def __init__(self, connection=None, hostname=None, enabled=True,
channel=None, buffer_while_offline=True, app=None,
serializer=None, groups=None, delivery_mode=1):
self.app = app_or_default(app or self.app)
self.connection = connection
self.channel = channel
self.hostname = hostname or anon_nodename()
self.buffer_while_offline = buffer_while_offline
self.mutex = threading.Lock()
self.producer = None
self._outbound_buffer = deque()
self.serializer = serializer or self.app.conf.CELERY_EVENT_SERIALIZER
self.on_enabled = set()
self.on_disabled = set()
self.groups = set(groups or [])
self.tzoffset = [-time.timezone, -time.altzone]
self.clock = self.app.clock
self.delivery_mode = delivery_mode
if not connection and channel:
self.connection = channel.connection.client
self.enabled = enabled
conninfo = self.connection or self.app.connection()
self.exchange = get_exchange(conninfo)
if conninfo.transport.driver_type in self.DISABLED_TRANSPORTS:
self.enabled = False
if self.enabled:
self.enable()
self.headers = {'hostname': self.hostname}
self.pid = os.getpid()
def as_task_v2(self, task_id, name, args=None, kwargs=None,
countdown=None, eta=None, group_id=None,
expires=None, retries=0, chord=None,
callbacks=None, errbacks=None, reply_to=None,
time_limit=None, soft_time_limit=None,
create_sent_event=False, root_id=None, parent_id=None,
shadow=None, chain=None, now=None, timezone=None,
origin=None, argsrepr=None, kwargsrepr=None):
args = args or ()
kwargs = kwargs or {}
if not isinstance(args, (list, tuple)):
raise TypeError('task args must be a list or tuple')
if not isinstance(kwargs, Mapping):
raise TypeError('task keyword arguments must be a mapping')
if countdown: # convert countdown to ETA
self._verify_seconds(countdown, 'countdown')
now = now or self.app.now()
timezone = timezone or self.app.timezone
eta = maybe_make_aware(
now + timedelta(seconds=countdown), tz=timezone,
)
if isinstance(expires, numbers.Real):
self._verify_seconds(expires, 'expires')
now = now or self.app.now()
timezone = timezone or self.app.timezone
expires = maybe_make_aware(
now + timedelta(seconds=expires), tz=timezone,
)
eta = eta and eta.isoformat()
expires = expires and expires.isoformat()
if argsrepr is None:
argsrepr = saferepr(args, self.argsrepr_maxsize)
if kwargsrepr is None:
kwargsrepr = saferepr(kwargs, self.kwargsrepr_maxsize)
if JSON_NEEDS_UNICODE_KEYS: # pragma: no cover
if callbacks:
callbacks = [utf8dict(callback) for callback in callbacks]
if errbacks:
errbacks = [utf8dict(errback) for errback in errbacks]
if chord:
chord = utf8dict(chord)
return task_message(
headers={
'lang': 'py',
'task': name,
'id': task_id,
'eta': eta,
'expires': expires,
'group': group_id,
'retries': retries,
'timelimit': [time_limit, soft_time_limit],
'root_id': root_id,
'parent_id': parent_id,
'argsrepr': argsrepr,
'kwargsrepr': kwargsrepr,
'origin': origin or anon_nodename()
},
properties={
'correlation_id': task_id,
'reply_to': reply_to or '',
},
body=(
args, kwargs, {
'callbacks': callbacks,
'errbacks': errbacks,
'chain': chain,
'chord': chord,
},
),
sent_event={
'uuid': task_id,
'root_id': root_id,
'parent_id': parent_id,
'name': name,
'args': argsrepr,
'kwargs': kwargsrepr,
'retries': retries,
'eta': eta,
'expires': expires,
} if create_sent_event else None,
)
def as_task_v2(self,
task_id,
name,
args=None,
kwargs=None,
countdown=None,
eta=None,
group_id=None,
expires=None,
retries=0,
chord=None,
callbacks=None,
errbacks=None,
reply_to=None,
time_limit=None,
soft_time_limit=None,
create_sent_event=False,
root_id=None,
parent_id=None,
shadow=None,
chain=None,
now=None,
timezone=None,
origin=None,
argsrepr=None,
kwargsrepr=None):
args = args or ()
kwargs = kwargs or {}
if not isinstance(args, (list, tuple)):
raise TypeError('task args must be a list or tuple')
if not isinstance(kwargs, Mapping):
raise TypeError('task keyword arguments must be a mapping')
if countdown: # convert countdown to ETA
self._verify_seconds(countdown, 'countdown')
now = now or self.app.now()
timezone = timezone or self.app.timezone
eta = maybe_make_aware(
now + timedelta(seconds=countdown),
tz=timezone,
)
if isinstance(expires, numbers.Real):
self._verify_seconds(expires, 'expires')
now = now or self.app.now()
timezone = timezone or self.app.timezone
expires = maybe_make_aware(
now + timedelta(seconds=expires),
tz=timezone,
)
eta = eta and eta.isoformat()
expires = expires and expires.isoformat()
if argsrepr is None:
argsrepr = saferepr(args, self.argsrepr_maxsize)
if kwargsrepr is None:
kwargsrepr = saferepr(kwargs, self.kwargsrepr_maxsize)
if JSON_NEEDS_UNICODE_KEYS: # pragma: no cover
if callbacks:
callbacks = [utf8dict(callback) for callback in callbacks]
if errbacks:
errbacks = [utf8dict(errback) for errback in errbacks]
if chord:
chord = utf8dict(chord)
return task_message(
headers={
'lang': 'py',
'task': name,
'id': task_id,
'eta': eta,
'expires': expires,
'group': group_id,
'retries': retries,
'timelimit': [time_limit, soft_time_limit],
'root_id': root_id,
'parent_id': parent_id,
'argsrepr': argsrepr,
'kwargsrepr': kwargsrepr,
'origin': origin or anon_nodename()
},
properties={
'correlation_id': task_id,
'reply_to': reply_to or '',
},
body=(
args,
kwargs,
{
'callbacks': callbacks,
'errbacks': errbacks,
'chain': chain,
'chord': chord,
},
),
sent_event={
'uuid': task_id,
'root_id': root_id,
'parent_id': parent_id,
'name': name,
'args': argsrepr,
'kwargs': kwargsrepr,
'retries': retries,
'eta': eta,
'expires': expires,
} if create_sent_event else None,
)
