dbapi.py
author pierre-yves
Mon, 27 May 2013 16:43:02 +0200
changeset 9024 701b19785f1d
parent 9022 a1cee6915ea3
child 9033 614bf73cc126
permissions -rw-r--r--
[connection] reinstall cnx.data as cnx.transaction_data Too much code expects self._cw.data to be session data. backout 9b2f68916474 Related to #2503918 Related to #2912807
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# copyright 2003-2013 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 uuid import uuid4
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from urlparse import  urlparse
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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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from cubicweb.utils import parse_repo_uri
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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 fake(*args, **kwargs):
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    return None
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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.CWRegistryStore.REGISTRY_FACTORY[None]
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    etypescls = cwvreg.CWRegistryStore.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.CWRegistryStore.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, close=True, log=False):
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        if cnxtype is not None:
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            warn('[3.16] cnxtype argument is deprecated', DeprecationWarning,
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                 stacklevel=2)
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        self.cnxtype = cnxtype
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        self.log_queries = log
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        self.close_on_del = close
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def _get_inmemory_repo(config, vreg=None):
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    from cubicweb.server.repository import Repository
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    from cubicweb.server.utils import TasksManager
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    return Repository(config, TasksManager(), vreg=vreg)
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def get_repository(uri=None, config=None, vreg=None):
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    """get a repository for the given URI or config/vregistry (in case we're
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    loading the repository for a client, eg web server, configuration).
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    The returned repository may be an in-memory repository or a proxy object
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    using a specific RPC method, depending on the given URI (pyro or zmq).
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    """
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    if uri is None:
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        return _get_inmemory_repo(config, vreg)
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    protocol, hostport, appid = parse_repo_uri(uri)
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    if protocol == 'inmemory':
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        # me may have been called with a dummy 'inmemory://' uri ...
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        return _get_inmemory_repo(config, vreg)
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    if protocol == 'pyroloc': # direct connection to the instance
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        from logilab.common.pyro_ext import get_proxy
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        uri = uri.replace('pyroloc', 'PYRO')
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        return get_proxy(uri)
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    if protocol == 'pyro': # connection mediated through the pyro ns
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        from logilab.common.pyro_ext import ns_get_proxy
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        path = appid.strip('/')
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        if not path:
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            raise ConnectionError(
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                "can't find instance name in %s (expected to be the path component)"
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                % uri)
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        if '.' in path:
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            nsgroup, nsid = path.rsplit('.', 1)
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        else:
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            nsgroup = 'cubicweb'
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            nsid = path
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        return ns_get_proxy(nsid, defaultnsgroup=nsgroup, nshost=hostport)
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    if protocol.startswith('zmqpickle-'):
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        from cubicweb.zmqclient import ZMQRepositoryClient
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        return ZMQRepositoryClient(uri)
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    else:
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        raise ConnectionError('unknown protocol: `%s`' % protocol)
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def _repo_connect(repo, login, **kwargs):
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    """Constructor to create a new connection to the given CubicWeb repository.
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    Returns a Connection instance.
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    Raises AuthenticationError if authentication failed
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    """
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    cnxid = repo.connect(unicode(login), **kwargs)
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    cnx = Connection(repo, cnxid, kwargs.get('cnxprops'))
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    if cnx.is_repo_in_memory:
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        cnx.vreg = repo.vreg
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    return cnx
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def connect(database, login=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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    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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    `database` may be:
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    * a simple instance id for in-memory connection
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    * an uri like scheme://host:port/instanceid where scheme may be one of
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      'pyro', 'inmemory' or 'zmqpickle'
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      * if scheme is 'pyro', <host:port> determine the name server address. If
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        not specified (e.g. 'pyro:///instanceid'), it will be detected through a
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        broadcast query. The instance id is the name of the instance in the name
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        server and may be prefixed by a group (e.g.
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        'pyro:///:cubicweb.instanceid')
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      * if scheme is handled by ZMQ (eg 'tcp'), you should not specify an
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        instance id
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    Other arguments:
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    :login:
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      the user login to use to authenticate.
