sqlalchemy / lib / sqlalchemy / dialects / mssql /

Full commit
# mssql/
# Copyright (C) 2005-2012 the SQLAlchemy authors and contributors <see AUTHORS file>
# This module is part of SQLAlchemy and is released under
# the MIT License:

.. dialect:: mssql+adodbapi
    :name: adodbapi
    :dbapi: adodbapi
    :connectstring: mssql+adodbapi://<username>:<password>@<dsnname>

.. note::

    The adodbapi dialect is not implemented SQLAlchemy versions 0.6 and
    above at this time.

import datetime
from sqlalchemy import types as sqltypes, util
from sqlalchemy.dialects.mssql.base import MSDateTime, MSDialect
import sys

class MSDateTime_adodbapi(MSDateTime):
    def result_processor(self, dialect, coltype):
        def process(value):
            # adodbapi will return datetimes with empty time
            # values as objects.
            # Promote them back to full datetime.datetime()
            if type(value) is
                return datetime.datetime(value.year, value.month,
            return value
        return process

class MSDialect_adodbapi(MSDialect):
    supports_sane_rowcount = True
    supports_sane_multi_rowcount = True
    supports_unicode = sys.maxunicode == 65535
    supports_unicode_statements = True
    driver = 'adodbapi'

    def import_dbapi(cls):
        import adodbapi as module
        return module

    colspecs = util.update_copy(
            sqltypes.DateTime: MSDateTime_adodbapi

    def create_connect_args(self, url):
        keys = url.query

        connectors = ["Provider=SQLOLEDB"]
        if 'port' in keys:
            connectors.append("Data Source=%s, %s" %
                                (keys.get("host"), keys.get("port")))
            connectors.append("Data Source=%s" % keys.get("host"))
        connectors.append("Initial Catalog=%s" % keys.get("database"))
        user = keys.get("user")
        if user:
            connectors.append("User Id=%s" % user)
            connectors.append("Password=%s" % keys.get("password", ""))
            connectors.append("Integrated Security=SSPI")
        return [[";".join(connectors)], {}]

    def is_disconnect(self, e, connection, cursor):
        return isinstance(e, self.dbapi.adodbapi.DatabaseError) and \
                            "'connection failure'" in str(e)

dialect = MSDialect_adodbapi