Files
deb-python-taskflow/taskflow/examples/worker_based_flow.py
Stanislav Kudriashev faca24c0a0 Remove extraneous vim configuration comments
Change-Id: I06eada275398adc3523c02a99d9e4650e2dd1637
2014-02-21 14:49:11 +02:00

74 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2014 Yahoo! Inc. All Rights Reserved.
#
# 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.
import json
import os
import subprocess
import sys
import tempfile
self_dir = os.path.abspath(os.path.dirname(__file__))
sys.path.insert(0, self_dir)
import example_utils # noqa
def _path_to(name):
return os.path.abspath(os.path.join(os.path.dirname(__file__),
'worker_based', name))
def run_test(name, config):
cmd = [sys.executable, _path_to(name), config]
process = subprocess.Popen(cmd, stdin=None, stdout=subprocess.PIPE,
stderr=sys.stderr)
return process, cmd
def main():
tmp_path = None
try:
tmp_path = tempfile.mkdtemp(prefix='worker-based-example-')
config = json.dumps({
'transport': 'filesystem',
'transport_options': {
'data_folder_in': tmp_path,
'data_folder_out': tmp_path
}
})
print('Run worker.')
worker_process, _ = run_test('worker.py', config)
print('Run flow.')
flow_process, flow_cmd = run_test('flow.py', config)
stdout, _ = flow_process.communicate()
rc = flow_process.returncode
if rc != 0:
raise RuntimeError("Could not run %s [%s]" % (flow_cmd, rc))
print(stdout.decode())
print('Flow finished.')
print('Stop worker.')
worker_process.terminate()
finally:
if tmp_path is not None:
example_utils.rm_path(tmp_path)
if __name__ == '__main__':
main()