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81 lines
2.5 KiB
Python

#!/usr/bin/env python
import os
import sys
import argparse
import logging
import logging.config
from rq import Queue, Worker
from rq.logutils import setup_loghandlers
from redis.exceptions import ConnectionError
from rq.contrib.legacy import cleanup_ghosts
from rq.scripts import add_standard_arguments
from rq.scripts import setup_redis
from rq.scripts import read_config_file
from rq.scripts import setup_default_arguments
logger = logging.getLogger(__name__)
def parse_args():
parser = argparse.ArgumentParser(description='Starts an RQ worker.')
add_standard_arguments(parser)
parser.add_argument('--burst', '-b', action='store_true', default=False, help='Run in burst mode (quit after all work is done)')
parser.add_argument('--name', '-n', default=None, help='Specify a different name')
parser.add_argument('--path', '-P', default='.', help='Specify the import path.')
parser.add_argument('--verbose', '-v', action='store_true', default=False, help='Show more output')
parser.add_argument('--quiet', '-q', action='store_true', default=False, help='Show less output')
parser.add_argument('--sentry-dsn', action='store', default=None, metavar='URL', help='Report exceptions to this Sentry DSN')
parser.add_argument('queues', nargs='*', help='The queues to listen on (default: \'default\')')
return parser.parse_args()
def main():
args = parse_args()
if args.path:
sys.path = args.path.split(':') + sys.path
settings = {}
if args.config:
settings = read_config_file(args.config)
setup_default_arguments(args, settings)
# Other default arguments
if args.sentry_dsn is None:
args.sentry_dsn = settings.get('SENTRY_DSN',
os.environ.get('SENTRY_DSN', None))
if args.verbose and args.quiet:
raise RuntimeError("Flags --verbose and --quiet are mutually exclusive.")
if args.verbose:
level = 'DEBUG'
elif args.quiet:
level = 'WARNING'
else:
level = 'INFO'
setup_loghandlers(level)
setup_redis(args)
cleanup_ghosts()
try:
queues = map(Queue, args.queues)
w = Worker(queues, name=args.name)
# Should we configure Sentry?
if args.sentry_dsn:
from raven import Client
from rq.contrib.sentry import register_sentry
client = Client(args.sentry_dsn)
register_sentry(client, w)
w.work(burst=args.burst)
except ConnectionError as e:
print(e)
sys.exit(1)