/usr/lib/python3/dist-packages/celery/__init__.py is in python3-celery 4.1.0-2ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | # -*- coding: utf-8 -*-
"""Distributed Task Queue."""
# :copyright: (c) 2015-2016 Ask Solem. 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, print_function, unicode_literals
import os
import re
import sys
from collections import namedtuple
SERIES = 'latentcall'
__version__ = '4.1.0'
__author__ = 'Ask Solem'
__contact__ = 'ask@celeryproject.org'
__homepage__ = 'http://celeryproject.org'
__docformat__ = 'restructuredtext'
__keywords__ = 'task job queue distributed messaging actor'
# -eof meta-
__all__ = [
'Celery', 'bugreport', 'shared_task', 'task',
'current_app', 'current_task', 'maybe_signature',
'chain', 'chord', 'chunks', 'group', 'signature',
'xmap', 'xstarmap', 'uuid',
]
VERSION_BANNER = '{0} ({1})'.format(__version__, SERIES)
version_info_t = namedtuple('version_info_t', (
'major', 'minor', 'micro', 'releaselevel', 'serial',
))
# bumpversion can only search for {current_version}
# so we have to parse the version here.
_temp = re.match(
r'(\d+)\.(\d+).(\d+)(.+)?', __version__).groups()
VERSION = version_info = version_info_t(
int(_temp[0]), int(_temp[1]), int(_temp[2]), _temp[3] or '', '')
del _temp
del re
if os.environ.get('C_IMPDEBUG'): # pragma: no cover
from .five import builtins
def debug_import(name, locals=None, globals=None,
fromlist=None, level=-1, real_import=builtins.__import__):
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 options specifying short and longopt alternatives.
Returns:
str: value for option found
Raises:
KeyError: if option not found.
"""
for i, arg in enumerate(argv):
if arg.startswith('-'):
if long_opts and arg.startswith('--'):
name, sep, val = arg.partition('=')
if name in long_opts:
return val if sep else argv[i + 1]
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()
blockdetect = float(os.environ.get('EVENTLET_NOBLOCK', 0))
if blockdetect:
eventlet.debug.hub_blocking_detection(blockdetect, blockdetect)
def _patch_gevent():
import gevent
from gevent import monkey, signal as gevent_signal
monkey.patch_all()
if gevent.version_info[0] == 0: # pragma: no cover
# Signals aren't working in gevent versions <1.0,
# and aren't monkey patched by patch_all()
_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}):
"""Apply eventlet/gevent monkeypatches.
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 . import local # noqa
# this just creates a new module, that imports stuff on first attribute
# access. This makes the library faster to use.
old_module, new_module = local.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': [
'Signature', '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__, local=local,
VERSION=VERSION, SERIES=SERIES, VERSION_BANNER=VERSION_BANNER,
version_info_t=version_info_t,
version_info=version_info,
maybe_patch_concurrency=maybe_patch_concurrency,
_find_option_with_arg=_find_option_with_arg,
absolute_import=absolute_import,
unicode_literals=unicode_literals,
print_function=print_function,
)
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