[C++-sig] Custom Exception objects

John A Meinel john at arbash-meinel.com
Tue Nov 2 23:52:09 CET 2004

I was wondering how to handle custom exception objects using boost::python.

I know about doing this:

static void translateConfigError(ConfigError const &e) {
	PyErr_SetString(PyExc_RuntimeError, e.what());

However, as far as I know, this only lets you translate a C++ exception 
class into a standard Python exception class.

Since I have already wrapped ConfigError as a boost::python class, is it 
possible to do something more like:

static void translateConfigError(ConfigError const &e) {
	PyErr_SetString(my_python_exception, e.what());

where my_python_exception was somehow related to ConfigError?

It is nice that I can at least generate KeyError, or ValueError, 
SyntaxError, etc, but it would be nice if I could generate ConfigError.

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