Errors – exceptions and error handling

class uv.error.StatusCodes

Status codes enumeration. Status codes are instances of this class and — beside SUCCESS — vary across platforms. Status codes other than SUCCESS are linked with a corresponding exception.

SUCCESS = None

Success — no error occoured.

Type:uv.StatusCodes

E2BIG = None

Argument list too long.

Type:uv.StatusCodes

EACCES = None

Permission denied.

Type:uv.StatusCodes

EADDRINUSE = None

Address already in use.

Type:uv.StatusCodes

EADDRNOTAVAIL = None

Address not available.

Type:uv.StatusCodes

EAFNOSUPPORT = None

Address family not supported.

Type:uv.StatusCodes

EAGAIN = None

Resource temporarily unavailable.

Type:uv.StatusCodes

EAI_ADDRFAMILY = None

Address family not supported.

Type:uv.StatusCodes

EAI_AGAIN = None

Temporary failure.

Type:uv.StatusCodes

EAI_BADFLAGS = None

Bad address flags value.

Type:uv.StatusCodes

EAI_BADHINTS = None

Invalid value for hints.

Type:uv.StatusCodes

EAI_CANCELED = None

Request canceled.

Type:uv.StatusCodes

EAI_FAIL = None

Permanent failure.

Type:uv.StatusCodes

EAI_FAMILY = None

Address family not supported.

Type:uv.StatusCodes

EAI_MEMORY = None

Out of memory.

Type:uv.StatusCodes

EAI_NODATA = None

No address.

Type:uv.StatusCodes

EAI_NONAME = None

Unknown node or service.

Type:uv.StatusCodes

EAI_OVERFLOW = None

Argument buffer overflow.

Type:uv.StatusCodes

EAI_PROTOCOL = None

Resolved protocol is unknown.

Type:uv.StatusCodes

EAI_SERVICE = None

Service not available for socket type.

Type:uv.StatusCodes

EAI_SOCKTYPE = None

Socket type not supported.

Type:uv.StatusCodes

EALREADY = None

Connection already in progress.

Type:uv.StatusCodes

EBADF = None

Bad file descriptor.

Type:uv.StatusCodes

EBUSY = None

Resource busy or locked.

Type:uv.StatusCodes

ECANCELED = None

Operation canceled.

Type:uv.StatusCodes

ECHARSET = None

Invalid Unicode character.

Type:uv.StatusCodes

ECONNABORTED = None

Software caused connection abort.

Type:uv.StatusCodes

ECONNREFUSED = None

Connection refused.

Type:uv.StatusCodes

ECONNRESET = None

Connection reset by peer.

Type:uv.StatusCodes

EDESTADDRREQ = None

Destination address required.

Type:uv.StatusCodes

EEXIST = None

File already exists.

Type:uv.StatusCodes

EFAULT = None

Bad address in system call argument.

Type:uv.StatusCodes

EFBIG = None

File too large.

Type:uv.StatusCodes

EHOSTUNREACH = None

Host is unreachable.

Type:uv.StatusCodes

EINTR = None

Interrupted system call.

Type:uv.StatusCodes

EINVAL = None

Invalid argument.

Type:uv.StatusCodes

EIO = None

IO error.

Type:uv.StatusCodes

EISCONN = None

Socket is already connected.

Type:uv.StatusCodes

EISDIR = None

Illegal operation on a directory.

Type:uv.StatusCodes

ELOOP = None

Too many symbolic links encountered.

Type:uv.StatusCodes

EMFILE = None

Too many open files.

Type:uv.StatusCodes

EMSGSIZE = None

Message too long.

Type:uv.StatusCodes

ENAMETOOLONG = None

Name too long.

Type:uv.StatusCodes

ENETDOWN = None

Network is down.

Type:uv.StatusCodes

ENETUNREACH = None

Network is unreachable.

Type:uv.StatusCodes

ENFILE = None

File table overflow.

Type:uv.StatusCodes

ENOBUFS = None

No buffer space available.

Type:uv.StatusCodes

ENODEV = None

No such device.

Type:uv.StatusCodes

ENOENT = None

No such file or directory.

Type:uv.StatusCodes

ENOMEM = None

Not enough memory.

Type:uv.StatusCodes

ENONET = None

Machine is not on the network.

