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Python标准异常总结
| AssertionError |
断言语句(assert)失败 |
| AttributeError |
尝试访问未知的对象属性 |
| EOFError |
用户输入文件末尾标志EOF(Ctrl+d) |
| FloatingPointError |
浮点计算错误 |
| GeneratorExit |
generator.close()方法被调用的时候 |
| ImportError |
导入模块失败的时候 |
| IndexError |
索引超出序列的范围 |
| KeyError |
字典中查找一个不存在的关键字 |
| KeyboardInterrupt |
用户输入中断键(Ctrl+c) |
| MemoryError |
内存溢出(可通过删除对象释放内存) |
| NameError |
尝试访问一个不存在的变量 |
| NotImplementedError |
尚未实现的方法 |
| OSError |
操作系统产生的异常(例如打开一个不存在的文件) |
| OverflowError |
数值运算超出最大限制 |
| ReferenceError |
弱引用(weak reference)试图访问一个已经被垃圾回收机制回收了的对象 |
| RuntimeError |
一般的运行时错误 |
| StopIteration |
迭代器没有更多的值 |
| SyntaxError |
Python的语法错误 |
| IndentationError |
缩进错误 |
| TabError |
Tab和空格混合使用 |
| SystemError |
Python编译器系统错误 |
| SystemExit |
Python编译器进程被关闭 |
| TypeError |
不同类型间的无效操作 |
| UnboundLocalError |
访问一个未初始化的本地变量(NameError的子类) |
| UnicodeError |
Unicode相关的错误(ValueError的子类) |
| UnicodeEncodeError |
Unicode编码时的错误(UnicodeError的子类) |
| UnicodeDecodeError |
Unicode解码时的错误(UnicodeError的子类) |
| UnicodeTranslateError |
Unicode转换时的错误(UnicodeError的子类) |
| ValueError |
传入无效的参数 |
| ZeroDivisionError |
除数为零 |
以下是 Python 内置异常类的层次结构: BaseException +-- SystemExit +-- KeyboardInterrupt +-- GeneratorExit +-- Exception +-- StopIteration +-- ArithmeticError | +-- FloatingPointError | +-- OverflowError | +-- ZeroDivisionError +-- AssertionError +-- AttributeError +-- BufferError +-- EOFError +-- ImportError +-- LookupError | +-- IndexError | +-- KeyError +-- MemoryError +-- NameError | +-- UnboundLocalError +-- OSError | +-- BlockingIOError | +-- ChildProcessError | +-- ConnectionError | | +-- BrokenPipeError | | +-- ConnectionAbortedError | | +-- ConnectionRefusedError | | +-- ConnectionResetError | +-- FileExistsError | +-- FileNotFoundError | +-- InterruptedError | +-- IsADirectoryError | +-- NotADirectoryError | +-- PermissionError | +-- ProcessLookupError | +-- TimeoutError +-- ReferenceError +-- RuntimeError | +-- NotImplementedError +-- SyntaxError | +-- IndentationError | +-- TabError +-- SystemError +-- TypeError +-- ValueError | +-- UnicodeError | +-- UnicodeDecodeError | +-- UnicodeEncodeError | +-- UnicodeTranslateError +-- Warning +-- DeprecationWarning +-- PendingDeprecationWarning +-- RuntimeWarning +-- SyntaxWarning +-- UserWarning +-- FutureWarning +-- ImportWarning +-- UnicodeWarning +-- BytesWarning +-- ResourceWarning |