On Aug 17, 1:09 pm, Matthew Fitzgibbons <[EMAIL PROTECTED]> wrote:
> Kurien Mathew wrote:
> > Hello,
>
> > Any suggestions on a good python equivalent for the following C code:
>
> > while (loopCondition)
> > {
> > if (condition1)
> > goto next;
> > if (condition2)
> > goto next;
> > if (condition3)
> > goto next;
> > stmt1;
> > stmt2;
> > next:
> > stmt3;
> > stmt4;
> > }
>
> > Thanks
> > Kurien
> > --
> >http://mail.python.org/mailman/listinfo/python-list
>
> I would not be too happy if I saw C code like that in my repository.
> This is equivalent:
>
> while (loopCondition) {
> if (!(condition1 || condition2 || condition3)) {
> stmt1;
> stmt2;
> }
> stmt3;
> stmt4;
>
> }
>
> In Python:
>
> while (loopCondition):
> if not (condition1 or condition2 or condition3):
> stmt1
> stmt2
> stmt3
> stmt4
>
> If stmt3 and stmt4 are error cleanup code, I would use try/finally.
>
> while loopCondition:
> try:
> if condition1:
> raise Error1()
> if condition2:
> raise Error2()
> if condition3:
> raise Error3()
> stmt1
> stmt2
> finally:
> stmt3
> stmt4
>
> This will also bail out of the loop on and exception and the exception
> will get to the next level. If you don't want that to happen, put an
> appropriate except block before the finally.
>
> -Matt- Hide quoted text -
>
> - Show quoted text -
Close, but there is no reason for the conditions to raise anything,
they can just use the continue statement:
i = 20
while i > 0:
try:
if i % 2:
continue
if i % 3:
continue
print i, "is even and a multiple of 3"
finally:
i -= 1
Prints:
18 is even and a multiple of 3
12 is even and a multiple of 3
6 is even and a multiple of 3
I think this is closest to the OP's stated requirements.
-- Paul
--
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