#NEWLINE# def download_source_dists( self , arguments , use_wheels = False ) : #NEWLINE# #INDENT# '\n        Download missing source distributions.\n\n        :param arguments: The command line arguments to ``pip install ...`` (a\n                          list of strings).\n        :param use_wheels: Whether pip and pip-accel are allowed to use wheels_\n                           (:data:`False` by default for backwards compatibility\n                           with callers that use pip-accel as a Python API).\n        :raises: Any exceptions raised by pip.\n        ' #NEWLINE# download_timer = Timer ( ) #NEWLINE# logger . info ( 'Downloading missing distribution(s) ..' ) #NEWLINE# requirements = self . get_pip_requirement_set ( arguments , use_remote_index = True , use_wheels = use_wheels ) #NEWLINE# logger . info ( 'Finished downloading distribution(s) in %s.' , self ) #NEWLINE# return requirements