Andrew K. Choi
91c7e04474
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82 lines
1.9 KiB
Python
82 lines
1.9 KiB
Python
# SPDX-License-Identifier: MIT OR Apache-2.0
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# This file is dual licensed under the terms of the Apache License, Version
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# 2.0, and the MIT License. See the LICENSE file in the root of this
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# repository for complete details.
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"""
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Extracted log level data used by both stdlib and native log level filters.
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"""
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from __future__ import annotations
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from typing import Any
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from .typing import EventDict
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# Adapted from the stdlib
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CRITICAL = 50
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FATAL = CRITICAL
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ERROR = 40
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WARNING = 30
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WARN = WARNING
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INFO = 20
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DEBUG = 10
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NOTSET = 0
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NAME_TO_LEVEL = {
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"critical": CRITICAL,
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"exception": ERROR,
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"error": ERROR,
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"warn": WARNING,
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"warning": WARNING,
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"info": INFO,
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"debug": DEBUG,
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"notset": NOTSET,
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}
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LEVEL_TO_NAME = {
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v: k
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for k, v in NAME_TO_LEVEL.items()
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if k not in ("warn", "exception", "notset")
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}
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# Keep around for backwards-compatability in case someone imported them.
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_LEVEL_TO_NAME = LEVEL_TO_NAME
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_NAME_TO_LEVEL = NAME_TO_LEVEL
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def map_method_name(method_name: str) -> str:
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# warn is just a deprecated alias in the stdlib.
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if method_name == "warn":
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return "warning"
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# Calling exception("") is the same as error("", exc_info=True)
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if method_name == "exception":
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return "error"
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return method_name
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def add_log_level(
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logger: Any, method_name: str, event_dict: EventDict
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) -> EventDict:
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"""
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Add the log level to the event dict under the ``level`` key.
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Since that's just the log method name, this processor works with non-stdlib
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logging as well. Therefore it's importable both from `structlog.processors`
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as well as from `structlog.stdlib`.
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.. versionadded:: 15.0.0
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.. versionchanged:: 20.2.0
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Importable from `structlog.processors` (additionally to
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`structlog.stdlib`).
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.. versionchanged:: 24.1.0
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Added mapping from "exception" to "error"
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"""
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event_dict["level"] = map_method_name(method_name)
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return event_dict
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