70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
import logging
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from ..config import Config
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from ..message.request import Request
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from ..message.response import Response
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class Procedure(object):
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""" Procedure class. A procedure is a pre-configured list of requests """
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def __init__(self, name, async, requests, backend=None):
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"""
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Params:
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name -- Procedure name
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async -- Whether the actions in the procedure are supposed to
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be executed sequentially or in parallel (True or False)
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requests -- List of platylist.message.request.Request objects
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"""
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self.name = name
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self.async = async
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self.requests = requests
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self.backend = backend
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for req in requests:
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req.backend = self.backend
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@classmethod
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def build(cls, name, async, requests, backend=None, id=None, **kwargs):
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reqs = []
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for request_config in requests:
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request_config['origin'] = Config.get('device_id')
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request_config['id'] = id
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if 'target' not in request_config:
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request_config['target'] = request_config['origin']
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request = Request.build(request_config)
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reqs.append(request)
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return cls(name=name, async=async, requests=reqs, backend=backend, **kwargs)
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def execute(self, n_tries=1):
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"""
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Execute the requests in the procedure
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Params:
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n_tries -- Number of tries in case of failure before raising a RuntimeError
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"""
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logging.info('Executing request {}'.format(self.name))
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context = {}
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response = Response()
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for request in self.requests:
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if self.async:
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request.execute(n_tries, async=True, **context)
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else:
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response = request.execute(n_tries, async=False, **context)
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if isinstance(response.output, dict):
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for (k,v) in response.output.items():
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context[k] = v
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context['output'] = response.output
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context['errors'] = response.errors
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return response
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# vim:sw=4:ts=4:et:
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