def setdefaultproxy(proxytype=None, addr=None, port=None, rdns=True, username=None, password=None):
    global _defaultproxy
    _defaultproxy = (proxytype, addr, port, rdns, username, password)
TODO: add docstring
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/httplib2/httplib2/socks.py/setdefaultproxy--crossover with--dataset/ETHPy150Open treasure-data/td-client-python/tdclient/bulk_import_model.py/BulkImport.upload_frozen