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PyMySQL

Table of Contents

Requirements
Installation
Documentation
Example
Resources
License

This package contains a pure-Python MySQL client library, based on PEP 249.

Most public APIs are compatible with mysqlclient and MySQLdb.

NOTE: PyMySQL doesn't support low level APIs _mysql provides like data_seek, store_result, and use_result. You should use high level APIs defined in PEP 249. But some APIs like autocommit and ping are supported because PEP 249 doesn't cover their usecase.

Requirements

Python -- one of the following:
- CPython : 2.7 and >= 3.4
- PyPy : Latest version
MySQL Server -- one of the following:
- MySQL >= 5.5
- MariaDB >= 5.5

Installation

Package is uploaded on PyPI.

You can install it with pip:

$ python3 -m pip install PyMySQL

Documentation

Documentation is available online: https://pymysql.readthedocs.io/

For support, please refer to the StackOverflow.

Example

The following examples make use of a simple table

CREATE TABLE `users` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `email` varchar(255) COLLATE utf8_bin NOT NULL,
    `password` varchar(255) COLLATE utf8_bin NOT NULL,
    PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin
AUTO_INCREMENT=1 ;

import pymysql.cursors

# Connect to the database
connection = pymysql.connect(host='localhost',
                             user='user',
                             password='passwd',
                             db='db',
                             charset='utf8mb4',
                             cursorclass=pymysql.cursors.DictCursor)

try:
    with connection.cursor() as cursor:
        # Create a new record
        sql = "INSERT INTO `users` (`email`, `password`) VALUES (%s, %s)"
        cursor.execute(sql, ('webmaster@python.org', 'very-secret'))

    # connection is not autocommit by default. So you must commit to save
    # your changes.
    connection.commit()

    with connection.cursor() as cursor:
        # Read a single record
        sql = "SELECT `id`, `password` FROM `users` WHERE `email`=%s"
        cursor.execute(sql, ('webmaster@python.org',))
        result = cursor.fetchone()
        print(result)
finally:
    connection.close()

This example will print:

{'password': 'very-secret', 'id': 1}

Resources

DB-API 2.0: http://www.python.org/dev/peps/pep-0249
MySQL Reference Manuals: http://dev.mysql.com/doc/
MySQL client/server protocol: http://dev.mysql.com/doc/internals/en/client-server-protocol.html
"Connector" channel in MySQL Community Slack: http://lefred.be/mysql-community-on-slack/
PyMySQL mailing list: https://groups.google.com/forum/#!forum/pymysql-users

License

PyMySQL is released under the MIT License. See LICENSE for more information.