Exceptions¶

class qtrio.QTrioException[source]¶

Bases: Exception

Base exception for all QTrio exceptions.

class qtrio.NoOutcomesError[source]¶

Bases: qtrio._exceptions.QTrioException

Raised if you try to unwrap a qtrio.Outcomes which has no outcomes.

class qtrio.EventTypeRegistrationError[source]¶

Base class for various event type registration exceptions to inherit from.

class qtrio.EventTypeRegistrationFailedError[source]¶

Raised if the attempt to register a new event type fails.

class qtrio.RequestedEventTypeUnavailableError(requested_type, returned_type)[source]¶

Raised if the requested event type is unavailable.

class qtrio.EventTypeAlreadyRegisteredError[source]¶

Raised when a request is made to register an event type but a type has already been registered previously.

class qtrio.ReturnCodeError[source]¶

Bases: qtrio._exceptions.QTrioException

Wraps a QApplication return code as an exception.

class qtrio.InternalError[source]¶

Bases: qtrio._exceptions.QTrioException

Raised when an internal state is inconsistent.

class qtrio.UserCancelledError[source]¶

Bases: qtrio._exceptions.QTrioException

Raised when a user requested cancellation of an operation.

class qtrio.InvalidInputError[source]¶

Bases: qtrio._exceptions.QTrioException

Raised when invalid input is provided such as via a dialog.