Type:uv.StatusCodes

ENOPROTOOPT = None

Protocol not available.

Type:uv.StatusCodes

ENOSPC = None

No space left on device.

Type:uv.StatusCodes

ENOSYS = None

Function not implemented.

Type:uv.StatusCodes

ENOTCONN = None

Socket is not connected.

Type:uv.StatusCodes

ENOTDIR = None

Not a directory.

Type:uv.StatusCodes

ENOTEMPTY = None

Directory not empty.

Type:uv.StatusCodes

ENOTSOCK = None

Socket operation on non-socket.

Type:uv.StatusCodes

ENOTSUP = None

Operation not supported on socket.

Type:uv.StatusCodes

EPERM = None

Operation not permitted.

Type:uv.StatusCodes

EPIPE = None

Broken pipe.

Type:uv.StatusCodes

EPROTO = None

Protocol error.

Type:uv.StatusCodes

EPROTONOSUPPORT = None

Protocol not supported.

Type:uv.StatusCodes

EPROTOTYPE = None

Protocol wrong type for socket.

Type:uv.StatusCodes

ERANGE = None

Result too large.

Type:uv.StatusCodes

EROFS = None

Read-only file system.

Type:uv.StatusCodes

ESHUTDOWN = None

Cannot send after transport endpoint shutdown.

Type:uv.StatusCodes

ESPIPE = None

Invalid seek.

Type:uv.StatusCodes

ESRCH = None

No such process.

Type:uv.StatusCodes

ETIMEDOUT = None

Connection timed out.

Type:uv.StatusCodes

ETXTBSY = None

Text file is busy.

Type:uv.StatusCodes

EXDEV = None

Cross-device link not permitted.

Type:uv.StatusCodes

UNKNOWN = None

Unknown error.

Type:uv.StatusCodes

EOF = None

End of file.

Type:uv.StatusCodes

ENXIO = None

No such device or address.

Type:uv.StatusCodes

EMLINK = None

Too many links.

Type:uv.StatusCodes

EHOSTDOWN = None

Host is down.

Type:uv.StatusCodes

exception

Corresponding exception (subclass of uv.error.UVError).

Readonly:True Return type:Subclass[uv.error.UVError]

name

Human readable error name.

Readonly:True Return type:unicode

message

Human readable error message.

Readonly:True Return type:unicode

classmethod get(code)

Look up the given status code und return the corresponding instance of uv.StatusCodes or the original integer if there is no such status code.

Parameters:code (uv.StatusCodes | int | None) – potential status code Returns:status code instance or original status code integer Return type:uv.StatusCodes | int

exception uv.error.UVError(code=None, message='')

Base class of all uv-related exceptions.

code = None

Error-Code

Readonly:True Type:uv.StatusCodes | int | None

name = None

Error-Name

Readonly:True Type:unicode

message = None

Error-Message

Readonly:True Type:unicode

exception uv.error.ArgumentError(code=None, message='')

Invalid arguments.

exception uv.error.TemporaryUnavailableError(code=None, message='')

Resource temporary unavailable.

exception uv.error.CanceledError(code=None, message='')

Request canceled.

exception uv.error.PermanentError(code=None, message='')

Permanent failure.

exception uv.error.PermissionError(code=None, message='')

Permission denied.

exception uv.error.BadFileDescriptorError(code=None, message='')

Bad file descriptor.

exception uv.error.ResourceBusyError(code=None, message='')

Resource busy or locked.

exception uv.error.CharsetError(code=None, message='')

Invalid unicode character.

exception uv.error.FileExistsError(code=None, message='')

File already exists.

exception uv.error.FileTooLargeError(code=None, message='')

File too large.

exception uv.error.InterruptedError(code=None, message='')

Interrupted system call.

exception uv.error.IOError(code=None, message='')

Generic IO related error.

exception uv.error.IsConnectedError(code=None, message='')

Socket is already connected.

exception uv.error.IsADirectoryError(code=None, message='')

Illegal operation on a directory.

exception uv.error.NotADirectoryError(code=None, message='')

Not a directory.

exception uv.error.NotEmptyError(code=None, message='')

Directory is not empty.

exception uv.error.MassageTooLongError(code=None, message='')

Message too long.

exception uv.error.NameTooLongError(code=None, message='')

Name too long.

