Source code for tortoise.contrib.quart

import asyncio
import logging
from types import ModuleType
from typing import Dict, Iterable, Optional, Union

from quart import Quart  # pylint: disable=E0401

from tortoise import Tortoise, connections
from tortoise.log import logger

[docs]def register_tortoise( app: Quart, config: Optional[dict] = None, config_file: Optional[str] = None, db_url: Optional[str] = None, modules: Optional[Dict[str, Iterable[Union[str, ModuleType]]]] = None, generate_schemas: bool = False, ) -> None: """ Registers ``before_serving`` and ``after_serving`` hooks to set-up and tear-down Tortoise-ORM inside a Quart service. It also registers a CLI command ``generate_schemas`` that will generate the schemas. You can configure using only one of ``config``, ``config_file`` and ``(db_url, modules)``. Parameters ---------- app: Quart app. config: Dict containing config: Example ------- .. code-block:: python3 { 'connections': { # Dict format for connection 'default': { 'engine': 'tortoise.backends.asyncpg', 'credentials': { 'host': 'localhost', 'port': '5432', 'user': 'tortoise', 'password': 'qwerty123', 'database': 'test', } }, # Using a DB_URL string 'default': 'postgres://postgres:qwerty123@localhost:5432/events' }, 'apps': { 'models': { 'models': ['__main__'], # If no default_connection specified, defaults to 'default' 'default_connection': 'default', } } } config_file: Path to .json or .yml (if PyYAML installed) file containing config with same format as above. db_url: Use a DB_URL string. See :ref:`db_url` modules: Dictionary of ``key``: [``list_of_modules``] that defined "apps" and modules that should be discovered for models. generate_schemas: True to generate schema immediately. Only useful for dev environments or SQLite ``:memory:`` databases Raises ------ ConfigurationError For any configuration error """ _generate_schemas = generate_schemas @app.before_serving async def init_orm() -> None: # pylint: disable=W0612 await Tortoise.init(config=config, config_file=config_file, db_url=db_url, modules=modules)"Tortoise-ORM started, %s, %s", connections._get_storage(), Tortoise.apps) if _generate_schemas:"Tortoise-ORM generating schema") await Tortoise.generate_schemas() @app.after_serving async def close_orm() -> None: # pylint: disable=W0612 await connections.close_all()"Tortoise-ORM shutdown") @app.cli.command() # type: ignore def generate_schemas() -> None: # pylint: disable=E0102 """Populate DB with Tortoise-ORM schemas.""" async def inner() -> None: await Tortoise.init( config=config, config_file=config_file, db_url=db_url, modules=modules ) await Tortoise.generate_schemas() await connections.close_all() logger.setLevel(logging.DEBUG) loop = asyncio.get_event_loop() loop.run_until_complete(inner())