dbapi.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Thu, 23 Sep 2010 23:28:58 +0200
changeset 6333 e3994fcc21c3
parent 6293 df44d7163582
parent 6312 b6c2b81e49ec
child 6494 70c87c717e4a
permissions -rw-r--r--
backport stable
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""DB-API 2.0 compliant module
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Take a look at http://www.python.org/peps/pep-0249.html
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(most parts of this document are reported here in docstrings)
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"""
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__docformat__ = "restructuredtext en"
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from threading import currentThread
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from logging import getLogger
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from time import time, clock
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from itertools import count
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from warnings import warn
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from os.path import join
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from logilab.common.logging_ext import set_log_methods
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from logilab.common.decorators import monkeypatch
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from logilab.common.deprecation import deprecated
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from cubicweb import ETYPE_NAME_MAP, ConnectionError, AuthenticationError,\
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     cwvreg, cwconfig
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from cubicweb.req import RequestSessionBase
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_MARKER = object()
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def _fake_property_value(self, name):
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    try:
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        return super(DBAPIRequest, self).property_value(name)
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    except KeyError:
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        return ''
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def multiple_connections_fix():
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    """some monkey patching necessary when an application has to deal with
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    several connections to different repositories. It tries to hide buggy class
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    attributes since classes are not designed to be shared among multiple
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    registries.
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    """
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    defaultcls = cwvreg.VRegistry.REGISTRY_FACTORY[None]
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    etypescls = cwvreg.VRegistry.REGISTRY_FACTORY['etypes']
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    orig_etype_class = etypescls.orig_etype_class = etypescls.etype_class
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    @monkeypatch(defaultcls)
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    def etype_class(self, etype):
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        """return an entity class for the given entity type.
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        Try to find out a specific class for this kind of entity or
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        default to a dump of the class registered for 'Any'
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        """
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        usercls = orig_etype_class(self, etype)
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        if etype == 'Any':
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            return usercls
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        usercls.e_schema = self.schema.eschema(etype)
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        return usercls
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def multiple_connections_unfix():
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    etypescls = cwvreg.VRegistry.REGISTRY_FACTORY['etypes']
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    etypescls.etype_class = etypescls.orig_etype_class
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class ConnectionProperties(object):
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    def __init__(self, cnxtype=None, lang=None, close=True, log=False):
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        self.cnxtype = cnxtype or 'pyro'
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        self.lang = lang
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        self.log_queries = log
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        self.close_on_del = close
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def get_repository(method, database=None, config=None, vreg=None):
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    """get a proxy object to the CubicWeb repository, using a specific RPC method.
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    Only 'in-memory' and 'pyro' are supported for now. Either vreg or config
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    argument should be given
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    """
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    assert method in ('pyro', 'inmemory')
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    assert vreg or config
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    if vreg and not config:
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        config = vreg.config
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    if method == 'inmemory':
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        # get local access to the repository
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        from cubicweb.server.repository import Repository
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        return Repository(config, vreg=vreg)
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    else: # method == 'pyro'
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        # resolve the Pyro object
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   102
        from logilab.common.pyro_ext import ns_get_proxy
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        pyroid = database or config['pyro-instance-id'] or config.appid
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        try:
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            return ns_get_proxy(pyroid, defaultnsgroup=config['pyro-ns-group'],
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   106
                                nshost=config['pyro-ns-host'])
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   107
        except Exception, ex:
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            raise ConnectionError(str(ex))
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def repo_connect(repo, login, **kwargs):
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    """Constructor to create a new connection to the CubicWeb repository.
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   112
0
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    Returns a Connection instance.
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    """
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   115
    if not 'cnxprops' in kwargs:
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        kwargs['cnxprops'] = ConnectionProperties('inmemory')
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    cnxid = repo.connect(unicode(login), **kwargs)
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    cnx = Connection(repo, cnxid, kwargs['cnxprops'])
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    if kwargs['cnxprops'].cnxtype == 'inmemory':
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        cnx.vreg = repo.vreg
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    return cnx
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def connect(database=None, login=None, host=None, group=None,
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            cnxprops=None, setvreg=True, mulcnx=True, initlog=True, **kwargs):
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    """Constructor for creating a connection to the CubicWeb repository.
