client_python
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Summary

Summaries track the size and number of events.

from prometheus_client import Summary
s = Summary('request_latency_seconds', 'Description of summary')
s.observe(4.7)    # Observe 4.7 (seconds in this case)

There are utilities for timing code:

@s.time()
def f():
  pass

with s.time():
  pass

The Python client doesn’t store or expose quantile information at this time.