Fredrik Lundh wrote: > Steve Holden wrote: > >> It was unfortunate that so many people chose to use that for >> compatibility, when if they'd used the same code that the win32all >> extensions did they could have retained backward compatibility even >> across a change to constants: >> >> try: >> True >> except AttributeError: >> True, False = (1==1), (1!=1) > > that doesn't work, though: > > $ python2.1 test.py > Traceback (most recent call last): > File "test.py", line 2, in ? > True > NameError: name 'True' is not defined
Fixing the exception type doesn't help if the change is implemented like the constancy of None: >>> try: ... None ... except NameError: ... None = object() ... SyntaxError: assignment to None Another workaround seems viable: >>> globals()["None"] = "Evil Nun" >>> None >>> Peter -- http://mail.python.org/mailman/listinfo/python-list
