server/migractions.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Fri, 24 Jul 2009 14:33:37 +0200
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application -> instance where it makes sense
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"""a class implementing basic actions used in migration scripts.
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The following schema actions are supported for now:
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* add/drop/rename attribute
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* add/drop entity/relation type
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* rename entity type
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The following data actions are supported for now:
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* add an entity
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* execute raw RQL queries
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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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import os
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from os.path import join, exists
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from datetime import datetime
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from logilab.common.deprecation import deprecated_function, obsolete
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from logilab.common.decorators import cached, clear_cache
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from logilab.common.adbh import get_adv_func_helper
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from yams.constraints import SizeConstraint
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from yams.schema2sql import eschema2sql, rschema2sql
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from cubicweb import AuthenticationError, ETYPE_NAME_MAP
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from cubicweb.schema import CubicWebRelationSchema
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from cubicweb.dbapi import get_repository, repo_connect
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from cubicweb.common.migration import MigrationHelper, yes
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try:
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    from cubicweb.server import SOURCE_TYPES, schemaserial as ss
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    from cubicweb.server.utils import manager_userpasswd, ask_source_config
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    from cubicweb.server.sqlutils import sqlexec, SQL_PREFIX
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except ImportError: # LAX
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    pass
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class ServerMigrationHelper(MigrationHelper):
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    """specific migration helper for server side  migration scripts,
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    providind actions related to schema/data migration
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    """
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    def __init__(self, config, schema, interactive=True,
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                 repo=None, cnx=None, verbosity=1, connect=True):
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        MigrationHelper.__init__(self, config, interactive, verbosity)
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        if not interactive:
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            assert cnx
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            assert repo
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        if cnx is not None:
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            assert repo
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            self._cnx = cnx
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            self.repo = repo
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        elif connect:
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            self.repo_connect()
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        if not schema:
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            schema = config.load_schema(expand_cubes=True)
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        self.fs_schema = schema
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        self._synchronized = set()
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    # overriden from base MigrationHelper ######################################
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    @cached
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    def repo_connect(self):
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        self.repo = get_repository(method='inmemory', config=self.config)
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        return self.repo
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    def cube_upgraded(self, cube, version):
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        self.cmd_set_property('system.version.%s' % cube.lower(),
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                              unicode(version))
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        self.commit()
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    def shutdown(self):
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        if self.repo is not None:
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            self.repo.shutdown()
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    def migrate(self, vcconf, toupgrade, options):
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        if not options.fs_only:
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            if options.backup_db is None:
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                self.backup_database()
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            elif options.backup_db:
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                self.backup_database(askconfirm=False)
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        super(ServerMigrationHelper, self).migrate(vcconf, toupgrade, options)
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    def process_script(self, migrscript, funcname=None, *args, **kwargs):
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        """execute a migration script
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        in interactive mode,  display the migration script path, ask for
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        confirmation and execute it if confirmed
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        """
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        try:
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            if migrscript.endswith('.sql'):
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                if self.execscript_confirm(migrscript):
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                    sqlexec(open(migrscript).read(), self.session.system_sql)
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            else:
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                return super(ServerMigrationHelper, self).process_script(
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                    migrscript, funcname, *args, **kwargs)
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            self.commit()
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        except:
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            self.rollback()
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            raise
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    # server specific migration methods ########################################
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0
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    def backup_database(self, backupfile=None, askconfirm=True):
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        config = self.config
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        source = config.sources()['system']
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        helper = get_adv_func_helper(source['db-driver'])
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        date = datetime.now().strftime('%Y-%m-%d_%H:%M:%S')
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        app = config.appid
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        backupfile = backupfile or join(config.backup_dir(),
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                                        '%s-%s.dump' % (app, date))
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        if exists(backupfile):
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            if not self.confirm('a backup already exists for %s, overwrite it?' % app):
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                return
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        elif askconfirm and not self.confirm('backup %s database?' % app):
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            return
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        cmd = helper.backup_command(source['db-name'], source.get('db-host'),
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                                    source.get('db-user'), backupfile,
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                                    keepownership=False)
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   126
        while True:
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            print cmd
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   128
            if os.system(cmd):
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                print 'error while backuping the base'
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                answer = self.confirm('continue anyway?',
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                                      shell=False, abort=False, retry=True)
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                if not answer:
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                    raise SystemExit(1)
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                if answer == 1: # 1: continue, 2: retry
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                    break
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   136
            else:
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   137
                from cubicweb.toolsutils import restrict_perms_to_user
0
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                print 'database backup:', backupfile
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   139
                restrict_perms_to_user(backupfile, self.info)
0
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                break
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   141
0
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   142
    def restore_database(self, backupfile, drop=True):
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   143
        config = self.config
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   144
        source = config.sources()['system']
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   145
        helper = get_adv_func_helper(source['db-driver'])
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   146
        app = config.appid
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   147
        if not exists(backupfile):
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   148
            raise Exception("backup file %s doesn't exist" % backupfile)
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   149
        if self.confirm('restore %s database from %s ?' % (app, backupfile)):
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   150
            for cmd in helper.restore_commands(source['db-name'], source.get('db-host'),
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   151
                                               source.get('db-user'), backupfile,
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   152
                                               source['db-encoding'],
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   153
                                               keepownership=False, drop=drop):
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   154
                while True:
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   155
                    print cmd
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   156
                    if os.system(cmd):
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   157
                        print 'error while restoring the base'
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   158
                        answer = self.confirm('continue anyway?',
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   159
                                              shell=False, abort=False, retry=True)
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   160
                        if not answer:
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   161
                            raise SystemExit(1)
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   162
                        if answer == 1: # 1: continue, 2: retry
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   163
                            break
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diff changeset
   164
                    else:
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   165
                        break
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   166
            print 'database restored'
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diff changeset
   167
0
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   168
    @property
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   169
    def cnx(self):
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        """lazy connection"""
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   171
        try:
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   172
            return self._cnx
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   173
        except AttributeError:
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   174
            sourcescfg = self.repo.config.sources()
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   175
            try:
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   176
                login = sourcescfg['admin']['login']
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   177
                pwd = sourcescfg['admin']['password']
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   178
            except KeyError:
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   179
                login, pwd = manager_userpasswd()
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   180
            while True:
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   181
                try:
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   182
                    self._cnx = repo_connect(self.repo, login, pwd)
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   183
                    if not 'managers' in self._cnx.user(self.session).groups:
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parents:
diff changeset
   184
                        print 'migration need an account in the managers group'
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parents:
diff changeset
   185
                    else:
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parents:
diff changeset
   186
                        break
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parents:
diff changeset
   187
                except AuthenticationError:
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   188
                    print 'wrong user/password'
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parents:
diff changeset
   189
                except (KeyboardInterrupt, EOFError):
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parents:
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   190
                    print 'aborting...'
