cardinality=card,
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   198
                                  order=ord, description=desc,
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   199
                                  constraints=constraints,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   200
                                  indexed=idx, fulltextindexed=ftidx,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   201
                                  internationalizable=i18n,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   202
                                  default=default, eid=rdefeid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   203
        schema.add_relation_def(rdef)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   204
    for values in session.execute(
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   205
        'Any X,SE,RT,OE,CARD,ORD,DESC,C WHERE X is CWRelation, X relation_type RT,'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   206
        'X cardinality CARD, X ordernum ORD, X description DESC, '
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   207
        'X from_entity SE, X to_entity OE, X composite C', build_descr=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   208
        rdefeid, seid, reid, teid, card, ord, desc, c = values
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   209
        frometype = index[seid].type
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   210
        rtype = index[reid].type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   211
        toetype = index[teid].type
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   212
        constraints = cstrsdict.get(rdefeid, ())
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   213
        rdef = ybo.RelationDefinition(frometype, rtype, toetype, cardinality=card,
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   214
                                  order=ord, description=desc,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   215
                                  composite=c, constraints=constraints,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   216
                                  eid=rdefeid)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   217
        schema.add_relation_def(rdef)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   218
    schema.infer_specialization_rules()
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   219
    if _3_2_migration:
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   220
        _update_database(schema, sqlcu)
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   221
        _set_sql_prefix('cw_')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   222
    session.commit()
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   223
    schema.reading_from_database = False
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   224
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   225
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   226
def deserialize_ertype_permissions(session):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   227
    """return sect action:groups associations for the given
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   228
    entity or relation schema with its eid, according to schema's
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   229
    permissions stored in the database as [read|add|delete|update]_permission
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   230
    relations between CWEType/CWRType and CWGroup entities
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   231
    """
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   232
    res = {}
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   233
    for action in ('read', 'add', 'update', 'delete'):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   234
        rql = 'Any E,N WHERE G is CWGroup, G name N, E %s_permission G' % action
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   235
        for eid, gname in session.execute(rql, build_descr=False):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   236
            res.setdefault(eid, {}).setdefault(action, []).append(gname)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   237
        rql = ('Any E,X,EXPR,V WHERE X is RQLExpression, X expression EXPR, '
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   238
               'E %s_permission X, X mainvars V' % action)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   239
        for eid, expreid, expr, mainvars in session.execute(rql, build_descr=False):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   240
            # we don't know yet if it's a rql expr for an entity or a relation,
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   241
            # so append a tuple to differentiate from groups and so we'll be
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   242
            # able to instantiate it later
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   243
            res.setdefault(eid, {}).setdefault(action, []).append( (expr, mainvars, expreid) )
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   244
    return res
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   245
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   246
def set_perms(erschema, permsdict):
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   247
    """set permissions on the given erschema according to the permission
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   248
    definition dictionary as built by deserialize_ertype_permissions for a
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   249
    given erschema's eid
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   250
    """
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   251
    for action in erschema.ACTIONS:
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   252
        actperms = []
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   253
        for something in permsdict.get(action, ()):
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   254
            if isinstance(something, tuple):
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   255
                actperms.append(erschema.rql_expression(*something))
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   256
            else: # group name
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   257
                actperms.append(something)
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41aadba8b29f delete-trailing-whitespaces, check table existance
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diff changeset
   258
        erschema.set_permissions(action, actperms)
0
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   259
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   260
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   261
def deserialize_rdef_constraints(session):
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   262
    """return the list of relation definition's constraints as instances"""
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   263
    res = {}
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diff changeset
   264
    for rdefeid, ceid, ct, val in session.execute(
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5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   265
        'Any E, X,TN,V WHERE E constrained_by X, X is CWConstraint, '
0
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   266
        'X cstrtype T, T name TN, X value V', build_descr=False):
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   267
        cstr = CONSTRAINTS[ct].deserialize(val)
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   268
        cstr.eid = ceid
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   269
        res.setdefault(rdefeid, []).append(cstr)
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   270
    return res
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diff changeset
   271
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diff changeset
   272
0
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   273
# schema / perms serialization ################################################
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   274
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   275
def serialize_schema(cursor, schema, verbose=False):
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   276
    """synchronize schema and permissions in the database according to
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   277
    current schema
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   278
    """
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8bfb99d7bbcc [cw-ctl] improve dialog messages
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2395
diff changeset
   279
    _title = '-> storing the schema in the database '
