mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-24 18:47:23 +00:00
60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
# connectors/zxJDBC.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
|
|
|
|
import sys
|
|
from . import Connector
|
|
|
|
|
|
class ZxJDBCConnector(Connector):
|
|
driver = 'zxjdbc'
|
|
|
|
supports_sane_rowcount = False
|
|
supports_sane_multi_rowcount = False
|
|
|
|
supports_unicode_binds = True
|
|
supports_unicode_statements = sys.version > '2.5.0+'
|
|
description_encoding = None
|
|
default_paramstyle = 'qmark'
|
|
|
|
jdbc_db_name = None
|
|
jdbc_driver_name = None
|
|
|
|
@classmethod
|
|
def dbapi(cls):
|
|
from com.ziclix.python.sql import zxJDBC
|
|
return zxJDBC
|
|
|
|
def _driver_kwargs(self):
|
|
"""Return kw arg dict to be sent to connect()."""
|
|
return {}
|
|
|
|
def _create_jdbc_url(self, url):
|
|
"""Create a JDBC url from a :class:`~sqlalchemy.engine.url.URL`"""
|
|
return 'jdbc:%s://%s%s/%s' % (self.jdbc_db_name, url.host,
|
|
url.port is not None
|
|
and ':%s' % url.port or '',
|
|
url.database)
|
|
|
|
def create_connect_args(self, url):
|
|
opts = self._driver_kwargs()
|
|
opts.update(url.query)
|
|
return [
|
|
[self._create_jdbc_url(url),
|
|
url.username, url.password,
|
|
self.jdbc_driver_name],
|
|
opts]
|
|
|
|
def is_disconnect(self, e, connection, cursor):
|
|
if not isinstance(e, self.dbapi.ProgrammingError):
|
|
return False
|
|
e = str(e)
|
|
return 'connection is closed' in e or 'cursor is closed' in e
|
|
|
|
def _get_server_version_info(self, connection):
|
|
# use connection.connection.dbversion, and parse appropriately
|
|
# to get a tuple
|
|
raise NotImplementedError()
|