Ben Wolfson <wolf...@gmail.com> added the comment:
The semantics the docs suggest for index fields (namely that whatever is in the
index field is just passed to getitem) do seem to be right, no other processing
is done here, for instance:
>>> d = {"{0}":"hi"}
>>> "{0[{0}]}".format(d)
'hi'
>>> import string
>>> list(string.Formatter().parse("{0[{0}]}"))
[('', '0[{0}]', '', None)]
>>>
Which is what you'd expect, but makes me think that treating "!" and ":" in the
index field separately is definitely wrong.
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue12014>
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