| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556 |
- # 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")
|
