Peewee ORM integration for Flask framework
Project description
The Flask-PW – Peewee ORM intergration for Flask framework.
The plugin configures DB connection and provides some tools such as migrations and signals. It also provides Peewee ORM support for Flask-Debugtoolbar
Requirements
python 2.7+,3.4+
Installation
Flask-PW should be installed using pip:
pip install flask-pw
Usage
Settings
Flask-PW settings (default values):
# Connection URI PEEWEE_DATABASE_URI = 'sqlite:///peewee.sqlite' # Connection params (for example for pgsql: { encoding: 'utf-8' }) PEEWEE_CONNECTION_PARAMS = {} # Path to directory which contains migrations PEEWEE_MIGRATIONS = 'migrations' # Path to module which contains you applications' Models # Needed by automatic migrations PEEWEE_MODELS_MODULE = '' # Models which should be ignored in migrations PEEWEE_MODELS_IGNORE = [] # Base models class # Use `db.Model` as your models' base class for automatically DB binding PEEWEE_MODELS_CLASS = <flask_pw.Model> # Don't connect to db when request starts and close when it ends automatically PEEWEE_MANUAL = False
Example
import peewee as pw from flask import Flask from flask_pw import Peewee app = Flask(__name__) app.config['PEEWEE_DATABASE_URI'] = 'sqlite:///:memory:' db = Peewee(app) class User(db.Model): name = pw.CharField(255) title = pw.CharField(127, null=True) active = pw.BooleanField(default=True) rating = pw.IntegerField(default=0) @User.post_save.connect def update(user, created=False): if created: # Do something
Migrations
If you use Flask-Script just add ‘db’ command to your manager:
manager = Manager(create_app) manager.add_command('db', db.manager)
And use db create, db migrate and db rollback commands.
Flask-Debugtoolbar
Just add flask_pw.debugtoolbar.PeeweeDebugPanel to Flask-Debugtoolbar panels in your application’s configuration:
DEBUG_TB_PANELS = [ 'flask_debugtoolbar.panels.versions.VersionDebugPanel', 'flask_debugtoolbar.panels.timer.TimerDebugPanel', 'flask_debugtoolbar.panels.headers.HeaderDebugPanel', 'flask_debugtoolbar.panels.request_vars.RequestVarsDebugPanel', 'flask_debugtoolbar.panels.template.TemplateDebugPanel', 'flask_debugtoolbar.panels.sqlalchemy.SQLAlchemyDebugPanel', 'flask_debugtoolbar.panels.logger.LoggingPanel', 'flask_debugtoolbar.panels.profiler.ProfilerDebugPanel', # Add the Peewee panel 'flask_pw.flask_debugtoolbar.PeeweeDebugPanel', ]
Enjoy!
Bug tracker
If you have any suggestions, bug reports or annoyances please report them to the issue tracker at https://github.com/klen/flask-pw/issues
Contributing
Development of The Flask-pw happens at: https://github.com/klen/flask-pw
Contributors
License
Licensed under a MIT license (See LICENSE)
If you wish to express your appreciation for the project, you are welcome to send a postcard to:
Kirill Klenov pos. Severny 8-3 MO, Istra, 143500 Russia
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