forked from LBRYCommunity/lbry-sdk
25 lines
635 B
Python
25 lines
635 B
Python
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_and_reset(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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Returns:
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a tuple (should_send, value)
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"""
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try:
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values = self.data.pop(metric)
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return True, op(values)
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except KeyError:
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return False, None
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