# stdlib
import logging
import os
from typing import Any, Callable, NoReturn, TextIO, Union
# third party
from loguru import logger
LOG_FORMAT = "[{time}][{process.id}][{level}] {message}"
logger.remove()
DEFAULT_SINK = "catenets_{time}.log"
def remove() -> None:
logger.remove()
def add(
sink: Union[None, str, os.PathLike, TextIO, logging.Handler] = None,
level: str = "ERROR",
) -> None:
sink = DEFAULT_SINK if sink is None else sink
try:
logger.add(
sink=sink,
format=LOG_FORMAT,
enqueue=True,
colorize=False,
diagnose=True,
backtrace=True,
rotation="10 MB",
retention="1 day",
level=level,
)
except BaseException:
logger.add(
sink=sink,
format=LOG_FORMAT,
colorize=False,
diagnose=True,
backtrace=True,
level=level,
)
def traceback_and_raise(e: Any, verbose: bool = False) -> NoReturn:
try:
if verbose:
logger.opt(lazy=True).exception(e)
else:
logger.opt(lazy=True).critical(e)
except BaseException as ex:
logger.debug("failed to print exception", ex)
if not issubclass(type(e), Exception):
e = Exception(e)
raise e
def create_log_and_print_function(level: str) -> Callable:
def log_and_print(*args: Any, **kwargs: Any) -> None:
try:
method = getattr(logger.opt(lazy=True), level, None)
if method is not None:
method(*args, **kwargs)
else:
logger.debug(*args, **kwargs)
except BaseException as e:
msg = f"failed to log exception. {e}"
try:
logger.debug(msg)
except Exception as e:
print(f"{msg}. {e}")
return log_and_print
def traceback(*args: Any, **kwargs: Any) -> None:
return create_log_and_print_function(level="exception")(*args, **kwargs)
def critical(*args: Any, **kwargs: Any) -> None:
return create_log_and_print_function(level="critical")(*args, **kwargs)
def error(*args: Any, **kwargs: Any) -> None:
return create_log_and_print_function(level="error")(*args, **kwargs)
def warning(*args: Any, **kwargs: Any) -> None:
return create_log_and_print_function(level="warning")(*args, **kwargs)
def info(*args: Any, **kwargs: Any) -> None:
return create_log_and_print_function(level="info")(*args, **kwargs)
def debug(*args: Any, **kwargs: Any) -> None:
return create_log_and_print_function(level="debug")(*args, **kwargs)
def trace(*args: Any, **kwargs: Any) -> None:
return create_log_and_print_function(level="trace")(*args, **kwargs)