FreeDATA/tnc/log_handler.py

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import logging.config
import structlog
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# https://www.structlog.org/en/stable/standard-library.html
def setup_logging(filename):
"""
Args:
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filename:
Returns:
"""
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timestamper = structlog.processors.TimeStamper(fmt="%Y-%m-%d %H:%M:%S")
pre_chain = [
# Add the log level and a timestamp to the event_dict if the log entry
# is not from structlog.
structlog.stdlib.add_log_level,
timestamper,
]
logging.config.dictConfig(
{
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"version": 1,
"disable_existing_loggers": False,
"formatters": {
"plain": {
"()": structlog.stdlib.ProcessorFormatter,
"processor": structlog.dev.ConsoleRenderer(colors=False),
"foreign_pre_chain": pre_chain,
},
"colored": {
"()": structlog.stdlib.ProcessorFormatter,
"processor": structlog.dev.ConsoleRenderer(colors=True),
"foreign_pre_chain": pre_chain,
},
},
"handlers": {
"default": {
"level": "DEBUG",
"class": "logging.StreamHandler",
"formatter": "colored",
},
"file": {
"level": "DEBUG",
"class": "logging.handlers.WatchedFileHandler",
"filename": f"{filename}.log",
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"formatter": "plain",
},
},
"loggers": {
"": {
"handlers": ["default", "file"],
"level": "DEBUG",
"propagate": True,
},
},
}
)
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structlog.configure(
processors=[
structlog.stdlib.add_log_level,
structlog.stdlib.PositionalArgumentsFormatter(),
timestamper,
structlog.processors.StackInfoRenderer(),
structlog.processors.format_exc_info,
structlog.stdlib.ProcessorFormatter.wrap_for_formatter,
],
logger_factory=structlog.stdlib.LoggerFactory(),
wrapper_class=structlog.stdlib.BoundLogger,
cache_logger_on_first_use=True,
)