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#!/usr/bin/env python
# Copyright (c) 2012 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.
"""Copies test data files or directories into a given output directory."""
import optparse
import os
import shutil
import sys
class WrongNumberOfArgumentsException(Exception):
pass
def ListFilesForPath(path):
"""Returns a list of all the files under a given path."""
output = []
# Ignore dotfiles and dot directories.
# TODO(rohitrao): This will fail to exclude cases where the initial argument
# is a relative path that starts with a dot.
if os.path.basename(path).startswith('.'):
return output
# Files get returned without modification.
if not os.path.isdir(path):
output.append(path)
return output
# Directories get recursively expanded.
contents = os.listdir(path)
for item in contents:
full_path = os.path.join(path, item)
output.extend(ListFilesForPath(full_path))
return output
def CalcInputs(inputs):
"""Computes the full list of input files for a set of command-line arguments.
"""
# |inputs| is a list of strings, each of which may contain muliple paths
# separated by spaces.
output = []
for input in inputs:
tokens = input.split()
for token in tokens:
output.extend(ListFilesForPath(token))
return output
def CopyFiles(relative_filenames, output_basedir):
"""Copies files to the given output directory."""
for file in relative_filenames:
relative_dirname = os.path.dirname(file)
output_dir = os.path.join(output_basedir, relative_dirname)
output_filename = os.path.join(output_basedir, file)
# In cases where a directory has turned into a file or vice versa, delete it
# before copying it below.
if os.path.exists(output_dir) and not os.path.isdir(output_dir):
os.remove(output_dir)
if os.path.exists(output_filename) and os.path.isdir(output_filename):
shutil.rmtree(output_filename)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
shutil.copy(file, output_filename)
def DoMain(argv):
parser = optparse.OptionParser()
usage = 'Usage: %prog -o <output_dir> [--inputs] [--outputs] <input_files>'
parser.set_usage(usage)
parser.add_option('-o', dest='output_dir')
parser.add_option('--inputs', action='store_true', dest='list_inputs')
parser.add_option('--outputs', action='store_true', dest='list_outputs')
options, arglist = parser.parse_args(argv)
if len(arglist) == 0:
raise WrongNumberOfArgumentsException('<input_files> required.')
files_to_copy = CalcInputs(arglist)
if options.list_inputs:
return '\n'.join(files_to_copy)
if not options.output_dir:
raise WrongNumberOfArgumentsException('-o required.')
if options.list_outputs:
outputs = [os.path.join(options.output_dir, x) for x in files_to_copy]
return '\n'.join(outputs)
CopyFiles(files_to_copy, options.output_dir)
return
def main(argv):
try:
result = DoMain(argv[1:])
except WrongNumberOfArgumentsException, e:
print >>sys.stderr, e
return 1
if result:
print result
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv))
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