| #!/usr/bin/env python |
| |
| # Copyright 2025 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| '''Generate an extension manifest based on a template.''' |
| import argparse |
| import io |
| import json |
| import os |
| import sys |
| |
| src_dir_path = os.path.normpath( |
| os.path.join(os.path.abspath(__file__), *[os.path.pardir] * 6)) |
| |
| jinja2_path = os.path.normpath( |
| os.path.join(src_dir_path, 'third_party')) |
| nom_path = os.path.normpath( |
| os.path.join(src_dir_path, 'tools/json_comment_eater')) |
| version_py_path = os.path.normpath( |
| os.path.join(src_dir_path, 'build/util')) |
| sys.path.insert(0, jinja2_path) |
| sys.path.insert(0, nom_path) |
| sys.path.insert(0, version_py_path) |
| import jinja2 |
| import json_comment_eater |
| import version |
| |
| |
| def process_jinja_template(input_file, output_file, context): |
| """ Processes a jinja2 template. |
| |
| Uses Jinja2 to convert a template into an output file. |
| |
| Args: |
| input_file: path to template file as string. |
| output_file: path to output file as string. |
| context: variables available in the template as dict. |
| """ |
| (template_path, template_name) = os.path.split(input_file) |
| env = jinja2.Environment( |
| loader=jinja2.FileSystemLoader(template_path), trim_blocks=True) |
| template = env.get_template(template_name) |
| rendered = template.render(context) |
| rendered_without_comments = json_comment_eater.Nom(rendered) |
| # Simply for validation. |
| json.loads(rendered_without_comments) |
| with io.open(output_file, 'w', encoding='utf-8') as manifest_file: |
| manifest_file.write(rendered_without_comments) |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument( |
| '-o', |
| '--output_manifest', |
| help='File to place generated manifest') |
| parser.add_argument( |
| '--is_manifest_v3', |
| default='0', |
| help='Whether to generate a manifest using manifest version 3') |
| parser.add_argument('input_file') |
| args = parser.parse_args() |
| |
| if args.output_manifest is None: |
| print('--output_manifest option must be specified', file=sys.stderr) |
| sys.exit(1) |
| context = {'is_manifest_v3': args.is_manifest_v3} |
| process_jinja_template(args.input_file, args.output_manifest, context) |
| |
| |
| if __name__ == '__main__': |
| main() |
