def persist_workflow_description(self, description):
'''Persists the workflow description and updates `workflow_type`.
Parameters
----------
description: tmlib.workflow.tmaps.description.WorkflowDescription
description of the workflow
'''
self.workflow_type = description.type
with YamlWriter(self._workflow_descriptor_file) as f:
f.write(description.to_dict())
def _update_handles(self):
handles_files = []
# Create new .handles files for added modules
old_handles_files = glob.glob(
os.path.join(self.location, 'handles', '*%s' % HANDLES_SUFFIX))
new_handles_files = list()
for h in self.handles:
filename = self._get_handles_file(h.name)
new_handles_files.append(filename)
with YamlWriter(filename) as f:
f.write(h.description.to_dict())
# Remove .handles file that are no longer in the pipeline
for f in old_handles_files:
if f not in new_handles_files:
os.remove(f)
def _create_pipe_file(self, filename):
logger.info('create pipeline descriptor file: %s', filename)
pipe = {
'input': {
'channels': list(),
'objects': list()
},
'pipeline': list(),
'output': {
'objects': list()
}
}
with YamlWriter(filename) as f:
f.write(pipe)
return pipe
def _update_pipe(self):
pipe_file = self._get_pipe_file()
with YamlWriter(pipe_file) as f:
f.write(self.pipe.description.to_dict())