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    :cnxprops:
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      a :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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    :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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    :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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    :kwargs:
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      there goes authentication tokens. You usually have to specify a password
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      for the given user, using a named 'password' argument.
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    """
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    if not urlparse(database).scheme:
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        warn('[3.16] give an qualified URI as database instead of using '
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             'host/cnxprops to specify the connection method',
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             DeprecationWarning, stacklevel=2)
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        if cnxprops and cnxprops.cnxtype == 'zmq':
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            database = kwargs.pop('host')
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        elif cnxprops and cnxprops.cnxtype == 'inmemory':
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            database = 'inmemory://' + database
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   215
        else:
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            host = kwargs.pop('host', None)
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            if host is None:
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                host = ''
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            group = kwargs.pop('group', None)
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            if group is None:
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                group = 'cubicweb'
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            database = 'pyro://%s/%s.%s' % (host, group, database)
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    puri = urlparse(database)
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    method = puri.scheme.lower()
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    if method == 'inmemory':
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        config = cwconfig.instance_configuration(puri.path)
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    else:
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        config = cwconfig.CubicWebNoAppConfiguration()
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    repo = get_repository(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.CWRegistryStore(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_repo(config):
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    """Return and in_memory Repository object from a config (or vreg)"""
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    if isinstance(config, cwvreg.CWRegistryStore):
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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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   256
    return get_repository('inmemory://', config=config, vreg=vreg)
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   257
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def in_memory_repo_cnx(config, login, **kwargs):
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    """useful 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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   261
    """
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   262
    # connection to the CubicWeb repository
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    repo = in_memory_repo(config)
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   264
    return repo, _repo_connect(repo, login, **kwargs)
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   266
# XXX web only method, move to webconfig?
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   267
def anonymous_session(vreg):
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   268
    """return a new anonymous session
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    raises an AuthenticationError if anonymous usage is not allowed
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    """
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    anoninfo = vreg.config.anonymous_user()
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    if anoninfo is None: # no anonymous user
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        raise AuthenticationError('anonymous access is not authorized')
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   275
    anon_login, anon_password = anoninfo
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    # use vreg's repository cache
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    repo = vreg.config.repository(vreg)
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    anon_cnx = _repo_connect(repo, anon_login, password=anon_password)
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    anon_cnx.vreg = vreg
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   280
    return DBAPISession(anon_cnx, anon_login)
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   283
class _NeedAuthAccessMock(object):
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   284
    def __getattribute__(self, attr):
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   285
        raise AuthenticationError()
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   286
    def __nonzero__(self):
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   287
        return False
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   288
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   289
class DBAPISession(object):
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f87cd875c6db [web session] cleanup session/authentication api: we don't have anymore to store authentication information on web session since the auto-reconnection feature has been dropped (eg in 3.10)
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   290
    def __init__(self, cnx, login=None):
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   291
        self.cnx = cnx
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   292
        self.data = {}
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   293
        self.login = login
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   294
        self.mtime = time()
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   295
        # dbapi session identifier is the same as the first connection
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   296
        # identifier, but may later differ in case of auto-reconnection as done
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   297
        # by the web authentication manager (in cw.web.views.authentication)
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   298
        if cnx is not None:
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   299
            self.sessionid = cnx.sessionid
b675edd05c19 [web session] fix web session id bug on automatic reconnection. The web session id should keep the first connection id, then differ of the repo connection id once some reconnection has been done (since the session cookie isn't updated in such cases). Also, use a lock to avoid potential race condition on reconnection.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5244
diff changeset
   300
        else:
7428
