| #!/usr/bin/env python3.8 |
| # Copyright 2020 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| # |
| import argparse |
| import filecmp |
| import os |
| import shutil |
| import string |
| import sys |
| import tempfile |
| |
| from jinja2 import Environment, FileSystemLoader |
| |
| |
| def to_camel_case(snake_str): |
| components = snake_str.split('_') |
| return ''.join(x.title() for x in components[0:]) |
| |
| |
| def wrap_deps(dep): |
| return {'enum': to_camel_case(dep), 'lib': dep + '_args'} |
| |
| |
| def main(args_list=None): |
| parser = argparse.ArgumentParser(description='Generate FFX Command struct') |
| |
| parser.add_argument( |
| '--out', help='The output file to generate', required=True) |
| |
| parser.add_argument( |
| '--deps', |
| help='Comma-seperated libraries to generate code from', |
| required=True) |
| |
| parser.add_argument( |
| '--template', |
| help='The template file to use to generate code', |
| required=True) |
| |
| if args_list: |
| args = parser.parse_args(args_list) |
| else: |
| args = parser.parse_args() |
| |
| template_dir, template_name = os.path.split(args.template) |
| env = Environment( |
| loader=FileSystemLoader(template_dir), |
| trim_blocks=True, |
| lstrip_blocks=True) |
| template = env.get_template(template_name) |
| libraries = args.deps.split(',') |
| deps = map(wrap_deps, libraries) |
| temp_file = tempfile.NamedTemporaryFile(mode='w') |
| with open(temp_file.name, 'w') as file: |
| file.write(template.render(deps=deps)) |
| file.flush() |
| if (not os.path.isfile(args.out) or not |
| filecmp.cmp(temp_file.name, args.out, shallow=False)): |
| shutil.copyfile(temp_file.name, args.out) |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |
