Exceptions¶
Source code: Lib/asyncio/exceptions.py
- exception asyncio.TimeoutError¶
- A deprecated alias of - TimeoutError, raised when the operation has exceeded the given deadline.- Changed in version 3.11: This class was made an alias of - TimeoutError.
- exception asyncio.CancelledError¶
- The operation has been cancelled. - This exception can be caught to perform custom operations when asyncio Tasks are cancelled. In almost all situations the exception must be re-raised. - Changed in version 3.8: - CancelledErroris now a subclass of- BaseExceptionrather than- Exception.
- exception asyncio.InvalidStateError¶
- Invalid internal state of - Taskor- Future.- Can be raised in situations like setting a result value for a Future object that already has a result value set. 
- exception asyncio.SendfileNotAvailableError¶
- The “sendfile” syscall is not available for the given socket or file type. - A subclass of - RuntimeError.
- exception asyncio.IncompleteReadError¶
- The requested read operation did not complete fully. - Raised by the asyncio stream APIs. - This exception is a subclass of - EOFError.
- exception asyncio.LimitOverrunError¶
- Reached the buffer size limit while looking for a separator. - Raised by the asyncio stream APIs. - consumed¶
- The total number of to be consumed bytes.