我正在尝试在Python 3.x中创建一个日志,将其写入控制台。以下是我的代码:
我在代码中还有一些打印日志的地方,但是如果“here”后面的行被删除,就不会输出到标准输出。可能的问题是什么?
import logging
import sys
class Temp:
def __init__(self, is_verbose=False):
# configuring log
if (is_verbose):
self.log_level=logging.DEBUG
else:
self.log_level=logging.INFO
log_format = logging.Formatter('[%(asctime)s] [%(levelname)s] - %(message)s')
logging.basicConfig(level=self.log_level, format=log_format)
self.log = logging.getLogger(__name__)
# writing to stdout
handler = logging.StreamHandler(sys.stdout)
handler.setLevel(self.log_level)
handler.setFormatter(log_format)
self.log.addHandler(handler)
# here
self.log.debug("test")
if __name__ == "__main__":
t = Temp(True)
如果输入“here”后面的行,Python会引发错误:
[2019-01-29 15:54:20,093] [DEBUG] - test
--- Logging error ---
Traceback (most recent call last):
File "C:\Programok\Python 36\lib\logging\__init__.py", line 993, in emit
msg = self.format(record)
File "C:\Programok\Python 36\lib\logging\__init__.py", line 839, in format
return fmt.format(record)
File "C:\Programok\Python 36\lib\logging\__init__.py", line 577, in format
if self.usesTime():
File "C:\Programok\Python 36\lib\logging\__init__.py", line 545, in usesTime
return self._style.usesTime()
File "C:\Programok\Python 36\lib\logging\__init__.py", line 388, in usesTime
return self._fmt.find(self.asctime_search) >= 0
AttributeError: 'Formatter' object has no attribute 'find'
...
我在代码中还有一些打印日志的地方,但是如果“here”后面的行被删除,就不会输出到标准输出。可能的问题是什么?