def _GetDeveloperKey(self):
    if 'X-GData-Key' in self.additional_headers:
      return self.additional_headers['X-GData-Key'][4:]
    else:
      return None
Getter for Developer Key property.
dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/attic/PicasaSnap/gdata/youtube/service.py/YouTubeService._GetDeveloperKey