def _get_stats(self, options):
        raise NotImplementedError("abstract method - implement in subclass")
Returns the URL to the media content, if the entry is a media entry.
dataset/ETHPy150Open CGATOxford/cgat/scripts/chain2stats.py/ChainCounter._get_stats--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-build/python-libs/gdata/build/lib/gdata/data.py/GDEntry.find_media_link