mirror of
https://github.com/moparisthebest/SickRage
synced 2024-11-17 14:55:07 -05:00
85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
# mysql/cymysql.py
|
|
# Copyright (C) 2005-2014 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+cymysql
|
|
:name: CyMySQL
|
|
:dbapi: cymysql
|
|
:connectstring: mysql+cymysql://<username>:<password>@<host>/<dbname>[?<options>]
|
|
:url: https://github.com/nakagami/CyMySQL
|
|
|
|
"""
|
|
import re
|
|
|
|
from .mysqldb import MySQLDialect_mysqldb
|
|
from .base import (BIT, MySQLDialect)
|
|
from ... import util
|
|
|
|
class _cymysqlBIT(BIT):
|
|
def result_processor(self, dialect, coltype):
|
|
"""Convert a MySQL's 64 bit, variable length binary string to a long.
|
|
"""
|
|
|
|
def process(value):
|
|
if value is not None:
|
|
v = 0
|
|
for i in util.iterbytes(value):
|
|
v = v << 8 | i
|
|
return v
|
|
return value
|
|
return process
|
|
|
|
|
|
class MySQLDialect_cymysql(MySQLDialect_mysqldb):
|
|
driver = 'cymysql'
|
|
|
|
description_encoding = None
|
|
supports_sane_rowcount = True
|
|
supports_sane_multi_rowcount = False
|
|
supports_unicode_statements = True
|
|
|
|
colspecs = util.update_copy(
|
|
MySQLDialect.colspecs,
|
|
{
|
|
BIT: _cymysqlBIT,
|
|
}
|
|
)
|
|
|
|
@classmethod
|
|
def dbapi(cls):
|
|
return __import__('cymysql')
|
|
|
|
def _get_server_version_info(self, connection):
|
|
dbapi_con = connection.connection
|
|
version = []
|
|
r = re.compile('[.\-]')
|
|
for n in r.split(dbapi_con.server_version):
|
|
try:
|
|
version.append(int(n))
|
|
except ValueError:
|
|
version.append(n)
|
|
return tuple(version)
|
|
|
|
def _detect_charset(self, connection):
|
|
return connection.connection.charset
|
|
|
|
def _extract_error_code(self, exception):
|
|
return exception.errno
|
|
|
|
def is_disconnect(self, e, connection, cursor):
|
|
if isinstance(e, self.dbapi.OperationalError):
|
|
return self._extract_error_code(e) in \
|
|
(2006, 2013, 2014, 2045, 2055)
|
|
elif isinstance(e, self.dbapi.InterfaceError):
|
|
# if underlying connection is closed,
|
|
# this is the error you get
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
dialect = MySQLDialect_cymysql
|