server/repository.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Fri, 07 Aug 2009 13:59:18 +0200
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parent 2709 6ee816eb9f25
child 2756 2c94606eefc0
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delete relations one by one to avoid too complex rql analysis
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"""Defines the central class for the CubicWeb RQL server: the repository.
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The repository is an abstraction allowing execution of rql queries against
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data sources. Most of the work is actually done in helper classes. The
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repository mainly:
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* brings these classes all together to provide a single access
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  point to a cubicweb instance.
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* handles session management
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* provides method for pyro registration, to call if pyro is enabled
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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 Queue
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from os.path import join, exists
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from datetime import datetime
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from time import time, localtime, strftime
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from logilab.common.decorators import cached
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from yams import BadSchemaDefinition
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from rql import RQLSyntaxError
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from cubicweb import (CW_SOFTWARE_ROOT, CW_MIGRATION_MAP, CW_EVENT_MANAGER,
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                      UnknownEid, AuthenticationError, ExecutionError,
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                      ETypeNotSupportedBySources, RTypeNotSupportedBySources,
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                      BadConnectionId, Unauthorized, ValidationError,
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                      typed_eid)
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from cubicweb.cwvreg import CubicWebVRegistry
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from cubicweb.schema import VIRTUAL_RTYPES, CubicWebSchema
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from cubicweb import server
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from cubicweb.server.utils import RepoThread, LoopTask
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from cubicweb.server.pool import ConnectionsPool, LateOperation, SingleLastOperation
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from cubicweb.server.session import Session, InternalSession
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from cubicweb.server.querier import QuerierHelper
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from cubicweb.server.sources import get_source
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from cubicweb.server.hooksmanager import HooksManager
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from cubicweb.server.hookhelper import rproperty
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class CleanupEidTypeCacheOp(SingleLastOperation):
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    """on rollback of a insert query or commit of delete query, we have to
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    clear repository's cache from no more valid entries
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    NOTE: querier's rqlst/solutions cache may have been polluted too with
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    queries such as Any X WHERE X eid 32 if 32 has been rollbacked however
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    generated queries are unpredictable and analysing all the cache probably
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    too expensive. Notice that there is no pb when using args to specify eids
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    instead of giving them into the rql string.
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    """
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    def commit_event(self):
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        """the observed connections pool has been rollbacked,
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        remove inserted eid from repository type/source cache
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        """
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        try:
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            self.repo.clear_caches(self.session.transaction_data['pendingeids'])
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        except KeyError:
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            pass
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    def rollback_event(self):
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        """the observed connections pool has been rollbacked,
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        remove inserted eid from repository type/source cache
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        """
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        try:
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            self.repo.clear_caches(self.session.transaction_data['neweids'])
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        except KeyError:
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            pass
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class FTIndexEntityOp(LateOperation):
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    """operation to delay entity full text indexation to commit
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    since fti indexing may trigger discovery of other entities, it should be
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    triggered on precommit, not commit, and this should be done after other
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    precommit operation which may add relations to the entity
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    """
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    def precommit_event(self):
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        session = self.session
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        entity = self.entity
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        if entity.eid in session.transaction_data.get('pendingeids', ()):
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            return # entity added and deleted in the same transaction
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        session.repo.system_source.fti_unindex_entity(session, entity.eid)
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        for container in entity.fti_containers():
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            session.repo.index_entity(session, container)
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    def commit_event(self):
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        pass
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def del_existing_rel_if_needed(session, eidfrom, rtype, eidto):
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    """delete existing relation when adding a new one if card is 1 or ?
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    have to be done once the new relation has been inserted to avoid having
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    an entity without a relation for some time
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    this kind of behaviour has to be done in the repository so we don't have
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    hooks order hazardness
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    """
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    # skip delete queries (only?) if session is an internal session. This is
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    # hooks responsability to ensure they do not violate relation's cardinality
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    if session.is_super_session:
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        return
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    card = rproperty(session, rtype, eidfrom, eidto, 'cardinality')
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    # one may be tented to check for neweids but this may cause more than one
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    # relation even with '1?'  cardinality if thoses relations are added in the
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    # same transaction where the entity is being created. This never occurs from
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    # the web interface but may occurs during test or dbapi connection (though
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    # not expected for this).  So: don't do it, we pretend to ensure repository
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    # consistency.
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    if card[0] in '1?':
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        rschema = session.repo.schema.rschema(rtype)
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        if not rschema.inlined:
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            session.unsafe_execute(
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                'DELETE X %s Y WHERE X eid %%(x)s, NOT Y eid %%(y)s' % rtype,
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                {'x': eidfrom, 'y': eidto}, 'x')
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    if card[1] in '1?':
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        session.unsafe_execute(
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            'DELETE X %s Y WHERE NOT X eid %%(x)s, Y eid %%(y)s' % rtype,
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            {'x': eidfrom, 'y': eidto}, 'y')
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0
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class Repository(object):
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    """a repository provides access to a set of persistent storages for
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    entities and relations
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    XXX protect pyro access
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    """
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    def __init__(self, config, vreg=None, debug=False):
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        self.config = config
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        if vreg is None:
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            vreg = CubicWebVRegistry(config, debug)
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        self.vreg = vreg
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        self.pyro_registered = False
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        self.info('starting repository from %s', self.config.apphome)
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        # dictionary of opened sessions
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        self._sessions = {}
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        # list of functions to be called at regular interval
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        self._looping_tasks = []
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        # list of running threads
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        self._running_threads = []
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        # initial schema, should be build or replaced latter
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        self.schema = CubicWebSchema(config.appid)
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        # querier helper, need to be created after sources initialization
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        self.querier = QuerierHelper(self, self.schema)
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        # should we reindex in changes?
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        self.do_fti = not config['delay-full-text-indexation']
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        # sources
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        self.sources = []
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        self.sources_by_uri = {}
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        # FIXME: store additional sources info in the system database ?
