def configure(self, runtime_environment):
self.dependency_manager = runtime_environment.dependency_manager
if self.pipeline_path is not Ellipsis:
return
# the pipeline_name may be sibling notation, so resolve it to a fully qualified pipeline name
pipeline_name = util.resolve_sibling_import(self.pipeline_name, self.evaluator.name)
self.pipeline_dependency = self.dependency_manager.as_dependency(dict(provider='pipeline.%s' % pipeline_name))
self.dependency_manager.add_dependency(self, self.pipeline_dependency)
def process_dynamic_input(self, input, baton):
pipeline_name = util.dict_get_path(baton, self.pipeline_path)
# the pipeline_name may be sibling notation, so resolve it to a fully qualified pipeline name
pipeline_name = util.resolve_sibling_import(pipeline_name, self.evaluator.name)
dependency = self.dependency_manager.add_dependency(self, dict(provider='pipeline.%s'%pipeline_name))
try:
self.dependency_manager.resolve_initial_states()
pipeline = yield dependency.wait_for_resource()
results = yield self.process_input_using_pipeline(input, baton, pipeline)
defer.returnValue(results)
finally:
# while this is sufficient to remove the dependency between ourselves
# and the target pipeline, it does not currently deconstruct the pipeline
# and its resources even if it is no longer needed.
self.dependency_manager.remove_dependency(self, dependency)