Source code for stdlibx.cancel._errors

 1from __future__ import annotations
 2
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[docs]
 4class CancellationTokenError(Exception):
 5    """Base class for all cancellation-related errors. Raised when a
 6    cancellation event affects the current operation. Serves as the common
 7    superclass for all token error types.
 8    """


 9
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[docs]
11class CancellationTokenCancelledError(CancellationTokenError):
12    """Raised when an operation is cancelled via a cancellation token. This
13    exception indicates that the token was explicitly cancelled.
14    """


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[docs]
17class CancellationTokenTimeoutError(CancellationTokenError):
18    """Raised when a token is cancelled due to a timeout. This exception
19    indicates that the token's cancellation was triggered by an internal
20    timeout mechanism (for example via :func:`stdlibx.cancel.with_timeout`).
21    """