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?? ..
?? __init__.py(2.15 KB)
?? __pycache__
?? aiomysql.py(9.78 KB)
?? asyncmy.py(9.84 KB)
?? base.py(121.57 KB)
?? cymysql.py(2.25 KB)
?? dml.py(7.59 KB)
?? enumerated.py(8.25 KB)
?? expression.py(4.02 KB)
?? json.py(2.22 KB)
?? mariadb.py(1.42 KB)
?? mariadbconnector.py(8.42 KB)
?? mysqlconnector.py(5.59 KB)
?? mysqldb.py(9.3 KB)
?? provision.py(3.49 KB)
?? pymysql.py(3.99 KB)
?? pyodbc.py(4.2 KB)
?? reflection.py(22.3 KB)
?? reserved_words.py(9.04 KB)
?? types.py(23.77 KB)

Editing: cymysql.py

# dialects/mysql/cymysql.py
# Copyright (C) 2005-2025 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+cymysql
    :name: CyMySQL
    :dbapi: cymysql
    :connectstring: mysql+cymysql://<username>:<password>@<host>/<dbname>[?<options>]
    :url: https://github.com/nakagami/CyMySQL

.. note::

The CyMySQL dialect is **not tested as part of SQLAlchemy's continuous
    integration** and may have unresolved issues.  The recommended MySQL
    dialects are mysqlclient and PyMySQL.

"""  # noqa

from .base import BIT
from .base import MySQLDialect
from .mysqldb import MySQLDialect_mysqldb
from ... import util

class _cymysqlBIT(BIT):
    def result_processor(self, dialect, coltype):
        """Convert MySQL's 64 bit, variable length binary string to a long."""

def process(value):
            if value is not None:
                v = 0
                for i in iter(value):
                    v = v << 8 | i
                return v
            return value

return process

class MySQLDialect_cymysql(MySQLDialect_mysqldb):
    driver = "cymysql"
    supports_statement_cache = True

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 import_dbapi(cls):
        return __import__("cymysql")

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

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