5338d895b891 [web session] fix session handling so we get a chance to have for instance the 'forgotpwd' feature working on a site where anonymous are not allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7140
diff changeset
   301
            self.sessionid = uuid4().hex
5223
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   302
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
   303
    @property
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
   304
    def anonymous_session(self):
5244
5467674ad101 [web] put a fake object that raise Unauthorized on any attribute access as req.cnx and req._user, so we are properly asked to authenticated on any view that tries to do something with one of those attributes (instead of doing defensive programming everywhere we're doing that)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5223
diff changeset
   305
        return not self.cnx or self.cnx.anonymous_connection
5223
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   306
7909
71c70bf482cf [web session] ProgrammingError may be raised, we should catch it (closes #1980076)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7879
diff changeset
   307
    def __repr__(self):
71c70bf482cf [web session] ProgrammingError may be raised, we should catch it (closes #1980076)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7879
diff changeset
   308
        return '<DBAPISession %r>' % self.sessionid
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   309
8669
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   310
2792
135580d15d42 rename and move cw.RequestSessionMixIn to cw.req.RequestSessionBase; move some appobjects methods where they actually belong to
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2770
diff changeset
   311
class DBAPIRequest(RequestSessionBase):
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   312
    #: Request language identifier eg: 'en'
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   313
    lang = None
1524
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   314
5223
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   315
    def __init__(self, vreg, session=None):
0
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parents:
diff changeset
   316
        super(DBAPIRequest, self).__init__(vreg)
8274
aedb32d324ab [dbapi] some documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8268
diff changeset
   317
        #: 'language' => translation_function() mapping
0
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parents:
diff changeset
   318
        try:
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parents:
diff changeset
   319
            # no vreg or config which doesn't handle translations
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parents:
diff changeset
   320
            self.translations = vreg.config.translations
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   321
        except AttributeError:
8404
3dcb117fb3b0 [db-api] fix typo leading to crash on client connection (config has no translations). Closes #2357044
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8367
diff changeset
   322
            self.translations = {}
8274
aedb32d324ab [dbapi] some documentation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8268
diff changeset
   323
        #: cache entities built during the request
0
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parents:
diff changeset
   324
        self._eid_cache = {}
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   325
        if session 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
   326
            self.set_session(session)
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
   327
        else:
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
   328
            # these args are initialized after a connection is
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
   329
            # established
5244
5467674ad101 [web] put a fake object that raise Unauthorized on any attribute access as req.cnx and req._user, so we are properly asked to authenticated on any view that tries to do something with one of those attributes (instead of doing defensive programming everywhere we're doing that)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5223
diff changeset
   330
            self.session = None
5271
94e16453a640 [dbapi] fix user handling on dbapi request. Avoid getting None as _user and remove the need for a property.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5251
diff changeset
   331
            self.cnx = self.user = _NeedAuthAccessMock()
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   332
        self.set_default_language(vreg)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   333
8585
3f60f416dddb [dbapi] provide get_option_value over DBAPIRequest (closes #2515522)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8572
diff changeset
   334
    def get_option_value(self, option, foreid=None):
3f60f416dddb [dbapi] provide get_option_value over DBAPIRequest (closes #2515522)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8572
diff changeset
   335
        return self.cnx.get_option_value(option, foreid)
3f60f416dddb [dbapi] provide get_option_value over DBAPIRequest (closes #2515522)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8572
diff changeset
   336
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
   337
    def set_session(self, session, user=None):
0
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parents:
diff changeset
   338
        """method called by the session handler when the user is authenticated
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   339
        or an anonymous connection is open
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parents:
diff changeset
   340
        """
5223
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5174
diff changeset
   341
        self.session = session
5244
5467674ad101 [web] put a fake object that raise Unauthorized on any attribute access as req.cnx and req._user, so we are properly asked to authenticated on any view that tries to do something with one of those attributes (instead of doing defensive programming everywhere we're doing that)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5223
diff changeset
   342
        if session.cnx:
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
   343
            self.cnx = session.cnx
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
   344
            self.execute = session.cnx.cursor(self).execute
5271
94e16453a640 [dbapi] fix user handling on dbapi request. Avoid getting None as _user and remove the need for a property.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5251
diff changeset
   345
            if user is None:
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   346
                user = self.cnx.user(self)
5271
94e16453a640 [dbapi] fix user handling on dbapi request. Avoid getting None as _user and remove the need for a property.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5251
diff changeset
   347
        if user is not None:
94e16453a640 [dbapi] fix user handling on dbapi request. Avoid getting None as _user and remove the need for a property.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5251
diff changeset
   348
            self.user = user
94e16453a640 [dbapi] fix user handling on dbapi request. Avoid getting None as _user and remove the need for a property.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5251
diff changeset
   349
            self.set_entity_cache(user)
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   350
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   351
    def execute(self, *args, **kwargs): # pylint: disable=E0202
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
   352
        """overriden when session is set. By default raise authentication error
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
   353
        so authentication is requested.
