On Sun, 23 Apr 2006 22:12:01 GMT, [EMAIL PROTECTED] (Bengt Richter) wrote:
[...]
>(IMO the proper way to indicate the you don't have a tuple is to use None or
>some other sentinel,
>not abuse a perfectly legal tuple value).
>
> >>> dis.dis(compile('class X:pass','','exec'))
> 1 0 LOAD_CONST 0 ('X') <<--+-- ought to be
> LOAD_CONST 0 (None)
Oops, leave the 'X' of course, just replace the next line
> 3 BUILD_TUPLE 0 <<--'
> 6 LOAD_CONST 1 (<code object X at 02EE7EA0, file
> "", line 1>)
> 9 MAKE_FUNCTION 0
> 12 CALL_FUNCTION 0
> 15 BUILD_CLASS
> 16 STORE_NAME 0 (X)
> 19 LOAD_CONST 2 (None)
> 22 RETURN_VALUE
>
>vs code for class x(something):pass
>
> >>> dis.dis(compile('class X(object):pass','','exec'))
> 1 0 LOAD_CONST 0 ('X')
> 3 LOAD_NAME 0 (object)
> 6 BUILD_TUPLE 1
> 9 LOAD_CONST 1 (<code object X at 02EFB9A0, file
> "", line 1>)
> 12 MAKE_FUNCTION 0
> 15 CALL_FUNCTION 0
> 18 BUILD_CLASS
> 19 STORE_NAME 1 (X)
> 22 LOAD_CONST 2 (None)
> 25 RETURN_VALUE
>
Regards,
Bengt Richter
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