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