def set_store(store, key=_store_registry_key, app=None):
    app = app or webapp2.get_app()
    app.registry[key] = store
Downloads libiconv, returning the filename where the library was downloaded
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/webapp2-2.3/webapp2_extras/auth.py/set_store--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/lxml-3.3.6/buildlibxml.py/download_libiconv