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parents:
diff changeset
   191
                    sys.exit(0)
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parents:
diff changeset
   192
                try:
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parents:
diff changeset
   193
                    login, pwd = manager_userpasswd()
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parents:
diff changeset
   194
                except (KeyboardInterrupt, EOFError):
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parents:
diff changeset
   195
                    print 'aborting...'
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parents:
diff changeset
   196
                    sys.exit(0)
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parents:
diff changeset
   197
            return self._cnx
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diff changeset
   198
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   199
    @property
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   200
    def session(self):
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   201
        return self.repo._get_session(self.cnx.sessionid)
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diff changeset
   202
0
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diff changeset
   203
    @property
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   204
    @cached
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   205
    def rqlcursor(self):
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   206
        """lazy rql cursor"""
1080
7437abc17e02 should not give session as cnx.cursor(), else we may try to execute some query while no pool is set on the session
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parents: 972
diff changeset
   207
        # should not give session as cnx.cursor(), else we may try to execute
7437abc17e02 should not give session as cnx.cursor(), else we may try to execute some query while no pool is set on the session
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diff changeset
   208
        # some query while no pool is set on the session (eg on entity attribute
7437abc17e02 should not give session as cnx.cursor(), else we may try to execute some query while no pool is set on the session
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parents: 972
diff changeset
   209
        # access for instance)
7437abc17e02 should not give session as cnx.cursor(), else we may try to execute some query while no pool is set on the session
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diff changeset
   210
        return self.cnx.cursor()
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diff changeset
   211
0
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diff changeset
   212
    def commit(self):
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parents:
diff changeset
   213
        if hasattr(self, '_cnx'):
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diff changeset
   214
            self._cnx.commit()
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diff changeset
   215
0
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parents:
diff changeset
   216
    def rollback(self):
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parents:
diff changeset
   217
        if hasattr(self, '_cnx'):
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diff changeset
   218
            self._cnx.rollback()
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diff changeset
   219
0
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diff changeset
   220
    def rqlexecall(self, rqliter, cachekey=None, ask_confirm=True):
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parents:
diff changeset
   221
        for rql, kwargs in rqliter:
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diff changeset
   222
            self.rqlexec(rql, kwargs, cachekey, ask_confirm)
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parents:
diff changeset
   223
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diff changeset
   224
    @cached
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diff changeset
   225
    def _create_context(self):
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diff changeset
   226
        """return a dictionary to use as migration script execution context"""
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diff changeset
   227
        context = super(ServerMigrationHelper, self)._create_context()
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diff changeset
   228
        context.update({'checkpoint': self.checkpoint,
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diff changeset
   229
                        'sql': self.sqlexec,
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diff changeset
   230
                        'rql': self.rqlexec,
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diff changeset
   231
                        'rqliter': self.rqliter,
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diff changeset
   232
                        'schema': self.repo.schema,
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
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diff changeset
   233
                        'fsschema': self.fs_schema,
0
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parents:
diff changeset
   234
                        'session' : self.session,
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parents:
diff changeset
   235
                        'repo' : self.repo,
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parents: 1477
diff changeset
   236
                        'synchronize_schema': deprecated_function(self.cmd_sync_schema_props_perms),
a3e2b079de00 previous form actually worked??
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parents: 1477
diff changeset
   237
                        'synchronize_eschema': deprecated_function(self.cmd_sync_schema_props_perms),
a3e2b079de00 previous form actually worked??
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parents: 1477
diff changeset
   238
                        'synchronize_rschema': deprecated_function(self.cmd_sync_schema_props_perms),
0
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parents:
diff changeset
   239
                        })
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parents:
diff changeset
   240
        return context
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parents:
diff changeset
   241
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parents:
diff changeset
   242
    @cached
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parents:
diff changeset
   243
    def group_mapping(self):
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diff changeset
   244
        """cached group mapping"""
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diff changeset
   245
        return ss.group_mapping(self.rqlcursor)
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diff changeset
   246
0
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parents:
diff changeset
   247
    def exec_event_script(self, event, cubepath=None, funcname=None,
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diff changeset
   248
                          *args, **kwargs):
0
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parents:
diff changeset
   249
        if cubepath:
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diff changeset
   250
            apc = join(cubepath, 'migration', '%s.py' % event)
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parents:
diff changeset
   251
        else:
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diff changeset
   252
            apc = join(self.config.migration_scripts_dir(), '%s.py' % event)
b97547f5f1fa Showtime !
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parents:
diff changeset
   253
        if exists(apc):
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parents:
diff changeset
   254
            if self.config.free_wheel:
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parents:
diff changeset
   255
                from cubicweb.server.hooks import setowner_after_add_entity
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parents:
diff changeset
   256
                self.repo.hm.unregister_hook(setowner_after_add_entity,
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parents:
diff changeset
   257
                                             'after_add_entity', '')
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                self.deactivate_verification_hooks()
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            self.info('executing %s', apc)
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            confirm = self.confirm
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            execscript_confirm = self.execscript_confirm
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            self.confirm = yes
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            self.execscript_confirm = yes
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            try:
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                return self.process_script(apc, funcname, *args, **kwargs)
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            finally:
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                self.confirm = confirm
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                self.execscript_confirm = execscript_confirm
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                if self.config.free_wheel:
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                    self.repo.hm.register_hook(setowner_after_add_entity,
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                                               'after_add_entity', '')
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                    self.reactivate_verification_hooks()
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    # schema synchronization internals ########################################
0
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    def _synchronize_permissions(self, ertype):
0
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        """permission synchronization for an entity or relation type"""
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        if ertype in ('eid', 'has_text', 'identity'):
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            return
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        newrschema = self.fs_schema[ertype]
0
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        teid = self.repo.schema[ertype].eid
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        if 'update' in newrschema.ACTIONS or newrschema.is_final():
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            # entity type
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            exprtype = u'ERQLExpression'
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   285
        else:
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            # relation type
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            exprtype = u'RRQLExpression'
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        assert teid, ertype
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        gm = self.group_mapping()
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   290
        confirm = self.verbosity >= 2
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   291
        # * remove possibly deprecated permission (eg in the persistent schema
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        #   but not in the new schema)
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        # * synchronize existing expressions
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        # * add new groups/expressions
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   295
        for action in newrschema.ACTIONS:
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   296
            perm = '%s_permission' % action
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            # handle groups
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   298
            newgroups = list(newrschema.get_groups(action))
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            for geid, gname in self.rqlexec('Any G, GN WHERE T %s G, G name GN, '
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                                            'T eid %%(x)s' % perm, {'x': teid}, 'x',
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   301
                                            ask_confirm=False):
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   302
                if not gname in newgroups:
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   303
                    if not confirm or self.confirm('remove %s permission of %s to %s?'
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   304
                                                   % (action, ertype, gname)):
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   305
                        self.rqlexec('DELETE T %s G WHERE G eid %%(x)s, T eid %s'
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   306
                                     % (perm, teid),
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   307
                                     {'x': geid}, 'x', ask_confirm=False)
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   308
                else:
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   309
                    newgroups.remove(gname)
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   310
            for gname in newgroups:
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   311
                if not confirm or self.confirm('grant %s permission of %s to %s?'
