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ranker.py
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ranker.py
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"""
This class stores the rankings of the lowest minimums.
"""
class Ranker:
def __init__(self, numToTrack):
self.best = {}
self.numToTrack = numToTrack
self.benchmark = float('inf')
def update(self, item, score):
if score <= self.benchmark:
# add this one to the ranking
self.best[score] = item
if len(self.best) > self.numToTrack:
# we need to replace one of the rankings
self.best.pop(self.benchmark)
self.benchmark = max(self.best.keys())
elif len(self.best) == self.numToTrack:
# this only happens once when we need to
# to set a benchmark
self.benchmark = max(self.best.keys())
def getRankings(self):
return self.best.copy()