用户可以继承 Exception 来实现自定义的异常,我们看一些自定义异常的例子: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 class Error(Exception): """Base class for exceptions in this module.""" pass class InputError(Error): """Exception raised for errors in the input. Attributes: expression ...
class Error(Exception): """Base class for exceptions in this module.""" pass class InputError(Error): """Exception raised for errors in the input. Attributes: expression -- input expression in which the error occurred message -- explanation of the error """ def __init__(self, expression...
# 异常通常应该直接或间接地从 Exception 类派生 # 大多数异常都定义为名称以“Error”结尾,类似于标准异常的命名 class InputError(Error): """Exception raised for errors in the input. Attributes: expression -- input expression in which the error occurred message -- explanation of the error ""...
from requests.exceptionsimportHTTPErrorforurlin[https://api.github.com,https://api.github.com/invalid]:try:response=requests.get(url)# If the response was successful,no Exception will be raised response.raise_for_status()except HTTPErrorashttp_err:print(fHTTPerror occurred:{http_err})# Python...
用户可以继承 Exception 来实现自定义的异常,我们看一些自定义异常的例子: class Error(Exception): """Base class for exceptions in this module.""" pass class InputError(Error): """Exception raised for errors in the input. Attributes: expression -- input expression in which the error occurred me...
classError(Exception): """Base class for exceptions in this module.""" pass classInputError(Error): """Exception raised for errors in the input. Attributes: expression -- input expression in which the error occurred message -- explanation of the error ...
class Error(Exception): """Base class for exceptions in this module.""" pass class InputError(Error): """Exception raised for errors in the input. Attributes: expression -- input expression in which the error occurred message -- explanation of the error ...
Managing Attributes in Your ClassesWhen you define a class in an object-oriented programming language, you’ll probably end up with some instance and class attributes. In other words, you’ll end up with variables that are accessible through the instance, class, or even both, depending on the...
一种通常的做法是为这个包建立一个基础异常类,43#然后基于这个基础类为不同的错误情况创建不同的子类444546classError(Exception):47"""Base class for exceptions in this module."""48pass495051classInputError(Error):52"""Exception raised for errors in the input.5354Attributes:55expression -- input ...
/usr/bin/pythonimportxml.saxclassCountryHandler(xml.sax.ContentHandler):def__init__(self): self.CurrentData =""self.rank =""self.year =""self.gdppc =""self.neighborname =""self.neighbordirection =""# 元素开始事件处理defstartElement(self, tag, attributes):...