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80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
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# mssql/adodbapi.py
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# Copyright (C) 2005-2014 the SQLAlchemy authors and contributors <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 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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from sqlalchemy import types as sqltypes, util
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from sqlalchemy.dialects.mssql.base import MSDateTime, MSDialect
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import sys
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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,
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{
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sqltypes.DateTime: MSDateTime_adodbapi
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}
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)
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def create_connect_args(self, url):
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keys = url.query
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connectors = ["Provider=SQLOLEDB"]
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if 'port' in keys:
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connectors.append("Data Source=%s, %s" %
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(keys.get("host"), keys.get("port")))
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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(e, self.dbapi.adodbapi.DatabaseError) and \
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"'connection failure'" in str(e)
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dialect = MSDialect_adodbapi
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