91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
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# mssql/adodbapi.py
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# Copyright (C) 2005-2019 the SQLAlchemy authors and contributors
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# <see AUTHORS file>
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#
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# This module is part of SQLAlchemy and is released under
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# the MIT License: http://www.opensource.org/licenses/mit-license.php
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"""
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.. dialect:: mssql+adodbapi
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:name: adodbapi
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:dbapi: adodbapi
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:connectstring: mssql+adodbapi://<username>:<password>@<dsnname>
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:url: http://adodbapi.sourceforge.net/
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.. note::
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The adodbapi dialect is not implemented in SQLAlchemy versions 0.6 and
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above at this time.
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"""
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import datetime
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import sys
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from sqlalchemy import types as sqltypes
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from sqlalchemy import util
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from sqlalchemy.dialects.mssql.base import MSDateTime
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from sqlalchemy.dialects.mssql.base import MSDialect
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class MSDateTime_adodbapi(MSDateTime):
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def result_processor(self, dialect, coltype):
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def process(value):
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# adodbapi will return datetimes with empty time
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# values as datetime.date() objects.
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# Promote them back to full datetime.datetime()
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if type(value) is datetime.date:
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return datetime.datetime(value.year, value.month, value.day)
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return value
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return process
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class MSDialect_adodbapi(MSDialect):
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supports_sane_rowcount = True
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supports_sane_multi_rowcount = True
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supports_unicode = sys.maxunicode == 65535
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supports_unicode_statements = True
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driver = "adodbapi"
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@classmethod
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def import_dbapi(cls):
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import adodbapi as module
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return module
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colspecs = util.update_copy(
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MSDialect.colspecs, {sqltypes.DateTime: MSDateTime_adodbapi}
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)
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def create_connect_args(self, url):
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def check_quote(token):
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if ";" in str(token):
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token = "'%s'" % token
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return token
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keys = dict((k, check_quote(v)) for k, v in url.query.items())
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connectors = ["Provider=SQLOLEDB"]
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if "port" in keys:
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connectors.append(
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"Data Source=%s, %s" % (keys.get("host"), keys.get("port"))
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)
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else:
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connectors.append("Data Source=%s" % keys.get("host"))
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connectors.append("Initial Catalog=%s" % keys.get("database"))
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user = keys.get("user")
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if user:
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connectors.append("User Id=%s" % user)
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connectors.append("Password=%s" % keys.get("password", ""))
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else:
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connectors.append("Integrated Security=SSPI")
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return [[";".join(connectors)], {}]
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def is_disconnect(self, e, connection, cursor):
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return isinstance(
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e, self.dbapi.adodbapi.DatabaseError
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) and "'connection failure'" in str(e)
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dialect = MSDialect_adodbapi
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