Welcome to Flask-MySQLdb’s documentation!

Flask-MySQLdb provides MySQL connection for Flask.

Quickstart

First, install Flask-MySQLdb:

$ pip install flask-mysqldb

Flask-MySQLdb depends, and will install for you, recent versions of Flask (0.10.1 or later) and mysqlclient. Flask-MySQLdb is compatible with and tested on Python 2.7, 3.4 and 3.5.

Next, add a MySQL instance to your code:

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from flask import Flask
from flask_mysqldb import MySQL

app = Flask(__name__)
mysql = MySQL(app)


@app.route('/')
def users():
    cur = mysql.connection.cursor()
    cur.execute('''SELECT user, host FROM mysql.user''')
    rv = cur.fetchall()
    return str(rv)

if __name__ == '__main__':
    app.run(debug=True)

Configuration

MySQL understands the following configuration directives:

API

Classes

class flask_mysqldb.MySQL(app=None)

connection

Attempts to connect to the MySQL server.

Returns:	Bound MySQL connection object if successful or None if unsuccessful.

init_app(app)

Initialize the app for use with this MySQL class. This is called automatically if app is passed to __init__().

Parameters:	app (flask.Flask) – the application to configure for use with this MySQL class.

History

Changes:

• 0.2.0: September 5, 2015
  • Added option to change the cursor. Thanks to @Sp1tF1r3 on GitHub.
• 0.1.1: February 14, 2015
  • Initial Release

[출처] http://flask-mysqldb.readthedocs.io/en/latest/