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Diffstat (limited to 'venv/lib/python3.11/site-packages/sqlalchemy/dialects/mysql/pymysql.py')
| -rw-r--r-- | venv/lib/python3.11/site-packages/sqlalchemy/dialects/mysql/pymysql.py | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/venv/lib/python3.11/site-packages/sqlalchemy/dialects/mysql/pymysql.py b/venv/lib/python3.11/site-packages/sqlalchemy/dialects/mysql/pymysql.py deleted file mode 100644 index 830e441..0000000 --- a/venv/lib/python3.11/site-packages/sqlalchemy/dialects/mysql/pymysql.py +++ /dev/null @@ -1,137 +0,0 @@ -# dialects/mysql/pymysql.py -# Copyright (C) 2005-2024 the SQLAlchemy authors and contributors -# <see AUTHORS file> -# -# This module is part of SQLAlchemy and is released under -# the MIT License: https://www.opensource.org/licenses/mit-license.php -# mypy: ignore-errors - - -r""" - -.. dialect:: mysql+pymysql - :name: PyMySQL - :dbapi: pymysql - :connectstring: mysql+pymysql://<username>:<password>@<host>/<dbname>[?<options>] - :url: https://pymysql.readthedocs.io/ - -Unicode -------- - -Please see :ref:`mysql_unicode` for current recommendations on unicode -handling. - -.. _pymysql_ssl: - -SSL Connections ------------------- - -The PyMySQL DBAPI accepts the same SSL arguments as that of MySQLdb, -described at :ref:`mysqldb_ssl`. See that section for additional examples. - -If the server uses an automatically-generated certificate that is self-signed -or does not match the host name (as seen from the client), it may also be -necessary to indicate ``ssl_check_hostname=false`` in PyMySQL:: - - connection_uri = ( - "mysql+pymysql://scott:tiger@192.168.0.134/test" - "?ssl_ca=/home/gord/client-ssl/ca.pem" - "&ssl_cert=/home/gord/client-ssl/client-cert.pem" - "&ssl_key=/home/gord/client-ssl/client-key.pem" - "&ssl_check_hostname=false" - ) - - -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. - -""" # noqa - -from .mysqldb import MySQLDialect_mysqldb -from ...util import langhelpers - - -class MySQLDialect_pymysql(MySQLDialect_mysqldb): - driver = "pymysql" - supports_statement_cache = True - - description_encoding = None - - @langhelpers.memoized_property - def supports_server_side_cursors(self): - try: - cursors = __import__("pymysql.cursors").cursors - self._sscursor = cursors.SSCursor - return True - except (ImportError, AttributeError): - return False - - @classmethod - def import_dbapi(cls): - return __import__("pymysql") - - @langhelpers.memoized_property - def _send_false_to_ping(self): - """determine if pymysql has deprecated, changed the default of, - or removed the 'reconnect' argument of connection.ping(). - - See #10492 and - https://github.com/PyMySQL/mysqlclient/discussions/651#discussioncomment-7308971 - for background. - - """ # noqa: E501 - - try: - Connection = __import__( - "pymysql.connections" - ).connections.Connection - except (ImportError, AttributeError): - return True - else: - insp = langhelpers.get_callable_argspec(Connection.ping) - try: - reconnect_arg = insp.args[1] - except IndexError: - return False - else: - return reconnect_arg == "reconnect" and ( - not insp.defaults or insp.defaults[0] is not False - ) - - def do_ping(self, dbapi_connection): - if self._send_false_to_ping: - dbapi_connection.ping(False) - else: - dbapi_connection.ping() - - return True - - def create_connect_args(self, url, _translate_args=None): - if _translate_args is None: - _translate_args = dict(username="user") - return super().create_connect_args( - url, _translate_args=_translate_args - ) - - def is_disconnect(self, e, connection, cursor): - if super().is_disconnect(e, connection, cursor): - return True - elif isinstance(e, self.dbapi.Error): - str_e = str(e).lower() - return ( - "already closed" in str_e or "connection was killed" in str_e - ) - else: - return False - - def _extract_error_code(self, exception): - if isinstance(exception.args[0], Exception): - exception = exception.args[0] - return exception.args[0] - - -dialect = MySQLDialect_pymysql |