示例#1
0
def girder_before_task_publish(sender=None, body=None, exchange=None,
                               routing_key=None, headers=None, properties=None,
                               declare=None, retry_policy=None, **kwargs):

    if is_builtin_celery_task(sender):
        return

    job = None

    try:
        context = get_context()
        if 'jobInfoSpec' not in headers:
            job = context.create_task_job(
                Task.girder_job_defaults(), sender=sender, body=body, exchange=exchange,
                routing_key=routing_key, headers=headers, properties=properties, declare=declare,
                retry_policy=retry_policy, **kwargs)

        if 'girder_api_url' not in headers:
            context.attach_girder_api_url(sender=sender, body=body,
                                          exchange=exchange,
                                          routing_key=routing_key,
                                          headers=headers,
                                          properties=properties,
                                          declare=declare,
                                          retry_policy=retry_policy,
                                          **kwargs)

        if 'girder_client_token' not in headers:
            context.attach_girder_client_token(sender=sender,
                                               body=body,
                                               exchange=exchange,
                                               routing_key=routing_key,
                                               headers=headers,
                                               properties=properties,
                                               declare=declare,
                                               retry_policy=retry_policy,
                                               **kwargs)
        if 'girder_result_hooks' in headers:
            if job is not None:
                for result_hook in headers['girder_result_hooks']:
                    if isinstance(result_hook, ResultTransform):
                        result_hook.job = job

            # Celery task headers are not automatically serialized by celery
            # before being passed off to ampq for byte packing. We will have
            # to do that here.
            p = jsonpickle.pickler.Pickler()
            headers['girder_result_hooks'] = \
                [p.flatten(grh) for grh in headers['girder_result_hooks']]

        # Finally,  remove all reserved_options from headers
        for key in Task.reserved_options:
            headers.pop(key, None)
    except Exception:
        logger.exception('An error occurred in girder_before_task_publish.')
        raise
示例#2
0
 def job(self):
     context = get_context()
     if self._job is None:
         self._job = context.get_async_result_job_property(self)
     return self._job