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   126
    Returns a :class:`Connection` object.
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    Typical usage::
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      cnx = connect('myinstance', login='me', password='toto')
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    Arguments:
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    :database:
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      the instance's pyro identifier.
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   136
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    :login:
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      the user login to use to authenticate.
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    :host:
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      the pyro nameserver host. Will be detected using broadcast query if
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      unspecified.
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    :group:
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      the instance's pyro nameserver group. You don't have to specify it unless
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      tweaked in instance's configuration.
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    :cnxprops:
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      an optional :class:`ConnectionProperties` instance, allowing to specify
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      the connection method (eg in memory or pyro). A Pyro connection will be
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      established if you don't specify that argument.
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    :setvreg:
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      flag telling if a registry should be initialized for the connection.
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      Don't change this unless you know what you're doing.
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   156
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    :mulcnx:
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      Will disappear at some point. Try to deal with connections to differents
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      instances in the same process unless specified otherwise by setting this
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      flag to False. Don't change this unless you know what you're doing.
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   161
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    :initlog:
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      flag telling if logging should be initialized. You usually don't want
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      logging initialization when establishing the connection from a process
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      where it's already initialized.
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   166
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    :kwargs:
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      there goes authentication tokens. You usually have to specify for
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      instance a password for the given user, using a named 'password' argument.
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    """
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    config = cwconfig.CubicWebNoAppConfiguration()
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    if host:
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        config.global_set_option('pyro-ns-host', host)
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    if group:
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        config.global_set_option('pyro-ns-group', group)
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    cnxprops = cnxprops or ConnectionProperties()
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    method = cnxprops.cnxtype
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    repo = get_repository(method, database, config=config)
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    if method == 'inmemory':
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        vreg = repo.vreg
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    elif setvreg:
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        if mulcnx:
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            multiple_connections_fix()
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        vreg = cwvreg.CubicWebVRegistry(config, initlog=initlog)
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        schema = repo.get_schema()
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        for oldetype, newetype in ETYPE_NAME_MAP.items():
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            if oldetype in schema:
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                print 'aliasing', newetype, 'to', oldetype
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                schema._entities[newetype] = schema._entities[oldetype]
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        vreg.set_schema(schema)
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    else:
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        vreg = None
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    cnx = repo_connect(repo, login, cnxprops=cnxprops, **kwargs)
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    cnx.vreg = vreg
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    return cnx
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def in_memory_cnx(config, login, **kwargs):
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    """usefull method for testing and scripting to get a dbapi.Connection
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    object connected to an in-memory repository instance
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    """
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    if isinstance(config, cwvreg.CubicWebVRegistry):
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        vreg = config
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        config = None
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    else:
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        vreg = None
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    # get local access to the repository
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    repo = get_repository('inmemory', config=config, vreg=vreg)
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    # connection to the CubicWeb repository
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    cnxprops = ConnectionProperties('inmemory')
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    cnx = repo_connect(repo, login, cnxprops=cnxprops, **kwargs)
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    return repo, cnx
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class _NeedAuthAccessMock(object):
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    def __getattribute__(self, attr):
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        raise AuthenticationError()
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   216
    def __nonzero__(self):
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        return False
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class DBAPISession(object):
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    def __init__(self, cnx, login=None, authinfo=None):
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        self.cnx = cnx
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        self.data = {}
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        self.login = login
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        self.authinfo = authinfo
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        # dbapi session identifier is the same as the first connection
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        # identifier, but may later differ in case of auto-reconnection as done
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        # by the web authentication manager (in cw.web.views.authentication)
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        if cnx is not None:
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            self.sessionid = cnx.sessionid
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        else:
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            self.sessionid = None
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    @property
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    def anonymous_session(self):
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        return not self.cnx or self.cnx.anonymous_connection
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0
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class DBAPIRequest(RequestSessionBase):
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    def __init__(self, vreg, session=None):
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        super(DBAPIRequest, self).__init__(vreg)
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        try:
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            # no vreg or config which doesn't handle translations
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            self.translations = vreg.config.translations
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        except AttributeError:
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            self.translations = {}
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        self.set_default_language(vreg)
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        # cache entities built during the request
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        self._eid_cache = {}
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        if session is not None:
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            self.set_session(session)
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        else:
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   253
            # these args are initialized after a connection is
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            # established
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            self.session = None
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            self.cnx = self.user = _NeedAuthAccessMock()
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    def from_controller(self):
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        return 'view'
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    def set_session(self, session, user=None):
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        """method called by the session handler when the user is authenticated
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        or an anonymous connection is open
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        """
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        self.session = session
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        if session.cnx:
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            self.cnx = session.cnx
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            self.execute = session.cnx.cursor(self).execute
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            if user is None:
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                user = self.cnx.user(self, {'lang': self.lang})
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   271
        if user is not None:
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            self.user = user
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            self.set_entity_cache(user)
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    def execute(self, *args, **kwargs):
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        """overriden when session is set. By default raise authentication error
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   277
        so authentication is requested.
