golden hour

/opt/alt/python37/lib64/python3.7/site-packages/sqlalchemy/dialects/mysql

File/Folder	Size	Actions
__init__.py	2.01 KB
__pycache__	-
base.py	94.7 KB
cymysql.py	2.19 KB
dml.py	4.45 KB
enumerated.py	11.04 KB
gaerdbms.py	3.29 KB
json.py	2 KB
mysqlconnector.py	7.7 KB
mysqldb.py	7.76 KB
oursql.py	7.9 KB
pymysql.py	2.28 KB
pyodbc.py	2.63 KB
reflection.py	17.42 KB
types.py	24.02 KB
zxjdbc.py	3.88 KB

Edit: pymysql.py

# mysql/pymysql.py
# Copyright (C) 2005-2019 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 is_disconnect(self, e, connection, cursor):
        if super(MySQLDialect_pymysql, self).is_disconnect(
            e, connection, cursor
        ):
            return True
        elif isinstance(e, self.dbapi.Error):
            return "Already closed" 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