Sami Vaisanen schrieb: > Hello group, > > I'm writing a C++ based application that embeds the python engine. Now I > have a problem regarding exception/error information. Is there a way to > get the exception message and possibly the traceback into a string for > example? I've been eyeballing the PyErr_ module and it seems fairly > limited. In other words PyErr_Print() calls the right functions for > getting the exception information but unfortunately it is hardwired to > print this data directly into sys.stderr, and for an embedded application > this is completely inappropriate. > > I have seen solutions that propose writing a custom Python class with > write method and using that to grab the output from sys.stderr and then > saving the data for example into a variable for later access, but unless > Im mistaken this solution (not only that it is extremely ugly) is not > thread safe. Even if a thread in my application is holding GIL, the lock > can be released by extensions/the interpreter and thus opens up a race > condition regarding that grabber object.
You should call 'import traceback; traceback.format_exc()' from your C code; it returns a string (a 'PyObject *' that contains a string). Thomas -- http://mail.python.org/mailman/listinfo/python-list
