Short answer: no.
Long answer: this is possible with some ugly hacks using traceback, inspect and the like, but it’s generally probably not recommended for production code. For example see:
- http://groups.google.com/group/comp.lang.python/msg/237dc92f3629dd9a?pli=1
- http://aspn.activestate.com/ASPN/Mail/Message/python-Tutor/330294
Perhaps you can use a workaround to translate the value back to a name/representational string. If you post some more sample code and details about what you’re wanting this for maybe we can provide more in-depth assistance.