As well as passing exceptions raised by other functions back to the Python system, you can also quite easily raise exceptions directly using; void PyErr_SetString ...

As a quick review, Python exceptions are objects derived from the BaseException class, though user-defined exceptions should be derived from Exception. An exception ...

As the chain of functions could fail for a wide range of reasons the cause of the exception is signaled by passing an exception object which has properties that define the exception back up the ...