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python 参数可选的装饰器

python 参数可选的装饰器

作者: SkTj | 来源:发表于2019-12-04 11:06 被阅读0次

from functools import wraps, partial
import logging

def logged(func=None, *, level=logging.DEBUG, name=None, message=None):
if func is None:
return partial(logged, level=level, name=name, message=message)

logname = name if name else func.__module__
log = logging.getLogger(logname)
logmsg = message if message else func.__name__

@wraps(func)
def wrapper(*args, **kwargs):
    log.log(level, logmsg)
    return func(*args, **kwargs)

return wrapper

Example use

@logged
def add(x, y):
return x + y

@logged(level=logging.CRITICAL, name='example')
def spam():
print('Spam!')

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