| # Copyright 2016 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 argparse |
| import os |
| import shutil |
| import sys |
| |
| |
| def detect_encoding(data, default_encoding='UTF-8'): |
| """Detects the encoding used by |data| from the Byte-Order-Mark if present. |
| |
| Args: |
| data: string whose encoding needs to be detected |
| default_encoding: encoding returned if no BOM is found. |
| |
| Returns: |
| The encoding determined from the BOM if present or |default_encoding| if |
| no BOM was found. |
| """ |
| if data.startswith('\xFE\xFF'): |
| return 'UTF-16BE' |
| |
| if data.startswith('\xFF\xFE'): |
| return 'UTF-16LE' |
| |
| if data.startswith('\xEF\xBB\xBF'): |
| return 'UTF-8' |
| |
| return default_encoding |
| |
| |
| def copy_strings_file(source, dest): |
| """Copies a .strings file from |source| to |dest| and convert it to UTF-16. |
| |
| Args: |
| source: string, path to the source file |
| dest: string, path to the destination file |
| """ |
| with open(source, 'rb') as source_file: |
| data = source_file.read() |
| |
| # Xcode's CpyCopyStringsFile / builtin-copyStrings seems to call |
| # CFPropertyListCreateFromXMLData() behind the scenes; at least it prints |
| # CFPropertyListCreateFromXMLData(): Old-style plist parser: missing |
| # semicolon in dictionary. |
| # on invalid files. Do the same kind of validation. |
| from CoreFoundation import CFDataCreate, CFPropertyListCreateFromXMLData |
| cfdata = CFDataCreate(None, data, len(data)) |
| _, error = CFPropertyListCreateFromXMLData(None, cfdata, 0, None) |
| if error: |
| raise ValueError(error) |
| |
| encoding = detect_encoding(data) |
| with open(dest, 'wb') as dest_file: |
| dest_file.write(data.decode(encoding).encode('UTF-16')) |
| |
| |
| def copy_file(source, dest): |
| """Copies a file or directory from |source| to |dest|. |
| |
| Args: |
| source: string, path to the source file |
| dest: string, path to the destination file |
| """ |
| if os.path.isdir(source): |
| if os.path.exists(dest): |
| shutil.rmtree(dest) |
| # Copy tree. |
| # TODO(thakis): This copies file attributes like mtime, while the |
| # single-file branch below doesn't. This should probably be changed to |
| # be consistent with the single-file branch. |
| shutil.copytree(source, dest) |
| return |
| |
| if os.path.exists(dest): |
| os.unlink(dest) |
| |
| _, extension = os.path.splitext(source) |
| if extension == '.strings': |
| copy_strings_file(source, dest) |
| return |
| |
| shutil.copy(source, dest) |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser( |
| description='copy source to destination for the creation of a bundle') |
| parser.add_argument('source', help='path to source file or directory') |
| parser.add_argument('dest', help='path to destination') |
| args = parser.parse_args() |
| |
| copy_file(args.source, args.dest) |
| |
| if __name__ == '__main__': |
| main() |