8bfb99d7bbcc [cw-ctl] improve dialog messages
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parents: 2395
diff changeset
   280
    print _title,
0
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   281
    eschemas = schema.entities()
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   282
    aller = eschemas + schema.relations()
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   283
    if not verbose:
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   284
        pb_size = len(aller) + len(CONSTRAINTS) + len([x for x in eschemas if x.specializes()])
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8bfb99d7bbcc [cw-ctl] improve dialog messages
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parents: 2395
diff changeset
   285
        pb = ProgressBar(pb_size, title=_title)
2597
d9c5a7e0563c [C schema seria] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   286
    rql = 'INSERT CWConstraintType X: X name %(ct)s'
0
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parents:
diff changeset
   287
    for cstrtype in CONSTRAINTS:
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diff changeset
   288
        if verbose:
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   289
            print rql
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d9c5a7e0563c [C schema seria] cleanup
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parents: 2596
diff changeset
   290
        cursor.execute(rql, {'ct': unicode(cstrtype)})
0
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diff changeset
   291
        if not verbose:
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diff changeset
   292
            pb.update()
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diff changeset
   293
    groupmap = group_mapping(cursor, interactive=False)
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parents:
diff changeset
   294
    for ertype in aller:
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diff changeset
   295
        # 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
   296
        if ertype in VIRTUAL_RTYPES:
0
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parents:
diff changeset
   297
            pb.update()
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diff changeset
   298
            continue
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diff changeset
   299
        for rql, kwargs in erschema2rql(schema[ertype]):
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diff changeset
   300
            if verbose:
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diff changeset
   301
                print rql % kwargs
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   302
            cursor.execute(rql, kwargs)
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diff changeset
   303
        for rql, kwargs in erperms2rql(schema[ertype], groupmap):
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parents:
diff changeset
   304
            if verbose:
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parents:
diff changeset
   305
                print rql
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parents:
diff changeset
   306
            cursor.execute(rql, kwargs)
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parents:
diff changeset
   307
        if not verbose:
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parents:
diff changeset
   308
            pb.update()
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parents:
diff changeset
   309
    for rql, kwargs in specialize2rql(schema):
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parents:
diff changeset
   310
        if verbose:
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parents:
diff changeset
   311
            print rql % kwargs
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parents:
diff changeset
   312
        cursor.execute(rql, kwargs)
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parents:
diff changeset
   313
        if not verbose:
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parents:
diff changeset
   314
            pb.update()
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parents:
diff changeset
   315
    print
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parents:
diff changeset
   316
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parents:
diff changeset
   317
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diff changeset
   318
def _ervalues(erschema):
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parents:
diff changeset
   319
    try:
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diff changeset
   320
        type_ = unicode(erschema.type)
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parents:
diff changeset
   321
    except UnicodeDecodeError, e:
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diff changeset
   322
        raise Exception("can't decode %s [was %s]" % (erschema.type, e))
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parents:
diff changeset
   323
    try:
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parents:
diff changeset
   324
        desc = unicode(erschema.description) or u''
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   325
    except UnicodeDecodeError, e:
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parents:
diff changeset
   326
        raise Exception("can't decode %s [was %s]" % (erschema.description, e))
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parents:
diff changeset
   327
    return {
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parents:
diff changeset
   328
        'name': type_,
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parents:
diff changeset
   329
        'final': erschema.is_final(),
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parents:
diff changeset
   330
        'description': desc,
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parents:
diff changeset
   331
        }
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parents:
diff changeset
   332
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parents:
diff changeset
   333
def eschema_relations_values(eschema):
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parents:
diff changeset
   334
    values = _ervalues(eschema)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   335
    relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)]
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parents:
diff changeset
   336
    return relations, values
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parents:
diff changeset
   337
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parents:
diff changeset
   338
# XXX 2.47 migration
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parents:
diff changeset
   339
HAS_FULLTEXT_CONTAINER = True
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parents:
diff changeset
   340
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diff changeset
   341
def rschema_relations_values(rschema):
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parents:
diff changeset
   342
    values = _ervalues(rschema)
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parents:
diff changeset
   343
    values['final'] = rschema.is_final()
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parents:
diff changeset
   344
    values['symetric'] = rschema.symetric
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parents:
diff changeset
   345
    values['inlined'] = rschema.inlined
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parents:
diff changeset
   346
    if HAS_FULLTEXT_CONTAINER:
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parents:
diff changeset
   347
        if isinstance(rschema.fulltext_container, str):
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parents:
diff changeset
   348
            values['fulltext_container'] = unicode(rschema.fulltext_container)
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parents:
diff changeset
   349
        else:
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parents:
diff changeset
   350
            values['fulltext_container'] = rschema.fulltext_container
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parents:
diff changeset
   351
    relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)]
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parents:
diff changeset
   352
    return relations, values
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parents:
diff changeset
   353
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diff changeset
   354
def _rdef_values(rschema, objtype, props):
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parents:
diff changeset
   355
    amap = {'order': 'ordernum'}
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parents:
diff changeset
   356
    values = {}
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parents:
diff changeset
   357
