How to use the filelock.FileLockException function in filelock
To help you get started, we’ve selected a few filelock examples, based on popular ways it is used in public projects.
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mozilla / caravela / web / tasks.py View on Github 
def sync_dbs():
# prevent multiple workers on the same box from
# synching the directory at the same time
lock_path = os.path.join(os.environ['DATA_DB_PATH'], 'tmp/db.lock')
ensure_dir(lock_path)
try:
with FileLock(lock_path, wait=False):
download_dbs()
except FileLockException:
logger.warn("Lockfile %s exists skiping sync",lock_path)