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        """
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        raise AuthenticationError()
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0
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    def set_default_language(self, vreg):
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        try:
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   283
            self.lang = vreg.property_value('ui.language')
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   284
        except: # property may not be registered
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            self.lang = 'en'
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   286
        # use req.__ to translate a message without registering it to the catalog
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   287
        try:
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   288
            gettext, pgettext = self.translations[self.lang]
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   289
            self._ = self.__ = gettext
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            self.pgettext = pgettext
0
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   291
        except KeyError:
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            # this occurs usually during test execution
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            self._ = self.__ = unicode
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            self.pgettext = lambda x, y: y
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   295
        self.debug('request default language: %s', self.lang)
0
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   296
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    # entities cache management ###############################################
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0
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    def entity_cache(self, eid):
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        return self._eid_cache[eid]
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0
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    def set_entity_cache(self, entity):
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        self._eid_cache[entity.eid] = entity
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   304
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    def cached_entities(self):
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        return self._eid_cache.values()
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   307
0
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    def drop_entity_cache(self, eid=None):
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   309
        if eid is None:
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   310
            self._eid_cache = {}
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        else:
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            del self._eid_cache[eid]
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    # low level session data management #######################################
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    def get_shared_data(self, key, default=None, pop=False, txdata=False):
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        """see :meth:`Connection.get_shared_data`"""
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        return self.cnx.get_shared_data(key, default, pop, txdata)
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    def set_shared_data(self, key, value, txdata=False, querydata=None):
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        """see :meth:`Connection.set_shared_data`"""
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        if querydata is not None:
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            txdata = querydata
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            warn('[3.10] querydata argument has been renamed to txdata',
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                 DeprecationWarning, stacklevel=2)
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        return self.cnx.set_shared_data(key, value, txdata)
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    # server session compat layer #############################################
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    def describe(self, eid):
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        """return a tuple (type, sourceuri, extid) for the entity with id <eid>"""
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        return self.cnx.describe(eid)
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   333
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   334
    def source_defs(self):
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        """return the definition of sources used by the repository."""
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        return self.cnx.source_defs()
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   337
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    def hijack_user(self, user):
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        """return a fake request/session using specified user"""
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        req = DBAPIRequest(self.vreg)
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        req.set_session(self.session, user)
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        return req
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   343
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    @deprecated('[3.8] use direct access to req.session.data dictionary')
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    def session_data(self):
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        """return a dictionnary containing session data"""
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        return self.session.data
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    @deprecated('[3.8] use direct access to req.session.data dictionary')
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    def get_session_data(self, key, default=None, pop=False):
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        if pop:
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            return self.session.data.pop(key, default)
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        return self.session.data.get(key, default)
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    @deprecated('[3.8] use direct access to req.session.data dictionary')
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   356
    def set_session_data(self, key, value):
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        self.session.data[key] = value
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   358
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   359
    @deprecated('[3.8] use direct access to req.session.data dictionary')
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    def del_session_data(self, key):
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        self.session.data.pop(key, None)
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   363
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set_log_methods(DBAPIRequest, getLogger('cubicweb.dbapi'))
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# exceptions ##################################################################
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class ProgrammingError(Exception): #DatabaseError):
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    """Exception raised for errors that are related to the database's operation
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    and not necessarily under the control of the programmer, e.g. an unexpected
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    disconnect occurs, the data source name is not found, a transaction could
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    not be processed, a memory allocation error occurred during processing,
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    etc.
