异常 ¶

源代码： Lib/asyncio/exceptions.py

exception asyncio. TimeoutError ¶

The operation has exceeded the given deadline.

Important

This exception is different from the builtin TimeoutError 异常。

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.

3.8 版改变： CancelledError is now a subclass of BaseException .

exception asyncio. InvalidStateError ¶

Invalid internal state of Task or 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.

子类化的 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 .

expected ¶

The total number ( int ) of expected bytes.

partial ¶

A string of bytes read before the end of stream was reached.

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.

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