def __init__(self, request_uri):
        self.request_uri = request_uri
Create a _KeyRangesIterator.
dataset/ETHPy150Open CollabQ/CollabQ/openid/yadis/discover.py/DiscoveryResult.__init__--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/src/mapreduce/datastore_range_iterators.py/RangeIteratorFactory.create_key_ranges_iterator