Stefan Krah added the comment:
Christian Heimes <rep...@bugs.python.org> wrote:
> The output is from Python 3.3. Why has Python 3.3 a less informative error
> message than 3.2?
Because the error is discovered in libmpdec and it would require a significant
amount of work to provide fine-grained error messages.
> I also wonder why it works with floats if it has a special meaning?
> Either float or Decimal is broken.
Yes, IMO float should detect the ambiguity. You see that the zero implies left
padding:
>>> "{:06}".format(1.2)
'0001.2'
And in case of a conflict right padding wins:
>>> "{:<06}".format(1.2)
'1.2000'
The unambiguous way to get right padding is:
>>> "{:0<6}".format(Decimal("1.2"))
'1.2000'
>>> "{:X<6}".format(Decimal("1.2"))
'1.2XXX'
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue17247>
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