# 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 subprocess

import argh

from utils import timer

def loop(working_dir=None):

"""Run train and validate as subprocesses."""

while True:

print("==================================")

with timer("Train"):

train = subprocess.call(

("python rl_loop.py train --working-dir=%s" % working_dir).split())

if train != 0:

print("Skipping validation")

continue

with timer("validate"):

subprocess.call("python rl_loop.py validate", shell=True)

if __name__ == '__main__':

argh.dispatch_command(loop)