Test-suite fixes for python -classic

These are mostly workarounds for static class members not being supported for
old style classes, as documented in Python.html, "C++ classes".

Examples/test-suite/python/implicittest_runme.py

@@ -4,6 +4,9 @@ def check(a, b):
     if a != b:
         raise RuntimeError(str(a) + " does not equal " + str(b))
 
+def is_new_style_class(cls):
+  return hasattr(cls, "__class__")
+
 #### Class ####
 
 # No implicit conversion
@@ -39,13 +42,14 @@ check(2, A_int(1.0).get())
 check(3, A_int(B()).get())
 check(4, A_int("hello").get())
 
-check(1, A_int.sget(1))
-check(2, A_int.sget(1.0))
-check(3, A_int.sget(B()))
+A_int_static = A_int if is_new_style_class(A_int) else A_int(0)
+check(1, A_int_static.sget(1))
+check(2, A_int_static.sget(1.0))
+check(3, A_int_static.sget(B()))
 
 # explicit constructor:
 try:
-    check(4, A_int.sget("hello"))
+    check(4, A_int_static.sget("hello"))
     raise RuntimeError
 except TypeError:
     pass