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        # FIXME: sources should be ordered (add_entity priority)
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        for uri, source_config in config.sources().items():
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            if uri == 'admin':
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                # not an actual source
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                continue
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            source = self.get_source(uri, source_config)
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            self.sources_by_uri[uri] = source
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            self.sources.append(source)
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        self.system_source = self.sources_by_uri['system']
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        # ensure system source is the first one
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        self.sources.remove(self.system_source)
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        self.sources.insert(0, self.system_source)
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        # cache eid -> type / source
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        self._type_source_cache = {}
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        # cache (extid, source uri) -> eid
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        self._extid_cache = {}
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        # create the hooks manager
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        self.hm = HooksManager(self.schema)
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        # open some connections pools
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        self._available_pools = Queue.Queue()
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        self._available_pools.put_nowait(ConnectionsPool(self.sources))
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        if config.read_instance_schema:
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            # normal start: load the instance schema from the database
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            self.fill_schema()
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        elif config.bootstrap_schema:
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            # usually during repository creation
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            self.warning("set fs instance'schema as bootstrap schema")
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            config.bootstrap_cubes()
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            self.set_bootstrap_schema(self.config.load_schema())
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            # need to load the Any and CWUser entity types
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            self.vreg.schema = self.schema
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            etdirectory = join(CW_SOFTWARE_ROOT, 'entities')
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            self.vreg.init_registration([etdirectory])
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            self.vreg.load_file(join(etdirectory, '__init__.py'),
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                                'cubicweb.entities.__init__')
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            self.vreg.load_file(join(etdirectory, 'authobjs.py'),
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                                'cubicweb.entities.authobjs')
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        else:
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            # test start: use the file system schema (quicker)
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            self.warning("set fs instance'schema")
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            config.bootstrap_cubes()
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            self.set_schema(self.config.load_schema())
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        if not config.creating:
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            if 'CWProperty' in self.schema:
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                self.vreg.init_properties(self.properties())
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            # call source's init method to complete their initialisation if
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            # needed (for instance looking for persistent configuration using an
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            # internal session, which is not possible until pools have been
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            # initialized)
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            for source in self.sources:
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                source.init()
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        else:
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            # call init_creating so for instance native source can configurate
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            # tsearch according to postgres version
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            for source in self.sources:
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                source.init_creating()
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        # close initialization pool and reopen fresh ones for proper
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        # initialization now that we know cubes
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        self._get_pool().close(True)
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        # list of available pools (we can't iterated on Queue instance)
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        self.pools = []
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        for i in xrange(config['connections-pool-size']):
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            self.pools.append(ConnectionsPool(self.sources))
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            self._available_pools.put_nowait(self.pools[-1])
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        self._shutting_down = False
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        if not (config.creating or config.repairing):
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            # call instance level initialisation hooks
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            self.hm.call_hooks('server_startup', repo=self)
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            # register a task to cleanup expired session
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            self.looping_task(self.config['session-time']/3.,
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                              self.clean_sessions)
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        CW_EVENT_MANAGER.bind('after-registry-load', self.reset_hooks)
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0
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    # internals ###############################################################
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    def get_source(self, uri, source_config):
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        source_config['uri'] = uri
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        return get_source(source_config, self.schema, self)
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    def set_schema(self, schema, resetvreg=True):
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        schema.rebuild_infered_relations()
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        self.info('set schema %s %#x', schema.name, id(schema))
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        self.debug(', '.join(sorted(str(e) for e in schema.entities())))
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        self.querier.set_schema(schema)
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        for source in self.sources:
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            source.set_schema(schema)
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        self.schema = schema
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        if resetvreg:
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            # full reload of all appobjects
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            self.vreg.reset()
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            self.vreg.set_schema(schema)
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        self.reset_hooks()
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    def reset_hooks(self):
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        self.hm.set_schema(self.schema)
0
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        self.hm.register_system_hooks(self.config)
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        # instance specific hooks
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   257
        if self.config.instance_hooks:
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            self.info('loading instance hooks')
0
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   259
            self.hm.register_hooks(self.config.load_hooks(self.vreg))
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   261
    def fill_schema(self):
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        """lod schema from the repository"""
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        from cubicweb.server.schemaserial import deserialize_schema
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   264
        self.info('loading schema from the repository')
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        appschema = CubicWebSchema(self.config.appid)
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        self.set_bootstrap_schema(self.config.load_bootstrap_schema())
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        self.debug('deserializing db schema into %s %#x', appschema.name, id(appschema))
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        session = self.internal_session()
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        try:
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            try:
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   271
                deserialize_schema(appschema, session)
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            except BadSchemaDefinition:
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                raise
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            except Exception, ex:
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   275
                import traceback
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                traceback.print_exc()
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                raise Exception('Is the database initialised ? (cause: %s)' %
0
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                                (ex.args and ex.args[0].strip() or 'unknown')), \
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   279
                                None, sys.exc_info()[-1]
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            self.info('set the actual schema')
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            # XXX have to do this since CWProperty isn't in the bootstrap schema
0
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            #     it'll be redone in set_schema
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   283
            self.set_bootstrap_schema(appschema)
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   284
            # 2.49 migration
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   285
            if exists(join(self.config.apphome, 'vc.conf')):
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   286
                session.set_pool()
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   287
                if not 'template' in file(join(self.config.apphome, 'vc.conf')).read():
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   288
                    # remaning from cubicweb < 2.38...
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   289
                    session.execute('DELETE CWProperty X WHERE X pkey "system.version.template"')
0
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   290
                    session.commit()
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   291
        finally:
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   292
            session.close()
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   293
        self.config.init_cubes(self.get_cubes())
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   294
        self.set_schema(appschema)
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   295
0
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   296
    def set_bootstrap_schema(self, schema):
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   297
        """disable hooks when setting a bootstrap schema, but restore
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   298
        the configuration for the next time
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   299
        """
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   300
        config = self.config
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   301
        # XXX refactor
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   302
        config.core_hooks = False
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   303
        config.usergroup_hooks = False
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   304
        config.schema_hooks = False
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diff changeset
   305
        config.notification_hooks = False
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diff changeset
   306
        config.instance_hooks = False
0
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diff changeset
   307
        self.set_schema(schema, resetvreg=False)
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   308
        config.core_hooks = True
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diff changeset
   309
        config.usergroup_hooks = True
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diff changeset
   310
        config.schema_hooks = True
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diff changeset
   311
        config.notification_hooks = True
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diff changeset
   312
        config.instance_hooks = True
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   313
0
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parents:
diff changeset
   314
    def start_looping_tasks(self):
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diff changeset
   315
        assert isinstance(self._looping_tasks, list), 'already started'
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diff changeset
   316
        for i, (interval, func, args) in enumerate(self._looping_tasks):
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diff changeset
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            self._looping_tasks[i] = task = LoopTask(interval, func, args)
0
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diff changeset
   318
            self.info('starting task %s with interval %.2fs', task.name,
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diff changeset
   319
                      interval)
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diff changeset
   320
            task.start()
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parents:
diff changeset
   321
        # ensure no tasks will be further added
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diff changeset
   322
        self._looping_tasks = tuple(self._looping_tasks)
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diff changeset
   323
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diff changeset
   324
    def looping_task(self, interval, func, *args):
0
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diff changeset
   325
        """register a function to be called every `interval` seconds.
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diff changeset
   326
0
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diff changeset
   327
        looping tasks can only be registered during repository initialization,
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diff changeset
   328
        once done this method will fail.
