[Python-Dev] Non-string keys in type dict

Thu Mar 8 02:45:07 CET 2012

> During the Language Summit 2011 (*), it was discussed that PyPy and
> Jython don't support non-string key in type dict. An issue was open to
> emit a warning on such dict, but the patch has not been commited yet.

It's the issue #11455. As written in the issue, there are two ways to
create such type:
class A(object):
 locals()[42] = "abc"
or
type("A", (object,), {42: "abc"})
Both look like an ugly hack.
Victor