Hello everyone,
I was told to bring this issue to python-dev, but I was reluctant to
do this until I was confident I can solve the problem. I have managed
to provide the patch that works, so now I can talk about how this
should be done, just as Eric told me. Here is the link to the ticket:
http://bugs.python.org/issue6081.
In the issue Raymond Hettinger proposed adding method to string, that
would allow to explicitly pass subscriptable object, from which
formatting of a string would be done. Two questions arise:
1) whether add such functionality at all?
2) how the method should be called? Should formatting options based on
*args be kept (like using {0} in formatted string) or not and how
argument should be passed. Eric suggested passing only mapping and
only adding *args, if that is found useful by users; I have though
about having both mapping and *args, which would keep it similar to
the old formatting. Another option is to have *args and one keyword
with the mapping (instead of kwargs).
I would appreciate any advice on this topic, even if this ticket would
be dismissed altogether, as I would like to learn as much as possible
on practices on developing Python.
--
Filip Gruszczyński
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