def key_in_range(self, key):
"""
Checks if a key is within the range covered by this bucket. Returns
a boolean to indicate if a certain key should be placed within this
bucket.
"""
if isinstance(key, str):
key = hex_to_long(key)
return self.range_min <= key < self.range_max
def _bucket_index(self, key):
"""
Returns the index of the bucket responsible for the specified key
string.
"""
if isinstance(key, str):
key = hex_to_long(key)
# Bound check for key too small.
if key < 0:
raise ValueError('Key out of range')
for i, bucket in enumerate(self._buckets):
if bucket.key_in_range(key):
return i
# Key was too big given the key space.
raise ValueError('Key out of range.')