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parents:
diff changeset
   329
        """
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parents:
diff changeset
   330
        try:
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60d728bdcba5 allow to specify arbitrary argument when recording a looping task func
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parents: 2667
diff changeset
   331
            self._looping_tasks.append( (interval, func, args) )
0
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parents:
diff changeset
   332
        except AttributeError:
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parents:
diff changeset
   333
            raise RuntimeError("can't add looping task once the repository is started")
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parents:
diff changeset
   334
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parents:
diff changeset
   335
    def threaded_task(self, func):
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parents:
diff changeset
   336
        """start function in a separated thread"""
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parents:
diff changeset
   337
        t = RepoThread(func, self._running_threads)
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parents:
diff changeset
   338
        t.start()
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diff changeset
   339
0
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parents:
diff changeset
   340
    #@locked
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parents:
diff changeset
   341
    def _get_pool(self):
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diff changeset
   342
        try:
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parents:
diff changeset
   343
            return self._available_pools.get(True, timeout=5)
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parents:
diff changeset
   344
        except Queue.Empty:
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parents:
diff changeset
   345
            raise Exception('no pool available after 5 secs, probably either a '
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parents:
diff changeset
   346
                            'bug in code (to many uncommited/rollbacked '
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parents:
diff changeset
   347
                            'connections) or to much load on the server (in '
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parents:
diff changeset
   348
                            'which case you can try to set a bigger '
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parents:
diff changeset
   349
                            'connections pools size)')
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diff changeset
   350
0
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diff changeset
   351
    def _free_pool(self, pool):
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parents:
diff changeset
   352
        self._available_pools.put_nowait(pool)
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parents:
diff changeset
   353
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diff changeset
   354
    def pinfo(self):
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parents:
diff changeset
   355
        # XXX: session.pool is accessed from a local storage, would be interesting
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parents:
diff changeset
   356
        #      to see if there is a pool set in any thread specific data)
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parents:
diff changeset
   357
        import threading
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parents:
diff changeset
   358
        return '%s: %s (%s)' % (self._available_pools.qsize(),
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parents:
diff changeset
   359
                                ','.join(session.user.login for session in self._sessions.values()
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parents:
diff changeset
   360
                                         if session.pool),
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parents:
diff changeset
   361
                                threading.currentThread())
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parents:
diff changeset
   362
    def shutdown(self):
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parents:
diff changeset
   363
        """called on server stop event to properly close opened sessions and
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
        connections
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   365
        """
1883
011e13d74cfc shuting -> shutting
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1880
diff changeset
   366
        self._shutting_down = True
0
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parents:
diff changeset
   367
        if isinstance(self._looping_tasks, tuple): # if tasks have been started
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parents:
diff changeset
   368
            for looptask in self._looping_tasks:
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parents:
diff changeset
   369
                self.info('canceling task %s...', looptask.name)
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parents:
diff changeset
   370
                looptask.cancel()
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diff changeset
   371
                looptask.join()
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parents:
diff changeset
   372
                self.info('task %s finished', looptask.name)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   373
        for thread in self._running_threads:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   374
            self.info('waiting thread %s...', thread.name)
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parents:
diff changeset
   375
            thread.join()
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parents:
diff changeset
   376
            self.info('thread %s finished', thread.name)
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parents:
diff changeset
   377
        self.hm.call_hooks('server_shutdown', repo=self)
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parents:
diff changeset
   378
        self.close_sessions()
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parents:
diff changeset
   379
        while not self._available_pools.empty():
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parents:
diff changeset
   380
            pool = self._available_pools.get_nowait()
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parents:
diff changeset
   381
            try:
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parents:
diff changeset
   382
                pool.close(True)
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parents:
diff changeset
   383
            except:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   384
                self.exception('error while closing %s' % pool)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   385
                continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   386
        if self.pyro_registered:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   387
            pyro_unregister(self.config)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   388
        hits, misses = self.querier.cache_hit, self.querier.cache_miss
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   389
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   390
            self.info('rqlt st cache hit/miss: %s/%s (%s%% hits)', hits, misses,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   391
                      (hits * 100) / (hits + misses))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   392
            hits, misses = self.system_source.cache_hit, self.system_source.cache_miss
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   393
            self.info('sql cache hit/miss: %s/%s (%s%% hits)', hits, misses,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   394
                      (hits * 100) / (hits + misses))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   395
            nocache  = self.system_source.no_cache
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   396
            self.info('sql cache usage: %s/%s (%s%%)', hits+ misses, nocache,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   397
                      ((hits + misses) * 100) / (hits + misses + nocache))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   398
        except ZeroDivisionError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   399
            pass
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   400
2267
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   401
    def _login_from_email(self, login):
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   402
        session = self.internal_session()
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   403
        try:
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   404
            rset = session.execute('Any L WHERE U login L, U primary_email M, '
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   405
                                   'M address %(login)s', {'login': login})
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   406
            if rset.rowcount == 1:
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   407
                login = rset[0][0]
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   408
        finally:
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   409
            session.close()
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   410
        return login
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   411
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   412
    def authenticate_user(self, session, login, password):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   413
        """validate login / password, raise AuthenticationError on failure
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1372
diff changeset
   414
        return associated CWUser instance on success
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
        """
2267
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   416
        if self.vreg.config['allow-email-login'] and '@' in login:
e1d2df3f1091 move login by email functionnality on the repository side to avoid buggy call to internal_session from the web interface side
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2245
diff changeset
   417
            login = self._login_from_email(login)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   418
        for source in self.sources:
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1372
diff changeset
   419
            if source.support_entity('CWUser'):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   420
                try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   421
                    eid = source.authenticate(session, login, password)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   422
                    break
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   423
                except AuthenticationError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
                    continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   425
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
            raise AuthenticationError('authentication failed with all sources')
2268
2f336fd5e040 euser->cwuser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2267
diff changeset
   427
        cwuser = self._build_user(session, eid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   428
        if self.config.consider_user_state and \
2268
2f336fd5e040 euser->cwuser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2267
diff changeset
   429
               not cwuser.state in cwuser.AUTHENTICABLE_STATES:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   430
            raise AuthenticationError('user is not in authenticable state')
2268
2f336fd5e040 euser->cwuser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2267
diff changeset
   431
        return cwuser
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   432
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
    def _build_user(self, session, eid):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1372
diff changeset
   434
        """return a CWUser entity for user with the given eid"""
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   435
        cls = self.vreg['etypes'].etype_class('CWUser')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
        rql = cls.fetch_rql(session.user, ['X eid %(x)s'])
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437
        rset = session.execute(rql, {'x': eid}, 'x')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   438
        assert len(rset) == 1, rset
2268
2f336fd5e040 euser->cwuser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2267
diff changeset
   439
        cwuser = rset.get_entity(0, 0)
1138
22f634977c95 make pylint happy, fix some bugs on the way
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
   440
        # pylint: disable-msg=W0104
2268
2f336fd5e040 euser->cwuser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2267
diff changeset
   441
        # prefetch / cache cwuser's groups and properties. This is especially
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
        # useful for internal sessions to avoid security insertions
2268
2f336fd5e040 euser->cwuser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2267
diff changeset
   443
        cwuser.groups
2f336fd5e040 euser->cwuser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2267
diff changeset
   444
        cwuser.properties
2f336fd5e040 euser->cwuser
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2267
diff changeset
   445
        return cwuser
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   446
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   447
    # public (dbapi) interface ################################################
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   448
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
    def get_schema(self):
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2473
diff changeset
   450
        """return the instance schema. This is a public method, not
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   451
        requiring a session id
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   452
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   453
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
            # necessary to support pickling used by pyro
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   455
            self.schema.__hashmode__ = 'pickle'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   456
            return self.schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   457
        finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   458
            self.schema.__hashmode__ = None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   459
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   460
    def get_cubes(self):
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2473
diff changeset
   461
        """return the list of cubes used by this instance. This is a
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   462
        public method, not requiring a session id.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   463
        """
2473
490f88fb99b6 new distinguish repairing/creating from regular start.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2268
diff changeset
   464
        versions = self.get_versions(not (self.config.creating
490f88fb99b6 new distinguish repairing/creating from regular start.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2268
diff changeset
   465
