Hi,
I'm working on a python module written in C, and I'm trying to figure
out how to raise python
exceptions if a function fails. So far I've read
http://docs.python.org/ext/errors.html and
http://docs.python.org/api/exceptionHandling.html , but I've not fully
understood it.
I've managed to create the custom exception type using
PyErr_NewException(), and if I do
PyErr_SetString() the exception will get raised. Some questions:
1. PyErr_NewException() creates the exception _class_, not the instance
right ?
2. Is PyErr_SetString() the correct way to raise exceptions ?
3. Besides the error message I pass to PyErr_SetString(), I also want to
pass additional return
data together with the exception. But this should be attached to the
exception _instance_,
not the class, am I right ?
4. If I am supposed to attach it to the exception instance, how would I
do that ? I never have a
pointer to the exception instance, just the class.
--Jacob
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