exception uv.error.BufferSpaceError(code=None, message='')

No buffer space available.

exception uv.error.NoSpaceError(code=None, message='')

No space left on the device.

exception uv.error.NotImplementedError(code=None, message='')

Function not implemented.

exception uv.error.NotConnectedError(code=None, message='')

Socket is not connected.

exception uv.error.HostUnreachableError(code=None, message='')

Host is unreachable.

exception uv.error.ResultTooLargeError(code=None, message='')

Result too large.

exception uv.error.SeekError(code=None, message='')

Invalid seek.

exception uv.error.ProcessLookupError(code=None, message='')

No such progress.

exception uv.error.TimeoutError(code=None, message='')

Operation timed out.

exception uv.error.CrossDeviceError(code=None, message='')

Cross device link not permitted.

exception uv.error.EOFError(code=None, message='')

End of file error.

exception uv.error.UnsupportedOperation(code=None, message='')

Base class of all unsupported operation related errors.

exception uv.error.ClosedStructureError

Invalid operation on closed structure.

exception uv.error.ClosedHandleError

Invalid operation on closed handle.

exception uv.error.ClosedLoopError

Invalid operation on closed loop.

exception uv.error.NotSocketError(code=None, message='')

Socket operation on non-socket.

exception uv.error.NotSupportedError(code=None, message='')

Operation not supported on socket.

exception uv.error.ProtocolError(code=None, message='')

Protocol error.

exception uv.error.ProtocolNoOptionError(code=None, message='')

Protocol option unavailable.

exception uv.error.ProtocolNotSupportedError(code=None, message='')

Protocol not supported.

exception uv.error.ProtocolTypeError(code=None, message='')

Protocol wrong type for socket.

exception uv.error.AddressError(code=None, message='')

Base class of all address related errors.

exception uv.error.AddressUnavailableError(code=None, message='')

Address not available.

exception uv.error.AddressInUseError(code=None, message='')

Address already in use.

exception uv.error.AddressFamilyError(code=None, message='')

Address family not supported.

exception uv.error.AddressFlagsError(code=None, message='')

Bad address flags value.

exception uv.error.AddressHintsError(code=None, message='')

Bad address hints value.

exception uv.error.AddressDataError(code=None, message='')

No address given.

exception uv.error.AddressNameError(code=None, message='')

Unknown node or service.

exception uv.error.AddressProtocolError(code=None, message='')

Resolved protocol is unknown.

exception uv.error.AddressServiceError(code=None, message='')

Service not available for socket type.

exception uv.error.AddressSocketTypeError(code=None, message='')

Socket type not supported.

exception uv.error.DestinationAddressError(code=None, message='')

Destination address required.

exception uv.error.ConnectionError(code=None, message='')

Base class of all connection related errors.

exception uv.error.BrokenPipeError(code=None, message='')

Broken pipe.

exception uv.error.ConnectionAbortedError(code=None, message='')

Software caused connection abort.

exception uv.error.ConnectionRefusedError(code=None, message='')

Connection refused.

exception uv.error.ConnectionResetError(code=None, message='')

Connection reset by peer.

exception uv.error.ConnectionInProgressError(code=None, message='')

Connection already in progress.

exception uv.error.NotFoundError(code=None, message='')

Base class of all not found related errors.

exception uv.error.DeviceNotFoundError(code=None, message='')

No such device or address.

exception uv.error.FileNotFoundError(code=None, message='')

No such file or directory.

exception uv.error.NetworkError(code=None, message='')

Base class of all network related errors.

exception uv.error.NetworkDownError(code=None, message='')

Network is down.

exception uv.error.NetworkUnreachableError(code=None, message='')

Network is unreachable.

exception uv.error.NoNetworkError(code=None, message='')

Machine is not on the network.

exception uv.error.SystemFailureError(code=None, message='')

Base class of all system related errors.

exception uv.error.MemoryError(code=None, message='')

Not enough memory.

exception uv.error.TooManyLinksError(code=None, message='')

Too many links encountered.

exception uv.error.TooManySymbolicLinksError(code=None, message='')

Too many symbolic links encountered.

exception uv.error.TooManyOpenFilesError(code=None, message='')

Too many open files.

exception uv.error.FileTableOverflowError(code=None, message='')

File table overflow.