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
   354
        """
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
   355
        raise AuthenticationError()
1524
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   356
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   357
    def set_default_language(self, vreg):
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parents:
diff changeset
   358
        try:
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   359
            lang = vreg.property_value('ui.language')
7815
2a164a9cf81c [exceptions] stop catching any exception in various places (closes #1942716)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7665
diff changeset
   360
        except Exception: # property may not be registered
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   361
            lang = 'en'
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   362
        try:
8538
00597256de18 [request/session] refactor language handling: don't attempt to sync web/repo languages
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8537
diff changeset
   363
            self.set_language(lang)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   365
            # this occurs usually during test execution
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
            self._ = self.__ = unicode
7960
981d2a6d95be [test] map pgettext to unicode as _
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7909
diff changeset
   367
            self.pgettext = lambda x, y: unicode(y)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   368
8367
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   369
    # server-side service call #################################################
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   370
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   371
    def call_service(self, regid, async=False, **kwargs):
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   372
        return self.cnx.call_service(regid, async, **kwargs)
fc59d2380c48 [service-api] Add unified service API on `_cw` attribute
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 8352
diff changeset
   373
0
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parents:
diff changeset
   374
    # entities cache management ###############################################
1524
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   375
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   376
    def entity_cache(self, eid):
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parents:
diff changeset
   377
        return self._eid_cache[eid]
1524
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   378
0
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parents:
diff changeset
   379
    def set_entity_cache(self, entity):
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parents:
diff changeset
   380
        self._eid_cache[entity.eid] = entity
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   381
b97547f5f1fa Showtime !
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parents:
diff changeset
   382
    def cached_entities(self):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   383
        return self._eid_cache.values()
1524
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sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   384
0
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parents:
diff changeset
   385
    def drop_entity_cache(self, eid=None):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   386
        if eid is None:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   387
            self._eid_cache = {}
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   388
        else:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   389
            del self._eid_cache[eid]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   390
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   391
    # low level session data management #######################################
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   392
6013
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   393
    def get_shared_data(self, key, default=None, pop=False, txdata=False):
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   394
        """see :meth:`Connection.get_shared_data`"""
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   395
        return self.cnx.get_shared_data(key, default, pop, txdata)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   396
6013
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   397
    def set_shared_data(self, key, value, txdata=False, querydata=None):
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   398
        """see :meth:`Connection.set_shared_data`"""
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   399
        if querydata is not None:
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   400
            txdata = querydata
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   401
            warn('[3.10] querydata argument has been renamed to txdata',
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   402
                 DeprecationWarning, stacklevel=2)
8ca424bc393b [dbapi] cleanup shared data api: let access to transaction from dbapi, we can write it after all... Also, querydata is better named txdata
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6012
diff changeset
   403
        return self.cnx.set_shared_data(key, value, txdata)
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   404
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   405
    # server session compat layer #############################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   406
7543
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   407
    def describe(self, eid, asdict=False):
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
   408
        """return a tuple (type, sourceuri, extid) for the entity with id <eid>"""
7543
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   409
        return self.cnx.describe(eid, asdict)
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
   410
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
    def source_defs(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
   412
        """return the definition of sources used by the repository."""
