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#!/usr/bin/env python
#
# Copyright 2013 The Chromium 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 optparse
import os
import shutil
import sys
import tempfile
from util import build_utils
_RESOURCE_CLASSES = [
"R.class",
"R##*.class",
"Manifest.class",
"Manifest##*.class",
]
def Jar(class_files, classes_dir, jar_path, manifest_file=None,
provider_configurations=None, additional_files=None):
jar_path = os.path.abspath(jar_path)
# The paths of the files in the jar will be the same as they are passed in to
# the command. Because of this, the command should be run in
# options.classes_dir so the .class file paths in the jar are correct.
jar_cwd = classes_dir
class_files_rel = [os.path.relpath(f, jar_cwd) for f in class_files]
with tempfile.NamedTemporaryFile(suffix='.jar') as tmp_jar:
jar_cmd = ['jar', 'cf0', tmp_jar.name]
if manifest_file:
jar_cmd[1] += 'm'
jar_cmd.append(os.path.abspath(manifest_file))
jar_cmd.extend(class_files_rel)
for filepath, jar_filepath in additional_files or []:
full_jar_filepath = os.path.join(jar_cwd, jar_filepath)
jar_dir = os.path.dirname(full_jar_filepath)
if not os.path.exists(jar_dir):
os.makedirs(jar_dir)
shutil.copy(filepath, full_jar_filepath)
jar_cmd.append(jar_filepath)
if provider_configurations:
service_dir = os.path.join(jar_cwd, 'META-INF', 'services')
if not os.path.exists(service_dir):
os.makedirs(service_dir)
for config in provider_configurations:
config_jar_path = os.path.join(service_dir, os.path.basename(config))
shutil.copy(config, config_jar_path)
jar_cmd.append(os.path.relpath(config_jar_path, jar_cwd))
if not class_files_rel:
empty_file = os.path.join(classes_dir, '.empty')
build_utils.Touch(empty_file)
jar_cmd.append(os.path.relpath(empty_file, jar_cwd))
build_utils.CheckOutput(jar_cmd, cwd=jar_cwd)
# Zeros out timestamps so that builds are hermetic.
build_utils.MergeZips(jar_path, [tmp_jar.name])
def JarDirectory(classes_dir, jar_path, manifest_file=None, predicate=None,
provider_configurations=None, additional_files=None):
class_files = build_utils.FindInDirectory(classes_dir, '*.class')
if predicate:
class_files = [f for f in class_files if predicate(f)]
Jar(class_files, classes_dir, jar_path, manifest_file=manifest_file,
provider_configurations=provider_configurations,
additional_files=additional_files)
def main():
parser = optparse.OptionParser()
parser.add_option('--classes-dir', help='Directory containing .class files.')
parser.add_option('--input-jar', help='Jar to include .class files from')
parser.add_option('--jar-path', help='Jar output path.')
parser.add_option('--excluded-classes',
help='GN list of .class file patterns to exclude from the jar.')
parser.add_option('--strip-resource-classes-for',
help='GN list of java package names exclude R.class files in.')
parser.add_option('--stamp', help='Path to touch on success.')
args = build_utils.ExpandFileArgs(sys.argv[1:])
options, _ = parser.parse_args(args)
# Current implementation supports just one or the other of these:
assert not options.classes_dir or not options.input_jar
excluded_classes = []
if options.excluded_classes:
excluded_classes = build_utils.ParseGnList(options.excluded_classes)
if options.strip_resource_classes_for:
packages = build_utils.ParseGnList(options.strip_resource_classes_for)
excluded_classes.extend(p.replace('.', '/') + '/' + f
for p in packages for f in _RESOURCE_CLASSES)
predicate = None
if excluded_classes:
predicate = lambda f: not build_utils.MatchesGlob(f, excluded_classes)
with build_utils.TempDir() as temp_dir:
classes_dir = options.classes_dir
if options.input_jar:
build_utils.ExtractAll(options.input_jar, temp_dir)
classes_dir = temp_dir
JarDirectory(classes_dir, options.jar_path, predicate=predicate)
if options.stamp:
build_utils.Touch(options.stamp)
if __name__ == '__main__':
sys.exit(main())
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