# -*- coding: utf-8 -*-
"""Distributed Task Queue"""
# :copyright: (c) 2015 Ask Solem and individual contributors.
# All rights # reserved.
# :copyright: (c) 2012-2014 GoPivotal, Inc., All rights reserved.
# :copyright: (c) 2009 - 2012 Ask Solem and individual contributors,
# All rights reserved.
# :license: BSD (3 Clause), see LICENSE for more details.
from __future__ import absolute_import
import os
import sys
from collections import namedtuple
version_info_t = namedtuple(
'version_info_t', ('major', 'minor', 'micro', 'releaselevel', 'serial'),
)
SERIES = 'Cipater'
VERSION = version_info_t(3, 1, 23, '', '')
__version__ = '{0.major}.{0.minor}.{0.micro}{0.releaselevel}'.format(VERSION)
__author__ = 'Ask Solem'
__contact__ = 'ask@celeryproject.org'
__homepage__ = 'http://celeryproject.org'
__docformat__ = 'restructuredtext'
__all__ = [
'Celery', 'bugreport', 'shared_task', 'task',
'current_app', 'current_task', 'maybe_signature',
'chain', 'chord', 'chunks', 'group', 'signature',
'xmap', 'xstarmap', 'uuid', 'version', '__version__',
]
VERSION_BANNER = '{0} ({1})'.format(__version__, SERIES)
# -eof meta-
if os.environ.get('C_IMPDEBUG'): # pragma: no cover
from .five import builtins
real_import = builtins.__import__
def debug_import(name, locals=None, globals=None,
fromlist=None, level=-1):
glob = globals or getattr(sys, 'emarfteg_'[::-1])(1).f_globals
importer_name = glob and glob.get('__name__') or 'unknown'
print('-- {0} imports {1}'.format(importer_name, name))
return real_import(name, locals, globals, fromlist, level)
builtins.__import__ = debug_import
# This is never executed, but tricks static analyzers (PyDev, PyCharm,
# pylint, etc.) into knowing the types of these symbols, and what
# they contain.
STATICA_HACK = True
globals()['kcah_acitats'[::-1].upper()] = False
if STATICA_HACK: # pragma: no cover
from celery.app import shared_task # noqa
from celery.app.base import Celery # noqa
from celery.app.utils import bugreport # noqa
from celery.app.task import Task # noqa
from celery._state import current_app, current_task # noqa
from celery.canvas import ( # noqa
chain, chord, chunks, group,
signature, maybe_signature, xmap, xstarmap, subtask,
)
from celery.utils import uuid # noqa
# Eventlet/gevent patching must happen before importing
# anything else, so these tools must be at top-level.
def _find_option_with_arg(argv, short_opts=None, long_opts=None):
"""Search argv for option specifying its short and longopt
alternatives.
Return the value of the option if found.
"""
for i, arg in enumerate(argv):
if arg.startswith('-'):
if long_opts and arg.startswith('--'):
name, _, val = arg.partition('=')
if name in long_opts:
return val
if short_opts and arg in short_opts:
return argv[i + 1]
raise KeyError('|'.join(short_opts or [] + long_opts or []))
def _patch_eventlet():
import eventlet
import eventlet.debug
eventlet.monkey_patch()
EVENTLET_DBLOCK = int(os.environ.get('EVENTLET_NOBLOCK', 0))
if EVENTLET_DBLOCK:
eventlet.debug.hub_blocking_detection(EVENTLET_DBLOCK)
def _patch_gevent():
from gevent import monkey, version_info
monkey.patch_all()
if version_info[0] == 0: # pragma: no cover
# Signals aren't working in gevent versions <1.0,
# and are not monkey patched by patch_all()
from gevent import signal as _gevent_signal
_signal = __import__('signal')
_signal.signal = _gevent_signal
def maybe_patch_concurrency(argv=sys.argv,
short_opts=['-P'], long_opts=['--pool'],
patches={'eventlet': _patch_eventlet,
'gevent': _patch_gevent}):
"""With short and long opt alternatives that specify the command line
option to set the pool, this makes sure that anything that needs
to be patched is completed as early as possible.
(e.g. eventlet/gevent monkey patches)."""
try:
pool = _find_option_with_arg(argv, short_opts, long_opts)
except KeyError:
pass
else:
try:
patcher = patches[pool]
except KeyError:
pass
else:
patcher()
# set up eventlet/gevent environments ASAP.
from celery import concurrency
concurrency.get_implementation(pool)
# Lazy loading
from celery import five # noqa
old_module, new_module = five.recreate_module( # pragma: no cover
__name__,
by_module={
'celery.app': ['Celery', 'bugreport', 'shared_task'],
'celery.app.task': ['Task'],
'celery._state': ['current_app', 'current_task'],
'celery.canvas': ['chain', 'chord', 'chunks', 'group',
'signature', 'maybe_signature', 'subtask',
'xmap', 'xstarmap'],
'celery.utils': ['uuid'],
},
direct={'task': 'celery.task'},
__package__='celery', __file__=__file__,
__path__=__path__, __doc__=__doc__, __version__=__version__,
__author__=__author__, __contact__=__contact__,
__homepage__=__homepage__, __docformat__=__docformat__, five=five,
VERSION=VERSION, SERIES=SERIES, VERSION_BANNER=VERSION_BANNER,
version_info_t=version_info_t,
maybe_patch_concurrency=maybe_patch_concurrency,
_find_option_with_arg=_find_option_with_arg,
)