def execute_job(self, process_id, wps_inputs, wps_outputs, mode, job_uuid): """ Real execution of the process by active Celery Worker. """ execution = WPSExecution(version="2.0", url="localhost") xml_request = execution.buildRequest(process_id, wps_inputs, wps_outputs, mode=mode, lineage=True) wps_request = WPSRequest() wps_request.identifier = process_id wps_request.set_version("2.0.0") request_parser = wps_request._post_request_parser( wps_request.WPS.Execute().tag) # noqa: W0212 request_parser(xml_request) # NOTE: # Setting 'status = false' will disable async execution of 'pywps.app.Process.Process' # but this is needed since this job is running within Celery worker already async # (daemon process can't have children processes) # Because if how the code in PyWPS is made, we have to re-enable creation of status file wps_request.status = "false" wps_response = super(WorkerService, self).execute(process_id, wps_request, job_uuid) wps_response.store_status_file = True # update execution status with actual status file and apply required references execution = check_wps_status( location=wps_response.process.status_location, settings=self.settings) execution.request = xml_request return execution
def checkStatus(cls, instance): if not instance.is_initialized(): exception = Exception("Not initialized!") log.exception("Not initialized!") raise exception if instance.execution and isinstance( instance.execution, WebProcessingServiceExecution) and instance.execution.response: _e = WPSExecution(version=instance.version, url=instance.url, username=instance.username, password=instance.password, verbose=False) _e.request = instance.execution.request _e.statusLocation = instance.execution.status_location _e.serviceInstance = instance.service_instance try: _e.checkStatus(sleepSecs=3) except: log.exception( "Exception while Checking WPS Execution Status {}".format( _e)) if _e.status: cls._update_instance_execution_status(instance, _e) else: raise Exception("Status check failed") return instance.execution.status else: exception = Exception("No running executions!") log.exception("No running executions!") raise exception
def execute_job( self, job, # type: Job wps_inputs, # type: List[WPS_InputData] wps_outputs, # type: List[WPS_OutputRequested] remote_process, # type: Optional[Process] headers, # type: Optional[AnyHeadersContainer] ): # type: (...) -> WPSExecution """ Real execution of the process by active Celery Worker. """ process_id = job.process execution = WPSExecution(version="2.0", url="localhost") xml_request = execution.buildRequest(process_id, wps_inputs, wps_outputs, mode=job.execution_mode, lineage=True) wps_request = WorkerRequest(http_headers=headers) wps_request.identifier = process_id wps_request.check_and_set_language(job.accept_language) wps_request.set_version("2.0.0") request_parser = wps_request._post_request_parser( wps_request.WPS.Execute().tag) # noqa: W0212 request_parser( xml_request ) # parses the submitted inputs/outputs data and request parameters # NOTE: # Setting 'status = false' will disable async execution of 'pywps.app.Process.Process' # but this is needed since this job is running within Celery worker already async # (daemon process can't have children processes). wps_request.status = "false" # When 'execute' is called, pywps will in turn call 'prepare_process_for_execution', # which then setups and retrieves currently loaded 'local' processes. # Since only local processes were defined by 'get_pywps_service', # a temporary process must be added for remote providers execution. if not remote_process: worker_process_id = process_id else: worker_process_id = f"wps_package-{process_id}-{job.uuid}" self.dispatched_processes[worker_process_id] = remote_process wps_response = super(WorkerService, self).execute(worker_process_id, wps_request, job.uuid) # re-enable creation of status file so we can find it since we disabled 'status' earlier for sync execution wps_response.store_status_file = True # update execution status with actual status file and apply required references execution = check_wps_status( location=wps_response.process.status_location, settings=self.settings) execution.request = xml_request return execution