90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
# mssql/adodbapi.py
|
|
# Copyright (C) 2005-2019 the SQLAlchemy authors and contributors
|
|
# <see AUTHORS file>
|
|
#
|
|
# This module is part of SQLAlchemy and is released under
|
|
# the MIT License: http://www.opensource.org/licenses/mit-license.php
|
|
|
|
"""
|
|
.. dialect:: mssql+adodbapi
|
|
:name: adodbapi
|
|
:dbapi: adodbapi
|
|
:connectstring: mssql+adodbapi://<username>:<password>@<dsnname>
|
|
:url: http://adodbapi.sourceforge.net/
|
|
|
|
.. note::
|
|
|
|
The adodbapi dialect is not implemented in SQLAlchemy versions 0.6 and
|
|
above at this time.
|
|
|
|
"""
|
|
import datetime
|
|
import sys
|
|
|
|
from sqlalchemy import types as sqltypes
|
|
from sqlalchemy import util
|
|
from sqlalchemy.dialects.mssql.base import MSDateTime
|
|
from sqlalchemy.dialects.mssql.base import MSDialect
|
|
|
|
|
|
class MSDateTime_adodbapi(MSDateTime):
|
|
def result_processor(self, dialect, coltype):
|
|
def process(value):
|
|
# adodbapi will return datetimes with empty time
|
|
# values as datetime.date() objects.
|
|
# Promote them back to full datetime.datetime()
|
|
if type(value) is datetime.date:
|
|
return datetime.datetime(value.year, value.month, value.day)
|
|
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"
|
|
|
|
@classmethod
|
|
def import_dbapi(cls):
|
|
import adodbapi as module
|
|
|
|
return module
|
|
|
|
colspecs = util.update_copy(
|
|
MSDialect.colspecs, {sqltypes.DateTime: MSDateTime_adodbapi}
|
|
)
|
|
|
|
def create_connect_args(self, url):
|
|
def check_quote(token):
|
|
if ";" in str(token):
|
|
token = "'%s'" % token
|
|
return token
|
|
|
|
keys = dict((k, check_quote(v)) for k, v in url.query.items())
|
|
|
|
connectors = ["Provider=SQLOLEDB"]
|
|
if "port" in keys:
|
|
connectors.append(
|
|
"Data Source=%s, %s" % (keys.get("host"), keys.get("port"))
|
|
)
|
|
else:
|
|
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", ""))
|
|
else:
|
|
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
|