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Metadata-Version: 2.1 Name: peewee Version: 3.16.0 Summary: a little orm Home-page: https://github.com/coleifer/peewee/ Author: Charles Leifer Author-email: coleifer@gmail.com License: MIT License Project-URL: Documentation, http://docs.peewee-orm.com Project-URL: Source, https://github.com/coleifer/peewee Platform: any Classifier: Development Status :: 5 - Production/Stable Classifier: Intended Audience :: Developers Classifier: License :: OSI Approved :: MIT License Classifier: Operating System :: OS Independent Classifier: Programming Language :: Python Classifier: Programming Language :: Python :: 2 Classifier: Programming Language :: Python :: 2.7 Classifier: Programming Language :: Python :: 3 Classifier: Programming Language :: Python :: 3.4 Classifier: Programming Language :: Python :: 3.5 Classifier: Programming Language :: Python :: 3.6 Classifier: Programming Language :: Python :: 3.7 Classifier: Programming Language :: Python :: 3.8 Classifier: Programming Language :: Python :: 3.9 Classifier: Programming Language :: Python :: 3.10 Classifier: Programming Language :: Python :: 3.11 Classifier: Programming Language :: Python :: 3.12 Classifier: Topic :: Database Classifier: Topic :: Software Development :: Libraries :: Python Modules License-File: LICENSE .. image:: https://media.charlesleifer.com/blog/photos/peewee3-logo.png peewee ====== Peewee is a simple and small ORM. It has few (but expressive) concepts, making it easy to learn and intuitive to use. * a small, expressive ORM * python 2.7+ and 3.4+ * supports sqlite, mysql, postgresql and cockroachdb * tons of `extensions <http://docs.peewee-orm.com/en/latest/peewee/playhouse.html>`_ .. image:: https://travis-ci.org/coleifer/peewee.svg?branch=master :target: https://travis-ci.org/coleifer/peewee New to peewee? These may help: * `Quickstart <http://docs.peewee-orm.com/en/latest/peewee/quickstart.html#quickstart>`_ * `Example twitter app <http://docs.peewee-orm.com/en/latest/peewee/example.html>`_ * `Using peewee interactively <http://docs.peewee-orm.com/en/latest/peewee/interactive.html>`_ * `Models and fields <http://docs.peewee-orm.com/en/latest/peewee/models.html>`_ * `Querying <http://docs.peewee-orm.com/en/latest/peewee/querying.html>`_ * `Relationships and joins <http://docs.peewee-orm.com/en/latest/peewee/relationships.html>`_ Examples -------- Defining models is similar to Django or SQLAlchemy: .. code-block:: python from peewee import * import datetime db = SqliteDatabase('my_database.db') class BaseModel(Model): class Meta: database = db class User(BaseModel): username = CharField(unique=True) class Tweet(BaseModel): user = ForeignKeyField(User, backref='tweets') message = TextField() created_date = DateTimeField(default=datetime.datetime.now) is_published = BooleanField(default=True) Connect to the database and create tables: .. code-block:: python db.connect() db.create_tables([User, Tweet]) Create a few rows: .. code-block:: python charlie = User.create(username='charlie') huey = User(username='huey') huey.save() # No need to set `is_published` or `created_date` since they # will just use the default values we specified. Tweet.create(user=charlie, message='My first tweet') Queries are expressive and composable: .. code-block:: python # A simple query selecting a user. User.get(User.username == 'charlie') # Get tweets created by one of several users. usernames = ['charlie', 'huey', 'mickey'] users = User.select().where(User.username.in_(usernames)) tweets = Tweet.select().where(Tweet.user.in_(users)) # We could accomplish the same using a JOIN: tweets = (Tweet .select() .join(User) .where(User.username.in_(usernames))) # How many tweets were published today? tweets_today = (Tweet .select() .where( (Tweet.created_date >= datetime.date.today()) & (Tweet.is_published == True)) .count()) # Paginate the user table and show me page 3 (users 41-60). User.select().order_by(User.username).paginate(3, 20) # Order users by the number of tweets they've created: tweet_ct = fn.Count(Tweet.id) users = (User .select(User, tweet_ct.alias('ct')) .join(Tweet, JOIN.LEFT_OUTER) .group_by(User) .order_by(tweet_ct.desc())) # Do an atomic update (for illustrative purposes only, imagine a simple # table for tracking a "count" associated with each URL). We don't want to # naively get the save in two separate steps since this is prone to race # conditions. Counter.update(count=Counter.count + 1).where(Counter.url == request.url) Check out the `example twitter app <http://docs.peewee-orm.com/en/latest/peewee/example.html>`_. Learning more ------------- Check the `documentation <http://docs.peewee-orm.com/>`_ for more examples. Specific question? Come hang out in the #peewee channel on irc.libera.chat, or post to the mailing list, http://groups.google.com/group/peewee-orm . If you would like to report a bug, `create a new issue <https://github.com/coleifer/peewee/issues/new>`_ on GitHub. Still want more info? --------------------- .. image:: https://media.charlesleifer.com/blog/photos/wat.jpg I've written a number of blog posts about building applications and web-services with peewee (and usually Flask). If you'd like to see some real-life applications that use peewee, the following resources may be useful: * `Building a note-taking app with Flask and Peewee <https://charlesleifer.com/blog/saturday-morning-hack-a-little-note-taking-app-with-flask/>`_ as well as `Part 2 <https://charlesleifer.com/blog/saturday-morning-hacks-revisiting-the-notes-app/>`_ and `Part 3 <https://charlesleifer.com/blog/saturday-morning-hacks-adding-full-text-search-to-the-flask-note-taking-app/>`_. * `Analytics web service built with Flask and Peewee <https://charlesleifer.com/blog/saturday-morning-hacks-building-an-analytics-app-with-flask/>`_. * `Personalized news digest (with a boolean query parser!) <https://charlesleifer.com/blog/saturday-morning-hack-personalized-news-digest-with-boolean-query-parser/>`_. * `Structuring Flask apps with Peewee <https://charlesleifer.com/blog/structuring-flask-apps-a-how-to-for-those-coming-from-django/>`_. * `Creating a lastpass clone with Flask and Peewee <https://charlesleifer.com/blog/creating-a-personal-password-manager/>`_. * `Creating a bookmarking web-service that takes screenshots of your bookmarks <https://charlesleifer.com/blog/building-bookmarking-service-python-and-phantomjs/>`_. * `Building a pastebin, wiki and a bookmarking service using Flask and Peewee <https://charlesleifer.com/blog/dont-sweat-small-stuff-use-flask-blueprints/>`_. * `Encrypted databases with Python and SQLCipher <https://charlesleifer.com/blog/encrypted-sqlite-databases-with-python-and-sqlcipher/>`_. * `Dear Diary: An Encrypted, Command-Line Diary with Peewee <https://charlesleifer.com/blog/dear-diary-an-encrypted-command-line-diary-with-python/>`_. * `Query Tree Structures in SQLite using Peewee and the Transitive Closure Extension <https://charlesleifer.com/blog/querying-tree-structures-in-sqlite-using-python-and-the-transitive-closure-extension/>`_.