import requests


LOCKS_URL = 'http://locks'


class Conflict(Exception):
    pass


def acquire(name: str, ttl: int = 1):
    resp = requests.post(f'{LOCKS_URL}/api/v1/acquire', json={
        'name': name,
        'ttl': ttl,
    })
    if resp.status_code == 409:
        raise Conflict
    if resp.status_code != 202:
        raise Exception


def release(name: str):
    resp = requests.post(f'{LOCKS_URL}/api/v1/release', json={
        'name': name,
    })
    if resp.status_code != 202:
        raise Exception