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?? ..
?? __init__.py(2.01 KB)
?? __pycache__
?? base.py(104.77 KB)
?? cymysql.py(2.19 KB)
?? dml.py(4.65 KB)
?? enumerated.py(11.04 KB)
?? gaerdbms.py(3.3 KB)
?? json.py(2 KB)
?? mysqlconnector.py(7.7 KB)
?? mysqldb.py(8.3 KB)
?? oursql.py(7.9 KB)
?? provision.py(1.24 KB)
?? pymysql.py(2.66 KB)
?? pyodbc.py(3.39 KB)
?? reflection.py(17.85 KB)
?? types.py(24.01 KB)
?? zxjdbc.py(3.88 KB)

Editing: pymysql.py

# mysql/pymysql.py
# Copyright (C) 2005-2021 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

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.

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
from ...util import py3k

class MySQLDialect_pymysql(MySQLDialect_mysqldb):
    driver = "pymysql"

description_encoding = None

# generally, these two values should be both True
    # or both False.   PyMySQL unicode tests pass all the way back
    # to 0.4 either way.  See [ticket:3337]
    supports_unicode_statements = True
    supports_unicode_binds = True

def __init__(self, server_side_cursors=False, **kwargs):
        super(MySQLDialect_pymysql, self).__init__(**kwargs)
        self.server_side_cursors = server_side_cursors

@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 dbapi(cls):
        return __import__("pymysql")

def create_connect_args(self, url, _translate_args=None):
        if _translate_args is None:
            _translate_args = dict(username="user")
        return super(MySQLDialect_pymysql, self).create_connect_args(
            url, _translate_args=_translate_args
        )

def is_disconnect(self, e, connection, cursor):
        if super(MySQLDialect_pymysql, self).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

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

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