Python 异常 查看BaseException的继承关系

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异常 查看BaseException的继承关系

BaseException  # 所有异常的基类

BaseException

# 查看直接父类
BaseException.__bases__

(object,)

BaseException.__subclasses__()


[Exception, GeneratorExit, SystemExit, KeyboardInterrupt]

# Exception 异常
# GeneratorExit 生成器异常
# SystemExit python解释器退出
# KeyboardInterrupt 键盘中断

Exception.__bases__, GeneratorExit.__bases__, SystemExit.__bases__, KeyboardInterrupt.__bases__

((BaseException,), (BaseException,), (BaseException,), (BaseException,))

GeneratorExit.__subclasses__(), SystemExit.__subclasses__(), KeyboardInterrupt.__subclasses__()

([], [], [])

Exception.__subclasses__()

[TypeError,
 StopAsyncIteration,
 StopIteration,
 ImportError,
 OSError,
 EOFError,
 RuntimeError,
 NameError,
 AttributeError,
 SyntaxError,
 LookupError,
 ValueError,
 AssertionError,
 ArithmeticError,
 SystemError,
 ReferenceError,
 MemoryError,
 BufferError,
 Warning,
 locale.Error,
 warnings._OptionError,
 runpy._Error,
 re.error,
 sre_parse.Verbose,
 subprocess.SubprocessError,
 tokenize.TokenError,
 tokenize.StopTokenizing,
 copy.Error,
 zlib.error,
 _lzma.LZMAError,
 shutil.RegistryError,
 inspect.EndOfBlock,
 traitlets.traitlets.TraitError,
 argparse.ArgumentError,
 argparse.ArgumentTypeError,
 traitlets.config.loader.ConfigError,
 traitlets.config.configurable.ConfigurableError,
 traitlets.config.application.ApplicationError,
 pydoc.ErrorDuringImport,
 bdb.BdbQuit,
 pdb.Restart,
 pexpect.exceptions.ExceptionPexpect,
 termios.error,
 struct.error,
 ptyprocess.util.PtyProcessError,
 IPython.utils.process.FindCmdError,
 IPython.utils.path.HomeDirError,
 IPython.core.profiledir.ProfileDirError,
 IPython.core.error.IPythonCoreError,
 IPython.core.error.InputRejected,
 getopt.GetoptError,
 binascii.Incomplete,
 pygments.util.OptionError,
 pygments.filters.ErrorToken,
 pickle._Stop,
 _pickle.PickleError,
 IPython.core.prefilter.PrefilterError,
 IPython.core.alias.AliasError,
 sqlite3.Error,
 sqlite3.Warning,
 IPython.core.interactiveshell.SpaceInInput,
 concurrent.futures._base.Error,
 socket._GiveupOnSendfile,
 asyncio.queues.QueueEmpty,
 asyncio.queues.QueueFull,
 asyncio.streams.LimitOverrunError,
 xml.dom.DOMException,
 prompt_toolkit.validation.ValidationError,
 prompt_toolkit.buffer.EditReadOnlyBuffer,
 prompt_toolkit.buffer._Retry,
 prompt_toolkit.layout.layout.InvalidLayoutError,
 prompt_toolkit.renderer.HeightIsUnknownError,
 _queue.Empty,
 queue.Full,
 parso.parser.ParserSyntaxError,
 parso.parser.InternalParseError,
 parso.python.diff._PositionUpdatingFinished,
 jedi.inference.helpers.SimpleGetItemNotFound,
 jedi.inference.utils.UncaughtAttributeError,
 jedi.inference.arguments.ParamIssue,
 jedi.api.exceptions._JediError,
 jedi.api.helpers.OnErrorLeaf,
 jedi.api.environment.InvalidPythonEnvironment,
 email.errors.MessageError,
 uu.Error,
 http.client.HTTPException,
 IPython.core.magics.code.InteractivelyDefined,
 IPython.terminal.embed.KillEmbedded,
 ctypes.ArgumentError,
 zmq.error.ZMQBaseError,
 jupyter_client.localinterfaces.NoIPAddresses,
 jupyter_client.channels.InvalidPortNumber,
 jupyter_client.multikernelmanager.DuplicateKernelError,
 tornado.util.TimeoutError,
 _curses.error,
 tornado.concurrent.ReturnValueIgnoredError,
 tornado.gen.KeyReuseError,
 tornado.gen.UnknownKeyError,
 tornado.gen.LeakedCallbackError,
 tornado.gen.BadYieldError,
 tornado.gen.ReturnValueIgnoredError,
 tornado.gen.Return,
 tornado.queues.QueueEmpty,
 tornado.queues.QueueFull]

help

help(BaseException)

Help on class BaseException in module builtins:

class BaseException(object)
 |  Common base class for all exceptions
 |  
 |  Methods defined here:

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