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   312
                                               % (action, ertype, gname)):
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   313
                    self.rqlexec('SET T %s G WHERE G eid %%(x)s, T eid %s'
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   314
                                 % (perm, teid),
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   315
                                 {'x': gm[gname]}, 'x', ask_confirm=False)
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   316
            # handle rql expressions
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   317
            newexprs = dict((expr.expression, expr) for expr in newrschema.get_rqlexprs(action))
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   318
            for expreid, expression in self.rqlexec('Any E, EX WHERE T %s E, E expression EX, '
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   319
                                                    'T eid %s' % (perm, teid),
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   320
                                                    ask_confirm=False):
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   321
                if not expression in newexprs:
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   322
                    if not confirm or self.confirm('remove %s expression for %s permission of %s?'
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diff changeset
   323
                                                   % (expression, action, ertype)):
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   324
                        # deleting the relation will delete the expression entity
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   325
                        self.rqlexec('DELETE T %s E WHERE E eid %%(x)s, T eid %s'
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   326
                                     % (perm, teid),
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   327
                                     {'x': expreid}, 'x', ask_confirm=False)
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diff changeset
   328
                else:
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   329
                    newexprs.pop(expression)
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   330
            for expression in newexprs.values():
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diff changeset
   331
                expr = expression.expression
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   332
                if not confirm or self.confirm('add %s expression for %s permission of %s?'
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diff changeset
   333
                                               % (expr, action, ertype)):
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diff changeset
   334
                    self.rqlexec('INSERT RQLExpression X: X exprtype %%(exprtype)s, '
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diff changeset
   335
                                 'X expression %%(expr)s, X mainvars %%(vars)s, T %s X '
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   336
                                 'WHERE T eid %%(x)s' % perm,
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diff changeset
   337
                                 {'expr': expr, 'exprtype': exprtype,
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   338
                                  'vars': expression.mainvars, 'x': teid}, 'x',
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diff changeset
   339
                                 ask_confirm=False)
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   340
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   341
    def _synchronize_rschema(self, rtype, syncrdefs=True, syncperms=True):
0
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   342
        """synchronize properties of the persistent relation schema against its
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   343
        current definition:
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   344
0
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   345
        * description
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diff changeset
   346
        * symetric, meta
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diff changeset
   347
        * inlined
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diff changeset
   348
        * relation definitions if `syncrdefs`
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   349
        * permissions if `syncperms`
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   350
0
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diff changeset
   351
        physical schema changes should be handled by repository's schema hooks
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diff changeset
   352
        """
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diff changeset
   353
        rtype = str(rtype)
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   354
        if rtype in self._synchronized:
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diff changeset
   355
            return
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diff changeset
   356
        self._synchronized.add(rtype)
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   357
        rschema = self.fs_schema.rschema(rtype)
0
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diff changeset
   358
        self.rqlexecall(ss.updaterschema2rql(rschema),
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diff changeset
   359
                        ask_confirm=self.verbosity>=2)
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diff changeset
   360
        reporschema = self.repo.schema.rschema(rtype)
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diff changeset
   361
        if syncrdefs:
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diff changeset
   362
            for subj, obj in rschema.iter_rdefs():
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diff changeset
   363
                if not reporschema.has_rdef(subj, obj):
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diff changeset
   364
                    continue
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   365
                self._synchronize_rdef_schema(subj, rschema, obj)
0
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diff changeset
   366
        if syncperms:
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   367
            self._synchronize_permissions(rtype)
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   368
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   369
    def _synchronize_eschema(self, etype, syncperms=True):
0
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   370
        """synchronize properties of the persistent entity schema against
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diff changeset
   371
        its current definition:
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diff changeset
   372
0
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diff changeset
   373
        * description
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diff changeset
   374
        * internationalizable, fulltextindexed, indexed, meta
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diff changeset
   375
        * relations from/to this entity
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diff changeset
   376
        * permissions if `syncperms`
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diff changeset
   377
        """
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diff changeset
   378
        etype = str(etype)
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diff changeset
   379
        if etype in self._synchronized:
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diff changeset
   380
            return
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diff changeset
   381
        self._synchronized.add(etype)
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diff changeset
   382
        repoeschema = self.repo.schema.eschema(etype)
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parents:
diff changeset
   383
        try:
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diff changeset
   384
            eschema = self.fs_schema.eschema(etype)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   385
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   386
            return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   387
        repospschema = repoeschema.specializes()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   388
        espschema = eschema.specializes()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   389
        if repospschema and not espschema:
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   390
            self.rqlexec('DELETE X specializes Y WHERE X is CWEType, X name %(x)s',
447
0e52d72104a6 pylint fixes
sylvain.thenault@logilab.fr
parents: 366
diff changeset
   391
                         {'x': str(repoeschema)})
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   392
        elif not repospschema and espschema:
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   393
            self.rqlexec('SET X specializes Y WHERE X is CWEType, X name %(x)s, '
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   394
                         'Y is CWEType, Y name %(y)s',
447
0e52d72104a6 pylint fixes
sylvain.thenault@logilab.fr
parents: 366
diff changeset
   395
                         {'x': str(repoeschema), 'y': str(espschema)})
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   396
        self.rqlexecall(ss.updateeschema2rql(eschema),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   397
                        ask_confirm=self.verbosity >= 2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   398
        for rschema, targettypes, x in eschema.relation_definitions(True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   399
            if x == 'subject':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   400
                if not rschema in repoeschema.subject_relations():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   401
                    continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   402
                subjtypes, objtypes = [etype], targettypes
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   403
            else: # x == 'object'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   404
                if not rschema in repoeschema.object_relations():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   405
                    continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   406
                subjtypes, objtypes = targettypes, [etype]
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   407
            self._synchronize_rschema(rschema, syncperms=syncperms,
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   408
                                      syncrdefs=False)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   409
            reporschema = self.repo.schema.rschema(rschema)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   410
            for subj in subjtypes:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   411
                for obj in objtypes:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   412
                    if not reporschema.has_rdef(subj, obj):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   413
                        continue
1414
448c9802d7df does not apply any more
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1409
diff changeset
   414
                    self._synchronize_rdef_schema(subj, rschema, obj)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
        if syncperms:
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   416
            self._synchronize_permissions(etype)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   417
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   418
    def _synchronize_rdef_schema(self, subjtype, rtype, objtype):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   419
        """synchronize properties of the persistent relation definition schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   420
        against its current definition:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   421
        * order and other properties
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   422
        * constraints
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   423
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
        subjtype, objtype = str(subjtype), str(objtype)
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   425
        rschema = self.fs_schema.rschema(rtype)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
        reporschema = self.repo.schema.rschema(rschema)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   427
        if (subjtype, rschema, objtype) in self._synchronized:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   428
            return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   429
        self._synchronized.add((subjtype, rschema, objtype))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   430
        if rschema.symetric:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   431
            self._synchronized.add((objtype, rschema, subjtype))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   432
        confirm = self.verbosity >= 2
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
        # properties
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   434
        self.rqlexecall(ss.updaterdef2rql(rschema, subjtype, objtype),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   435
                        ask_confirm=confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
        # constraints
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437
        newconstraints = list(rschema.rproperty(subjtype, objtype, 'constraints'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   438
        # 1. remove old constraints and update constraints of the same type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   439
        # NOTE: don't use rschema.constraint_by_type because it may be
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   440
        #       out of sync with newconstraints when multiple
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   441
        #       constraints of the same type are used
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
        for cstr in reporschema.rproperty(subjtype, objtype, 'constraints'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   443
            for newcstr in newconstraints:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
                if newcstr.type() == cstr.type():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   445
