43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
from collections import namedtuple
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class Timestamp(object):
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"""A nanosecond-resolution timestamp."""
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def __init__(self, sec, nsec):
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if nsec < 0 or nsec >= 1e9:
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raise ValueError("Invalid value for nanoseconds in Timestamp: {0}".format(nsec))
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if sec < 0:
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nsec = -nsec
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self.sec = int(sec)
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self.nsec = int(nsec)
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def __str__(self):
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return "{0}.{1:09d}".format(self.sec, self.nsec)
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def __repr__(self):
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return "Timestamp({0}, {1})".format(self.sec, self.nsec)
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def __float__(self):
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return float(self.sec) + float(self.nsec) / 1e9
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def __eq__(self, other):
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return type(self) == type(other) and self.sec == other.sec and self.nsec == other.nsec
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def __ne__(self, other):
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return not self == other
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def __gt__(self, other):
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return self.sec > other.sec or self.nsec > other.nsec
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# Timestamp and exemplar are optional.
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# Value can be an int or a float.
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# Timestamp can be a float containing a unixtime in seconds,
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# a Timestamp object, or None.
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# Exemplar can be an Exemplar object, or None.
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Sample = namedtuple('Sample', ['name', 'labels', 'value', 'timestamp', 'exemplar'])
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Sample.__new__.__defaults__ = (None, None)
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Exemplar = namedtuple('Exemplar', ['labels', 'value', 'timestamp'])
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Exemplar.__new__.__defaults__ = (None,)
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