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Diffstat (limited to 'scripts/readme-gen/readme_gen.py')
-rw-r--r-- | scripts/readme-gen/readme_gen.py | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/scripts/readme-gen/readme_gen.py b/scripts/readme-gen/readme_gen.py new file mode 100644 index 0000000..d309d6e --- /dev/null +++ b/scripts/readme-gen/readme_gen.py @@ -0,0 +1,66 @@ +#!/usr/bin/env python + +# Copyright 2016 Google Inc +# +# 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. + +"""Generates READMEs using configuration defined in yaml.""" + +import argparse +import io +import os +import subprocess + +import jinja2 +import yaml + + +jinja_env = jinja2.Environment( + trim_blocks=True, + loader=jinja2.FileSystemLoader( + os.path.abspath(os.path.join(os.path.dirname(__file__), 'templates')))) + +README_TMPL = jinja_env.get_template('README.tmpl.rst') + + +def get_help(file): + return subprocess.check_output(['python', file, '--help']).decode() + + +def main(): + parser = argparse.ArgumentParser() + parser.add_argument('source') + parser.add_argument('--destination', default='README.rst') + + args = parser.parse_args() + + source = os.path.abspath(args.source) + root = os.path.dirname(source) + destination = os.path.join(root, args.destination) + + jinja_env.globals['get_help'] = get_help + + with io.open(source, 'r') as f: + config = yaml.load(f) + + # This allows get_help to execute in the right directory. + os.chdir(root) + + output = README_TMPL.render(config) + + with io.open(destination, 'w') as f: + f.write(output) + + +if __name__ == '__main__': + main() |