+-- _DeadlockError +-- MemoryError +-- EOFError +-- GeneratorExit +-- KeyboardInterrupt +-- SystemExit 5、BaseException及子类 1)BaseException所有内建异常类的基类是BaseException。 2)SystemExit sys.exit()函数引发的异常,异常不捕获处理,就直接交给Python解释器,解释器退出。 import sys print('++++'...
logging.warning('warning message') 1. 2. 3. 4. 输出结果 C:\Users\Administrator\AppData\Local\Programs\Python\Python36\python.exe D:/pyworkpeace/tupian.py 'https://www.tianyancha.com/login' WARNING:root:warning message Process finished with exit code 0 1. 2. 3. 4. 可以看出默认情况下...
def __init__(self, message): self.message = message super().__init__(message) try: raise CustomError("发生了一个定制的错误!") except CustomError as e: print(e) # 输出:发生了一个定制的错误! class UserNotFoundException(CustomError): pass try: raise UserNotFoundException("指定用户未找到!
try: a = int(input("请输入 a 的值:")) print(20/a)except: print("发生异常!")else: print("执行 else 块中的代码") finally : print("执行 finally 块中的代码") try: #发生异常 print(20/0)finally : print("执行 finally 块中的代码") import ostry: os._exit(1)finally: print("执行...
23. selenium.common.exceptions.InvalidSessionIdException: Message: invalid session id 24. RecursionError: maximum recursion depth exceeded 25. ModuleNotFoundError: No module named 'distutils.util' 1. ModuleNotFoundError: No module named ‘pip’ ...
(error_num=error.errno, error_message=error.strerror)) sys.exit(1)# Write pidifself.create_pid: pid = os.getpid() logger.log('Writing PID: {pid} to {filename}'.format(pid=pid, filename=self.pid_file))try:withio.open(self.pid_file,'w')asf_pid: ...
while 1: try: n = int(input("enter a integer (0-exit): ")) print(n) if n == 0: break except: print("try again...") ''' enter a integer (0-exit): 5 5 enter a integer (0-exit): a try again... enter a integer (0-exit): 0 0 ''' 示例一。 用实例调用方法 calc(...
“ZeroDivisionError(‘integer division or modulo by zero’,)” 3、e.message 获得的信息同str(e) 4、采用traceback模块 需要导入traceback模块,此时获取的信息最全,与python命令行运行程序出现错误信息一致。使用traceback.print_exc()打印异常信息到标准错误,就像没有获取一样,或者使用traceback.format_exc()将...
Write some code and test Create a folder for the Python code mkdir HelloWorld make a python file named hello.py def talk(message): return "Talk " + message def main(): print(talk("Hello World")) if __name__ == "__main__": main() Test your program Do as you normally would. ...
(FLASH_HOME_PATH, '/', src_file_name) try: fileinfo = os.stat(fileName) file_size = int(fileinfo.st_size)/1024 return file_size except Exception as reason: print_ztp_log(f"Get file size failed. reason = {reason}", LOG_ERROR_TYPE) return file_size def get_file_size(file_pa...