misc/cwzope/cwzope.py
author Stephanie Marcu <stephanie.marcu@logilab.fr>
Thu, 02 Apr 2009 11:42:58 +0200
changeset 1211 90bb6e89e356
parent 0 b97547f5f1fa
child 1977 606923dff11b
permissions -rw-r--r--
add the name of the currently attached file, if the file already exists (i.e in the edition form)

from AccessControl import getSecurityManager 

from cubicweb.dbapi import connect, Connection, Cursor
from cubicweb.common.utils import ResultSet, ResultSetIterator, ResultSetRow, Entity

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,
                   host=None, database=None, group='cubicweb'):
    """get a connection on an cubicweb server"""
    request = context.REQUEST
    zope_user = getSecurityManager().getUser()
    if user is None:
        user = zope_user.getId()
    key = (user, host, database)
    try:
        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