                                          or self.config.repairing))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   466
        cubes = list(versions)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   467
        cubes.remove('cubicweb')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   468
        return cubes
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   469
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   470
    @cached
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   471
    def get_versions(self, checkversions=False):
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2473
diff changeset
   472
        """return the a dictionary containing cubes used by this instance
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   473
        as key with their version as value, including cubicweb version. This is a
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   474
        public method, not requiring a session id.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   475
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   476
        from logilab.common.changelog import Version
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   477
        vcconf = {}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   478
        session = self.internal_session()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   480
            for pk, version in session.execute(
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1372
diff changeset
   481
                'Any K,V WHERE P is CWProperty, P value V, P pkey K, '
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   482
                'P pkey ~="system.version.%"', build_descr=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   483
                cube = pk.split('.')[-1]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   484
                # XXX cubicweb migration
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   485
                if cube in CW_MIGRATION_MAP:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   486
                    cube = CW_MIGRATION_MAP[cube]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   487
                version = Version(version)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   488
                vcconf[cube] = version
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   489
                if checkversions:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   490
                    if cube != 'cubicweb':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
                        fsversion = self.config.cube_version(cube)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   492
                    else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   493
                        fsversion = self.config.cubicweb_version()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   494
                    if version < fsversion:
2476
1294a6bdf3bf application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2473
diff changeset
   495
                        msg = ('instance has %s version %s but %s '
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   496
                               'is installed. Run "cubicweb-ctl upgrade".')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   497
                        raise ExecutionError(msg % (cube, version, fsversion))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   498
        finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   499
            session.close()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
        return vcconf
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   501
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   502
    @cached
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   503
    def source_defs(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
        sources = self.config.sources().copy()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   505
        # remove manager information
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   506
        sources.pop('admin', None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   507
        # remove sensitive information
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   508
        for uri, sourcedef in sources.iteritems():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   509
            sourcedef = sourcedef.copy()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   510
            self.sources_by_uri[uri].remove_sensitive_information(sourcedef)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   511
            sources[uri] = sourcedef
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   512
        return sources
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   513
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   514
    def properties(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
        """return a result set containing system wide properties"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   516
        session = self.internal_session()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   517
        try:
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1372
diff changeset
   518
            return session.execute('Any K,V WHERE P is CWProperty,'
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   519
                                   'P pkey K, P value V, NOT P for_user U',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
                                   build_descr=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   521
        finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
            session.close()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
1372
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   524
    def register_user(self, login, password, email=None, **kwargs):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
        """check a user with the given login exists, if not create it with the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
        given password. This method is designed to be used for anonymous
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   527
        registration on public web site.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   528
        """
1664
03ebeccf9f1d add XXX before 2 calls to self.repo.internal_session() on the web interface side
Florent <florent@secondweb.fr>
parents: 1482
diff changeset
   529
        # XXX should not be called from web interface
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   530
        session = self.internal_session()
1372
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   531
        # for consistency, keep same error as unique check hook (although not required)
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   532
        errmsg = session._('the value "%s" is already used, use another one')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   533
        try:
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1372
diff changeset
   534
            if (session.execute('CWUser X WHERE X login %(login)s', {'login': login})
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1372
diff changeset
   535
                or session.execute('CWUser X WHERE X use_email C, C address %(login)s',
1372
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   536
                                   {'login': login})):
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   537
                raise ValidationError(None, {'login': errmsg % login})
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   538
            # we have to create the user
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   539
            user = self.vreg['etypes'].etype_class('CWUser')(session, None)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
            if isinstance(password, unicode):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
                # password should *always* be utf8 encoded
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
                password = password.encode('UTF8')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   543
            kwargs['login'] = login
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   544
            kwargs['upassword'] = password
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   545
            user.update(kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   546
            self.glob_add_entity(session, user)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
            session.execute('SET X in_group G WHERE X eid %(x)s, G name "users"',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   548
                            {'x': user.eid})
1372
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   549
            if email or '@' in login:
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   550
                d = {'login': login, 'email': email or login}
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   551
                if session.execute('EmailAddress X WHERE X address %(email)s', d):
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   552
                    raise ValidationError(None, {'address': errmsg % d['email']})
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   553
                session.execute('INSERT EmailAddress X: X address %(email)s, '
d4264cd876e1 register_user can now also set an email
Florent <florent@secondweb.fr>
parents: 1320
diff changeset
   554
                                'U primary_email X, U use_email X WHERE U login %(login)s', d)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   555
            session.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   556
        finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   557
            session.close()
594
76218d42d21f return success or not on creation of user
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 479
diff changeset
   558
        return True
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   559
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   560
    def connect(self, login, password, cnxprops=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   561
        """open a connection for a given user
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   562
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   563
        base_url may be needed to send mails
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   564
        cnxtype indicate if this is a pyro connection or a in-memory connection
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   565
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   566
        raise `AuthenticationError` if the authentication failed
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   567
        raise `ConnectionError` if we can't open a connection
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   568
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   569
        # use an internal connection
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   570
        session = self.internal_session()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   571
        # try to get a user object
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   572
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   573
            user = self.authenticate_user(session, login, password)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   574
        finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   575
            session.close()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   576
        session = Session(user, self, cnxprops)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   577
        user.req = user.rset.req = session
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   578
        user.clear_related_cache()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   579
        self._sessions[session.id] = session
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   580
        self.info('opened %s', session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   581
        self.hm.call_hooks('session_open', session=session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   582
        # commit session at this point in case write operation has been done
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   583
        # during `session_open` hooks
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   584
        session.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   585
        return session.id
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   586
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   587
    def execute(self, sessionid, rqlstring, args=None, eid_key=None, build_descr=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   588
        """execute a RQL query
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   589
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   590
        * rqlstring should be an unicode string or a plain ascii string
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   591
        * args the optional parameters used in the query
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   592
        * build_descr is a flag indicating if the description should be
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   593
          built on select queries
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   594
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   595
        session = self._get_session(sessionid, setpool=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   596
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   597
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   598
                return self.querier.execute(session, rqlstring, args, eid_key,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   599
                                            build_descr)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   600
            except (Unauthorized, RQLSyntaxError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   601
                raise
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   602
            except ValidationError, ex:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   603
                # need ValidationError normalization here so error may pass
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   604
                # through pyro
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   605
                if hasattr(ex.entity, 'eid'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   606
                    ex.entity = ex.entity.eid # error raised by yams
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   607
                    args = list(ex.args)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   608
                    args[0] = ex.entity
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   609
                    ex.args = tuple(args)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   610
                raise
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   611
            except:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   612
                # FIXME: check error to catch internal errors
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   613
                self.exception('unexpected error')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   614
                raise
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   615
        finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   616
            session.reset_pool()
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   617
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   618
    def describe(self, sessionid, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   619
        """return a tuple (type, source, extid) for the entity with id <eid>"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   620
        session = self._get_session(sessionid, setpool=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   621
