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94 lines
3.0 KiB
Python
94 lines
3.0 KiB
Python
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#!/usr/bin/env python
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# Copyright 2018 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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"""Merges .jar.info files into one for APKs."""
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import argparse
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import os
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import shutil
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import sys
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import tempfile
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import zipfile
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from util import build_utils
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from util import jar_info_utils
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def _FullJavaNameFromClassFilePath(path):
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# Input: base/android/java/src/org/chromium/Foo.class
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# Output: base.android.java.src.org.chromium.Foo
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if not path.endswith('.class'):
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return ''
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path = os.path.splitext(path)[0]
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parts = []
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while path:
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# Use split to be platform independent.
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head, tail = os.path.split(path)
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path = head
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parts.append(tail)
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parts.reverse() # Package comes first
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return '.'.join(parts)
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def _MergeInfoFiles(output, jar_paths):
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"""Merge several .jar.info files to generate an .apk.jar.info.
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Args:
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output: output file path.
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jar_paths: List of .jar file paths for the target apk.
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"""
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info_data = dict()
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for jar_path in jar_paths:
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# android_java_prebuilt adds jar files in the src directory (relative to
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# the output directory, usually ../../third_party/example.jar).
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# android_aar_prebuilt collects jar files in the aar file and uses the
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# java_prebuilt rule to generate gen/example/classes.jar files.
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# We scan these prebuilt jars to parse each class path for the FQN. This
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# allows us to later map these classes back to their respective src
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# directories.
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jar_info_path = jar_path + '.info'
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if os.path.exists(jar_info_path):
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info_data.update(jar_info_utils.ParseJarInfoFile(jar_path + '.info'))
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else:
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with zipfile.ZipFile(jar_path) as zip_info:
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for path in zip_info.namelist():
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fully_qualified_name = _FullJavaNameFromClassFilePath(path)
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if fully_qualified_name:
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info_data[fully_qualified_name] = jar_path
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jar_info_utils.WriteJarInfoFile(output, info_data)
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def main(args):
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args = build_utils.ExpandFileArgs(args)
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parser = argparse.ArgumentParser(description=__doc__)
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build_utils.AddDepfileOption(parser)
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parser.add_argument('--output', required=True,
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help='Output .apk.jar.info file')
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parser.add_argument('--apk-jar-file', required=True,
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help='Path to main .jar file for this APK.')
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parser.add_argument('--dep-jar-files', required=True,
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help='GN-list of dependent .jar file paths')
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options = parser.parse_args(args)
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options.dep_jar_files = build_utils.ParseGnList(options.dep_jar_files)
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jar_files = [ options.apk_jar_file ] + options.dep_jar_files
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def _OnStaleMd5():
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with tempfile.NamedTemporaryFile() as tmp_file:
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_MergeInfoFiles(tmp_file.name, jar_files)
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shutil.move(tmp_file.name, options.output)
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tmp_file.delete = False
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build_utils.CallAndWriteDepfileIfStale(
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_OnStaleMd5, options,
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input_paths=jar_files,
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output_paths=[options.output])
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if __name__ == '__main__':
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main(sys.argv[1:])
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