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
        return self.cnx.source_defs()
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
    @deprecated('[3.8] use direct access to req.session.data dictionary')
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
    def session_data(self):
8238
087bb529035c [spelling] fix dictionnary -> dictionary typo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7962
diff changeset
   417
        """return a dictionary containing session data"""
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
   418
        return self.session.data
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   419
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
   420
    @deprecated('[3.8] use direct access to req.session.data dictionary')
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
    def get_session_data(self, key, default=None, pop=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
   422
        if pop:
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
            return self.session.data.pop(key, default)
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
        return self.session.data.get(key, default)
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   425
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
   426
    @deprecated('[3.8] use direct access to req.session.data dictionary')
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
    def set_session_data(self, key, value):
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
        self.session.data[key] = value
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
    @deprecated('[3.8] use direct access to req.session.data dictionary')
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
    def del_session_data(self, 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
   432
        self.session.data.pop(key, 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
   433
7083
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7056
diff changeset
   434
    # these are overridden by set_log_methods below
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7056
diff changeset
   435
    # only defining here to prevent pylint from complaining
b8e35cde46e9 help pylint by explicitely defining some attributes
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 7056
diff changeset
   436
    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   438
set_log_methods(DBAPIRequest, getLogger('cubicweb.dbapi'))
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   439
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   440
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   441
# exceptions ##################################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   443
class ProgrammingError(Exception): #DatabaseError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
    """Exception raised for errors that are related to the database's operation
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   445
    and not necessarily under the control of the programmer, e.g. an unexpected
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   446
    disconnect occurs, the data source name is not found, a transaction could
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   447
    not be processed, a memory allocation error occurred during processing,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
    etc.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   450
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
   451
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
# cursor / connection objects ##################################################
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
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
class Cursor(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
   455
    """These objects represent a database cursor, which is used to manage the
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
    context of a fetch operation. Cursors created from the same connection are
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
    not isolated, i.e., any changes done to the database by a cursor are
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
    immediately visible by the other cursors. Cursors created from different
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
   459
    connections are isolated.
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
   460
    """
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
   461
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
   462
    def __init__(self, connection, repo, req=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
   463
        """This read-only attribute return a reference to the Connection
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
   464
        object on which the cursor was created.
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
   465
        """
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
   466
        self.connection = connection
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
   467
        """optionnal issuing request 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
   468
        self.req = 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
   469
        self._repo = repo
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
   470
        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
   471
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
    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
   473
        """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
   474
        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
   475
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
   476
    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
   477
        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
   478
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
   479
    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
   480
        """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
   481
        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
   482
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
   483
        * `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
   484
          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
   485
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
   486
        * `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
   487
          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
   488
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
   489
        * `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
   490
          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
   491
          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
   492
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
   493
        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
   494
        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
   495
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
   496
        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
   497
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
   498
        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
   499
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
   500
        .. 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
   501
          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
   502
          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
   503
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
   504
            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
   505
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
   506
          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
   507
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
   508
            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
   509
        """
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
   510
        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
   511
            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
   512
                 DeprecationWarning, stacklevel=2)
5364
e0feefb87de5 [dbapi] some compat with distant < 3.8 repo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5359
diff changeset
   513
        # 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
   514
        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
   515
                                  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
   516
        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
   517
        return rset
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   518
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   519
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
   520
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
   521
    """override the standard cursor to log executed queries"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
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
   523
    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
   524
        """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
   525
        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
   526
            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
   527
                 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
   528