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    """
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# cursor / connection objects ##################################################
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   379
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   380
class Cursor(object):
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    """These objects represent a database cursor, which is used to manage the
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    context of a fetch operation. Cursors created from the same connection are
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    not isolated, i.e., any changes done to the database by a cursor are
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   384
    immediately visible by the other cursors. Cursors created from different
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   385
    connections are isolated.
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   386
    """
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   387
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   388
    def __init__(self, connection, repo, req=None):
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   389
        """This read-only attribute return a reference to the Connection
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   390
        object on which the cursor was created.
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   391
        """
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   392
        self.connection = connection
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   393
        """optionnal issuing request instance"""
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   394
        self.req = req
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   395
        self._repo = repo
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   396
        self._sessid = connection.sessionid
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   397
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   398
    def close(self):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   399
        """no effect"""
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   400
        pass
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   401
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   402
    def _txid(self):
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   403
        return self.connection._txid(self)
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   404
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   405
    def execute(self, rql, args=None, eid_key=None, build_descr=True):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   406
        """execute a rql query, return resulting rows and their description in
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   407
        a :class:`~cubicweb.rset.ResultSet` object
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   408
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   409
        * `rql` should be an Unicode string or a plain ASCII string, containing
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   410
          the rql query
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   411
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   412
        * `args` the optional args dictionary associated to the query, with key
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   413
          matching named substitution in `rql`
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   414
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   415
        * `build_descr` is a boolean flag indicating if the description should
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   416
          be built on select queries (if false, the description will be en empty
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   417
          list)
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   418
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   419
        on INSERT queries, there will be one row for each inserted entity,
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   420
        containing its eid
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   421
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   422
        on SET queries, XXX describe
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   423
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   424
        DELETE queries returns no result.
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   425
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   426
        .. Note::
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   427
          to maximize the rql parsing/analyzing cache performance, you should
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   428
          always use substitute arguments in queries, i.e. avoid query such as::
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   429
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   430
            execute('Any X WHERE X eid 123')
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   431
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   432
          use::
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   433
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   434
            execute('Any X WHERE X eid %(x)s', {'x': 123})
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   435
        """
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   436
        if eid_key is not None:
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   437
            warn('[3.8] eid_key is deprecated, you can safely remove this argument',
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   438
                 DeprecationWarning, stacklevel=2)
5364
e0feefb87de5 [dbapi] some compat with distant < 3.8 repo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5359
diff changeset
   439
        # XXX use named argument for build_descr in case repo is < 3.8
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   440
        rset = self._repo.execute(self._sessid, rql, args,
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   441
                                  build_descr=build_descr, **self._txid())
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   442
        rset.req = self.req
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   443
        return rset
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   445
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   446
class LogCursor(Cursor):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   447
    """override the standard cursor to log executed queries"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   449
    def execute(self, operation, parameters=None, eid_key=None, build_descr=True):
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   450
        """override the standard cursor to log executed queries"""
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   451
        if eid_key is not None:
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   452
            warn('[3.8] eid_key is deprecated, you can safely remove this argument',
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   453
                 DeprecationWarning, stacklevel=2)
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   454
        tstart, cstart = time(), clock()
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   455
        rset = Cursor.execute(self, operation, parameters, build_descr=build_descr)
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   456
        self.connection.executed_queries.append((operation, parameters,
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   457
                                                 time() - tstart, clock() - cstart))
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   458
        return rset
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   459
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   460
def check_not_closed(func):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   461
    def decorator(self, *args, **kwargs):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   462
        if self._closed is not None:
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   463
            raise ProgrammingError('Closed connection')
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   464
        return func(self, *args, **kwargs)
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   465
    return decorator
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   466
