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import logging
from loguru import logger
class InterceptHandler(logging.Handler): # pragma: no cover Hard to test in test environments
def emit(self, record: logging.LogRecord):
# Get corresponding Loguru level if it exists
try:
level = logger.level(record.levelname).name
except ValueError:
level = record.levelno
# Find caller from where originated the logged message
frame, depth = logging.currentframe(), 2
while frame.f_code.co_filename == logging.__file__:
frame = frame.f_back
depth += 1
logger.opt(depth=depth, exception=record.exc_info).log(
level, record.getMessage()
)
def init_logging():
"""
Replaces logging handlers with a handler for using the custom handler.
"""
# disable handlers for specific uvicorn loggers
# to redirect their output to the default uvicorn logger
# works with uvicorn==0.11.6
intercept_handler = InterceptHandler()
loggers = (
logging.getLogger(name)
for name in logging.root.manager.loggerDict
if name.startswith("uvicorn.")
)
for uvicorn_logger in loggers:
uvicorn_logger.handlers = [intercept_handler]
# change handler for default uvicorn logger
# logging.getLogger("uvicorn").handlers = [intercept_handler]
logging.getLogger("uvicorn").handlers = []
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