        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
   529
        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
   530
        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
   531
                                                 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
   532
        return rset
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   533
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   534
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
   535
    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
   536
        if self._closed is not None:
7665
0cd299c16f12 [session] add session id to closed connection errors
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7650
diff changeset
   537
            raise ProgrammingError('Closed connection %s' % 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
   538
        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
   539
    return decorator
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
class Connection(object):
3258
6536ee4f37f7 update the documentation
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 3110
diff changeset
   542
    """DB-API 2.0 compatible Connection object for CubicWeb
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   543
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   544
    # make exceptions available through the connection object
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   545
    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
   546
    # 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
   547
    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
   548
    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
   549
    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
   550
    _closed = None
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   551
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   552
    def __init__(self, repo, cnxid, cnxprops=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   553
        self._repo = repo
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   554
        self.sessionid = cnxid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   555
        self._close_on_del = getattr(cnxprops, 'close_on_del', True)
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   556
        self._web_request = False
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   557
        if cnxprops and cnxprops.log_queries:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   558
            self.executed_queries = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   559
            self.cursor_class = LogCursor
8669
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   560
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   561
    @property
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   562
    def is_repo_in_memory(self):
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   563
        """return True if this is a local, aka in-memory, connection to the
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   564
        repository
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   565
        """
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   566
        try:
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   567
            from cubicweb.server.repository import Repository
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   568
        except ImportError:
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   569
            # code not available, no way
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   570
            return False
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   571
        return isinstance(self._repo, Repository)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   572
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   573
    def __repr__(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   574
        if self.anonymous_connection:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   575
            return '<Connection %s (anonymous)>' % self.sessionid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   576
        return '<Connection %s>' % self.sessionid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   577
5100
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   578
    def __enter__(self):
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   579
        return self.cursor()
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   580
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   581
    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
   582
        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
   583
            self.commit()
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   584
        else:
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   585
            self.rollback()
04c71ebf38a5 Add context management methode to dbapi.Connection
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 5032
diff changeset
   586
            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
   587
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   588
    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
   589
        """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
   590
        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
   591
            try:
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   592
                self.close()
7815
2a164a9cf81c [exceptions] stop catching any exception in various places (closes #1942716)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7665
diff changeset
   593
            except Exception:
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   594
                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
   595
8268
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   596
    # server-side service call #################################################
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   597
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   598
    @check_not_closed
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   599
    def call_service(self, regid, async=False, **kwargs):
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   600
        return self._repo.call_service(self.sessionid, regid, async, **kwargs)
c9babe49c1c1 [repository] implement a generic way to call repo-side services; closes #2203418
Florent Cayré <florent.cayre@logilab.fr>
parents: 8239
diff changeset
   601
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   602
    # connection initialization methods ########################################
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   603
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
   604
    def load_appobjects(self, cubes=_MARKER, subpath=None, expand=True):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   605
        config = self.vreg.config
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   606
        if cubes is _MARKER:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   607
            cubes = self._repo.get_cubes()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   608
        elif cubes is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   609
            cubes = ()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   610
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   611
            if not isinstance(cubes, (list, tuple)):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   612
                cubes = (cubes,)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   613
            if expand:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   614
                cubes = config.expand_cubes(cubes)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   615
        if subpath is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   616
            subpath = esubpath = ('entities', 'views')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   617
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   618
            esubpath = subpath
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   619
        if 'views' in subpath:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   620
            esubpath = list(subpath)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   621
            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
   622
            esubpath.append(join('web', 'views'))
8571
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   623
        # first load available configs, necessary for proper persistent
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   624
        # properties initialization
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   625
        config.load_available_configs()
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   626
        # then init cubes
6494
70c87c717e4a [config] make config.cubes() available on NoAppCubicWebConfiguration
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
   627
        config.init_cubes(cubes)
8571
7e5246889148 [dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   628
        # then load appobjects into the registry
8537
e30d0a7f0087 [config] turn internal configuration methods building appobjects search path into normal method rather than class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   629
        vpath = config.build_appobjects_path(reversed(config.cubes_path()),
