in mutornadomon/monitor.py [0:0]
def kv(self, stat, value):
"""Set a gauge to the given stat and value.
The monitor also keeps track of the max and min value seen between subsequent calls
to the .metrics property.
"""
self._GAUGES[stat] = value
if stat not in self._MAX_GAUGES or value > self._MAX_GAUGES[stat]:
self._MAX_GAUGES[stat] = value
if stat not in self._MIN_GAUGES or value < self._MIN_GAUGES[stat]:
self._MIN_GAUGES[stat] = value