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context-manager

python 
import errno
import fcntl
import os
import time

File-Based Locking to Prevent Concurrent Cron Job Runs in Python

locking concurrency fcntl
by codesnips 3 tabs
python 
import logging
from typing import Awaitable, Callable, List, Tuple

log = logging.getLogger("saga")

Compensation = Callable[[], Awaitable[None]]

Saga-Style Rollback With a Context-Managed Compensating Action Stack

saga rollback context-manager
by codesnips 3 tabs