15 def print_subprocess_args(prefix, *args, **kwargs):  argument
22     if 'cwd' in kwargs:
23         print '%scd %s' % (prefix, kwargs['cwd'])
25     if 'cwd' in kwargs:
44     def check_call(self, *args, **kwargs):  argument
56             print_subprocess_args(self.prefix, *args, **kwargs)
59                 return subprocess.check_call(*args, stdout=devnull, **kwargs)
61             return subprocess.check_call(*args, **kwargs)
63     def call(self, *args, **kwargs):  argument
75             print_subprocess_args(self.prefix, *args, **kwargs)
78                 return subprocess.call(*args, stdout=devnull, **kwargs)
80             return subprocess.call(*args, **kwargs)
82     def check_output(self, *args, **kwargs):  argument
94             print_subprocess_args(self.prefix, *args, **kwargs)
95         return subprocess.check_output(*args, **kwargs)
97     def strip_output(self, *args, **kwargs):  argument
114             print_subprocess_args(self.prefix, *args, **kwargs)
115         return str(subprocess.check_output(*args, **kwargs)).strip()
117     def popen(self, *args, **kwargs):  argument
129             print_subprocess_args(self.prefix, *args, **kwargs)
130         return subprocess.Popen(*args, **kwargs)
204     def search_within_output(verbose, pattern, default, *args, **kwargs):  argument
220             print_subprocess_args('~~$ ', *args, **kwargs)
221         proc = subprocess.Popen(*args, stdout=subprocess.PIPE, **kwargs)