traceback.print_exception(etype, value, tb[, limit[, file]]) 跟print_tb相比多了两个参数etype和value,分别是exception type和exception value,加上tb(traceback object),正好是sys.exc_info()返回的三个值 另外,与print_tb相比,打印信息多了开头的"Traceback (most...)"信息以及最后一行的异常类型和va...
if self._donot_raise__exception: self.logger.error('\n'.join(traceback.format_tb(exc_tb)[:self._verbose]) + exc_str_color) return self._donot_raise__exception # __exit__方法必须retuen True才会不重新抛出错误 if __name__ == '__main__': def f1(): 1 + '2' def f2(): f1...
此篇用上下文管理,用一个with就能记录错误了,不需要写成函数。 importtraceback#pip install multiprocessing_log_managerfrommultiprocessing_log_managerimportLogManagerclassExceptionContextManager():"""用上下文管理器捕获异常,可对代码片段进行错误捕捉,比装饰器更细腻"""def__init__(self, logger_name='ExceptionCont...
traceback.print_exception(etype, value, tb[, limit[, file]]) 跟print_tb相比多了两个参数etype和value,分别是exception type和exception value,加上tb(traceback object),正好是sys.exc_info()返回的三个值 另外,与print_tb相比,打印信息多了开头的"Traceback (most...)"信息以及最后一行的异常类型和va...
appropriate format, it prints the line where the syntax error occurred with a caret on the next line indicating the approximate position of the error. """ 跟print_tb相比多了两个参数etype和value,分别是exception type和exception value,加上tb(traceback object),正好是sys.exc_info()返回的三个值...
filename="example.log",format='%(asctime)s-%(levelname)s-%(message)s')#记录日志logging.debug('Debugging information')logging.info('Informational message')logging.warning('Warning:config file%snot found','server.conf')logging.error('Error occurred')logging.critical('Critical error -- shutting ...
#excepthook.pyimportsys,tracebackfromdatetimeimportdatetimefError=open("except_error.log",'a')defUserExceptHook(tp,val,tb):traceList=traceback.format_tb(tb)html=repr(tp)+"\n"html+=(repr(val)+"\n")forlineintraceList:html+=(line+"\n")print(html,file=sys.stderr)print(datetime.now(),fi...
ERROR:root:exceptionTraceback(most recent call last):File"test.py",line12,in<module>a==bNameError:name'a'is not defined 所以,在 log.exception()可以简单定义一些关键词来帮助定位问题所在。 3.1 logger - basicConfig 常规存储 来源:python logging模块打印log到指定文件 ...
sys.exc_info和traceback object Python程序的traceback信息均来源于一个叫做traceback object的对象,而这个traceback object通常是通过函数sys.exc_info()来获取的,先来看一个例子: importsysdeffunc1():raiseNameError("--func1 exception--")defmain():try:func1()exceptExceptionase:exc_type,exc_value,exc...
NameError: name 'spam' is not defined >>> '2' + 2 # int 不能与 str 相加,触发异常 Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: can only concatenate str (not "int") to str 异常以不同的类型出现,这些类型都作为信息的一部分打印出来: 例子中的...