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   622
            return self.type_and_source_from_eid(eid, session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   623
        finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   624
            session.reset_pool()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   625
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   626
    def check_session(self, sessionid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   627
        """raise `BadSessionId` if the connection is no more valid"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   628
        self._get_session(sessionid, setpool=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   629
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   630
    def get_shared_data(self, sessionid, key, default=None, pop=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   631
        """return the session's data dictionary"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   632
        session = self._get_session(sessionid, setpool=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   633
        return session.get_shared_data(key, default, pop)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   634
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   635
    def set_shared_data(self, sessionid, key, value, querydata=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   636
        """set value associated to `key` in shared data
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   637
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   638
        if `querydata` is true, the value will be added to the repository
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   639
        session's query data which are cleared on commit/rollback of the current
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   640
        transaction, and won't be available through the connexion, only on the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   641
        repository side.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   642
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   643
        session = self._get_session(sessionid, setpool=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   644
        session.set_shared_data(key, value, querydata)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   645
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   646
    def commit(self, sessionid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   647
        """commit transaction for the session with the given id"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   648
        self.debug('begin commit for session %s', sessionid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   649
        try:
1880
293fe4b49e28 two in one: #343320: Logging out while deleting a CWUser blocks the cw server / #342692: ensure transaction state when Ctrl-C or other stop signal is received
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1664
diff changeset
   650
            self._get_session(sessionid).commit()
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   651
        except (ValidationError, Unauthorized):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   652
            raise
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   653
        except:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   654
            self.exception('unexpected error')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   655
            raise
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   656
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   657
    def rollback(self, sessionid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   658
        """commit transaction for the session with the given id"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   659
        self.debug('begin rollback for session %s', sessionid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   660
        try:
1880
293fe4b49e28 two in one: #343320: Logging out while deleting a CWUser blocks the cw server / #342692: ensure transaction state when Ctrl-C or other stop signal is received
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1664
diff changeset
   661
            self._get_session(sessionid).rollback()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   662
        except:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   663
            self.exception('unexpected error')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   664
            raise
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   665
1939
67e7379edd96 #343379: disturbing message on upgrade
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1883
diff changeset
   666
    def close(self, sessionid, checkshuttingdown=True):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   667
        """close the session with the given id"""
1939
67e7379edd96 #343379: disturbing message on upgrade
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1883
diff changeset
   668
        session = self._get_session(sessionid, setpool=True,
67e7379edd96 #343379: disturbing message on upgrade
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1883
diff changeset
   669
                                    checkshuttingdown=checkshuttingdown)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   670
        # operation uncommited before close are rollbacked before hook is called
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   671
        session.rollback()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   672
        self.hm.call_hooks('session_close', session=session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   673
        # commit session at this point in case write operation has been done
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   674
        # during `session_close` hooks
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   675
        session.commit()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   676
        session.close()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   677
        del self._sessions[sessionid]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   678
        self.info('closed session %s for user %s', sessionid, session.user.login)
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   679
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   680
    def user_info(self, sessionid, props=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   681
        """this method should be used by client to:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   682
        * check session id validity
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   683
        * update user information on each user's request (i.e. groups and
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   684
          custom properties)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   685
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   686
        session = self._get_session(sessionid, setpool=False)
2245
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   687
        if props is not None:
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   688
            self.set_session_props(sessionid, props)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   689
        user = session.user
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   690
        return user.eid, user.login, user.groups, user.properties
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   691
2245
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   692
    def set_session_props(self, sessionid, props):
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   693
        """this method should be used by client to:
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   694
        * check session id validity
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   695
        * update user information on each user's request (i.e. groups and
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   696
          custom properties)
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   697
        """
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   698
        session = self._get_session(sessionid, setpool=False)
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   699
        # update session properties
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   700
        for prop, value in props.items():
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   701
            session.change_property(prop, value)
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2192
diff changeset
   702
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   703
    # public (inter-repository) interface #####################################
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   704
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   705
    def entities_modified_since(self, etypes, mtime):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   706
        """function designed to be called from an external repository which
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   707
        is using this one as a rql source for synchronization, and return a
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   708
        3-uple containing :
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   709
        * the local date
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   710
        * list of (etype, eid) of entities of the given types which have been
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   711
          modified since the given timestamp (actually entities whose full text
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   712
          index content has changed)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   713
        * list of (etype, eid) of entities of the given types which have been
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   714
          deleted since the given timestamp
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   715
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   716
        session = self.internal_session()
1016
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 636
diff changeset
   717
        updatetime = datetime.now()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   718
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   719
            modentities, delentities = self.system_source.modified_entities(
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   720
                session, etypes, mtime)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   721
            return updatetime, modentities, delentities
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   722
        finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   723
            session.close()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   724
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   725
    # session handling ########################################################
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   726
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   727
    def close_sessions(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   728
        """close every opened sessions"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   729
        for sessionid in self._sessions.keys():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   730
            try:
1939
67e7379edd96 #343379: disturbing message on upgrade
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1883
diff changeset
   731
                self.close(sessionid, checkshuttingdown=False)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   732
            except:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   733
                self.exception('error while closing session %s' % sessionid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   734
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   735
    def clean_sessions(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   736
        """close sessions not used since an amount of time specified in the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   737
        configuration
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   738
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   739
        mintime = time() - self.config['session-time']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   740
        self.debug('cleaning session unused since %s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   741
                   strftime('%T', localtime(mintime)))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   742
        nbclosed = 0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   743
        for session in self._sessions.values():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   744
            if session.timestamp < mintime:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   745
                self.close(session.id)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   746
                nbclosed += 1
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   747
        return nbclosed
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   748
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   749
    def internal_session(self, cnxprops=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   750
        """return a dbapi like connection/cursor using internal user which
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   751
        have every rights on the repository. You'll *have to* commit/rollback
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   752
        or close (rollback implicitly) the session once the job's done, else
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   753
        you'll leak connections pool up to the time where no more pool is
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   754
        available, causing irremediable freeze...
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   755
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   756
        session = InternalSession(self, cnxprops)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   757
        session.set_pool()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   758
        return session
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   759
1939
67e7379edd96 #343379: disturbing message on upgrade
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1883
diff changeset
   760
    def _get_session(self, sessionid, setpool=False, checkshuttingdown=True):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   761
        """return the user associated to the given session identifier"""
1939
67e7379edd96 #343379: disturbing message on upgrade
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1883
diff changeset
   762
        if checkshuttingdown and self._shutting_down:
1883
011e13d74cfc shuting -> shutting
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1880
diff changeset
   763
            raise Exception('Repository is shutting down')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   764
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   765
            session = self._sessions[sessionid]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   766
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   767
            raise BadConnectionId('No such session %s' % sessionid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   768
        if setpool:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   769
            session.set_pool()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   770
        return session
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   771
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   772
    # data sources handling ###################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   773
