def GetMedia(self, uri, extra_headers=None):
    response_handle = self.request('GET', uri,
        headers=extra_headers)
    return gdata.MediaSource(response_handle, response_handle.getheader(
            'Content-Type'),
        response_handle.getheader('Content-Length'))
Returns a MediaSource containing media and its metadata from the given
dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/attic/PicasaSnap/gdata/service.py/GDataService.GetMedia