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.
databasesfor cross-database async support.typesystemfor data validation.
Because ORM is built on SQLAlchemy core, you can use Alembic to provide database migrations.
Documentation: https://www.encode.io/orm
$ pip install ormYou 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.
Note: Use ipython to try this from the console, since it supports await.
import databases
import orm
database = databases.Database("sqlite:///db.sqlite")
models = orm.ModelRegistry(database=database)
class Note(orm.Model):
tablename = "notes"
registry = models
fields = {
"id": orm.Integer(primary_key=True),
"text": orm.String(max_length=100),
"completed": orm.Boolean(default=False),
}
# Create the tables
await models.create_all()
await Note.objects.create(text="Buy the groceries.", completed=False)
note = await Note.objects.get(id=1)
print(note)
# Note(id=1)— 🗃 —
ORM is BSD licensed code. Designed & built in Brighton, England.
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