                    break
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   446
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   447
                newcstr = None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
            if newcstr is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
                self.rqlexec('DELETE X constrained_by C WHERE C eid %(x)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   450
                             {'x': cstr.eid}, 'x',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   451
                             ask_confirm=confirm)
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   452
                self.rqlexec('DELETE CWConstraint C WHERE C eid %(x)s',
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   453
                             {'x': cstr.eid}, 'x',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
                             ask_confirm=confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   455
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   456
                newconstraints.remove(newcstr)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   457
                values = {'x': cstr.eid,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   458
                          'v': unicode(newcstr.serialize())}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   459
                self.rqlexec('SET X value %(v)s WHERE X eid %(x)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   460
                             values, 'x', ask_confirm=confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   461
        # 2. add new constraints
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   462
        for newcstr in newconstraints:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   463
            self.rqlexecall(ss.constraint2rql(rschema, subjtype, objtype,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   464
                                              newcstr),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   465
                            ask_confirm=confirm)
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   466
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   467
    # base actions ############################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   468
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   469
    def checkpoint(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   470
        """checkpoint action"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   471
        if self.confirm('commit now ?', shell=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   472
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   473
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   474
    def cmd_add_cube(self, cube, update_database=True):
676
270eb87a768a provide a new add_cubes() migration function for cases where the new cubes are linked together by new relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 447
diff changeset
   475
        self.cmd_add_cubes( (cube,), update_database)
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   476
676
270eb87a768a provide a new add_cubes() migration function for cases where the new cubes are linked together by new relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 447
diff changeset
   477
    def cmd_add_cubes(self, cubes, update_database=True):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   478
        """update_database is telling if the database schema should be updated
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
        or if only the relevant eproperty should be inserted (for the case where
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2275
diff changeset
   480
        a cube has been extracted from an existing instance, so the
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   481
        cube schema is already in there)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   482
        """
676
270eb87a768a provide a new add_cubes() migration function for cases where the new cubes are linked together by new relations
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 447
diff changeset
   483
        newcubes = super(ServerMigrationHelper, self).cmd_add_cubes(cubes)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   484
        if not newcubes:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   485
            return
2107
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   486
        for cube in newcubes:
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   487
            self.cmd_set_property('system.version.'+cube,
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   488
                                  self.config.cube_version(cube))
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   489
            if cube in SOURCE_TYPES:
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   490
                # don't use config.sources() in case some sources have been
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   491
                # disabled for migration
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   492
                sourcescfg = self.config.read_sources_file()
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   493
                sourcescfg[cube] = ask_source_config(cube)
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   494
                self.config.write_sources_file(sourcescfg)
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   495
                clear_cache(self.config, 'read_sources_file')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   496
        if not update_database:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   497
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   498
            return
1036
593df4919845 when reading the schema while adding/removing cubes, read schema in non-strict mode
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
   499
        newcubes_schema = self.config.load_schema(construction_mode='non-strict')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
        new = set()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   501
        # execute pre-create files
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   502
        for pack in reversed(newcubes):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   503
            self.exec_event_script('precreate', self.config.cube_dir(pack))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
        # add new entity and relation types
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   505
        for rschema in newcubes_schema.relations():
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   506
            if not rschema in self.repo.schema:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   507
                self.cmd_add_relation_type(rschema.type)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   508
                new.add(rschema.type)
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   509
        for eschema in newcubes_schema.entities():
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   510
            if not eschema in self.repo.schema:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   511
                self.cmd_add_entity_type(eschema.type)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   512
                new.add(eschema.type)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   513
        # check if attributes has been added to existing entities
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   514
        for rschema in newcubes_schema.relations():
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
            existingschema = self.repo.schema.rschema(rschema.type)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   516
            for (fromtype, totype) in rschema.iter_rdefs():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   517
                if existingschema.has_rdef(fromtype, totype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   518
                    continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   519
                # check we should actually add the relation definition
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
                if not (fromtype in new or totype in new or rschema in new):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   521
                    continue
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   522
                self.cmd_add_relation_definition(str(fromtype), rschema.type,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
                                                 str(totype))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   524
        # execute post-create files
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
        for pack in reversed(newcubes):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
            self.exec_event_script('postcreate', self.config.cube_dir(pack))
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   527
            self.commit()
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   528
2124
5a0b02f37b23 set removedeps to False by default, raise an exception instead of a simple assertion for error, more remove_cube tests
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2122
diff changeset
   529
    def cmd_remove_cube(self, cube, removedeps=False):
2122
4ea13a828513 add removedeps option to remove_cube to control wether a cube's dependencies should be removed as well or not
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2107
diff changeset
   530
        removedcubes = super(ServerMigrationHelper, self).cmd_remove_cube(
4ea13a828513 add removedeps option to remove_cube to control wether a cube's dependencies should be removed as well or not
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2107
diff changeset
   531
            cube, removedeps)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   532
        if not removedcubes:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   533
            return
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   534
        fsschema = self.fs_schema
1036
593df4919845 when reading the schema while adding/removing cubes, read schema in non-strict mode
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
   535
        removedcubes_schema = self.config.load_schema(construction_mode='non-strict')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   536
        reposchema = self.repo.schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   537
        # execute pre-remove files
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   538
        for pack in reversed(removedcubes):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
            self.exec_event_script('preremove', self.config.cube_dir(pack))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
        # remove cubes'entity and relation types
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   541
        for rschema in fsschema.relations():
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   542
            if not rschema in removedcubes_schema and rschema in reposchema:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   543
                self.cmd_drop_relation_type(rschema.type)
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   544
        for eschema in fsschema.entities():
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   545
            if not eschema in removedcubes_schema and eschema in reposchema:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   546
                self.cmd_drop_entity_type(eschema.type)
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   547
        for rschema in fsschema.relations():
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   548
            if rschema in removedcubes_schema and rschema in reposchema:
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   549
                # check if attributes/relations has been added to entities from
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   550
                # other cubes
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   551
                for fromtype, totype in rschema.iter_rdefs():
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   552
                    if not removedcubes_schema[rschema.type].has_rdef(fromtype, totype) and \
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   553
                           reposchema[rschema.type].has_rdef(fromtype, totype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   554
                        self.cmd_drop_relation_definition(
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   555
                            str(fromtype), rschema.type, str(totype))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   556
        # execute post-remove files
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   557
        for pack in reversed(removedcubes):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   558
            self.exec_event_script('postremove', self.config.cube_dir(pack))
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   559
            self.rqlexec('DELETE CWProperty X WHERE X pkey %(pk)s',
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   560
                         {'pk': u'system.version.'+pack}, ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   561
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   562
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   563
    # schema migration actions ################################################
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   564
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   565
    def cmd_add_attribute(self, etype, attrname, attrtype=None, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   566
        """add a new attribute on the given entity type"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   567
        if attrtype is None:
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   568
            rschema = self.fs_schema.rschema(attrname)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   569
            attrtype = rschema.objects(etype)[0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   570
        self.cmd_add_relation_definition(etype, attrname, attrtype, commit=commit)
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   571
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   572
    def cmd_drop_attribute(self, etype, attrname, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   573
        """drop an existing attribute from the given entity type
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   574
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   575
        `attrname` is a string giving the name of the attribute to drop
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   576
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   577