    # * correspondance between eid and (type, source)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   774
    # * correspondance between eid and local id (i.e. specific to a given source)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   775
    # * searchable text indexes
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   776
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   777
    def type_and_source_from_eid(self, eid, session=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   778
        """return a tuple (type, source, extid) for the entity with id <eid>"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   779
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   780
            eid = typed_eid(eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   781
        except ValueError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   782
            raise UnknownEid(eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   783
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   784
            return self._type_source_cache[eid]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   785
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   786
            if session is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   787
                session = self.internal_session()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   788
                reset_pool = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   789
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   790
                reset_pool = False
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   791
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   792
                etype, uri, extid = self.system_source.eid_type_source(session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   793
                                                                       eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   794
            finally:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   795
                if reset_pool:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   796
                    session.reset_pool()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   797
        self._type_source_cache[eid] = (etype, uri, extid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   798
        if uri != 'system':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   799
            self._extid_cache[(extid, uri)] = eid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   800
        return etype, uri, extid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   801
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   802
    def clear_caches(self, eids):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   803
        etcache = self._type_source_cache
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   804
        extidcache = self._extid_cache
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   805
        rqlcache = self.querier._rql_cache
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   806
        for eid in eids:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   807
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   808
                etype, uri, extid = etcache.pop(typed_eid(eid)) # may be a string in some cases
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   809
                rqlcache.pop('%s X WHERE X eid %s' % (etype, eid), None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   810
                extidcache.pop((extid, uri), None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   811
            except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   812
                etype = None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   813
            rqlcache.pop('Any X WHERE X eid %s' % eid, None)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   814
            for source in self.sources:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   815
                source.clear_eid_cache(eid, etype)
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   816
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   817
    def type_from_eid(self, eid, session=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   818
        """return the type of the entity with id <eid>"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   819
        return self.type_and_source_from_eid(eid, session)[0]
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   820
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   821
    def source_from_eid(self, eid, session=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   822
        """return the source for the given entity's eid"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   823
        return self.sources_by_uri[self.type_and_source_from_eid(eid, session)[1]]
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   824
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   825
    def eid2extid(self, source, eid, session=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   826
        """get local id from an eid"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   827
        etype, uri, extid = self.type_and_source_from_eid(eid, session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   828
        if source.uri != uri:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   829
            # eid not from the given source
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   830
            raise UnknownEid(eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   831
        return extid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   832
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   833
    def extid2eid(self, source, extid, etype, session=None, insert=True,
1250
5c20a7f13c84 new recreate argument to extid2eid when an external source want to recreate entities previously imported with a predictable ext id
sylvain.thenault@logilab.fr
parents: 1228
diff changeset
   834
                  recreate=False):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   835
        """get eid from a local id. An eid is attributed if no record is found"""
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   836
        cachekey = (extid, source.uri)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   837
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   838
            return self._extid_cache[cachekey]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   839
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   840
            pass
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   841
        reset_pool = False
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   842
        if session is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   843
            session = self.internal_session()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   844
            reset_pool = True
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   845
        eid = self.system_source.extid2eid(session, source, extid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   846
        if eid is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   847
            self._extid_cache[cachekey] = eid
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   848
            self._type_source_cache[eid] = (etype, source.uri, extid)
1250
5c20a7f13c84 new recreate argument to extid2eid when an external source want to recreate entities previously imported with a predictable ext id
sylvain.thenault@logilab.fr
parents: 1228
diff changeset
   849
            if recreate:
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   850
                entity = source.before_entity_insertion(session, extid, etype, eid)
1250
5c20a7f13c84 new recreate argument to extid2eid when an external source want to recreate entities previously imported with a predictable ext id
sylvain.thenault@logilab.fr
parents: 1228
diff changeset
   851
                entity._cw_recreating = True
5c20a7f13c84 new recreate argument to extid2eid when an external source want to recreate entities previously imported with a predictable ext id
sylvain.thenault@logilab.fr
parents: 1228
diff changeset
   852
                if source.should_call_hooks:
5c20a7f13c84 new recreate argument to extid2eid when an external source want to recreate entities previously imported with a predictable ext id
sylvain.thenault@logilab.fr
parents: 1228
diff changeset
   853
                    self.hm.call_hooks('before_add_entity', etype, session, entity)
5c20a7f13c84 new recreate argument to extid2eid when an external source want to recreate entities previously imported with a predictable ext id
sylvain.thenault@logilab.fr
parents: 1228
diff changeset
   854
                # XXX add fti op ?
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   855
                source.after_entity_insertion(session, extid, entity)
1250
5c20a7f13c84 new recreate argument to extid2eid when an external source want to recreate entities previously imported with a predictable ext id
sylvain.thenault@logilab.fr
parents: 1228
diff changeset
   856
                if source.should_call_hooks:
5c20a7f13c84 new recreate argument to extid2eid when an external source want to recreate entities previously imported with a predictable ext id
sylvain.thenault@logilab.fr
parents: 1228
diff changeset
   857
                    self.hm.call_hooks('after_add_entity', etype, session, entity)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   858
            if reset_pool:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   859
                session.reset_pool()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   860
            return eid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   861
        if not insert:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   862
            return
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   863
        # no link between extid and eid, create one using an internal session
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   864
        # since the current session user may not have required permissions to
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   865
        # do necessary stuff and we don't want to commit user session.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   866
        #
450
5e14ea0e81c8 a note for later
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 341
diff changeset
   867
        # Moreover, even if session is already an internal session but is
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   868
        # processing a commit, we have to use another one
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   869
        if not session.is_internal_session:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   870
            session = self.internal_session()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   871
            reset_pool = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   872
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   873
            eid = self.system_source.create_eid(session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   874
            self._extid_cache[cachekey] = eid
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   875
            self._type_source_cache[eid] = (etype, source.uri, extid)
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   876
            entity = source.before_entity_insertion(session, extid, etype, eid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   877
            if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   878
                self.hm.call_hooks('before_add_entity', etype, session, entity)
450
5e14ea0e81c8 a note for later
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 341
diff changeset
   879
            # XXX call add_info with complete=False ?
1954
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   880
            self.add_info(session, entity, source, extid)
9b20f3504af8 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1939
diff changeset
   881
            source.after_entity_insertion(session, extid, entity)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   882
            if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   883
                self.hm.call_hooks('after_add_entity', etype, session, entity)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   884
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   885
                # minimal meta-data
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   886
                session.execute('SET X is E WHERE X eid %(x)s, E name %(name)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   887
                                {'x': entity.eid, 'name': entity.id}, 'x')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   888
            session.commit(reset_pool)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   889
            return eid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   890
        except:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   891
            session.rollback(reset_pool)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   892
            raise
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   893
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   894
    def add_info(self, session, entity, source, extid=None, complete=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   895
        """add type and source info for an eid into the system table,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   896
        and index the entity with the full text index
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   897
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   898
        # begin by inserting eid/type/source/extid into the entities table
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   899
        self.system_source.add_info(session, entity, source, extid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   900
        if complete:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   901
            entity.complete(entity.e_schema.indexable_attributes())
2101
08003e0354a7 update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   902
        new = session.transaction_data.setdefault('neweids', set())
08003e0354a7 update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   903
        new.add(entity.eid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   904
        # now we can update the full text index
1160
77bf88f01fcc new delay-full-text-indexation configuration option
sylvain.thenault@logilab.fr
parents: 594
diff changeset
   905
        if self.do_fti:
77bf88f01fcc new delay-full-text-indexation configuration option
sylvain.thenault@logilab.fr
parents: 594
diff changeset
   906
            FTIndexEntityOp(session, entity=entity)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   907
        CleanupEidTypeCacheOp(session)
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   908
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   909
    def delete_info(self, session, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   910
        self._prepare_delete_info(session, eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   911
        self._delete_info(session, eid)
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   912
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   913
    def _prepare_delete_info(self, session, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   914
        """prepare the repository for deletion of an entity:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   915
        * update the fti
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   916
        * mark eid as being deleted in session info
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   917
        * setup cache update operation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   918
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   919
        self.system_source.fti_unindex_entity(session, eid)
