How to use the billiard.process.current_process function in billiard

def test_worker_term_hard_handler_only_stop_MainProcess(self):
        process = current_process()
        name, process.name = process.name, 'OtherProcess'
        try:
            with patch('celery.apps.worker.active_thread_count') as c:
                c.return_value = 3
                worker = self._Worker()
                handlers = self.psig(
                    cd.install_worker_term_hard_handler, worker)
                try:
                    handlers['SIGQUIT']('SIGQUIT', object())
                    assert state.should_terminate
                finally:
                    state.should_terminate = None
            with patch('celery.apps.worker.active_thread_count') as c:
                c.return_value = 1
                worker = self._Worker()
                handlers = self.psig(

def test_worker_term_hard_handler_only_stop_MainProcess(self):
        process = current_process()
        name, process.name = process.name, 'OtherProcess'
        try:
            with patch('celery.apps.worker.active_thread_count') as c:
                c.return_value = 3
                worker = self._Worker()
                handlers = self.psig(
                    cd.install_worker_term_hard_handler, worker)
                try:
                    handlers['SIGQUIT']('SIGQUIT', object())
                    assert state.should_terminate
                finally:
                    state.should_terminate = None
            with patch('celery.apps.worker.active_thread_count') as c:
                c.return_value = 1
                worker = self._Worker()
                handlers = self.psig(

def _make_name():
        return '%s-%s' % (process.current_process()._config['semprefix'],
                          next(SemLock._rand))

def _main(fd):
    _Django_old_layout_hack__load()
    with io.open(fd, 'rb', closefd=True) as from_parent:
        process.current_process()._inheriting = True
        try:
            preparation_data = pickle.load(from_parent)
            prepare(preparation_data)
            _setup_logging_in_child_hack()
            self = pickle.load(from_parent)
        finally:
            del process.current_process()._inheriting
    return self._bootstrap()

Run code specifed by data received over pipe
    '''
    global _forking_is_enabled
    _Django_old_layout_hack__load()

    assert is_forking(sys.argv)
    _forking_is_enabled = False

    handle = int(sys.argv[-1])
    if sys.platform == 'win32':
        fd = msvcrt.open_osfhandle(handle, os.O_RDONLY)
    else:
        fd = handle
    from_parent = os.fdopen(fd, 'rb')

    process.current_process()._inheriting = True
    preparation_data = load(from_parent)
    prepare(preparation_data)
    # Huge hack to make logging before Process.run work.
    try:
        os.environ["MP_MAIN_FILE"] = sys.modules["__main__"].__file__
    except KeyError:
        pass
    except AttributeError:
        pass
    loglevel = os.environ.get("_MP_FORK_LOGLEVEL_")
    logfile = os.environ.get("_MP_FORK_LOGFILE_") or None
    format = os.environ.get("_MP_FORK_LOGFORMAT_")
    if loglevel:
        from billiard import util
        import logging
        logger = util.get_logger()

def prepare(data):
    '''
    Try to get current process ready to unpickle process object
    '''
    old_main_modules.append(sys.modules['__main__'])

    if 'name' in data:
        process.current_process().name = data['name']

    if 'authkey' in data:
        process.current_process()._authkey = data['authkey']

    if 'log_to_stderr' in data and data['log_to_stderr']:
        util.log_to_stderr()

    if 'log_level' in data:
        util.get_logger().setLevel(data['log_level'])

    if 'sys_path' in data:
        sys.path = data['sys_path']

    if 'sys_argv' in data:
        sys.argv = data['sys_argv']

    if 'dir' in data:
        os.chdir(data['dir'])

#
# Base type for contexts
#

class BaseContext(object):

    ProcessError = ProcessError
    BufferTooShort = BufferTooShort
    TimeoutError = TimeoutError
    AuthenticationError = AuthenticationError
    TimeLimitExceeded = TimeLimitExceeded
    SoftTimeLimitExceeded = SoftTimeLimitExceeded
    WorkerLostError = WorkerLostError

    current_process = staticmethod(process.current_process)
    active_children = staticmethod(process.active_children)

    if hasattr(os, 'cpu_count'):
        def cpu_count(self):
            '''Returns the number of CPUs in the system'''
            num = os.cpu_count()
            if num is None:
                raise NotImplementedError('cannot determine number of cpus')
            else:
                return num
    else:
        def cpu_count(self):  # noqa
            if sys.platform == 'win32':
                try:
                    num = int(os.environ['NUMBER_OF_PROCESSORS'])
                except (ValueError, KeyError):

def get_preparation_data(name):
    '''
    Return info about parent needed by child to unpickle process object
    '''
    from billiard.util import _logger, _log_to_stderr

    d = dict(
        name=name,
        sys_path=sys.path,
        sys_argv=sys.argv,
        log_to_stderr=_log_to_stderr,
        orig_dir=process.ORIGINAL_DIR,
        authkey=process.current_process().authkey,
    )

    if _logger is not None:
        d['log_level'] = _logger.getEffectiveLevel()

    if not WINEXE and not WINSERVICE:
        main_path = getattr(sys.modules['__main__'], '__file__', None)
        if not main_path and sys.argv[0] not in ('', '-c'):
            main_path = sys.argv[0]
        if main_path is not None:
            if (not os.path.isabs(main_path) and
                    process.ORIGINAL_DIR is not None):
                main_path = os.path.join(process.ORIGINAL_DIR, main_path)
            d['main_path'] = os.path.normpath(main_path)

    return d

def get_preparation_data(name):
    '''
    Return info about parent needed by child to unpickle process object
    '''
    _check_not_importing_main()
    d = dict(
        log_to_stderr=util._log_to_stderr,
        authkey=process.current_process().authkey,
    )

    if util._logger is not None:
        d['log_level'] = util._logger.getEffectiveLevel()

    sys_path = sys.path[:]
    try:
        i = sys_path.index('')
    except ValueError:
        pass
    else:
        sys_path[i] = process.ORIGINAL_DIR

    d.update(
        name=name,
        sys_path=sys_path,