        rschema = self.repo.schema.rschema(attrname)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   578
        attrtype = rschema.objects(etype)[0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   579
        self.cmd_drop_relation_definition(etype, attrname, attrtype, commit=commit)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   580
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   581
    def cmd_rename_attribute(self, etype, oldname, newname, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   582
        """rename an existing attribute of the given entity type
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   583
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   584
        `oldname` is a string giving the name of the existing attribute
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   585
        `newname` is a string giving the name of the renamed attribute
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   586
        """
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   587
        eschema = self.fs_schema.eschema(etype)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   588
        attrtype = eschema.destination(newname)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   589
        # have to commit this first step anyway to get the definition
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   590
        # actually in the schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   591
        self.cmd_add_attribute(etype, newname, attrtype, commit=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   592
        # skipp NULL values if the attribute is required
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   593
        rql = 'SET X %s VAL WHERE X is %s, X %s VAL' % (newname, etype, oldname)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   594
        card = eschema.rproperty(newname, 'cardinality')[0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   595
        if card == '1':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   596
            rql += ', NOT X %s NULL' % oldname
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   597
        self.rqlexec(rql, ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   598
        self.cmd_drop_attribute(etype, oldname, commit=commit)
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   599
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   600
    def cmd_add_entity_type(self, etype, auto=True, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   601
        """register a new entity type
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   602
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   603
        in auto mode, automatically register entity's relation where the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   604
        targeted type is known
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   605
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   606
        applschema = self.repo.schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   607
        if etype in applschema:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   608
            eschema = applschema[etype]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   609
            if eschema.is_final():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   610
                applschema.del_entity_type(etype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   611
        else:
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   612
            eschema = self.fs_schema.eschema(etype)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   613
        confirm = self.verbosity >= 2
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   614
        # register the entity into CWEType
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   615
        self.rqlexecall(ss.eschema2rql(eschema), ask_confirm=confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   616
        # add specializes relation if needed
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   617
        self.rqlexecall(ss.eschemaspecialize2rql(eschema), ask_confirm=confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   618
        # register groups / permissions for the entity
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   619
        self.rqlexecall(ss.erperms2rql(eschema, self.group_mapping()),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   620
                        ask_confirm=confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   621
        # register entity's attributes
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   622
        for rschema, attrschema in eschema.attribute_definitions():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   623
            # ignore those meta relations, they will be automatically added
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   624
            if rschema.type in ('eid', 'creation_date', 'modification_date'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   625
                continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   626
            if not rschema.type in applschema:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   627
                # need to add the relation type and to commit to get it
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   628
                # actually in the schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   629
                self.cmd_add_relation_type(rschema.type, False, commit=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   630
            # register relation definition
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   631
            self.rqlexecall(ss.rdef2rql(rschema, etype, attrschema.type),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   632
                            ask_confirm=confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   633
        if auto:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   634
            # we have commit here to get relation types actually in the schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   635
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   636
            added = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   637
            for rschema in eschema.subject_relations():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   638
                # attribute relation have already been processed and
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   639
                # 'owned_by'/'created_by' will be automatically added
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   640
                if rschema.final or rschema.type in ('owned_by', 'created_by', 'is', 'is_instance_of'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   641
                    continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   642
                rtypeadded = rschema.type in applschema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   643
                for targetschema in rschema.objects(etype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   644
                    # ignore relations where the targeted type is not in the
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2275
diff changeset
   645
                    # current instance schema
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   646
                    targettype = targetschema.type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   647
                    if not targettype in applschema and targettype != etype:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   648
                        continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   649
                    if not rtypeadded:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   650
                        # need to add the relation type and to commit to get it
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   651
                        # actually in the schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   652
                        added.append(rschema.type)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   653
                        self.cmd_add_relation_type(rschema.type, False, commit=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   654
                        rtypeadded = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   655
                    # register relation definition
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   656
                    # remember this two avoid adding twice non symetric relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   657
                    # such as "Emailthread forked_from Emailthread"
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   658
                    added.append((etype, rschema.type, targettype))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   659
                    self.rqlexecall(ss.rdef2rql(rschema, etype, targettype),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   660
                                    ask_confirm=confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   661
            for rschema in eschema.object_relations():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   662
                rtypeadded = rschema.type in applschema or rschema.type in added
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   663
                for targetschema in rschema.subjects(etype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   664
                    # ignore relations where the targeted type is not in the
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2275
diff changeset
   665
                    # current instance schema
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   666
                    targettype = targetschema.type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   667
                    # don't check targettype != etype since in this case the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   668
                    # relation has already been added as a subject relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   669
                    if not targettype in applschema:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   670
                        continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   671
                    if not rtypeadded:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   672
                        # need to add the relation type and to commit to get it
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   673
                        # actually in the schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   674
                        self.cmd_add_relation_type(rschema.type, False, commit=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   675
                        rtypeadded = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   676
                    elif (targettype, rschema.type, etype) in added:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   677
                        continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   678
                    # register relation definition
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   679
                    self.rqlexecall(ss.rdef2rql(rschema, targettype, etype),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   680
                                    ask_confirm=confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   681
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   682
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   683
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   684
    def cmd_drop_entity_type(self, etype, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   685
        """unregister an existing entity type
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   686
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   687
        This will trigger deletion of necessary relation types and definitions
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   688
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   689
        # XXX what if we delete an entity type which is specialized by other types
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   690
        # unregister the entity from CWEType
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   691
        self.rqlexec('DELETE CWEType X WHERE X name %(etype)s', {'etype': etype},
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   692
                     ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   693
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   694
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   695
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   696
    def cmd_rename_entity_type(self, oldname, newname, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   697
        """rename an existing entity type in the persistent schema
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   698
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   699
        `oldname` is a string giving the name of the existing entity type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   700
        `newname` is a string giving the name of the renamed entity type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   701
        """
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   702
        self.rqlexec('SET ET name %(newname)s WHERE ET is CWEType, ET name %(oldname)s',
2107
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   703
                     {'newname' : unicode(newname), 'oldname' : oldname},
6c4a4c514ac2 add source to sources configuration when adding a cube defining a source
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   704
                     ask_confirm=False)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   705
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   706
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   707
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   708
    def cmd_add_relation_type(self, rtype, addrdef=True, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   709
        """register a new relation type named `rtype`, as described in the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   710
        schema description file.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   711
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   712
        `addrdef` is a boolean value; when True, it will also add all relations
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   713
        of the type just added found in the schema definition file. Note that it
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   714
        implies an intermediate "commit" which commits the relation type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   715
        creation (but not the relation definitions themselves, for which
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   716
        committing depends on the `commit` argument value).
