build/util.py

   1 #!/usr/bin/python
   2 #
   3 # ***** BEGIN LICENSE BLOCK *****
   4 # Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5 #
   6 # The contents of this file are subject to the Mozilla Public License Version
   7 # 1.1 (the "License"); you may not use this file except in compliance with
   8 # the License. You may obtain a copy of the License at
   9 # http://www.mozilla.org/MPL/
  10 #
  11 # Software distributed under the License is distributed on an "AS IS" basis,
  12 # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13 # for the specific language governing rights and limitations under the
  14 # License.
  15 #
  16 # The Original Code is mozilla.org code.
  17 #
  18 # The Initial Developer of the Original Code is
  19 # The Mozilla Foundation
  20 # Portions created by the Initial Developer are Copyright (C) 2008
  21 # the Initial Developer. All Rights Reserved.
  22 #
  23 # Contributor(s):
  24 #  Ted Mielczarek <ted.mielczarek@gmail.com>
  25 #
  26 # Alternatively, the contents of this file may be used under the terms of
  27 # either the GNU General Public License Version 2 or later (the "GPL"), or
  28 # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  29 # in which case the provisions of the GPL or the LGPL are applicable instead
  30 # of those above. If you wish to allow use of your version of this file only
  31 # under the terms of either the GPL or the LGPL, and not to allow others to
  32 # use your version of this file under the terms of the MPL, indicate your
  33 # decision by deleting the provisions above and replace them with the notice
  34 # and other provisions required by the GPL or the LGPL. If you do not delete
  35 # the provisions above, a recipient may use your version of this file under
  36 # the terms of any one of the MPL, the GPL or the LGPL.
  37 #
  38 # ***** END LICENSE BLOCK *****
  39
  40 try:
  41     from subprocess import check_call
  42 except ImportError:
  43     import subprocess
  44     def check_call(*popenargs, **kwargs):
  45         retcode = subprocess.call(*popenargs, **kwargs)
  46         if retcode:
  47             cmd = kwargs.get("args")
  48             if cmd is None:
  49                 cmd = popenargs[0]
  50                 raise Exception("Command '%s' returned non-zero exit status %i" % (cmd, retcode))