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127 lines
4.6 KiB
Python
Executable File
127 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import optparse
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import os
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import shutil
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import stat
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import sys
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import tempfile
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from util import build_utils
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_RESOURCE_CLASSES = [
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"R.class",
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"R##*.class",
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"Manifest.class",
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"Manifest##*.class",
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]
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def Jar(class_files, classes_dir, jar_path, manifest_file=None,
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provider_configurations=None, additional_files=None):
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jar_path = os.path.abspath(jar_path)
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# The paths of the files in the jar will be the same as they are passed in to
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# the command. Because of this, the command should be run in
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# options.classes_dir so the .class file paths in the jar are correct.
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jar_cwd = classes_dir
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class_files_rel = [os.path.relpath(f, jar_cwd) for f in class_files]
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with tempfile.NamedTemporaryFile(suffix='.jar') as tmp_jar:
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jar_cmd = ['jar', 'cf0', tmp_jar.name]
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if manifest_file:
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jar_cmd[1] += 'm'
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jar_cmd.append(os.path.abspath(manifest_file))
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jar_cmd.extend(class_files_rel)
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for filepath, jar_filepath in additional_files or []:
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full_jar_filepath = os.path.join(jar_cwd, jar_filepath)
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jar_dir = os.path.dirname(full_jar_filepath)
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if not os.path.exists(jar_dir):
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os.makedirs(jar_dir)
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# Some of our JARs are mode 0440 because they exist in the source tree as
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# symlinks to JARs managed by CIPD. shutil.copyfile copies the contents,
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# not the permissions, so the resulting copy is writeable despite the
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# the source JAR not being so. (shutil.copy does copy the permissions and
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# as such doesn't work without changing the mode after.)
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shutil.copyfile(filepath, full_jar_filepath)
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jar_cmd.append(jar_filepath)
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if provider_configurations:
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service_dir = os.path.join(jar_cwd, 'META-INF', 'services')
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if not os.path.exists(service_dir):
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os.makedirs(service_dir)
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for config in provider_configurations:
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config_jar_path = os.path.join(service_dir, os.path.basename(config))
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shutil.copy(config, config_jar_path)
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jar_cmd.append(os.path.relpath(config_jar_path, jar_cwd))
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if not class_files_rel:
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empty_file = os.path.join(classes_dir, '.empty')
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build_utils.Touch(empty_file)
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jar_cmd.append(os.path.relpath(empty_file, jar_cwd))
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build_utils.CheckOutput(jar_cmd, cwd=jar_cwd)
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# Zeros out timestamps so that builds are hermetic.
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build_utils.MergeZips(jar_path, [tmp_jar.name])
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def JarDirectory(classes_dir, jar_path, manifest_file=None, predicate=None,
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provider_configurations=None, additional_files=None):
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all_files = build_utils.FindInDirectory(classes_dir, '*')
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if predicate:
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all_files = [f for f in all_files if predicate(f)]
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Jar(all_files, classes_dir, jar_path, manifest_file=manifest_file,
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provider_configurations=provider_configurations,
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additional_files=additional_files)
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def main():
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parser = optparse.OptionParser()
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parser.add_option('--classes-dir', help='Directory containing .class files.')
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parser.add_option('--input-jar', help='Jar to include .class files from')
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parser.add_option('--jar-path', help='Jar output path.')
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parser.add_option('--excluded-classes',
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help='GN list of .class file patterns to exclude from the jar.')
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parser.add_option('--strip-resource-classes-for',
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help='GN list of java package names exclude R.class files in.')
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parser.add_option('--stamp', help='Path to touch on success.')
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args = build_utils.ExpandFileArgs(sys.argv[1:])
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options, _ = parser.parse_args(args)
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# Current implementation supports just one or the other of these:
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assert not options.classes_dir or not options.input_jar
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excluded_classes = []
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if options.excluded_classes:
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excluded_classes = build_utils.ParseGnList(options.excluded_classes)
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if options.strip_resource_classes_for:
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packages = build_utils.ParseGnList(options.strip_resource_classes_for)
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excluded_classes.extend(p.replace('.', '/') + '/' + f
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for p in packages for f in _RESOURCE_CLASSES)
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predicate = None
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if excluded_classes:
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predicate = lambda f: not build_utils.MatchesGlob(f, excluded_classes)
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with build_utils.TempDir() as temp_dir:
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classes_dir = options.classes_dir
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if options.input_jar:
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build_utils.ExtractAll(options.input_jar, temp_dir)
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classes_dir = temp_dir
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JarDirectory(classes_dir, options.jar_path, predicate=predicate)
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if options.stamp:
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build_utils.Touch(options.stamp)
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if __name__ == '__main__':
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sys.exit(main())
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