| """asyncio exceptions.""" | |
| __all__ = ('CancelledError', 'InvalidStateError', 'TimeoutError', | |
| 'IncompleteReadError', 'LimitOverrunError', | |
| 'SendfileNotAvailableError') | |
| class CancelledError(BaseException): | |
| """The Future or Task was cancelled.""" | |
| class TimeoutError(Exception): | |
| """The operation exceeded the given deadline.""" | |
| class InvalidStateError(Exception): | |
| """The operation is not allowed in this state.""" | |
| class SendfileNotAvailableError(RuntimeError): | |
| """Sendfile syscall is not available. | |
| Raised if OS does not support sendfile syscall for given socket or | |
| file type. | |
| """ | |
| class IncompleteReadError(EOFError): | |
| """ | |
| Incomplete read error. Attributes: | |
| - partial: read bytes string before the end of stream was reached | |
| - expected: total number of expected bytes (or None if unknown) | |
| """ | |
| def __init__(self, partial, expected): | |
| r_expected = 'undefined' if expected is None else repr(expected) | |
| super().__init__(f'{len(partial)} bytes read on a total of ' | |
| f'{r_expected} expected bytes') | |
| self.partial = partial | |
| self.expected = expected | |
| def __reduce__(self): | |
| return type(self), (self.partial, self.expected) | |
| class LimitOverrunError(Exception): | |
| """Reached the buffer limit while looking for a separator. | |
| Attributes: | |
| - consumed: total number of to be consumed bytes. | |
| """ | |
| def __init__(self, message, consumed): | |
| super().__init__(message) | |
| self.consumed = consumed | |
| def __reduce__(self): | |
| return type(self), (self.args[0], self.consumed) | |