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Update type annotations for compatiblity with prometheus_client 0.14 (#12389)

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Principally, `prometheus_client.REGISTRY.register` now requires its argument to
extend `prometheus_client.Collector`.

Additionally, `Gauge.set` is now annotated so that passing `Optional[int]`
causes an error.
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Richard van der Hoff 2022-04-06 13:59:04 +01:00 • committed by GitHub
parent 793d03e2c5
commit ae01a7edd3
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8 changed files with 67 additions and 18 deletions
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synapse/metrics/background_process_metrics.py
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@ -46,6 +46,7 @@ from synapse.logging.opentracing import (
noop_context_manager,
start_active_span,
)
from synapse.metrics._types import Collector
if TYPE_CHECKING:
import resource
@ -127,7 +128,7 @@ _background_processes_active_since_last_scrape: "Set[_BackgroundProcess]" = set(
_bg_metrics_lock = threading.Lock()
class _Collector:
class _Collector(Collector):
"""A custom metrics collector for the background process metrics.
Ensures that all of the metrics are up-to-date with any in-flight processes