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   467
class Connection(object):
3258
6536ee4f37f7 update the documentation
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 3110
diff changeset
   468
    """DB-API 2.0 compatible Connection object for CubicWeb
0
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
    # make exceptions available through the connection object
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   471
    ProgrammingError = ProgrammingError
5223
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   472
    # attributes that may be overriden per connection instance
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   473
    anonymous_connection = False
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   474
    cursor_class = Cursor
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   475
    vreg = None
6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   476
    _closed = None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   477
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   478
    def __init__(self, repo, cnxid, cnxprops=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
        self._repo = repo
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   480
        self.sessionid = cnxid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   481
        self._close_on_del = getattr(cnxprops, 'close_on_del', True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   482
        self._cnxtype = getattr(cnxprops, 'cnxtype', 'pyro')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   483
        if cnxprops and cnxprops.log_queries:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   484
            self.executed_queries = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   485
            self.cursor_class = LogCursor
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   486
        if self._cnxtype == 'pyro':
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   487
            # check client/server compat
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   488
            if self._repo.get_versions()['cubicweb'] < (3, 8, 6):
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   489
                self._txid = lambda cursor=None: {}
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   490
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
    def __repr__(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   492
        if self.anonymous_connection:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   493
            return '<Connection %s (anonymous)>' % self.sessionid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   494
        return '<Connection %s>' % self.sessionid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   495
5100
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   496
    def __enter__(self):
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   497
        return self.cursor()
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   498
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   499
    def __exit__(self, exc_type, exc_val, exc_tb):
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   500
        if exc_type is None:
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   501
            self.commit()
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   502
        else:
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   503
            self.rollback()
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   504
            return False #propagate the exception
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   505
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   506
    def __del__(self):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   507
        """close the remote connection if necessary"""
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   508
        if self._closed is None and self._close_on_del:
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   509
            try:
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   510
                self.close()
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   511
            except:
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   512
                pass
2245
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2111
diff changeset
   513
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   514
    # connection initialization methods ########################################
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
5763
1bdddb7460a9 [vreg] register_objects lost its force_reload argument, fix dbapi.Connection.load_appobjects consequently
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5507
diff changeset
   516
    def load_appobjects(self, cubes=_MARKER, subpath=None, expand=True):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   517
        config = self.vreg.config
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   518
        if cubes is _MARKER:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   519
            cubes = self._repo.get_cubes()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
        elif cubes is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   521
            cubes = ()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
            if not isinstance(cubes, (list, tuple)):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   524
                cubes = (cubes,)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
            if expand:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
                cubes = config.expand_cubes(cubes)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   527
        if subpath is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   528
            subpath = esubpath = ('entities', 'views')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   529
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   530
            esubpath = subpath
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   531
        if 'views' in subpath:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   532
            esubpath = list(subpath)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   533
            esubpath.remove('views')
5500
55a40cc0ab9a replaced hardcoded 'web/view' by os.path.join('web', 'view') so views path is also valid under windows
egazoni
parents: 5429
diff changeset
   534
            esubpath.append(join('web', 'views'))
5812
d970049d7cfd [dbapi] Connection.load_appobjects should load site_cubicweb files as well, they may contains necessary RQL extension function definitions. Also kill some broken deprecated code in this method.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5763
diff changeset
   535
        cubespath = [config.cube_dir(p) for p in cubes]
d970049d7cfd [dbapi] Connection.load_appobjects should load site_cubicweb files as well, they may contains necessary RQL extension function definitions. Also kill some broken deprecated code in this method.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5763
diff changeset
   536
        config.load_site_cubicweb(cubespath)
d970049d7cfd [dbapi] Connection.load_appobjects should load site_cubicweb files as well, they may contains necessary RQL extension function definitions. Also kill some broken deprecated code in this method.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5763
diff changeset
   537
        vpath = config.build_vregistry_path(reversed(cubespath),
d970049d7cfd [dbapi] Connection.load_appobjects should load site_cubicweb files as well, they may contains necessary RQL extension function definitions. Also kill some broken deprecated code in this method.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5763
diff changeset
   538
                                            evobjpath=esubpath,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
                                            tvobjpath=subpath)
5763
1bdddb7460a9 [vreg] register_objects lost its force_reload argument, fix dbapi.Connection.load_appobjects consequently
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5507
diff changeset
   540
        self.vreg.register_objects(vpath)
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   541
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   542
    def use_web_compatible_requests(self, baseurl, sitetitle=None):
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   543
        """monkey patch DBAPIRequest to fake a cw.web.request, so you should
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   544
        able to call html views using rset from a simple dbapi connection.
