import asyncpg
import asyncio
from os.path import isfile
from sys import exit


from risotto.config import get_config


async def main():
    sql_filename = get_config()['global']['sql_filename']
    if not isfile(sql_filename):
        print('no sql file to import')
        exit()
    db_conf = get_config()['database']['dsn']
    pool = await asyncpg.create_pool(db_conf)
    async with pool.acquire() as connection:
        async with connection.transaction():
            with open(sql_filename, 'r') as sql:
                await connection.execute(sql.read())

if __name__ == '__main__':
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())