penman.exceptions¶

exception penman.exceptions.PenmanError[source]¶: Base class for errors in the Penman package.

exception penman.exceptions.GraphError[source]¶

Raises on invalid graph structures or operations.

exception penman.exceptions.LayoutError[source]¶

Raised on invalid graph layouts.

exception penman.exceptions.DecodeError(message=None, filename=None, lineno=None, offset=None, text=None)[source]¶

Raised on PENMAN syntax errors.

exception penman.exceptions.SurfaceError[source]¶

Raised on invalid surface information.

exception penman.exceptions.ModelError[source]¶

Raised when a graph violates model constraints.