42 def mkdir_p(directory):  argument
46     if directory == "":
51         os.makedirs(directory)
53         if e.errno == errno.EEXIST and os.path.isdir(directory):
59 def command_output(cmd, directory):  argument
67                          cwd=directory,
72         raise RuntimeError('Failed to run %s in %s' % (cmd, directory))
76 def deduce_software_version(directory):  argument
88     changes_file = os.path.join(directory, 'CHANGES')
97 def describe(directory):  argument
109         return command_output(['git', 'describe'], directory).rstrip().decode()
113                 ['git', 'rev-parse', 'HEAD'], directory).rstrip().decode()