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   545
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
   546
        You should call `load_appobjects` at some point to register those views.
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   547
        """
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   548
        from cubicweb.web.request import CubicWebRequestBase as cwrb
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   549
        DBAPIRequest.build_ajax_replace_url = cwrb.build_ajax_replace_url.im_func
5713
605f571198eb [web] ajax_replace_url superseed build_ajax_replace_url, more generic and relying on the json controller (closes #750090)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5508
diff changeset
   550
        DBAPIRequest.ajax_replace_url = cwrb.ajax_replace_url.im_func
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   551
        DBAPIRequest.list_form_param = cwrb.list_form_param.im_func
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   552
        DBAPIRequest.property_value = _fake_property_value
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   553
        DBAPIRequest.next_tabindex = count().next
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   554
        DBAPIRequest.form = {}
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   555
        DBAPIRequest.data = {}
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   556
        fake = lambda *args, **kwargs: None
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   557
        DBAPIRequest.relative_path = fake
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   558
        DBAPIRequest.url = fake
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   559
        DBAPIRequest.next_tabindex = fake
3832
ce8dd861f442 #473188: missing get_page_data when patching bare db-api request for web compatibility
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3707
diff changeset
   560
        DBAPIRequest.get_page_data = fake
3833
5507aa75f601 add set_page_data as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3832
diff changeset
   561
        DBAPIRequest.set_page_data = fake
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   562
        DBAPIRequest.add_js = fake #cwrb.add_js.im_func
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   563
        DBAPIRequest.add_css = fake #cwrb.add_css.im_func
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   564
        # XXX could ask the repo for it's base-url configuration
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   565
        self.vreg.config.set_option('base-url', baseurl)
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   566
        # XXX why is this needed? if really needed, could be fetched by a query
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   567
        if sitetitle is not None:
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   568
            self.vreg['propertydefs']['ui.site-title'] = {'default': sitetitle}
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   569
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   570
    @check_not_closed
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   571
    def source_defs(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   572
        """Return the definition of sources used by the repository.
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   573
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   574
        This is NOT part of the DB-API.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   575
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   576
        return self._repo.source_defs()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   577
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   578
    @check_not_closed
322
0d9aca19b3d0 make req argument optional
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 169
diff changeset
   579
    def user(self, req=None, props=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   580
        """return the User object associated to this connection"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   581
        # cnx validity is checked by the call to .user_info
2245
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2111
diff changeset
   582
        eid, login, groups, properties = self._repo.user_info(self.sessionid,
7463e1a748dd new set_session_props method exposed by the repository, use it to be sure session language is in sync the request language
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2111
diff changeset
   583
                                                              props)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   584
        if req is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   585
            req = self.request()
1923
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1882
diff changeset
   586
        rset = req.eid_rset(eid, 'CWUser')
5359
d83a227df75c [dbapi] take care vreg may not be set
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5347
diff changeset
   587
        if self.vreg is not None and 'etypes' in self.vreg:
5321
6bdca255985a [dbapi] fallback to Entity when etypes registry isn't initialized (weird we haven't catchi this pb before)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5271
diff changeset
   588
            user = self.vreg['etypes'].etype_class('CWUser')(req, rset, row=0,
6bdca255985a [dbapi] fallback to Entity when etypes registry isn't initialized (weird we haven't catchi this pb before)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5271
diff changeset
   589
                                                             groups=groups,
6bdca255985a [dbapi] fallback to Entity when etypes registry isn't initialized (weird we haven't catchi this pb before)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5271
diff changeset
   590
                                                             properties=properties)
6bdca255985a [dbapi] fallback to Entity when etypes registry isn't initialized (weird we haven't catchi this pb before)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5271
diff changeset
   591
        else:
6bdca255985a [dbapi] fallback to Entity when etypes registry isn't initialized (weird we haven't catchi this pb before)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5271
diff changeset
   592
            from cubicweb.entity import Entity
6bdca255985a [dbapi] fallback to Entity when etypes registry isn't initialized (weird we haven't catchi this pb before)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5271
diff changeset
   593
            user = Entity(req, rset, row=0)
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6066
diff changeset
   594
        user.cw_attr_cache['login'] = login # cache login
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   595
        return user
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   596
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   597
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   598
    def check(self):
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   599
        """raise `BadConnectionId` if the connection is no more valid, else
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   600
        return its latest activity timestamp.
