On Jan 27, 9:14 pm, Malcolm Tredinnick <malc...@pointy-stick.com>
wrote:
> This isn't anything to do with reverse(). It's a Python thing. The
> "args" argument has to be a sequence. A list or a tuple, for example.
Ah, I hadn't thought of that. Somewhere deep within the Django source,
something probably says "for arg in args". The REASON I didn't think
of that is because of what it says when it displays the exception:
"with arguments '('1', '2')' ". In order to print that, I thought
Django ran the function tuple() on args, and I couldn't figure out
why. I tried putting in args=['1', '2'], and the exception said "with
arguments '('1', '2')' " again. Why did it turn the square brackets
into parens? I took this as further evidence that Django ran the
function tuple() on args, turning any list into a tuple. I couldn't
figure out why they would do that. Now I see that the parens in the
exception are probably meaningless - it doesn't matter what kind of
sequence it is, and it's not actually being converted into a tuple, it
is just being written between parens for the purpose of the exception.
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