/usr/lib/python2.7/dist-packages/celery/app/registry.py is in python-celery 3.1.20-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""
celery.app.registry
~~~~~~~~~~~~~~~~~~~
Registry of available tasks.
"""
from __future__ import absolute_import
import inspect
from importlib import import_module
from celery._state import get_current_app
from celery.exceptions import NotRegistered
from celery.five import items
__all__ = ['TaskRegistry']
class TaskRegistry(dict):
NotRegistered = NotRegistered
def __missing__(self, key):
raise self.NotRegistered(key)
def register(self, task):
"""Register a task in the task registry.
The task will be automatically instantiated if not already an
instance.
"""
self[task.name] = inspect.isclass(task) and task() or task
def unregister(self, name):
"""Unregister task by name.
:param name: name of the task to unregister, or a
:class:`celery.task.base.Task` with a valid `name` attribute.
:raises celery.exceptions.NotRegistered: if the task has not
been registered.
"""
try:
self.pop(getattr(name, 'name', name))
except KeyError:
raise self.NotRegistered(name)
# -- these methods are irrelevant now and will be removed in 4.0
def regular(self):
return self.filter_types('regular')
def periodic(self):
return self.filter_types('periodic')
def filter_types(self, type):
return dict((name, task) for name, task in items(self)
if getattr(task, 'type', 'regular') == type)
def _unpickle_task(name):
return get_current_app().tasks[name]
def _unpickle_task_v2(name, module=None):
if module:
import_module(module)
return get_current_app().tasks[name]
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