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   601
        """
6293
df44d7163582 [dbapi] Connection.check() must return the latest activity timestamp (dropped accidentally during latest merge)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6279
diff changeset
   602
        return self._repo.check_session(self.sessionid)
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   603
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   604
    def _txid(self, cursor=None): # XXX could now handle various isolation level!
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   605
        # return a dict as bw compat trick
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   606
        return {'txid': currentThread().getName()}
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   607
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   608
    def request(self):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   609
        return DBAPIRequest(self.vreg, DBAPISession(self))
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   610
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   611
    # session data methods #####################################################
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   612
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   613
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   614
    def set_session_props(self, **props):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   615
        """raise `BadConnectionId` if the connection is no more valid"""
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   616
        self._repo.set_session_props(self.sessionid, props)
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   617
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   618
    @check_not_closed
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   619
    def get_shared_data(self, key, default=None, pop=False, txdata=False):
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   620
        """return value associated to key in the session's data dictionary or
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   621
        session's transaction's data if `txdata` is true.
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   622
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   623
        If pop is True, value will be removed from the dictionnary.
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   624
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   625
        If key isn't defined in the dictionnary, value specified by the
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   626
        `default` argument will be returned.
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   627
        """
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   628
        return self._repo.get_shared_data(self.sessionid, key, default, pop, txdata)
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   629
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   630
    @check_not_closed
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   631
    def set_shared_data(self, key, value, txdata=False):
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   632
        """set value associated to `key` in shared data
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   633
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   634
        if `txdata` is true, the value will be added to the repository
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   635
        session's query data which are cleared on commit/rollback of the current
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   636
        transaction.
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   637
        """
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   638
        return self._repo.set_shared_data(self.sessionid, key, value, txdata)
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   639
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   640
    # meta-data accessors ######################################################
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   641
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   642
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   643
    def get_schema(self):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   644
        """Return the schema currently used by the repository."""
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   645
        return self._repo.get_schema()
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   646
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   647
    @check_not_closed
6308
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   648
    def get_option_value(self, option, foreid=None):
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   649
        """Return the value for `option` in the configuration. If `foreid` is
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   650
        specified, the actual repository to which this entity belongs is
6312
b6c2b81e49ec [dbapi] fix typo
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 6308
diff changeset
   651
        dereferenced and the option value retrieved from it.
6308
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   652
        """
c151c730a1ac [dbapi] get_option_value now has a foreid argument telling the option should be dereferenced to the entity's actual repository (necessary for apycot/local_cache handling)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6257
diff changeset
   653
        return self._repo.get_option_value(option, foreid)
6257
7eb5f1aed728 [repo] new method on repo+dbapi.Connection to get a value from repository's configuration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6252
diff changeset
   654
7eb5f1aed728 [repo] new method on repo+dbapi.Connection to get a value from repository's configuration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6252
diff changeset
   655
    @check_not_closed
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   656
    def describe(self, eid):
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   657
        return self._repo.describe(self.sessionid, eid, **self._txid())
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   658
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   659
    # db-api like interface ####################################################
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   660
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   661
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   662
    def commit(self):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   663
        """Commit pending transaction for this connection to the repository.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   664
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   665
        may raises `Unauthorized` or `ValidationError` if we attempted to do
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   666
        something we're not allowed to for security or integrity reason.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   667
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   668
        If the transaction is undoable, a transaction id will be returned.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   669
        """
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   670
        return self._repo.commit(self.sessionid, **self._txid())
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   671
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   672
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   673
    def rollback(self):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   674
        """This method is optional since not all databases provide transaction
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   675
        support.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   676
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   677
        In case a database does provide transactions this method causes the the
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   678
        database to roll back to the start of any pending transaction.  Closing
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   679
        a connection without committing the changes first will cause an implicit
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   680
        rollback to be performed.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   681
        """
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   682
        self._repo.rollback(self.sessionid, **self._txid())
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   683
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   684
    @check_not_closed
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   685
    def cursor(self, req=None):
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   686
        """Return a new Cursor Object using the connection.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   687
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   688
        On pyro connection, you should get cursor after calling if
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   689
        load_appobjects method if desired (which you should call if you intend
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   690
        to use ORM abilities).
