/usr/lib/python2.7/dist-packages/sqlalchemy/dialects/__init__.py is in python-sqlalchemy 1.1.11+ds1-1ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | # dialects/__init__.py
# Copyright (C) 2005-2017 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
__all__ = (
'firebird',
'mssql',
'mysql',
'oracle',
'postgresql',
'sqlite',
'sybase',
)
from .. import util
_translates = {'postgres': 'postgresql'}
def _auto_fn(name):
"""default dialect importer.
plugs into the :class:`.PluginLoader`
as a first-hit system.
"""
if "." in name:
dialect, driver = name.split(".")
else:
dialect = name
driver = "base"
if dialect in _translates:
translated = _translates[dialect]
util.warn_deprecated(
"The '%s' dialect name has been "
"renamed to '%s'" % (dialect, translated)
)
dialect = translated
try:
module = __import__('sqlalchemy.dialects.%s' % (dialect, )).dialects
except ImportError:
return None
module = getattr(module, dialect)
if hasattr(module, driver):
module = getattr(module, driver)
return lambda: module.dialect
else:
return None
registry = util.PluginLoader("sqlalchemy.dialects", auto_fn=_auto_fn)
plugins = util.PluginLoader("sqlalchemy.plugins")
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