forked from LBRYCommunity/lbry-sdk
18 lines
463 B
Python
18 lines
463 B
Python
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import collections
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class Track(object):
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"""Track and summarize observations of metrics."""
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def __init__(self):
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self.data = collections.defaultdict(list)
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def add_observation(self, metric, value):
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self.data[metric].append(value)
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def summarize(self, metric, op=sum):
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"""Apply `op` on the current values for `metric`.
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This operation also resets the metric.
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"""
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return op(self.data.pop(metric, []))
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