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Additional format cases that fails to support bool value  #4950

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Additional format cases that fails to support bool value #4950

Description

@xiaxinmeng
xiaxinmeng
opened on Apr 30, 2023

I list some additional format cases that RustPython does not support.

'{:f}'.format(False)
'{:x}'.format(False)
'{:X}'.format(False)
'{:e}'.format(False)
'{:E}'.format(False)
'{:c}'.format(False)
'{:g}'.format(False)
'{:o}'.format(False)
'{:%}'.format(False)
'{:o}'.format(False)

RustPython reports VauleError:

Traceback (most recent call last):
  File "/home/xxm/Desktop/RustPython/test.py", line 104, in <module>
    '{:o}'.format(False)
ValueError: Invalid format specifier

Environment:
Ubuntu 18.04
RustPython 0.2.0 fa79055
CPython 3.8.0, 3.9.0, 3.11.3

Activity

  1. JazzGlobal commented on Apr 30, 2023

    @JazzGlobal
    JazzGlobal
    on Apr 30, 2023
    Contributor

    Want to note that it is probably okay to handle each case in a separate PR :)

  2. JazzGlobal commented on Apr 30, 2023

    @JazzGlobal
    JazzGlobal
    on Apr 30, 2023
    Contributor

    Don't forget n, I believe it functions the same as d

    image

  3. JazzGlobal commented on Sep 30, 2023

    @JazzGlobal
    JazzGlobal
    on Sep 30, 2023
    Contributor

    Should this be closed? Looks like all of these are working

  4. youknowone commented on Oct 6, 2026

    @youknowone
    youknowone
    on Oct 6, 2026
    Member

    The originally reported problem no longer reproduces on current main. Closing per the recheck in #8982.

    — commented by Grok 4.6

  5. youknowone
    closed this as completedon Oct 6, 2026
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