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Use auto_attribs/native type hints for attrs classes. (#11692)

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Patrick Cloke 2022-01-13 08:49:28 -05:00 • committed by GitHub
parent b92a2ff797
commit 10a88ba91c
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40 changed files with 300 additions and 307 deletions
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20
synapse/metrics/__init__.py
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@ -76,19 +76,17 @@ class RegistryProxy:
yield metric
@attr.s(slots=True, hash=True)
@attr.s(slots=True, hash=True, auto_attribs=True)
class LaterGauge:
name = attr.ib(type=str)
desc = attr.ib(type=str)
labels = attr.ib(hash=False, type=Optional[Iterable[str]])
name: str
desc: str
labels: Optional[Iterable[str]] = attr.ib(hash=False)
# callback: should either return a value (if there are no labels for this metric),
# or dict mapping from a label tuple to a value
caller = attr.ib(
type=Callable[
[], Union[Mapping[Tuple[str, ...], Union[int, float]], Union[int, float]]
]
)
caller: Callable[
[], Union[Mapping[Tuple[str, ...], Union[int, float]], Union[int, float]]
]
def collect(self) -> Iterable[Metric]:
@ -157,7 +155,9 @@ class InFlightGauge(Generic[MetricsEntry]):
# Create a class which have the sub_metrics values as attributes, which
# default to 0 on initialization. Used to pass to registered callbacks.
self._metrics_class: Type[MetricsEntry] = attr.make_class(
"_MetricsEntry", attrs={x: attr.ib(0) for x in sub_metrics}, slots=True
"_MetricsEntry",
attrs={x: attr.ib(default=0) for x in sub_metrics},
slots=True,
)
# Counts number of in flight blocks for a given set of label values