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ae01a7edd3
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.
32 lines
1 KiB
Python
32 lines
1 KiB
Python
# Copyright 2022 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from abc import ABC, abstractmethod
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from typing import Iterable
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from prometheus_client import Metric
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try:
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from prometheus_client.registry import Collector
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except ImportError:
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# prometheus_client.Collector is new as of prometheus 0.14. We redefine it here
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# for compatibility with earlier versions.
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class _Collector(ABC):
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@abstractmethod
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def collect(self) -> Iterable[Metric]:
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pass
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Collector = _Collector # type: ignore
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