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- from typing import Dict, NamedTuple, Optional, Sequence, Union
- class Timestamp:
- """A nanosecond-resolution timestamp."""
- def __init__(self, sec: float, nsec: float) -> None:
- if nsec < 0 or nsec >= 1e9:
- raise ValueError(f"Invalid value for nanoseconds in Timestamp: {nsec}")
- if sec < 0:
- nsec = -nsec
- self.sec: int = int(sec)
- self.nsec: int = int(nsec)
- def __str__(self) -> str:
- return f"{self.sec}.{self.nsec:09d}"
- def __repr__(self) -> str:
- return f"Timestamp({self.sec}, {self.nsec})"
- def __float__(self) -> float:
- return float(self.sec) + float(self.nsec) / 1e9
- def __eq__(self, other: object) -> bool:
- return isinstance(other, Timestamp) and self.sec == other.sec and self.nsec == other.nsec
- def __ne__(self, other: object) -> bool:
- return not self == other
- def __gt__(self, other: "Timestamp") -> bool:
- return self.nsec > other.nsec if self.sec == other.sec else self.sec > other.sec
- def __lt__(self, other: "Timestamp") -> bool:
- return self.nsec < other.nsec if self.sec == other.sec else self.sec < other.sec
- # BucketSpan is experimental and subject to change at any time.
- class BucketSpan(NamedTuple):
- offset: int
- length: int
- # 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.
- class Exemplar(NamedTuple):
- labels: Dict[str, str]
- value: float
- timestamp: Optional[Union[float, Timestamp]] = None
- # NativeHistogram is experimental and subject to change at any time.
- class NativeHistogram(NamedTuple):
- count_value: float
- sum_value: float
- schema: int
- zero_threshold: float
- zero_count: float
- pos_spans: Optional[Sequence[BucketSpan]] = None
- neg_spans: Optional[Sequence[BucketSpan]] = None
- pos_deltas: Optional[Sequence[int]] = None
- neg_deltas: Optional[Sequence[int]] = None
- nh_exemplars: Optional[Sequence[Exemplar]] = None
- class Sample(NamedTuple):
- name: str
- labels: Dict[str, str]
- value: float
- timestamp: Optional[Union[float, Timestamp]] = None
- exemplar: Optional[Exemplar] = None
- native_histogram: Optional[NativeHistogram] = None
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