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# Copyright 2016 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 typing
from pip._vendor.tenacity import _utils
if typing.TYPE_CHECKING:
import logging
from pip._vendor.tenacity import RetryCallState
def before_sleep_nothing(retry_state: "RetryCallState") -> None:
"""Before call strategy that does nothing."""
def before_sleep_log(
logger: "logging.Logger",
log_level: int,
exc_info: bool = False,
) -> typing.Callable[["RetryCallState"], None]:
"""Before call strategy that logs to some logger the attempt."""
def log_it(retry_state: "RetryCallState") -> None:
if retry_state.outcome.failed:
ex = retry_state.outcome.exception()
verb, value = "raised", f"{ex.__class__.__name__}: {ex}"
if exc_info:
local_exc_info = retry_state.outcome.exception()
else:
local_exc_info = False
else:
verb, value = "returned", retry_state.outcome.result()
local_exc_info = False # exc_info does not apply when no exception
logger.log(
log_level,
f"Retrying {_utils.get_callback_name(retry_state.fn)} "
f"in {retry_state.next_action.sleep} seconds as it {verb} {value}.",
exc_info=local_exc_info,
)
return log_it
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