30 lines
887 B
Python
30 lines
887 B
Python
import logging as python_logging
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from typing import Any, MutableMapping, Tuple
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from .utils import get_worker_id
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class LoggerAdapter(python_logging.LoggerAdapter):
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"""
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Custom adapter for adding a prefix given in the constructor to every log
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statement.
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"""
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def __init__(self, prefix: str, logger: python_logging.Logger) -> None:
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super().__init__(logger, {})
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self.prefix = prefix
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def process(
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self, msg: str, kwargs: MutableMapping[str, Any]
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) -> Tuple[str, MutableMapping[str, Any]]:
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return f"[{self.prefix}] {msg}", kwargs
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def getLogger(name: str) -> LoggerAdapter:
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"""
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This method is for a drop-in replacement for the loggging module:
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Use `from openslides.utils import logging` instead of `import logging`
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"""
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logger = python_logging.getLogger(name)
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return LoggerAdapter(get_worker_id(), logger)
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