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from typing import Dict, NamedTuple, Optional, Union |
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class Timestamp: |
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"""A nanosecond-resolution timestamp.""" |
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def __init__(self, sec: float, nsec: float) -> None: |
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if nsec < 0 or nsec >= 1e9: |
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raise ValueError(f"Invalid value for nanoseconds in Timestamp: {nsec}") |
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if sec < 0: |
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nsec = -nsec |
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self.sec: int = int(sec) |
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self.nsec: int = int(nsec) |
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def __str__(self) -> str: |
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return f"{self.sec}.{self.nsec:09d}" |
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def __repr__(self) -> str: |
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return f"Timestamp({self.sec}, {self.nsec})" |
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def __float__(self) -> float: |
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return float(self.sec) + float(self.nsec) / 1e9 |
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def __eq__(self, other: object) -> bool: |
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return isinstance(other, Timestamp) and self.sec == other.sec and self.nsec == other.nsec |
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def __ne__(self, other: object) -> bool: |
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return not self == other |
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def __gt__(self, other: "Timestamp") -> bool: |
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return self.sec > other.sec or self.nsec > other.nsec |
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def __lt__(self, other: "Timestamp") -> bool: |
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return self.sec < other.sec or self.nsec < other.nsec |
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class Exemplar(NamedTuple): |
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labels: Dict[str, str] |
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value: float |
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timestamp: Optional[Union[float, Timestamp]] = None |
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class Sample(NamedTuple): |
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name: str |
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labels: Dict[str, str] |
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value: float |
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timestamp: Optional[Union[float, Timestamp]] = None |
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exemplar: Optional[Exemplar] = None |
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