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93 lines
2.4 KiB
Python
93 lines
2.4 KiB
Python
"""本模块定义了 NoneBot 的日志记录 Logger。
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NoneBot 使用 [`loguru`][loguru] 来记录日志信息。
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自定义 logger 请参考 [自定义日志](https://v2.nonebot.dev/docs/tutorial/custom-logger)
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以及 [`loguru`][loguru] 文档。
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[loguru]: https://github.com/Delgan/loguru
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FrontMatter:
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sidebar_position: 7
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description: nonebot.log 模块
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"""
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import sys
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import logging
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from typing import TYPE_CHECKING
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import loguru
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if TYPE_CHECKING:
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# avoid sphinx autodoc resolve annotation failed
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# because loguru module do not have `Logger` class actually
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from loguru import Logger, Record
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# logger = logging.getLogger("nonebot")
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logger: "Logger" = loguru.logger
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"""NoneBot 日志记录器对象。
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默认信息:
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- 格式: `[%(asctime)s %(name)s] %(levelname)s: %(message)s`
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- 等级: `INFO` ，根据 `config.log_level` 配置改变
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- 输出: 输出至 stdout
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用法:
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```python
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from nonebot.log import logger
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```
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"""
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# default_handler = logging.StreamHandler(sys.stdout)
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# default_handler.setFormatter(
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# logging.Formatter("[%(asctime)s %(name)s] %(levelname)s: %(message)s"))
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# logger.addHandler(default_handler)
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class LoguruHandler(logging.Handler): # pragma: no cover
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"""logging 与 loguru 之间的桥梁，将 logging 的日志转发到 loguru。"""
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def emit(self, record: logging.LogRecord):
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try:
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level = logger.level(record.levelname).name
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except ValueError:
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level = record.levelno
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frame, depth = logging.currentframe(), 2
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while frame and frame.f_code.co_filename == logging.__file__:
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frame = frame.f_back
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depth += 1
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logger.opt(depth=depth, exception=record.exc_info).log(
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level, record.getMessage()
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)
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def default_filter(record: "Record"):
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"""默认的日志过滤器，根据 `config.log_level` 配置改变日志等级。"""
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log_level = record["extra"].get("nonebot_log_level", "INFO")
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levelno = logger.level(log_level).no if isinstance(log_level, str) else log_level
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return record["level"].no >= levelno
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default_format: str = (
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"<g>{time:MM-DD HH:mm:ss}</g> "
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"[<lvl>{level}</lvl>] "
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"<c><u>{name}</u></c> | "
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# "<c>{function}:{line}</c>| "
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"{message}"
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)
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"""默认日志格式"""
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logger.remove()
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logger_id = logger.add(
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sys.stdout,
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level=0,
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diagnose=False,
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filter=default_filter,
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format=default_format,
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)
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__autodoc__ = {"logger_id": False}
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