    for prop, default in rschema.rproperty_defs(objtype).iteritems():
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parents:
diff changeset
   358
        if prop in ('eid', 'constraints', 'uid', 'infered'):
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parents:
diff changeset
   359
            continue
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parents:
diff changeset
   360
        value = props.get(prop, default)
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parents:
diff changeset
   361
        if prop in ('indexed', 'fulltextindexed', 'internationalizable'):
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parents:
diff changeset
   362
            value = bool(value)
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parents:
diff changeset
   363
        elif prop == 'ordernum':
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
            value = int(value)
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parents:
diff changeset
   365
        elif isinstance(value, str):
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parents:
diff changeset
   366
            value = unicode(value)
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parents:
diff changeset
   367
        values[amap.get(prop, prop)] = value
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parents:
diff changeset
   368
    return values
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41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   369
0
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parents:
diff changeset
   370
def nfrdef_relations_values(rschema, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   371
    values = _rdef_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   372
    relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   373
    return relations, values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   374
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   375
def frdef_relations_values(rschema, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   376
    values = _rdef_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   377
    default = values['default']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   378
    del values['default']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   379
    if default is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   380
        if default is False:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   381
            default = u''
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   382
        elif not isinstance(default, unicode):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   383
            default = unicode(default)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   384
    values['defaultval'] = default
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   385
    relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   386
    return relations, values
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   387
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   388
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   389
def __rdef2rql(genmap, rschema, subjtype=None, objtype=None, props=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   390
    if subjtype is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   391
        assert objtype is None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   392
        assert props is None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   393
        targets = rschema.iter_rdefs()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   394
    else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   395
        assert not objtype is None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   396
        targets = [(subjtype, objtype)]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   397
    for subjtype, objtype in targets:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   398
        if props is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   399
            _props = rschema.rproperties(subjtype, objtype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   400
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   401
            _props = props
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   402
        # don't serialize infered relations
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   403
        if _props.get('infered'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   404
            continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   405
        gen = genmap[rschema.is_final()]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   406
        for rql, values in gen(rschema, subjtype, objtype, _props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   407
            yield rql, values
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   408
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   409
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   410
def schema2rql(schema, skip=None, allow=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   411
    """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
   412
    database as CWRType and CWEType entities
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   413
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   414
    assert not (skip is not None and allow is not None), \
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
           'can\'t use both skip and allow'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   416
    all = schema.entities() + schema.relations()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   417
    if skip is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   418
        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
   419
    elif allow is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   420
        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
   421
    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
   422
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   423
def erschema2rql(erschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
    if isinstance(erschema, schemamod.EntitySchema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   425
        return eschema2rql(erschema)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
    return rschema2rql(erschema)
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
def eschema2rql(eschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   429
    """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
   430
    in the database as an CWEType entity
0
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
    relations, values = eschema_relations_values(eschema)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
    # NOTE: 'specializes' relation can't be inserted here since there's no
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   434
    # 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
   435
    yield 'INSERT CWEType X: %s' % ','.join(relations) , values
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437
def specialize2rql(schema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   438
    for eschema in schema.entities():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   439
        for rql, kwargs in eschemaspecialize2rql(eschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   440
            yield rql, kwargs
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   441
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
def eschemaspecialize2rql(eschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   443
    specialized_type = eschema.specializes()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
    if specialized_type:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   445
        values = {'x': eschema.type, 'et': specialized_type.type}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   446
        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
   447
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
def rschema2rql(rschema, addrdef=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
    """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
   450
    in the database as an CWRType entity
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   451
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   452
    if rschema.type == 'has_text':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   453
        return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
    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
   455
    yield 'INSERT CWRType X: %s' % ','.join(relations), values
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   456
    if addrdef:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   457
        for rql, values in rdef2rql(rschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   458
            yield rql, values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   459
