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senpy/example-plugins/async_plugin.py
2019-07-17 16:29:30 +02:00

54 lines
1.4 KiB
Python

#
# Copyright 2014 Grupo de Sistemas Inteligentes (GSI) DIT, UPM
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from senpy import AnalysisPlugin
import multiprocessing
def _train(process_number):
return process_number
class Async(AnalysisPlugin):
'''An example of an asynchronous module'''
author = '@balkian'
version = '0.2'
sync = False
def _do_async(self, num_processes):
pool = multiprocessing.Pool(processes=num_processes)
values = sorted(pool.map(_train, range(num_processes)))
return values
def activate(self):
self.value = self._do_async(4)
def analyse_entry(self, entry, params):
values = self._do_async(2)
entry.async_values = values
yield entry
test_cases = [
{
'input': 'any',
'expected': {
'async_values': [0, 1]
}
}
]