build/copy_test_data_ios.py

   1 #!/usr/bin/env python
   2 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 """Copies test data files or directories into a given output directory."""
   7
   8 import optparse
   9 import os
  10 import shutil
  11 import sys
  12
  13 class WrongNumberOfArgumentsException(Exception):
  14   pass
  15
  16 def ListFilesForPath(path):
  17   """Returns a list of all the files under a given path."""
  18   output = []
  19   # Ignore dotfiles and dot directories.
  20   # TODO(rohitrao): This will fail to exclude cases where the initial argument
  21   # is a relative path that starts with a dot.
  22   if os.path.basename(path).startswith('.'):
  23     return output
  24
  25   # Files get returned without modification.
  26   if not os.path.isdir(path):
  27     output.append(path)
  28     return output
  29
  30   # Directories get recursively expanded.
  31   contents = os.listdir(path)
  32   for item in contents:
  33     full_path = os.path.join(path, item)
  34     output.extend(ListFilesForPath(full_path))
  35   return output
  36
  37 def CalcInputs(inputs):
  38   """Computes the full list of input files for a set of command-line arguments.
  39   """
  40   # |inputs| is a list of strings, each of which may contain muliple paths
  41   # separated by spaces.
  42   output = []
  43   for input in inputs:
  44     tokens = input.split()
  45     for token in tokens:
  46       output.extend(ListFilesForPath(token))
  47   return output
  48
  49 def CopyFiles(relative_filenames, output_basedir):
  50   """Copies files to the given output directory."""
  51   for file in relative_filenames:
  52     relative_dirname = os.path.dirname(file)
  53     output_dir = os.path.join(output_basedir, relative_dirname)
  54     output_filename = os.path.join(output_basedir, file)
  55
  56     # In cases where a directory has turned into a file or vice versa, delete it
  57     # before copying it below.
  58     if os.path.exists(output_dir) and not os.path.isdir(output_dir):
  59       os.remove(output_dir)
  60     if os.path.exists(output_filename) and os.path.isdir(output_filename):
  61       shutil.rmtree(output_filename)
  62
  63     if not os.path.exists(output_dir):
  64       os.makedirs(output_dir)
  65     shutil.copy(file, output_filename)
  66
  67 def DoMain(argv):
  68   parser = optparse.OptionParser()
  69   usage = 'Usage: %prog -o <output_dir> [--inputs] [--outputs] <input_files>'
  70   parser.set_usage(usage)
  71   parser.add_option('-o', dest='output_dir')
  72   parser.add_option('--inputs', action='store_true', dest='list_inputs')
  73   parser.add_option('--outputs', action='store_true', dest='list_outputs')
  74   options, arglist = parser.parse_args(argv)
  75
  76   if len(arglist) == 0:
  77     raise WrongNumberOfArgumentsException('<input_files> required.')
  78
  79   files_to_copy = CalcInputs(arglist)
  80   if options.list_inputs:
  81     return '\n'.join(files_to_copy)
  82
  83   if not options.output_dir:
  84     raise WrongNumberOfArgumentsException('-o required.')
  85
  86   if options.list_outputs:
  87     outputs = [os.path.join(options.output_dir, x) for x in files_to_copy]
  88     return '\n'.join(outputs)
  89
  90   CopyFiles(files_to_copy, options.output_dir)
  91   return
  92
  93 def main(argv):
  94   try:
  95     result = DoMain(argv[1:])
  96   except WrongNumberOfArgumentsException, e:
  97     print >>sys.stderr, e
  98     return 1
  99   if result:
 100     print result
 101   return 0
 102
 103 if __name__ == '__main__':
 104   sys.exit(main(sys.argv))