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| 1 # Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 import fnmatch | |
| 6 import json | |
| 7 import os | |
| 8 import pipes | |
| 9 import shlex | |
| 10 import shutil | |
| 11 import subprocess | |
| 12 import sys | |
| 13 import traceback | |
| 14 | |
| 15 | |
| 16 def MakeDirectory(dir_path): | |
| 17 try: | |
| 18 os.makedirs(dir_path) | |
| 19 except OSError: | |
| 20 pass | |
| 21 | |
| 22 | |
| 23 def DeleteDirectory(dir_path): | |
| 24 if os.path.exists(dir_path): | |
| 25 shutil.rmtree(dir_path) | |
| 26 | |
| 27 | |
| 28 def Touch(path): | |
| 29 MakeDirectory(os.path.dirname(path)) | |
| 30 with open(path, 'a'): | |
| 31 os.utime(path, None) | |
| 32 | |
| 33 | |
| 34 def FindInDirectory(directory, filter): | |
| 35 files = [] | |
| 36 for root, dirnames, filenames in os.walk(directory): | |
| 37 matched_files = fnmatch.filter(filenames, filter) | |
| 38 files.extend((os.path.join(root, f) for f in matched_files)) | |
| 39 return files | |
| 40 | |
| 41 | |
| 42 def FindInDirectories(directories, filter): | |
| 43 all_files = [] | |
| 44 for directory in directories: | |
| 45 all_files.extend(FindInDirectory(directory, filter)) | |
| 46 return all_files | |
| 47 | |
| 48 | |
| 49 def ParseGypList(gyp_string): | |
| 50 # The ninja generator doesn't support $ in strings, so use ## to | |
| 51 # represent $. | |
| 52 # TODO(cjhopman): Remove when | |
| 53 # https://code.google.com/p/gyp/issues/detail?id=327 | |
| 54 # is addressed. | |
| 55 gyp_string = gyp_string.replace('##', '$') | |
| 56 return shlex.split(gyp_string) | |
| 57 | |
| 58 | |
| 59 def CheckOptions(options, parser, required=[]): | |
| 60 for option_name in required: | |
| 61 if not getattr(options, option_name): | |
| 62 parser.error('--%s is required' % option_name.replace('_', '-')) | |
| 63 | |
| 64 | |
| 65 def ReadJson(path): | |
| 66 with open(path, 'r') as jsonfile: | |
| 67 return json.load(jsonfile) | |
| 68 | |
| 69 | |
| 70 # This can be used in most cases like subprocess.check_call. The output, | |
| 71 # particularly when the command fails, better highlights the command's failure. | |
| 72 # This call will directly exit on a failure in the subprocess so that no python | |
| 73 # stacktrace is printed after the output of the failed command. | |
| 74 def CheckCallDie(args, cwd=None): | |
| 75 if not cwd: | |
| 76 cwd = os.getcwd() | |
| 77 | |
| 78 child = subprocess.Popen(args, | |
| 79 stdout=subprocess.PIPE, stderr=subprocess.STDOUT, cwd=cwd) | |
| 80 | |
| 81 stdout, _ = child.communicate() | |
| 82 | |
| 83 if child.returncode: | |
| 84 stacktrace = traceback.extract_stack() | |
| 85 print >> sys.stderr, ''.join(traceback.format_list(stacktrace)) | |
| 86 # A user should be able to simply copy and paste the command that failed | |
| 87 # into their shell. | |
| 88 copyable_command = ' '.join(map(pipes.quote, args)) | |
| 89 copyable_command = ('( cd ' + os.path.abspath(cwd) + '; ' | |
| 90 + copyable_command + ' )') | |
| 91 print >> sys.stderr, 'Command failed:', copyable_command, '\n' | |
| 92 | |
| 93 if stdout: | |
| 94 print stdout, | |
| 95 | |
| 96 # Directly exit to avoid printing stacktrace. | |
| 97 sys.exit(child.returncode) | |
| 98 | |
| 99 else: | |
| 100 if stdout: | |
| 101 print stdout, | |
| 102 return stdout | |
| 103 | |
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Chromium Code Reviews
Issue 13473017:
CheckCallDie: add option to suppress successful output (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src