calibre-web/lib/sqlalchemy/dialects/mysql/pymysql.py

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# mysql/pymysql.py
# Copyright (C) 2005-2013 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:: mysql+pymysql
:name: PyMySQL
:dbapi: pymysql
:connectstring: mysql+pymysql://<username>:<password>@<host>/<dbname>[?<options>]
:url: http://code.google.com/p/pymysql/
MySQL-Python Compatibility
--------------------------
The pymysql DBAPI is a pure Python port of the MySQL-python (MySQLdb) driver,
and targets 100% compatibility. Most behavioral notes for MySQL-python apply to
the pymysql driver as well.
"""
from .mysqldb import MySQLDialect_mysqldb
from ...util import py3k
class MySQLDialect_pymysql(MySQLDialect_mysqldb):
driver = 'pymysql'
description_encoding = None
if py3k:
supports_unicode_statements = True
@classmethod
def dbapi(cls):
return __import__('pymysql')
if py3k:
def _extract_error_code(self, exception):
if isinstance(exception.args[0], Exception):
exception = exception.args[0]
return exception.args[0]
dialect = MySQLDialect_pymysql