Christopher> What I would like to do is have a function that can check
Christopher> to see if the CO_FUTURE_DIVISION flag is set and if it is
Christopher> and the denominator is 1 then return the numerator, else
Christopher> return the rational.
Yeah, you can do this. It's just a little awkward.
% python
Python 2.2b1+ (#9, Oct 29 2001, 14:53:15)
[GCC 2.96 20000731 (Linux-Mandrake 8.0 2.96-0.48mdk)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from __future__ import division
>>> def f():
... pass
...
>>> f.func_code.co_flags
8195
>>>
% python
Python 2.2b1+ (#9, Oct 29 2001, 14:53:15)
[GCC 2.96 20000731 (Linux-Mandrake 8.0 2.96-0.48mdk)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> def f():
... pass
...
>>> f.func_code.co_flags
3
Note how the code object's co_flags field changed. I think you just need to
& it with 2<<12. During import you could have something like this:
def _junk():
pass
future_div = not not (_junk.func_code.co_flags & (2<<12))
del _junk
then test the value of future_div where you need it.
--
Skip Montanaro (skip@pobox.com)
http://www.mojam.com/
http://www.musi-cal.com/
P.S. I hope I guessed right about demangling your email address. If
so, I've just exposed it to all the little email harvesting gremlins.
So sorry... ;-)
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