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   717
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   718
        """
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   719
        rschema = self.fs_schema.rschema(rtype)
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   720
        # register the relation into CWRType and insert necessary relation
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   721
        # definitions
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   722
        self.rqlexecall(ss.rschema2rql(rschema, addrdef=False),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   723
                        ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   724
        # register groups / permissions for the relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   725
        self.rqlexecall(ss.erperms2rql(rschema, self.group_mapping()),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   726
                        ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   727
        if addrdef:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   728
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   729
            self.rqlexecall(ss.rdef2rql(rschema),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   730
                            ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   731
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   732
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   733
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   734
    def cmd_drop_relation_type(self, rtype, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   735
        """unregister an existing relation type"""
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   736
        # unregister the relation from CWRType
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   737
        self.rqlexec('DELETE CWRType X WHERE X name %r' % rtype,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   738
                     ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   739
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   740
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   741
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   742
    def cmd_rename_relation(self, oldname, newname, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   743
        """rename an existing relation
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   744
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   745
        `oldname` is a string giving the name of the existing relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   746
        `newname` is a string giving the name of the renamed relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   747
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   748
        self.cmd_add_relation_type(newname, commit=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   749
        self.rqlexec('SET X %s Y WHERE X %s Y' % (newname, oldname),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   750
                     ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   751
        self.cmd_drop_relation_type(oldname, commit=commit)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   752
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   753
    def cmd_add_relation_definition(self, subjtype, rtype, objtype, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   754
        """register a new relation definition, from its definition found in the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   755
        schema definition file
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   756
        """
934
f94e34795586 better variable/attribute names; fix remove_cube, it should not alter the .fs_schema attribute (former .new_schema)
sylvain.thenault@logilab.fr
parents: 676
diff changeset
   757
        rschema = self.fs_schema.rschema(rtype)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   758
        if not rtype in self.repo.schema:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   759
            self.cmd_add_relation_type(rtype, addrdef=False, commit=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   760
        self.rqlexecall(ss.rdef2rql(rschema, subjtype, objtype),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   761
                        ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   762
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   763
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   764
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   765
    def cmd_drop_relation_definition(self, subjtype, rtype, objtype, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   766
        """unregister an existing relation definition"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   767
        rschema = self.repo.schema.rschema(rtype)
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   768
        # unregister the definition from CWAttribute or CWRelation
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   769
        if rschema.is_final():
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   770
            etype = 'CWAttribute'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   771
        else:
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   772
            etype = 'CWRelation'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   773
        rql = ('DELETE %s X WHERE X from_entity FE, FE name "%s",'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   774
               'X relation_type RT, RT name "%s", X to_entity TE, TE name "%s"')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   775
        self.rqlexec(rql % (etype, subjtype, rtype, objtype),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   776
                     ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   777
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   778
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   779
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   780
    def cmd_sync_schema_props_perms(self, ertype=None, syncperms=True,
1409
f4dee84a618f sql attributes bugfix
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1399
diff changeset
   781
                                    syncprops=True, syncrdefs=True, commit=True):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   782
        """synchronize the persistent schema against the current definition
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   783
        schema.
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   784
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   785
        It will synch common stuff between the definition schema and the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   786
        actual persistent schema, it won't add/remove any entity or relation.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   787
        """
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   788
        assert syncperms or syncprops, 'nothing to do'
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   789
        if ertype is not None:
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   790
            if isinstance(ertype, (tuple, list)):
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   791
                assert len(ertype) == 3, 'not a relation definition'
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   792
                assert syncprops, 'can\'t update permission for a relation definition'
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   793
                self._synchronize_rdef_schema(*ertype)
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   794
            elif syncprops:
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   795
                erschema = self.repo.schema[ertype]
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   796
                if isinstance(erschema, CubicWebRelationSchema):
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   797
                    self._synchronize_rschema(erschema, syncperms=syncperms,
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   798
                                              syncrdefs=syncrdefs)
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   799
                else:
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   800
                    self._synchronize_eschema(erschema, syncperms=syncperms)
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   801
            else:
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   802
                self._synchronize_permissions(ertype)
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   803
        else:
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   804
            for etype in self.repo.schema.entities():
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   805
                if syncprops:
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   806
                    self._synchronize_eschema(etype, syncperms=syncperms)
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   807
                else:
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   808
                    self._synchronize_permissions(etype)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   809
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   810
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   811
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   812
    def cmd_change_relation_props(self, subjtype, rtype, objtype,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   813
                                  commit=True, **kwargs):
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   814
        """change some properties of a relation definition
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   815
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   816
        you usually want to use sync_schema_props_perms instead.
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   817
        """
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   818
        assert kwargs
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   819
        restriction = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   820
        if subjtype and subjtype != 'Any':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   821
            restriction.append('X from_entity FE, FE name "%s"' % subjtype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   822
        if objtype and objtype != 'Any':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   823
            restriction.append('X to_entity TE, TE name "%s"' % objtype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   824
        if rtype and rtype != 'Any':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   825
            restriction.append('X relation_type RT, RT name "%s"' % rtype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   826
        assert restriction
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   827
        values = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   828
        for k, v in kwargs.items():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   829
            values.append('X %s %%(%s)s' % (k, k))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   830
            if isinstance(v, str):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   831
                kwargs[k] = unicode(v)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   832
        rql = 'SET %s WHERE %s' % (','.join(values), ','.join(restriction))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   833
        self.rqlexec(rql, kwargs, ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   834
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   835
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   836
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   837
    def cmd_set_size_constraint(self, etype, rtype, size, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   838
        """set change size constraint of a string attribute
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   839
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   840
        if size is None any size constraint will be removed.