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   460
def rdef2rql(rschema, subjtype=None, objtype=None, props=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   461
    genmap = {True: frdef2rql, False: nfrdef2rql}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   462
    return __rdef2rql(genmap, rschema, subjtype, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   463
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   464
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   465
_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
   466
_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
   467
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   468
def frdef2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   469
    relations, values = frdef_relations_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   470
    relations.append(_LOCATE_RDEF_RQL0)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   471
    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
   472
    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
   473
    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
   474
        yield rql + ', EDEF is CWAttribute', values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   475
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   476
def nfrdef2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   477
    relations, values = nfrdef_relations_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   478
    relations.append(_LOCATE_RDEF_RQL0)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
    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
   480
    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
   481
    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
   482
        yield rql + ', EDEF is CWRelation', values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   483
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   484
def rdefrelations2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   485
    iterators = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   486
    for constraint in props['constraints']:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   487
        iterators.append(constraint2rql(rschema, subjtype, objtype, constraint))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   488
    return chain(*iterators)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   489
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   490
def constraint2rql(rschema, subjtype, objtype, constraint):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
    values = {'ctname': unicode(constraint.type()),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   492
              'value': unicode(constraint.serialize()),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   493
              '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
   494
    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
   495
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
   496
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
   497
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   498
def perms2rql(schema, groupmapping):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   499
    """return rql insert statements to enter the schema's permissions in
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
    the database as [read|add|delete|update]_permission relations between
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   501
    CWEType/CWRType and CWGroup entities
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   502
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   503
    groupmapping is a dictionnary mapping standard group names to
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
    eids
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
    for etype in sorted(schema.entities()):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   507
        yield erperms2rql(schema[etype], groupmapping)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   508
    for rtype in sorted(schema.relations()):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   509
        yield erperms2rql(schema[rtype], groupmapping)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   510
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   511
def erperms2rql(erschema, groupmapping):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   512
    """return rql insert statements to enter the entity or relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   513
    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
   514
    [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
   515
    and CWGroup entities
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   516
    """
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 0
diff changeset
   517
    etype = isinstance(erschema, schemamod.EntitySchema) and 'CWEType' or 'CWRType'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   518
    for action in erschema.ACTIONS:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   519
        for group in sorted(erschema.get_groups(action)):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   521
                yield ('SET X %s_permission Y WHERE X is %s, X name "%s", Y eid %s'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
                       % (action, etype, erschema, groupmapping[group]), None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
            except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   524
                continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
        for rqlexpr in sorted(erschema.get_rqlexprs(action)):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
            yield ('INSERT RQLExpression E: E expression %%(e)s, E exprtype %%(t)s, '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   527
                   'E mainvars %%(v)s, X %s_permission E '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   528
                   'WHERE X is %s, X name "%s"' % (action, etype, erschema),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   529
                   {'e': unicode(rqlexpr.expression), 'v': unicode(rqlexpr.mainvars),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   530
                    't': unicode(rqlexpr.__class__.__name__)})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   531
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   532
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   533
def updateeschema2rql(eschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   534
    relations, values = eschema_relations_values(eschema)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   535
    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
   536
    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
   537
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   538
def updaterschema2rql(rschema):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
    relations, values = rschema_relations_values(rschema)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
    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
   541
    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
   542
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   543
def updaterdef2rql(rschema, subjtype=None, objtype=None, props=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   544
    genmap = {True: updatefrdef2rql, False: updatenfrdef2rql}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   545
    return __rdef2rql(genmap, rschema, subjtype, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   546
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
def updatefrdef2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   548
    relations, values = frdef_relations_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   549
    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
   550
    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
   551
                                                     _LOCATE_RDEF_RQL0,
d9c5a7e0563c [C schema seria] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   552
                                                     _LOCATE_RDEF_RQL1), values
1630
41aadba8b29f delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   553
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   554
def updatenfrdef2rql(rschema, subjtype, objtype, props):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   555
    relations, values = nfrdef_relations_values(rschema, objtype, props)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   556
    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
   557
    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
   558
                                                    _LOCATE_RDEF_RQL0,
d9c5a7e0563c [C schema seria] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   559
                                                    _LOCATE_RDEF_RQL1), values