variable declaration

[Fredrik Lundh]

Peter Otten wrote:

>> executed. the compiler handles "global" and "from __future__", everything
>> else is done at runtime.
>
> and __debug__, too, it seems:

you left out the "python -O" line.

>>>> __debug__
> False
>>>> def f():
> ...     if __debug__:
> ...             global x
> ...     x = 42
> ...
>>>> f()
>>>> x
> Traceback (most recent call last):
>  File "<stdin>", line 1, in ?
> NameError: name 'x' is not defined

yup, but unlike the two others, that's a CPython -O implementation issue.
(I'd say bug, in this case).

neither standard CPython (without -O) nor Jython behave this way.

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