e30d0a7f0087 [config] turn internal configuration methods building appobjects search path into normal method rather than class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   630
                                             evobjpath=esubpath,
e30d0a7f0087 [config] turn internal configuration methods building appobjects search path into normal method rather than class method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8404
diff changeset
   631
                                             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
   632
        self.vreg.register_objects(vpath)
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   633
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   634
    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
   635
        """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
   636
        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
   637
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2650
diff changeset
   638
        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
   639
        """
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   640
        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
   641
        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
   642
        DBAPIRequest.relative_path = fake
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   643
        DBAPIRequest.url = 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
   644
        DBAPIRequest.get_page_data = fake
3833
5507aa75f601 add set_page_data as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3832
diff changeset
   645
        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
   646
        # 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
   647
        self.vreg.config.set_option('base-url', baseurl)
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   648
        self.vreg.config.uiprops = {}
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   649
        self.vreg.config.datadir_url = baseurl + '/data'
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   650
        # 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
   651
        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
   652
            self.vreg['propertydefs']['ui.site-title'] = {'default': sitetitle}
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   653
        self._web_request = True
2496
fbd1fd2ca312 #343624: access to ORM and views outside web engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2476
diff changeset
   654
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   655
    def request(self):
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   656
        if self._web_request:
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   657
            from cubicweb.web.request import CubicWebRequestBase
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   658
            req = CubicWebRequestBase(self.vreg, False)
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   659
            req.get_header = lambda x, default=None: default
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   660
            req.set_session = lambda session, user=None: DBAPIRequest.set_session(
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   661
                req, session, user)
6613
e7ff604491b2 [dbapi] web request compatibility fixes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6581
diff changeset
   662
            req.relative_path = lambda includeparams=True: ''
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   663
        else:
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   664
            req = DBAPIRequest(self.vreg)
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   665
        req.set_session(DBAPISession(self))
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   666
        return req
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   667
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   668
    @check_not_closed
322
0d9aca19b3d0 make req argument optional
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 169
diff changeset
   669
    def user(self, req=None, props=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   670
        """return the User object associated to this connection"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   671
        # 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
   672
        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
   673
                                                              props)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   674
        if req is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   675
            req = self.request()
1923
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1882
diff changeset
   676
        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
   677
        if self.vreg is not None and 'etypes' in self.vreg:
6848
f87cd875c6db [web session] cleanup session/authentication api: we don't have anymore to store authentication information on web session since the auto-reconnection feature has been dropped (eg in 3.10)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6613
diff changeset
   678
            user = self.vreg['etypes'].etype_class('CWUser')(
f87cd875c6db [web session] cleanup session/authentication api: we don't have anymore to store authentication information on web session since the auto-reconnection feature has been dropped (eg in 3.10)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6613
diff changeset
   679
                req, rset, row=0, groups=groups, properties=properties)
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
   680
        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
   681
            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
   682
            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
   683
        user.cw_attr_cache['login'] = login # cache login
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   684
        return user
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   685
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   686
    @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
   687
    def check(self):
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   688
        """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
   689
        return its latest activity timestamp.
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   690
        """
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
   691
        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
   692
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   693
    def _txid(self, cursor=None): # pylint: disable=E0202
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7815
diff changeset
   694
        # XXX could now handle various isolation level!
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   695
        # 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
   696
        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
   697
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   698
    # 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
   699
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   700
    @check_not_closed
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   701
    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
   702
        """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
   703
        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
   704
8238
087bb529035c [spelling] fix dictionnary -> dictionary typo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7962
diff changeset
   705
        If pop is True, value will be removed from the dictionary.
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   706
8238
087bb529035c [spelling] fix dictionnary -> dictionary typo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7962
diff changeset
   707
        If key isn't defined in the dictionary, value specified by the
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   708
        `default` argument will be returned.
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   709
        """
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   710
        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
   711
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
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   713
    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
   714
        """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
   715
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   716
        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
   717
        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
   718
        transaction.
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   719
        """
6279
42079f752a9c backport stable into default
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142 6257
diff changeset
   720
        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
   721
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   722
    # 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
   723
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   724
    @check_not_closed
6581
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   725
    def source_defs(self):
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   726
        """Return the definition of sources used by the repository."""
