[New-bugs-announce] [issue46904] Python Decimal supports '#' format, C Decimal does not.
report at bugs.python.org
Wed Mar 2 18:39:52 EST 2022
New submission from Constantine Evans <const at costi.eu>:
Decimal as implemented in _pydecimal supports the '#' alternate form in format strings, though this does not appear to be documented: as with floats, it causes a decimal point to be included regardless of value. Decimal as implemented in cdecimal, as it uses libmpdec, does not.
This is a rather minor discrepancy; I hadn't actually intended to have # in my format string at all, but it had ended up there and was causing errors for half of the users of my library. # also could be useful for decimals, as it can be for floats.
Like #45739, it's unclear to me whether this is a discrepancy that should be corrected by implementing # for cdecimal, removing # support for _pydecimal, or just documenting the inconsistency.
components: Library (Lib)
title: Python Decimal supports '#' format, C Decimal does not.
versions: Python 3.10, Python 3.11
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