+
−# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+
−# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+
−#
+
−# This file is part of CubicWeb.
+
−#
+
−# CubicWeb is free software: you can redistribute it and/or modify it under the
+
−# terms of the GNU Lesser General Public License as published by the Free
+
−# Software Foundation, either version 2.1 of the License, or (at your option)
+
−# any later version.
+
−#
+
−# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
+
−# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+
−# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+
−# details.
+
−#
+
−# You should have received a copy of the GNU Lesser General Public License along
+
−# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
+
−"""
+
−
+
−"""
+
−from AccessControl import getSecurityManager
+
−
+
−from cubicweb.dbapi import connect, Connection, Cursor
+
−from cubicweb.common.utils import ResultSet, ResultSetIterator, ResultSetRow, Entity
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−
+
−Connection.__allow_access_to_unprotected_subobjects__ = 1
+
−Cursor.__allow_access_to_unprotected_subobjects__ = 1
+
−ResultSet.__allow_access_to_unprotected_subobjects__ = 1
+
−ResultSetIterator.__allow_access_to_unprotected_subobjects__ = 1
+
−ResultSetRow.__allow_access_to_unprotected_subobjects__ = 1
+
−Entity.__allow_access_to_unprotected_subobjects__ = 1
+
−
+
−CNX_CACHE = {}
+
−
+
−def get_connection(context, user=None, password=None,
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−                   host=None, database=None, group='cubicweb'):
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−    """get a connection on an cubicweb server"""
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−    request = context.REQUEST
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−    zope_user = getSecurityManager().getUser()
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−    if user is None:
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−        user = zope_user.getId()
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−    key = (user, host, database)
+
−    try:
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−        return CNX_CACHE[key]
+
−    except KeyError:
+
−        if password is None:
+
−            password = zope_user._getPassword()
+
−        cnx = connect(user, password, host, database, group)
+
−        CNX_CACHE[key] = cnx
+
−        return cnx
+
−