2101
08003e0354a7 update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   920
        pending = session.transaction_data.setdefault('pendingeids', set())
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   921
        pending.add(eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   922
        CleanupEidTypeCacheOp(session)
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   923
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   924
    def _delete_info(self, session, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   925
        """delete system information on deletion of an entity:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   926
        * delete all relations on this entity
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   927
        * transfer record from the entities table to the deleted_entities table
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   928
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   929
        etype, uri, extid = self.type_and_source_from_eid(eid, session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   930
        self._clear_eid_relations(session, etype, eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   931
        self.system_source.delete_info(session, eid, etype, uri, extid)
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   932
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   933
    def _clear_eid_relations(self, session, etype, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   934
        """when a entity is deleted, build and execute rql query to delete all
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   935
        its relations
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   936
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   937
        rql = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   938
        eschema = self.schema.eschema(etype)
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2631
diff changeset
   939
        pendingrtypes = session.transaction_data.get('pendingrtypes', ())
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   940
        for rschema, targetschemas, x in eschema.relation_definitions():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   941
            rtype = rschema.type
2641
9c33d98a074e R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2631
diff changeset
   942
            if rtype in VIRTUAL_RTYPES or rtype in pendingrtypes:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   943
                continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   944
            var = '%s%s' % (rtype.upper(), x.upper())
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   945
            if x == 'subject':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   946
                # don't skip inlined relation so they are regularly
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   947
                # deleted and so hooks are correctly called
2731
815b93271338 delete relations one by one to avoid too complex rql analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2709
diff changeset
   948
                selection = 'X %s %s' % (rtype, var)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   949
            else:
2731
815b93271338 delete relations one by one to avoid too complex rql analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2709
diff changeset
   950
                selection = '%s %s X' % (var, rtype)
815b93271338 delete relations one by one to avoid too complex rql analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2709
diff changeset
   951
            rql = 'DELETE %s WHERE X eid %%(x)s' % selection
815b93271338 delete relations one by one to avoid too complex rql analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2709
diff changeset
   952
            # unsafe_execute since we suppose that if user can delete the entity,
815b93271338 delete relations one by one to avoid too complex rql analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2709
diff changeset
   953
            # he can delete all its relations without security checking
815b93271338 delete relations one by one to avoid too complex rql analysis
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2709
diff changeset
   954
            session.unsafe_execute(rql, {'x': eid}, 'x', build_descr=False)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   955
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   956
    def index_entity(self, session, entity):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   957
        """full text index a modified entity"""
2101
08003e0354a7 update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   958
        alreadydone = session.transaction_data.setdefault('indexedeids', set())
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   959
        if entity.eid in alreadydone:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   960
            self.info('skipping reindexation of %s, already done', entity.eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   961
            return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   962
        alreadydone.add(entity.eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   963
        self.system_source.fti_index_entity(session, entity)
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   964
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   965
    def locate_relation_source(self, session, subject, rtype, object):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   966
        subjsource = self.source_from_eid(subject, session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   967
        objsource = self.source_from_eid(object, session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   968
        if not (subjsource is objsource and subjsource.support_relation(rtype, 1)):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   969
            source = self.system_source
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   970
            if not source.support_relation(rtype, 1):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   971
                raise RTypeNotSupportedBySources(rtype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   972
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   973
            source = subjsource
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   974
        return source
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   975
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   976
    def locate_etype_source(self, etype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   977
        for source in self.sources:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   978
            if source.support_entity(etype, 1):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   979
                return source
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   980
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   981
            raise ETypeNotSupportedBySources(etype)
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   982
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   983
    def glob_add_entity(self, session, entity):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   984
        """add an entity to the repository
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   985
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   986
        the entity eid should originaly be None and a unique eid is assigned to
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   987
        the entity instance
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   988
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   989
        entity = entity.pre_add_hook()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   990
        eschema = entity.e_schema
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   991
        etype = str(eschema)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   992
        source = self.locate_etype_source(etype)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   993
        # attribute an eid to the entity before calling hooks
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   994
        entity.set_eid(self.system_source.create_eid(session))
2600
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   995
        if server.DEBUG & server.DBG_REPO:
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
   996
            print 'ADD entity', etype, entity.eid, dict(entity)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   997
        entity._is_saved = False # entity has an eid but is not yet saved
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   998
        relations = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   999
        # if inlined relations are specified, fill entity's related cache to
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1000
        # avoid unnecessary queries
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1001
        for attr in entity.keys():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1002
            rschema = eschema.subject_relation(attr)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1003
            if not rschema.is_final(): # inlined relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1004
                relations.append((attr, entity[attr]))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1005
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1006
            self.hm.call_hooks('before_add_entity', etype, session, entity)
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1007
        entity.edited_attributes = entity.keys()
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1008
        entity.set_defaults()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1009
        entity.check(creation=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1010
        source.add_entity(session, entity)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1011
        if source.uri != 'system':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1012
            extid = source.get_extid(entity)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1013
            self._extid_cache[(str(extid), source.uri)] = entity.eid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1014
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1015
            extid = None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1016
        self.add_info(session, entity, source, extid, complete=False)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1017
        entity._is_saved = True # entity has an eid and is saved
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1018
        # prefill entity relation caches
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1019
        session.set_entity_cache(entity)
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1020
        for rschema in eschema.subject_relations():
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1021
            rtype = str(rschema)
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1022
            if rtype in VIRTUAL_RTYPES:
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1023
                continue
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1024
            if rschema.is_final():
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1025
                entity.setdefault(rtype, None)
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1026
            else:
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1027
                entity.set_related_cache(rtype, 'subject', session.empty_rset())
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1028
        for rschema in eschema.object_relations():
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1029
            rtype = str(rschema)
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1030
            if rtype in VIRTUAL_RTYPES:
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1031
                continue
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1032
            entity.set_related_cache(rtype, 'object', session.empty_rset())
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1033
        # trigger after_add_entity after after_add_relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1034
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1035
            self.hm.call_hooks('after_add_entity', etype, session, entity)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1036
            # call hooks for inlined relations
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1037
            for attr, value in relations:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1038
                self.hm.call_hooks('before_add_relation', attr, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1039
                                    entity.eid, attr, value)
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1040
                session.update_rel_cache_add(entity.eid, attr, value)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1041
                self.hm.call_hooks('after_add_relation', attr, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1042
                                    entity.eid, attr, value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1043
        return entity.eid
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1044
2667
c8aa82538d8e [repo] explicitly specifies edited attributes to glob_update_entity
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2665
diff changeset
  1045
    def glob_update_entity(self, session, entity, edited_attributes):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1046
        """replace an entity in the repository
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1047
        the type and the eid of an entity must not be changed
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1048
        """
2600
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1049
        etype = str(entity.e_schema)
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1050
        if server.DEBUG & server.DBG_REPO:
2667
c8aa82538d8e [repo] explicitly specifies edited attributes to glob_update_entity
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2665
diff changeset
  1051
            print 'UPDATE entity', etype, entity.eid, \
c8aa82538d8e [repo] explicitly specifies edited attributes to glob_update_entity
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2665
diff changeset
  1052
                  dict(entity), edited_attributes
c8aa82538d8e [repo] explicitly specifies edited attributes to glob_update_entity
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2665
diff changeset
  1053
        entity.edited_attributes = edited_attributes
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1054
        entity.check()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1055
        eschema = entity.e_schema
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1056
        session.set_entity_cache(entity)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1057
        only_inline_rels, need_fti_update = True, False
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1058
        relations = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1059
        for attr in entity.keys():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1060
            if attr == 'eid':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1061
                continue
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1062
            rschema = eschema.subject_relation(attr)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1063
            if rschema.is_final():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1064
                if eschema.rproperty(attr, 'fulltextindexed'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1065
                    need_fti_update = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1066
                only_inline_rels = False
