7 months ago Paul Boddie Renamed the utf8string class to unicode, eliminating the unicode function. This means that the simple case of merely returning an object if it is already a Unicode object no longer occurs when using the unicode callable, but such behaviour might be better supported with more general customised instantiation functionality.
     1 class C:     2     def f(self, x, y, z):     3         return z     4      5 class D:     6     def f(self, a, b, c):     7         return c     8      9 def pqr(obj):    10     return obj.f(1, 2, r=3)     # no corresponding function    11     12 c = C()    13 d = D()    14     15 print pqr(c)                    # should fail