On Sun, Dec 21, 2008 at 11:02 PM, <chojrak11@gmail.com> wrote:

Hello,

I'm trying to implement custom exception that have to carry some useful info by means of instance members, to be used like:

try: // some code except MyException, data: // use data.errorcode, data.errorcategory, data.errorlevel, data.errormessage and some others

The question is - how to implement the instance variables with PyErr_NewException?

Using PyErr_NewException is fine. You must understand that an exception is a class, and thus PyErr_NewException creates one for you and returns it.

Or should I use another approach? And how to set values of these variables at the moment of exception?

Just like you would do with a class that has __dict__, set some attributes to what you want. That is, use PyObject_SetAttrString or something more appropriated for you.

Should I use PyErr_SetString or PyErr_SetObject?

In both cases you are just specifying the error message, so you use what is better for you to provide the error message.

I'm lost.

Thanks in advance. Kind regards.

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