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rl_runner.py
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rl_runner.py
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# Copyright 2018 Google LLC
#
# 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.
""" Run train and validate in a loop, as subprocesses.
We run as subprocesses because it gives us some isolation.
"""
import os
import subprocess
import argh
from utils import timer
BUCKET_NAME = os.environ['BUCKET_NAME']
def loop(working_dir='estimator_working_dir'):
"""Run train and validate as subprocesses."""
flags = [
working_dir,
'--bucket_name', BUCKET_NAME,
]
while True:
print("==================================")
with timer("Train"):
train = subprocess.call(['python', 'rl_loop.py', 'train'] + flags)
if train != 0:
print("Skipping validation")
continue
with timer("validate"):
subprocess.call(['python', 'rl_loop.py', 'validate'] + flags)
if __name__ == '__main__':
argh.dispatch_command(loop)