Path: csiph.com!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail
From: songbird <songbird@anthive.com>
Newsgroups: comp.lang.python
Subject: Re: Formatted Integer With Specified Number Of Digits
Date: Sun, 19 Oct 2025 10:01:16 -0400
Organization: the little wild kingdom
Lines: 40
Message-ID: <ci7fsl-dj2.ln1@anthive.com>
References: <10d23rk$2bc2b$1@dont-email.me>
Reply-To: songbird <songbird@anthive.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit
Injection-Date: Sun, 19 Oct 2025 14:05:18 +0000 (UTC)
Injection-Info: dont-email.me; posting-host="06273731fbb4477d307ba5635df1b458"; logging-data="2672981"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1/yjRA/mNuIfGPZjoOOiENuYaLYQ7aEEp4="
User-Agent: slrn/1.0.3 (Linux)
Cancel-Lock: sha1:489D3r2RKReuPYc6+Q8aZM6PeOo=
Xref: csiph.com comp.lang.python:197569

Lawrence D’Oliveiro wrote:
> Formatting an integer with 3 digits, excluding base specifier:
>
>     >>> "%#0.3x" % 2
>     '0x002'
>
> No equivalent to this in any of the other ways that Python allows for
> formatting:
>
>     >>> format(2, "#03x")
>     '0x2'
>
>     (Not what I want)
>
>     >>> format(2, "#0.3x")
>     Traceback (most recent call last):
>       File "<python-input-10>", line 1, in <module>
>         format(2, "#0.3x")
>         ~~~~~~^^^^^^^^^^^^
>     ValueError: Precision not allowed in integer format specifier
>
>     >>> "{:#03x}".format(2)
>     '0x2'
>
>     (Not what I want)
>
>     >>> "{:#0.3x}".format(2)
>     Traceback (most recent call last):
>       File "<python-input-13>", line 1, in <module>
>         "{:#0.3x}".format(2)
>         ~~~~~~~~~~~~~~~~~^^^
>     ValueError: Precision not allowed in integer format specifier
>
> Why not?


  https://github.com/tpauldike/printf


  songbird