ORM

The orm package is an async ORM for Python, with support for Postgres, MySQL, and SQLite. ORM is built with:

• SQLAlchemy core for query building.
• databases for cross-database async support.
• typesystem for data validation.

Because ORM is built on SQLAlchemy core, you can use Alembic to provide database migrations.

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Documentation: https://www.encode.io/orm

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Installation

$ pip install orm

You can install the required database drivers with:

$ pip install orm[postgresql]
$ pip install orm[mysql]
$ pip install orm[sqlite]

Driver support is provided using one of asyncpg, aiomysql, or aiosqlite.

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Quickstart

Note: Use ipython to try this from the console, since it supports await.

importdatabasesimportormdatabase=databases.Database("sqlite:///db.sqlite")
models=orm.ModelRegistry(database=database)
classNote(orm.Model):
tablename="notes"registry=modelsfields= {
"id": orm.Integer(primary_key=True),
"text": orm.String(max_length=100),
"completed": orm.Boolean(default=False),
}
# Create the tablesawaitmodels.create_all()
awaitNote.objects.create(text="Buy the groceries.", completed=False)
note=awaitNote.objects.get(id=1)
print(note)
# Note(id=1)

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ORM is BSD licensed code. Designed & built in Brighton, England.