https://wikiprogramming.alfredgg.dev/ 2026-05-13T10:35:54+0000 https://wikiprogramming.alfredgg.dev/ https://wikiprogramming.alfredgg.dev/lib/tpl/dokuwiki/images/favicon.ico text/html 2020-05-09T09:25:10+0000 Anonymous (anonymous@undisclosed.example.com) https://wikiprogramming.alfredgg.dev/doku.php?id=wiki2:python:flask:flasklogin&rev=1589016310&do=diff Flask Login Basic usage The most important part of an application that uses Flask-Login is the LoginManager class. login_manager = LoginManager() ... login_manager.init_app(app) You will need to provide a user_loader callback which is used to reload the user object from the user ID stored in the session. It should take the unicode ID of a user, and return the corresponding user object. For example: text/html 2020-05-09T09:25:10+0000 Anonymous (anonymous@undisclosed.example.com) https://wikiprogramming.alfredgg.dev/doku.php?id=wiki2:python:flask:flaskmongoengine&rev=1589016310&do=diff Flask MongoEngine Basic usage Install pip install flask-mongoengine Setting up the DB from flask import Flask from flask.ext.mongoengine import MongoEngine app = Flask(__name__) app.config.from_pyfile('the-config.cfg') db = MongoEngine(app) text/html 2020-05-09T09:25:10+0000 Anonymous (anonymous@undisclosed.example.com) https://wikiprogramming.alfredgg.dev/doku.php?id=wiki2:python:flask:mongoalchemy&rev=1589016310&do=diff Flask MongoAlchemy Install pip install Flask-MongoAlchemy Use Initialization from flask import Flask from flask.ext.mongoalchemy import MongoAlchemy app = Flask(__name__) app.config['MONGOALCHEMY_DATABASE'] = 'library' db = MongoAlchemy(app) class Author(db.Document): name = db.StringField() class Book(db.Document): title = db.StringField() author = db.DocumentField(Author) year = db.IntField() text/html 2020-05-09T09:25:10+0000 Anonymous (anonymous@undisclosed.example.com) https://wikiprogramming.alfredgg.dev/doku.php?id=wiki2:python:flask:restful&rev=1589016310&do=diff Flask RESTful extension * An alternative is: <https://flask-restless.readthedocs.org/en/latest/> Basic code from flask import Flask from flask_restful import Resource, Api app = Flask(__name__) api = Api(app) class HelloWorld(Resource): def get(self): return {'hello': 'world'} api.add_resource(HelloWorld, '/') if __name__ == '__main__': app.run(debug=True) text/html 2020-05-09T09:25:10+0000 Anonymous (anonymous@undisclosed.example.com) https://wikiprogramming.alfredgg.dev/doku.php?id=wiki2:python:flask:sqlalchemy&rev=1589016310&do=diff Flask SQLAlchemy For using it with MySQL: $ apt-get install python-dev libmysqlclient-dev $ pip install mysql-python Then the connection string will be: app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://username:password@localhost/db_name' It seems that you also can install the pymysql package, then: text/html 2020-05-09T09:25:10+0000 Anonymous (anonymous@undisclosed.example.com) https://wikiprogramming.alfredgg.dev/doku.php?id=wiki2:python:flask:testing&rev=1589016310&do=diff Flask Testing Basic Live Server import urllib2 from flask import Flask from flask.ext.testing import LiveServerTestCase class MyTest(LiveServerTestCase): def create_app(self): app = Flask(__name__) app.config['TESTING'] = True # Default port is 5000 app.config['LIVESERVER_PORT'] = 8943 return app def test_server_is_up_and_running(self): response = urllib2.urlopen(self.get_server_url()) self.assertEqual(response.code, 200) text/html 2020-05-09T09:25:10+0000 Anonymous (anonymous@undisclosed.example.com) https://wikiprogramming.alfredgg.dev/doku.php?id=wiki2:python:flask:used_libraries&rev=1589016310&do=diff Flask used libraries SSE * [ Flask-SSE ] * [ Snippet que muestran el uso de SSE con Flask a partir de gevent ] By project Newskid Flask-RESTful * <http://flask-restful-cn.readthedocs.io/en/0.3.4/index.html> Flask-Testing * <https://pythonhosted.org/Flask-Testing/> Flask-SQLAlchemy * <http://flask-sqlalchemy.pocoo.org/2.1/>