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Direktori : /proc/thread-self/root/opt/alt/python39/lib/python3.9/site-packages/pip/_vendor/tenacity/ |
Current File : //proc/thread-self/root/opt/alt/python39/lib/python3.9/site-packages/pip/_vendor/tenacity/stop.py |
# Copyright 2016–2021 Julien Danjou # Copyright 2016 Joshua Harlow # Copyright 2013-2014 Ray Holder # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import abc import typing if typing.TYPE_CHECKING: import threading from pip._vendor.tenacity import RetryCallState class stop_base(abc.ABC): """Abstract base class for stop strategies.""" @abc.abstractmethod def __call__(self, retry_state: "RetryCallState") -> bool: pass def __and__(self, other: "stop_base") -> "stop_all": return stop_all(self, other) def __or__(self, other: "stop_base") -> "stop_any": return stop_any(self, other) class stop_any(stop_base): """Stop if any of the stop condition is valid.""" def __init__(self, *stops: stop_base) -> None: self.stops = stops def __call__(self, retry_state: "RetryCallState") -> bool: return any(x(retry_state) for x in self.stops) class stop_all(stop_base): """Stop if all the stop conditions are valid.""" def __init__(self, *stops: stop_base) -> None: self.stops = stops def __call__(self, retry_state: "RetryCallState") -> bool: return all(x(retry_state) for x in self.stops) class _stop_never(stop_base): """Never stop.""" def __call__(self, retry_state: "RetryCallState") -> bool: return False stop_never = _stop_never() class stop_when_event_set(stop_base): """Stop when the given event is set.""" def __init__(self, event: "threading.Event") -> None: self.event = event def __call__(self, retry_state: "RetryCallState") -> bool: return self.event.is_set() class stop_after_attempt(stop_base): """Stop when the previous attempt >= max_attempt.""" def __init__(self, max_attempt_number: int) -> None: self.max_attempt_number = max_attempt_number def __call__(self, retry_state: "RetryCallState") -> bool: return retry_state.attempt_number >= self.max_attempt_number class stop_after_delay(stop_base): """Stop when the time from the first attempt >= limit.""" def __init__(self, max_delay: float) -> None: self.max_delay = max_delay def __call__(self, retry_state: "RetryCallState") -> bool: return retry_state.seconds_since_start >= self.max_delay