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   841
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   842
        you usually want to use sync_schema_props_perms instead.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   843
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   844
        oldvalue = None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   845
        for constr in self.repo.schema.eschema(etype).constraints(rtype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   846
            if isinstance(constr, SizeConstraint):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   847
                oldvalue = constr.max
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   848
        if oldvalue == size:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   849
            return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   850
        if oldvalue is None and not size is None:
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   851
            ceid = self.rqlexec('INSERT CWConstraint C: C value %(v)s, C cstrtype CT '
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   852
                                'WHERE CT name "SizeConstraint"',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   853
                                {'v': SizeConstraint(size).serialize()},
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   854
                                ask_confirm=self.verbosity>=2)[0][0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   855
            self.rqlexec('SET X constrained_by C WHERE X from_entity S, X relation_type R, '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   856
                         'S name "%s", R name "%s", C eid %s' % (etype, rtype, ceid),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   857
                         ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   858
        elif not oldvalue is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   859
            if not size is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   860
                self.rqlexec('SET C value %%(v)s WHERE X from_entity S, X relation_type R,'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   861
                             'X constrained_by C, C cstrtype CT, CT name "SizeConstraint",'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   862
                             'S name "%s", R name "%s"' % (etype, rtype),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   863
                             {'v': unicode(SizeConstraint(size).serialize())},
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   864
                             ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   865
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   866
                self.rqlexec('DELETE X constrained_by C WHERE X from_entity S, X relation_type R,'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   867
                             'X constrained_by C, C cstrtype CT, CT name "SizeConstraint",'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   868
                             'S name "%s", R name "%s"' % (etype, rtype),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   869
                             ask_confirm=self.verbosity>=2)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   870
                # cleanup unused constraints
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   871
                self.rqlexec('DELETE CWConstraint C WHERE NOT X constrained_by C')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   872
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   873
            self.commit()
1399
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   874
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   875
    @obsolete('use sync_schema_props_perms(ertype, syncprops=False)')
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   876
    def cmd_synchronize_permissions(self, ertype, commit=True):
3f408c7a164e unify schema sync migration commands with (hopefuly) a clearer name
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   877
        self.cmd_sync_schema_props_perms(ertype, syncprops=False, commit=commit)
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   878
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   879
    # Workflows handling ######################################################
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   880
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   881
    def cmd_add_state(self, name, stateof, initial=False, commit=False, **kwargs):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   882
        """method to ease workflow definition: add a state for one or more
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   883
        entity type(s)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   884
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   885
        stateeid = self.cmd_add_entity('State', name=name, **kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   886
        if not isinstance(stateof, (list, tuple)):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   887
            stateof = (stateof,)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   888
        for etype in stateof:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   889
            # XXX ensure etype validity
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   890
            self.rqlexec('SET X state_of Y WHERE X eid %(x)s, Y name %(et)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   891
                         {'x': stateeid, 'et': etype}, 'x', ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   892
            if initial:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   893
                self.rqlexec('SET ET initial_state S WHERE ET name %(et)s, S eid %(x)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   894
                             {'x': stateeid, 'et': etype}, 'x', ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   895
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   896
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   897
        return stateeid
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   898
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   899
    def cmd_add_transition(self, name, transitionof, fromstates, tostate,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   900
                           requiredgroups=(), conditions=(), commit=False, **kwargs):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   901
        """method to ease workflow definition: add a transition for one or more
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   902
        entity type(s), from one or more state and to a single state
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   903
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   904
        treid = self.cmd_add_entity('Transition', name=name, **kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   905
        if not isinstance(transitionof, (list, tuple)):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   906
            transitionof = (transitionof,)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   907
        for etype in transitionof:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   908
            # XXX ensure etype validity
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   909
            self.rqlexec('SET X transition_of Y WHERE X eid %(x)s, Y name %(et)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   910
                         {'x': treid, 'et': etype}, 'x', ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   911
        for stateeid in fromstates:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   912
            self.rqlexec('SET X allowed_transition Y WHERE X eid %(x)s, Y eid %(y)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   913
                         {'x': stateeid, 'y': treid}, 'x', ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   914
        self.rqlexec('SET X destination_state Y WHERE X eid %(x)s, Y eid %(y)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   915
                     {'x': treid, 'y': tostate}, 'x', ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   916
        self.cmd_set_transition_permissions(treid, requiredgroups, conditions,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   917
                                            reset=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   918
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   919
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   920
        return treid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   921
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   922
    def cmd_set_transition_permissions(self, treid,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   923
                                       requiredgroups=(), conditions=(),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   924
                                       reset=True, commit=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   925
        """set or add (if `reset` is False) groups and conditions for a
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   926
        transition
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   927
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   928
        if reset:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   929
            self.rqlexec('DELETE T require_group G WHERE T eid %(x)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   930
                         {'x': treid}, 'x', ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   931
            self.rqlexec('DELETE T condition R WHERE T eid %(x)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   932
                         {'x': treid}, 'x', ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   933
        for gname in requiredgroups:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   934
            ### XXX ensure gname validity
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   935
            self.rqlexec('SET T require_group G WHERE T eid %(x)s, G name %(gn)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   936
                         {'x': treid, 'gn': gname}, 'x', ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   937
        if isinstance(conditions, basestring):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   938
            conditions = (conditions,)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   939
        for expr in conditions:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   940
            if isinstance(expr, str):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   941
                expr = unicode(expr)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   942
            self.rqlexec('INSERT RQLExpression X: X exprtype "ERQLExpression", '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   943
                         'X expression %(expr)s, T condition X '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   944
                         'WHERE T eid %(x)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   945
                         {'x': treid, 'expr': expr}, 'x', ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   946
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   947
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   948
972
1efba3fd1364 set_state command in shell
sylvain.thenault@logilab.fr
parents: 934
diff changeset
   949
    def cmd_set_state(self, eid, statename, commit=False):
1efba3fd1364 set_state command in shell
sylvain.thenault@logilab.fr
parents: 934
diff changeset
   950
        self.session.set_pool() # ensure pool is set
1efba3fd1364 set_state command in shell
sylvain.thenault@logilab.fr
parents: 934
diff changeset
   951
        entity = self.session.eid_rset(eid).get_entity(0, 0)
1efba3fd1364 set_state command in shell
sylvain.thenault@logilab.fr
parents: 934
diff changeset
   952
        entity.change_state(entity.wf_state(statename).eid)
1efba3fd1364 set_state command in shell
sylvain.thenault@logilab.fr
parents: 934
diff changeset
   953
        if commit:
1efba3fd1364 set_state command in shell
sylvain.thenault@logilab.fr
parents: 934
diff changeset
   954
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   955
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   956
    # CWProperty handling ######################################################
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   957
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   958
    def cmd_property_value(self, pkey):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   959
        rql = 'Any V WHERE X is CWProperty, X pkey %(k)s, X value V'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   960
        rset = self.rqlexec(rql, {'k': pkey}, ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   961
        return rset[0][0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   962
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   963
    def cmd_set_property(self, pkey, value):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   964
        value = unicode(value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   965
        try:
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   966
            prop = self.rqlexec('CWProperty X WHERE X pkey %(k)s', {'k': pkey},
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   967
                                ask_confirm=False).get_entity(0, 0)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   968
        except:
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   969
            self.cmd_add_entity('CWProperty', pkey=unicode(pkey), value=value)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   970
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   971
            self.rqlexec('SET X value %(v)s WHERE X pkey %(k)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   972
                         {'k': pkey, 'v': value}, ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   973
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   974