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1067
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1068
                # inlined relation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1069
                previous_value = entity.related(attr)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1070
                if previous_value:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1071
                    previous_value = previous_value[0][0] # got a result set
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1072
                    if previous_value == entity[attr]:
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1073
                        previous_value = None
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1074
                    else:
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1075
                        self.hm.call_hooks('before_delete_relation', attr,
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1076
                                           session, entity.eid, attr,
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1077
                                           previous_value)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1078
                relations.append((attr, entity[attr], previous_value))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1079
        source = self.source_from_eid(entity.eid, session)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1080
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1081
            # call hooks for inlined relations
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1082
            for attr, value, _ in relations:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1083
                self.hm.call_hooks('before_add_relation', attr, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1084
                                    entity.eid, attr, value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1085
            if not only_inline_rels:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1086
                self.hm.call_hooks('before_update_entity', etype, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1087
                                    entity)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1088
        source.update_entity(session, entity)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1089
        if not only_inline_rels:
1160
77bf88f01fcc new delay-full-text-indexation configuration option
sylvain.thenault@logilab.fr
parents: 594
diff changeset
  1090
            if need_fti_update and self.do_fti:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1091
                # reindex the entity only if this query is updating at least
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1092
                # one indexable attribute
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1093
                FTIndexEntityOp(session, entity=entity)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1094
            if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1095
                self.hm.call_hooks('after_update_entity', etype, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1096
                                    entity)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1097
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1098
            for attr, value, prevvalue in relations:
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1099
                # if the relation is already cached, update existant cache
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1100
                relcache = entity.relation_cached(attr, 'subject')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1101
                if prevvalue:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1102
                    self.hm.call_hooks('after_delete_relation', attr, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1103
                                       entity.eid, attr, prevvalue)
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1104
                    if relcache is not None:
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1105
                        session.update_rel_cache_del(entity.eid, attr, prevvalue)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1106
                del_existing_rel_if_needed(session, entity.eid, attr, value)
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1107
                if relcache is not None:
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1108
                    session.update_rel_cache_add(entity.eid, attr, value)
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1109
                else:
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1110
                    entity.set_related_cache(attr, 'subject',
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1111
                                             session.eid_rset(value))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1112
                self.hm.call_hooks('after_add_relation', attr, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1113
                                    entity.eid, attr, value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1114
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1115
    def glob_delete_entity(self, session, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1116
        """delete an entity and all related entities from the repository"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1117
        # call delete_info before hooks
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1118
        self._prepare_delete_info(session, eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1119
        etype, uri, extid = self.type_and_source_from_eid(eid, session)
2600
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1120
        if server.DEBUG & server.DBG_REPO:
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1121
            print 'DELETE entity', etype, eid
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1122
            if eid == 937:
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1123
                server.DEBUG |= (server.DBG_SQL | server.DBG_RQL | server.DBG_MORE)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1124
        source = self.sources_by_uri[uri]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1125
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1126
            self.hm.call_hooks('before_delete_entity', etype, session, eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1127
        self._delete_info(session, eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1128
        source.delete_entity(session, etype, eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1129
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1130
            self.hm.call_hooks('after_delete_entity', etype, session, eid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1131
        # don't clear cache here this is done in a hook on commit
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1132
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1133
    def glob_add_relation(self, session, subject, rtype, object):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1134
        """add a relation to the repository"""
2600
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1135
        if server.DEBUG & server.DBG_REPO:
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1136
            print 'ADD relation', subject, rtype, object
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1137
        source = self.locate_relation_source(session, subject, rtype, object)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1138
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1139
            del_existing_rel_if_needed(session, subject, rtype, object)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1140
            self.hm.call_hooks('before_add_relation', rtype, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1141
                               subject, rtype, object)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1142
        source.add_relation(session, subject, rtype, object)
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1143
        rschema = self.schema.rschema(rtype)
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1144
        session.update_rel_cache_add(subject, rtype, object, rschema.symetric)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1145
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1146
            self.hm.call_hooks('after_add_relation', rtype, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1147
                               subject, rtype, object)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1148
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1149
    def glob_delete_relation(self, session, subject, rtype, object):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1150
        """delete a relation from the repository"""
2600
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1151
        if server.DEBUG & server.DBG_REPO:
6cd6c5d11b45 [F repo debugging] log repo event on DBG_REPO debug level
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2596
diff changeset
  1152
            print 'DELETE relation', subject, rtype, object
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1153
        source = self.locate_relation_source(session, subject, rtype, object)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1154
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1155
            self.hm.call_hooks('before_delete_relation', rtype, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1156
                               subject, rtype, object)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1157
        source.delete_relation(session, subject, rtype, object)
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1158
        rschema = self.schema.rschema(rtype)
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1159
        session.update_rel_cache_del(subject, rtype, object, rschema.symetric)
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2641
diff changeset
  1160
        if rschema.symetric:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1161
            # on symetric relation, we can't now in which sense it's
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1162
            # stored so try to delete both
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1163
            source.delete_relation(session, object, rtype, subject)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1164
        if source.should_call_hooks:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1165
            self.hm.call_hooks('after_delete_relation', rtype, session,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1166
                               subject, rtype, object)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1167
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1168
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1169
    # pyro handling ###########################################################
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1170
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1171
    def pyro_register(self, host=''):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1172
        """register the repository as a pyro object"""
2665
0c6281487f90 [pyro] use lgc.pyro_ext, simplify pyro related options
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
  1173
        from logilab.common.pyro_ext import register_object
0c6281487f90 [pyro] use lgc.pyro_ext, simplify pyro related options
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
  1174
        appid = self.config['pyro-id'] or self.config.appid
0c6281487f90 [pyro] use lgc.pyro_ext, simplify pyro related options
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
  1175
        daemon = register_object(self, appid, self.config['pyro-ns-group'],
0c6281487f90 [pyro] use lgc.pyro_ext, simplify pyro related options
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
  1176
                                 self.config['pyro-host'],
0c6281487f90 [pyro] use lgc.pyro_ext, simplify pyro related options
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
  1177
                                 self.config['pyro-ns-host'])
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1178
        msg = 'repository registered as a pyro object using group %s and id %s'
2665
0c6281487f90 [pyro] use lgc.pyro_ext, simplify pyro related options
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
  1179
        self.info(msg, self.config['pyro-ns-group'], appid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1180
        self.pyro_registered = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1181
        return daemon
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1182
1228
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1183
    # multi-sources planner helpers ###########################################
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1184
1228
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1185
    @cached
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1186
    def rel_type_sources(self, rtype):
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1187
        return [source for source in self.sources
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1188
                if source.support_relation(rtype)
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1189
                or rtype in source.dont_cross_relations]
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1190
1228
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1191
    @cached
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1192
    def can_cross_relation(self, rtype):
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1193
        return [source for source in self.sources
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1194
                if source.support_relation(rtype)
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1195
                and rtype in source.cross_relations]
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1196
1228
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1197
    @cached
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1198
    def is_multi_sources_relation(self, rtype):
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1199
        return any(source for source in self.sources
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1200
                   if not source is self.system_source
91ae10ffb611 * refactor ms planner (renaming, reorganization)
sylvain.thenault@logilab.fr
parents: 1217
diff changeset
  1201
                   and source.support_relation(rtype))
1482
93c613913912 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
  1202
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1203
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1204
def pyro_unregister(config):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1205
    """unregister the repository from the pyro name server"""
2665
0c6281487f90 [pyro] use lgc.pyro_ext, simplify pyro related options
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
  1206
    from logilab.common.pyro_ext import ns_unregister
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1207
    appid = config['pyro-id'] or config.appid
2665
0c6281487f90 [pyro] use lgc.pyro_ext, simplify pyro related options
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
  1208
    ns_unregister(appid, config['pyro-ns-group'], config['pyro-ns-host'])
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1209
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1210
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1211
from logging import getLogger
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1212
from cubicweb import set_log_methods
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
  1213
set_log_methods(Repository, getLogger('cubicweb.repository'))