First version

pyproject.toml

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+[project]
+name = "simple-logger-handler"
+version = "0.1.0"
+description = "Simple reusable logger setup."
+authors = [{ name = "Florian Gänsejunge" }]
+dependencies = ["python-json-logger"]
+
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"

simple_logger_handler/__init__.py

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+from .logger_handler import setup_logger
+
+__all__ = ["setup_logger"]

simple_logger_handler/logger_handler.py

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+import os
+import logging
+from pythonjsonlogger import jsonlogger
+
+LOG_LEVEL = os.getenv("LOG_LEVEL", "INFO").upper()
+if LOG_LEVEL not in {"ERROR", "DEBUG", "INFO", "WARNING", "CRITICAL"}:
+	LOG_LEVEL = "INFO"
+
+def setup_logger(name: str) -> logging.Logger:
+	logger = logging.getLogger(name)
+	if not logger.handlers:
+		handler = logging.StreamHandler()
+		formatter = jsonlogger.JsonFormatter(
+			"%(asctime)s %(name)s %(levelname)s %(message)s"
+		)
+		handler.setFormatter(formatter)
+		logger.addHandler(handler)
+	logger.setLevel(getattr(logging, LOG_LEVEL))
+	logger.debug(f"Logger {name} initialized with level {LOG_LEVEL}")
+	return logger