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   691
        """
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   692
        if req is None:
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   693
            req = self.request()
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   694
        return self.cursor_class(self, self._repo, req=req)
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   695
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   696
    @check_not_closed
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   697
    def close(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   698
        """Close the connection now (rather than whenever __del__ is called).
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   699
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   700
        The connection will be unusable from this point forward; an Error (or
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   701
        subclass) exception will be raised if any operation is attempted with
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   702
        the connection. The same applies to all cursor objects trying to use the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   703
        connection.  Note that closing a connection without committing the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   704
        changes first will cause an implicit rollback to be performed.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   705
        """
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   706
        self._repo.close(self.sessionid, **self._txid())
4768
430b89aed996 delete pyro proxy on connection close, properly raise programming error when working on a closed connection
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4721
diff changeset
   707
        del self._repo # necessary for proper garbage collection
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   708
        self._closed = 1
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   709
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   710
    # undo support ############################################################
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   711
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   712
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   713
    def undoable_transactions(self, ueid=None, req=None, **actionfilters):
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   714
        """Return a list of undoable transaction objects by the connection's
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   715
        user, ordered by descendant transaction time.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   716
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   717
        Managers may filter according to user (eid) who has done the transaction
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   718
        using the `ueid` argument. Others will only see their own transactions.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   719
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   720
        Additional filtering capabilities is provided by using the following
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   721
        named arguments:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   722
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   723
        * `etype` to get only transactions creating/updating/deleting entities
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   724
          of the given type
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   725
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   726
        * `eid` to get only transactions applied to entity of the given eid
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   727
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   728
        * `action` to get only transactions doing the given action (action in
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   729
          'C', 'U', 'D', 'A', 'R'). If `etype`, action can only be 'C', 'U' or
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   730
          'D'.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   731
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   732
        * `public`: when additional filtering is provided, their are by default
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   733
          only searched in 'public' actions, unless a `public` argument is given
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   734
          and set to false.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   735
        """
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   736
        actionfilters.update(self._txid())
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   737
        txinfos = self._repo.undoable_transactions(self.sessionid, ueid,
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   738
                                                   **actionfilters)
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   739
        if req is None:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   740
            req = self.request()
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   741
        for txinfo in txinfos:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   742
            txinfo.req = req
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   743
        return txinfos
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   744
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   745
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   746
    def transaction_info(self, txuuid, req=None):
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   747
        """Return transaction object for the given uid.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   748
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   749
        raise `NoSuchTransaction` if not found or if session's user is not
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   750
        allowed (eg not in managers group and the transaction doesn't belong to
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   751
        him).
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   752
        """
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   753
        txinfo = self._repo.transaction_info(self.sessionid, txuuid,
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   754
                                             **self._txid())
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   755
        if req is None:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   756
            req = self.request()
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   757
        txinfo.req = req
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   758
        return txinfo
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   759
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   760
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   761
    def transaction_actions(self, txuuid, public=True):
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   762
        """Return an ordered list of action effectued during that transaction.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   763
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   764
        If public is true, return only 'public' actions, eg not ones triggered
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   765
        under the cover by hooks, else return all actions.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   766
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   767
        raise `NoSuchTransaction` if the transaction is not found or if
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   768
        session's user is not allowed (eg not in managers group and the
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   769
        transaction doesn't belong to him).
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   770
        """
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   771
        return self._repo.transaction_actions(self.sessionid, txuuid, public,
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   772
                                              **self._txid())
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   773
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   774
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   775
    def undo_transaction(self, txuuid):
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   776
        """Undo the given transaction. Return potential restoration errors.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   777
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   778
        raise `NoSuchTransaction` if not found or if session's user is not
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   779
        allowed (eg not in managers group and the transaction doesn't belong to
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   780
        him).
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   781
        """
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5812
diff changeset
   782
        return self._repo.undo_transaction(self.sessionid, txuuid,
5859
3da3574fe397 [dbapi] refactor so that cw 3.8.6 can still speak with a 3.8.5 server
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
   783
                                           **self._txid())