    # other data migration commands ###########################################
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   975
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   976
    def cmd_add_entity(self, etype, *args, **kwargs):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   977
        """add a new entity of the given type"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   978
        rql = 'INSERT %s X' % etype
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   979
        relations = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   980
        restrictions = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   981
        for rtype, rvar in args:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   982
            relations.append('X %s %s' % (rtype, rvar))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   983
            restrictions.append('%s eid %s' % (rvar, kwargs.pop(rvar)))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   984
        commit = kwargs.pop('commit', False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   985
        for attr in kwargs:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   986
            relations.append('X %s %%(%s)s' % (attr, attr))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   987
        if relations:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   988
            rql = '%s: %s' % (rql, ', '.join(relations))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   989
        if restrictions:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   990
            rql = '%s WHERE %s' % (rql, ', '.join(restrictions))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   991
        eid = self.rqlexec(rql, kwargs, ask_confirm=self.verbosity>=2).rows[0][0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   992
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   993
            self.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   994
        return eid
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   995
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   996
    def sqlexec(self, sql, args=None, ask_confirm=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   997
        """execute the given sql if confirmed
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
   998
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   999
        should only be used for low level stuff undoable with existing higher
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1000
        level actions
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1001
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1002
        if not ask_confirm or self.confirm('execute sql: %s ?' % sql):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1003
            self.session.set_pool() # ensure pool is set
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1004
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1005
                cu = self.session.system_sql(sql, args)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1006
            except:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1007
                ex = sys.exc_info()[1]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1008
                if self.confirm('error: %s\nabort?' % ex):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1009
                    raise
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1010
                return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1011
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1012
                return cu.fetchall()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1013
            except:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1014
                # no result to fetch
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1015
                return
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
  1016
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1017
    def rqlexec(self, rql, kwargs=None, cachekey=None, ask_confirm=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1018
        """rql action"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1019
        if not isinstance(rql, (tuple, list)):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1020
            rql = ( (rql, kwargs), )
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1021
        res = None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1022
        for rql, kwargs in rql:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1023
            if kwargs:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1024
                msg = '%s (%s)' % (rql, kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1025
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1026
                msg = rql
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1027
            if not ask_confirm or self.confirm('execute rql: %s ?' % msg):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1028
                try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1029
                    res = self.rqlcursor.execute(rql, kwargs, cachekey)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1030
                except Exception, ex:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1031
                    if self.confirm('error: %s\nabort?' % ex):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1032
                        raise
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1033
        return res
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1034
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1035
    def rqliter(self, rql, kwargs=None, ask_confirm=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1036
        return ForRqlIterator(self, rql, None, ask_confirm)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1037
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1038
    def cmd_deactivate_verification_hooks(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1039
        self.repo.hm.deactivate_verification_hooks()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1040
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1041
    def cmd_reactivate_verification_hooks(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1042
        self.repo.hm.reactivate_verification_hooks()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
  1043
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1044
    # broken db commands ######################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1045
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1046
    def cmd_change_attribute_type(self, etype, attr, newtype, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1047
        """low level method to change the type of an entity attribute. This is
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1048
        a quick hack which has some drawback:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1049
        * only works when the old type can be changed to the new type by the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1050
          underlying rdbms (eg using ALTER TABLE)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1051
        * the actual schema won't be updated until next startup
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1052
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1053
        rschema = self.repo.schema.rschema(attr)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1054
        oldtype = rschema.objects(etype)[0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1055
        rdefeid = rschema.rproperty(etype, oldtype, 'eid')
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1056
        sql = ("UPDATE CWAttribute "
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
  1057
               "SET to_entity=(SELECT eid FROM CWEType WHERE name='%s')"
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1058
               "WHERE eid=%s") % (newtype, rdefeid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1059
        self.sqlexec(sql, ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1060
        dbhelper = self.repo.system_source.dbhelper
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1061
        sqltype = dbhelper.TYPE_MAPPING[newtype]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1062
        sql = 'ALTER TABLE %s ALTER COLUMN %s TYPE %s' % (etype, attr, sqltype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1063
        self.sqlexec(sql, ask_confirm=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1064
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1065
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
  1066
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1067
    def cmd_add_entity_type_table(self, etype, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1068
        """low level method to create the sql table for an existing entity.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1069
        This may be useful on accidental desync between the repository schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1070
        and a sql database
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1071
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1072
        dbhelper = self.repo.system_source.dbhelper
1251
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 1240
diff changeset
  1073
        tablesql = eschema2sql(dbhelper, self.repo.schema.eschema(etype),
af40e615dc89 introduce a 'cw_' prefix on entity table and column names so we don't conflict with sql or DBMS specific keywords
sylvain.thenault@logilab.fr
parents: 1240
diff changeset
  1074
                               prefix=SQL_PREFIX)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1075
        for sql in tablesql.split(';'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1076
            if sql.strip():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1077
                self.sqlexec(sql)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1078
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1079
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
  1080
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1081
    def cmd_add_relation_type_table(self, rtype, commit=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1082
        """low level method to create the sql table for an existing relation.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1083
        This may be useful on accidental desync between the repository schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1084
        and a sql database
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1085
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1086
        dbhelper = self.repo.system_source.dbhelper
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1087
        tablesql = rschema2sql(dbhelper, self.repo.schema.rschema(rtype))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1088
        for sql in tablesql.split(';'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1089
            if sql.strip():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1090
                self.sqlexec(sql)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1091
        if commit:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1092
            self.commit()
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
  1093
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1094
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1095
class ForRqlIterator:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1096
    """specific rql iterator to make the loop skipable"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1097
    def __init__(self, helper, rql, kwargs, ask_confirm):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1098
        self._h = helper
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1099
        self.rql = rql
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1100
        self.kwargs = kwargs
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1101
        self.ask_confirm = ask_confirm
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1102
        self._rsetit = None
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
  1103
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1104
    def __iter__(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1105
        return self
1477
b056a49c16dc backport default branch
sylvain.thenault@logilab.fr
parents: 1414 1278
diff changeset
  1106
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1107
    def next(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1108
        if self._rsetit is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1109
            return self._rsetit.next()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1110
        rql, kwargs = self.rql, self.kwargs
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1111
        if kwargs:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1112
            msg = '%s (%s)' % (rql, kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1113
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1114
            msg = rql
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1115
        if self.ask_confirm:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1116
            if not self._h.confirm('execute rql: %s ?' % msg):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1117
                raise StopIteration
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1118
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1119
            rset = self._h.rqlcursor.execute(rql, kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1120
        except Exception, ex:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1121
            if self._h.confirm('error: %s\nabort?' % ex):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1122
                raise
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1123
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1124
                raise StopIteration
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1125
        self._rsetit = iter(rset)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1126
        return self._rsetit.next()