def _start_worker_thread(app,
concurrency=1,
pool='solo',
loglevel=WORKER_LOGLEVEL,
logfile=None,
WorkController=TestWorkController,
perform_ping_check=True,
shutdown_timeout=10.0,
**kwargs):
# type: (Celery, int, str, Union[str, int], str, Any, **Any) -> Iterable
"""Start Celery worker in a thread.
Yields:
celery.worker.Worker: worker instance.
"""
setup_app_for_worker(app, loglevel, logfile)
if perform_ping_check:
assert 'celery.ping' in app.tasks
# Make sure we can connect to the broker
with app.connection(hostname=os.environ.get('TEST_BROKER')) as conn:
conn.default_channel.queue_declare
worker = WorkController(
app=app,
concurrency=concurrency,
hostname=anon_nodename(),
pool=pool,
loglevel=loglevel,
logfile=logfile,
# not allowed to override TestWorkController.on_consumer_ready
ready_callback=None,
without_heartbeat=kwargs.pop("without_heartbeat", True),
without_mingle=True,
without_gossip=True,
**kwargs)
t = threading.Thread(target=worker.start, daemon=True)
t.start()
worker.ensure_started()
_set_task_join_will_block(False)
try:
yield worker
finally:
from celery.worker import state
state.should_terminate = 0
t.join(shutdown_timeout)
if t.is_alive():
raise RuntimeError(
"Worker thread failed to exit within the allocated timeout. "
"Consider raising `shutdown_timeout` if your tasks take longer "
"to execute.")
state.should_terminate = None
def _start_worker_thread(
app,
concurrency=1,
pool="solo",
loglevel=WORKER_LOGLEVEL,
logfile=None,
WorkController=TestWorkController,
perform_ping_check=True,
**kwargs
):
# type: (Celery, int, str, Union[str, int], str, Any, **Any) -> Iterable
"""Start Celery worker in a thread.
Yields:
celery.worker.Worker: worker instance.
"""
setup_app_for_worker(app, loglevel, logfile)
if perform_ping_check:
assert "celery.ping" in app.tasks
# Make sure we can connect to the broker
with app.connection(hostname=os.environ.get("TEST_BROKER")) as conn:
conn.default_channel.queue_declare
worker = WorkController(
app=app,
concurrency=concurrency,
hostname=anon_nodename(),
pool=pool,
loglevel=loglevel,
logfile=logfile,
# not allowed to override TestWorkController.on_consumer_ready
ready_callback=None,
without_heartbeat=True,
without_mingle=True,
without_gossip=True,
**kwargs
)
t = threading.Thread(target=worker.start)
t.start()
worker.ensure_started()
_set_task_join_will_block(False)
yield worker
from celery.worker import state
state.should_terminate = 0
t.join(10)
state.should_terminate = None
def _start_worker_thread(app,
concurrency=1,
pool='solo',
loglevel=WORKER_LOGLEVEL,
logfile=None,
WorkController=TestWorkController,
**kwargs):
# type: (Celery, int, str, Union[str, int], str, Any, **Any) -> Iterable
"""Start Celery worker in a thread.
Yields:
celery.worker.Worker: worker instance.
"""
setup_app_for_worker(app, loglevel, logfile)
assert 'celery.ping' in app.tasks
# Make sure we can connect to the broker
with app.connection() as conn:
conn.default_channel.queue_declare
worker = WorkController(
app=app,
concurrency=concurrency,
hostname=anon_nodename(),
pool=pool,
loglevel=loglevel,
logfile=logfile,
# not allowed to override TestWorkController.on_consumer_ready
ready_callback=None,
without_heartbeat=True,
without_mingle=True,
without_gossip=True,
**kwargs)
t = threading.Thread(target=worker.start)
t.start()
worker.ensure_started()
_set_task_join_will_block(False)
yield worker
from celery.worker import state
state.should_terminate = 0
t.join(10)
state.should_terminate = None