aerich/aerich/utils.py
2020-07-07 19:54:55 +02:00

52 lines
1.3 KiB
Python

import importlib
from asyncclick import BadOptionUsage, Context
from tortoise import BaseDBAsyncClient, Tortoise
def get_app_connection_name(config, app) -> str:
"""
get connection name
:param config:
:param app:
:return:
"""
return config.get("apps").get(app).get("default_connection", "default")
def get_app_connection(config, app) -> BaseDBAsyncClient:
"""
get connection name
:param config:
:param app:
:return:
"""
return Tortoise.get_connection(get_app_connection_name(config, app))
def get_tortoise_config(ctx: Context, tortoise_orm: str) -> dict:
"""
get tortoise config from module
:param ctx:
:param tortoise_orm:
:return:
"""
splits = tortoise_orm.split(".")
config_path = ".".join(splits[:-1])
tortoise_config = splits[-1]
try:
config_module = importlib.import_module(config_path)
except (ModuleNotFoundError, AttributeError):
raise BadOptionUsage(
ctx=ctx, message=f'No config named "{config_path}"', option_name="--config"
)
config = getattr(config_module, tortoise_config, None)
if not config:
raise BadOptionUsage(
option_name="--config",
message=f'Can\'t get "{tortoise_config}" from module "{config_module}"',
ctx=ctx,
)
return config