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   727
        return self._repo.source_defs()
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   728
4a3b264589dc [dbapi] enhanced web compatible request when using dbapi
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6494
diff changeset
   729
    @check_not_closed
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   730
    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
   731
        """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
   732
        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
   733
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   734
    @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
   735
    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
   736
        """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
   737
        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
   738
        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
   739
        """
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
   740
        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
   741
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
   742
    @check_not_closed
7543
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   743
    def describe(self, eid, asdict=False):
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   744
        metas = self._repo.describe(self.sessionid, eid, **self._txid())
7650
278fe9c1f3ad [repo] closes #1821172: fix source deletion
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7595
diff changeset
   745
        if len(metas) == 3: # backward compat
278fe9c1f3ad [repo] closes #1821172: fix source deletion
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7595
diff changeset
   746
            metas = list(metas)
278fe9c1f3ad [repo] closes #1821172: fix source deletion
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7595
diff changeset
   747
            metas.append(metas[1])
7543
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   748
        if asdict:
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   749
            return dict(zip(('type', 'source', 'extid', 'asource'), metas))
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   750
        # XXX :-1 for cw compat, use asdict=True for full information
570522300e22 [ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7428
diff changeset
   751
        return metas[:-1]
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   752
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   753
    # 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
   754
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   755
    @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
   756
    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
   757
        """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
   758
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   759
        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
   760
        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
   761
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   762
        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
   763
        """
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   764
        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
   765
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   766
    @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
   767
    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
   768
        """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
   769
        support.
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   770
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   771
        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
   772
        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
   773
        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
   774
        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
   775
        """
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   776
        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
   777
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   778
    @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
   779
    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
   780
        """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
   781
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   782
        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
   783
        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
   784
        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
   785
        """
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   786
        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
   787
            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
   788
        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
   789
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   790
    @check_not_closed
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   791
    def close(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   792
        """Close the connection now (rather than whenever __del__ is called).
1524
1d7575f5deaf delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1398
diff changeset
   793
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   794
        The connection will be unusable from this point forward; an Error (or
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   795
        subclass) exception will be raised if any operation is attempted with
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   796
        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
   797
        connection.  Note that closing a connection without committing the
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   798
        changes first will cause an implicit rollback to be performed.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   799
        """
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
   800
        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
   801
        del self._repo # necessary for proper garbage collection
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   802
        self._closed = 1
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   803
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   804
    # undo support ############################################################
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   805
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   806
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   807
    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
   808
        """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
   809
        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
   810
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   811
        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
   812
        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
   813
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   814
        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
   815
        named arguments:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   816
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   817
        * `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
   818
          of the given type
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   819
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   820
        * `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
   821
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   822
        * `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
   823
          '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
   824
          'D'.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   825
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   826
        * `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
   827
          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
   828
          and set to false.
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   829
        """
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
   830
        actionfilters.update(self._txid())
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   831
        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
   832
                                                   **actionfilters)
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   833
        if req is None:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   834
            req = self.request()
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   835
        for txinfo in txinfos:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   836
            txinfo.req = req
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   837
        return txinfos
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   838
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   839
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   840
    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
   841
        """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
   842
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   843
        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
   844
        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
   845
        him).
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   846
        """
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
   847
        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
   848
                                             **self._txid())
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   849
        if req is None:
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   850
            req = self.request()
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   851
        txinfo.req = req
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   852
        return txinfo
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   853
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   854
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   855
    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
   856
        """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
   857
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   858
        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
   859
        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
   860
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   861
        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
   862
        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
   863
        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
   864
        """
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
   865
        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
   866
                                              **self._txid())
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   867
6252
d33509b79efe [dbapi] reorganize Connection methods and use a @check_not_closed decorator
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6061
diff changeset
   868
    @check_not_closed
4913
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   869
    def undo_transaction(self, txuuid):
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   870
        """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
   871
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   872
        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
   873
        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
   874
        him).
083b4d454192 server/web api for accessing to deleted_entites
Katia Saurfelt <katia.saurfelt@logilab.fr>
parents: 4895
diff changeset
   875
        """
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
   876
        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
   877
                                           **self._txid())
8669
62213a34726e [db-api/configuration] simplify db-api and configuration so that all the connection information is in the repository url, closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8596
diff changeset
   878
8673
8ea63a2cc2cc [db-api] rename repo_connect into _repo_connect to mark it private. Closes #2521848
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 8670
diff changeset
   879
in_memory_cnx = deprecated('[3.16] use _repo_connect instead)')(_repo_connect)