def args_to_request(cls, args):
     return request_from_args(
         args, ['thumb_size', 'file', 'fft_size', 'medium_width'])

 def args_to_request(cls, args):
     return request_from_args(
         args, ['medium_size', 'vp8_threads', 'vp8_quality',
                'vorbis_quality'])

 def args_to_request(cls, args):
     return request_from_args(
         args, ['thumb_size', 'file'])

 def args_to_request(cls, args):
     return request_from_args(
         args, ['create_spectrogram', 'quality', 'fft_size',
                'thumb_size', 'medium_width'])

 def args_to_request(cls, args):
     return request_from_args(args, ['file'])

 def args_to_request(cls, args):
     return request_from_args(args, ["size", "file"])

 def args_to_request(cls, args):
     return request_from_args(args, ["thumb_size", "file", "fft_size", "medium_width"])