#!/usr/bin/env python
# Copyright 2014 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import json
import io
import optparse
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
from json_comment_eater import Nom
import version
'''Generate an extension manifest based on a template.'''
def getChromeVersion(version_file):
values = version.FetchValues([version_file])
return version.SubstTemplate('@MAJOR@.@MINOR@.@BUILD@.@PATCH@', values)
def processJinjaTemplate(input_file, output_file, context):
(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 = 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 = optparse.OptionParser(description=__doc__)
parser.usage = '%prog [options] <template_manifest_path>'
parser.add_option(
'-o',
'--output_manifest',
action='store',
metavar='OUTPUT_MANIFEST',
help='File to place generated manifest')
parser.add_option(
'--is_guest_manifest',
default='0',
action='store',
metavar='NUM',
help='Whether to generate a guest mode capable manifest')
parser.add_option(
'--is_manifest_v3',
default='0',
action='store',
metavar='NUM',
help='Whether to generate a manifest using manifest version 3')
parser.add_option(
'--is_js_compressed',
default='1',
action='store',
metavar='NUM',
help='Whether compressed JavaScript files are used')
parser.add_option(
'--set_version',
action='store',
metavar='SET_VERSION',
help='Set the extension version')
parser.add_option(
'--key', action='store', metavar='KEY', help='Set the extension key')
parser.add_option(
'--version_file',
action='store',
metavar='NAME',
help='File with version information')
options, args = parser.parse_args()
if len(args) != 1:
print >> sys.stderr, 'Expected exactly one argument'
sys.exit(1)
if options.output_manifest is None:
print >> sys.stderr, '--output_manifest option must be specified'
sys.exit(1)
if options.set_version is not None and options.version_file is not None:
print >> sys.stderr, (
'only one of --set_version and --version_file may ' + 'be specified')
if options.set_version is None and options.version_file is None:
print >> sys.stderr, (
'one of --set_version or --version_file option ' + 'must be specified')
sys.exit(1)
context = {k: v for k, v in parser.values.__dict__.items() if v is not None}
if options.version_file is not None:
context['set_version'] = getChromeVersion(options.version_file)
processJinjaTemplate(args[0], options.output_manifest, context)
if __name__ == '__main__':
main()