aerich/alice/cli.py
2020-05-13 23:16:27 +08:00

118 lines
3.6 KiB
Python

import importlib
import os
import sys
from enum import Enum
import asyncclick as click
from asyncclick import BadParameter, ClickException
from tortoise import Tortoise, generate_schema_for_client
from alice.backends.mysql import MysqlDDL
from alice.migrate import Migrate
from alice.utils import get_app_connection
sys.path.append(os.getcwd())
class Color(str, Enum):
green = 'green'
red = 'red'
@click.group(context_settings={'help_option_names': ['-h', '--help']})
@click.option('-c', '--config', default='settings', show_default=True,
help='Tortoise-ORM config module, will read config variable from it, default is `settings`.')
@click.option('-t', '--tortoise-orm', default='TORTOISE_ORM', show_default=True,
help='Tortoise-ORM config dict variable, default is `TORTOISE_ORM`.')
@click.option('-l', '--location', default='./migrations', show_default=True,
help='Migrate store location, default is `./migrations`.')
@click.option('-a', '--app', default='models', show_default=True, help='Tortoise-ORM app name, default is `models`.')
@click.pass_context
async def cli(ctx, config, tortoise_orm, location, app):
ctx.ensure_object(dict)
try:
config_module = importlib.import_module(config)
config = getattr(config_module, tortoise_orm, None)
if not config:
raise BadParameter(param_hint=['--config'],
message=f'Can\'t get "{tortoise_orm}" from module "{config_module}"')
await Tortoise.init(config=config)
ctx.obj['config'] = config
ctx.obj['location'] = location
ctx.obj['app'] = app
if app not in config.get('apps').keys():
raise BadParameter(param_hint=['--app'], message=f'No app found in "{config}"')
except ModuleNotFoundError:
raise BadParameter(param_hint=['--tortoise-orm'], message=f'No module named "{config}"')
@cli.command()
@click.pass_context
def migrate(ctx):
config = ctx.obj['config']
location = ctx.obj['location']
app = ctx.obj['app']
old_models = Migrate.read_old_models(app, location)
print(old_models)
new_models = Tortoise.apps.get(app)
print(new_models)
ret = Migrate(MysqlDDL(get_app_connection(config, app))).diff_models(old_models, new_models)
print(ret)
@cli.command()
@click.pass_context
def upgrade():
pass
@cli.command()
@click.pass_context
def downgrade():
pass
@cli.command()
@click.option('--safe', is_flag=True, default=True,
help='When set to true, creates the table only when it does not already exist..', show_default=True)
@click.pass_context
async def initdb(ctx, safe):
location = ctx.obj['location']
config = ctx.obj['config']
app = ctx.obj['app']
await generate_schema_for_client(get_app_connection(config, app), safe)
Migrate.write_old_models(app, location)
click.secho(f'Success initdb for app `{app}`', fg=Color.green)
@cli.command()
@click.option('--overwrite', is_flag=True, default=False, help=f'Overwrite {Migrate.old_models}.', show_default=True)
@click.pass_context
def init(ctx, overwrite):
location = ctx.obj['location']
app = ctx.obj['app']
if not os.path.isdir(location):
os.mkdir(location)
dirname = os.path.join(location, app)
if not os.path.isdir(dirname):
os.mkdir(dirname)
click.secho(f'Success create migrate location {dirname}', fg=Color.green)
if overwrite:
Migrate.write_old_models(app, location)
else:
raise ClickException('Already inited')
if __name__ == '__main__':
cli(_anyio_backend='asyncio')