[Zope-CVS] CVS: Packages/PsycopgDA - Adapter.py:1.1 __init__.py:1.1 configure.zcml:1.1

[Stephan Richter]

Update of /cvs-repository/Packages/PsycopgDA
In directory cvs.zope.org:/tmp/cvs-serv9591

Added Files:
	Adapter.py __init__.py configure.zcml 
Log Message:
Initial implementation of Psycopg DA.


=== Added File Packages/PsycopgDA/Adapter.py ===
##############################################################################
#
# Copyright (c) 2002 Zope Corporation and Contributors.
# All Rights Reserved.
# 
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
# 
##############################################################################
"""
$Id: Adapter.py,v 1.1 2002/07/11 02:01:48 srichter Exp $
"""

import psycopg

from Persistence import Persistent
from Zope.App.RDB.ZopeDatabaseAdapter import ZopeDatabaseAdapter, parseDSN
from Zope.App.RDB.ZopeConnection import ZopeConnection

dsn2option_mapping = {'dbname': 'dbname',
                      'username': 'user',
                      'password': 'password'}


class PsycopgAdapter(ZopeDatabaseAdapter):
    """A PsycoPG adapter for Zope3"""
    
    __implements__ = ZopeDatabaseAdapter.__implements__
    
    def _connection_factory(self):
        """Create a Psycopg DBI connection based on the DSN"""
        conn_info = parseDSN(self.dsn)
        conn_list = []
        for option in dsn2option_mapping:
            if conn_info[option]:
                conn_list.append('%s=%s' %(dsn2option_mapping[option],
                                           conn_info[option]))
        conn_str = ' '.join(conn_list)
        return psycopg.connect(conn_str)









=== Added File Packages/PsycopgDA/__init__.py ===
##############################################################################
#
# Copyright (c) 2002 Zope Corporation and Contributors.
# All Rights Reserved.
# 
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
# 
##############################################################################
"""XXX short summary goes here.

XXX longer description goes here.

$Id: __init__.py,v 1.1 2002/07/11 02:01:48 srichter Exp $
"""


=== Added File Packages/PsycopgDA/configure.zcml ===
<zopeConfigure
   xmlns='http://namespaces.zope.org/zope'
>

<content class=".Adapter.PsycopgAdapter">
  <factory id="PsycopgDA"
      permission="Zope.Public" />
  <require permission="Zope.Public" 
      interface="Zope.App.RDB.IZopeDatabaseAdapter." />
</content>

<include package=".Views" />

</zopeConfigure>