Your message dated Sun, 28 Jun 2026 16:44:35 +0000
with message-id <[email protected]>
and subject line Bug#1140927: fixed in depthcharge-tools 0.6.2-5
has caused the Debian Bug report #1140927,
regarding depthcharge-tools: Traceback with 3.14: args for positionals must be
!= 0
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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misconfiguration somewhere. Please contact [email protected]
immediately.)
--
1140927: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1140927
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: depthcharge-tools
Version: 0.6.2-4
Severity: serious
Tags: d-i
Justification: working depthchargectl invokations break all of a sudden, breaks
d-i
X-Debbugs-Cc: [email protected], [email protected],
[email protected]
Hi,
The python3-defaults package was just switched from 3.13 to 3.14 and
that breaks debian-installer builds. Previously, that's been working
fine for a very long time:
update-manifest dest/cdrom/gtk/debian-cd_info.tar.gz "isolinux help screens
for CD (graphical)"
pigz -nm -v -d <tmp/cdrom_gtk/initrd.gz | xz -T0 --check=crc32
--block-size=1M -v >tmp/cdrom_gtk/initrd.xz
<stdin> to <stdout>
(stdin): 57.1 MiB / 134.4 MiB = 0.425, 14 MiB/s, 0:09
rm -f ./tmp/cdrom_gtk/depthcharge/*
mkdir -p ./tmp/cdrom_gtk/depthcharge
for board in amd64-generic; do \
depthchargectl build -v \
--board ${board} \
--kernel-release 7.0.13+deb14-amd64 \
--kernel ./tmp/cdrom_gtk/vmlinuz \
--initramfs ./tmp/cdrom_gtk/initrd.xz \
--root none \
--kernel-cmdline "partman-partitioning/default_label=gpt
--- quiet" \
--output ./tmp/cdrom_gtk/depthcharge/${board}.kernel.img; \
gen-hd-image -v -z \
-X gpt \
-p $(($(stat -c%s
./tmp/cdrom_gtk/depthcharge/${board}.kernel.img) / 512 + 2048)) \
-i $(mktemp -d) \
-o ./tmp/cdrom_gtk/depthcharge/${board}.disk.img \
-d FE3A2A5D-4F32-41A7-B725-ACCC3285A309 \
./tmp/cdrom_gtk/depthcharge/${board}.kernel.img \
2048; \
pigz -9nmf ./tmp/cdrom_gtk/depthcharge/${board}.kernel.img; \
done
Couldn't find /boot in fstab, falling back to '/boot'.
Assuming board 'Unnamed amd64-generic board' ('amd64-generic') by codename
argument or config.
Using kernel cmdline from given options:
partman-partitioning/default_label=gpt --- quiet
Building depthcharge image for board 'Unnamed amd64-generic board'
('amd64-generic').
Building for kernel version '7.0.13+deb14-amd64'.
Trying with compression 'none'.
Using file
'/build/reproducible-path/debian-installer-20250804/build/tmp/cdrom_gtk/vmlinuz'
as a vmlinuz.
Trying to decompress file
'/build/reproducible-path/debian-installer-20250804/build/tmp/cdrom_gtk/vmlinuz'.
Using file
'/build/reproducible-path/debian-installer-20250804/build/tmp/cdrom_gtk/initrd.xz'
as an initramfs.
Using keyblock file '/usr/share/vboot/devkeys/kernel.keyblock'.
Using signprivate file '/usr/share/vboot/devkeys/kernel_data_key.vbprivk'.
Using signpubkey file '/usr/share/vboot/devkeys/kernel_subkey.vbpubk'.
Vmlinuz pref_address is 0x1000000, with init_size 0x3c47000.
Padding vmlinuz to size 0xdaa000
Packing files as temporary image.
[…]
That broke all of a sudden with a traceback:
update-manifest dest/cdrom/gtk/debian-cd_info.tar.gz "isolinux help screens
for CD (graphical)"
pigz -nm -v -d <tmp/cdrom_gtk/initrd.gz | xz -T0 --check=crc32
--block-size=1M -v >tmp/cdrom_gtk/initrd.xz
<stdin> to <stdout>
(stdin): 57.1 MiB / 134.4 MiB = 0.425, 14 MiB/s, 0:09
rm -f ./tmp/cdrom_gtk/depthcharge/*
mkdir -p ./tmp/cdrom_gtk/depthcharge
for board in amd64-generic; do \
depthchargectl build -v \
--board ${board} \
--kernel-release 7.0.13+deb14-amd64 \
--kernel ./tmp/cdrom_gtk/vmlinuz \
--initramfs ./tmp/cdrom_gtk/initrd.xz \
--root none \
--kernel-cmdline "partman-partitioning/default_label=gpt
--- quiet" \
--output ./tmp/cdrom_gtk/depthcharge/${board}.kernel.img; \
gen-hd-image -v -z \
-X gpt \
-p $(($(stat -c%s
./tmp/cdrom_gtk/depthcharge/${board}.kernel.img) / 512 + 2048)) \
-i $(mktemp -d) \
-o ./tmp/cdrom_gtk/depthcharge/${board}.disk.img \
-d FE3A2A5D-4F32-41A7-B725-ACCC3285A309 \
./tmp/cdrom_gtk/depthcharge/${board}.kernel.img \
2048; \
pigz -9nmf ./tmp/cdrom_gtk/depthcharge/${board}.kernel.img; \
done
→ Traceback (most recent call last):
→ file "/usr/bin/depthchargectl", line 33, in <module>
→ sys.exit(load_entry_point('depthcharge-tools==0.6.2',
'console_scripts', 'depthchargectl')())
→
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
→ File
"/usr/lib/python3/dist-packages/depthcharge_tools/utils/argparse.py", line 895,
in main
→ parser = cls.parser
→ ^^^^^^^^^^
→ File
"/usr/lib/python3/dist-packages/depthcharge_tools/utils/argparse.py", line
1042, in parser
→ return cls.__build()
→ ~~~~~~~~~~~^^
→ File
"/usr/lib/python3/dist-packages/depthcharge_tools/utils/argparse.py", line
1065, in __build
→ arg.build(parser)
→ ~~~~~~~~~^^^^^^^^
→ File
"/usr/lib/python3/dist-packages/depthcharge_tools/utils/argparse.py", line 439,
in build
→ return parent.add_argument(*option_strings, **kwargs)
→ ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
→ File "/usr/lib/python3.14/argparse.py", line 1531, in add_argument
→ kwargs = self._get_positional_kwargs(*args, **kwargs)
→ File "/usr/lib/python3.14/argparse.py", line 1666, in
_get_positional_kwargs
→ raise ValueError('nargs for positionals must be != 0')
→ ValueError: nargs for positionals must be != 0
stat: cannot statx './tmp/cdrom_gtk/depthcharge/amd64-generic.kernel.img':
No such file or directory
/bin/sh: 10: arithmetic expression: expecting primary: " / 512 + 2048"
make[4]: *** [config/x86.cfg:437: arch_depthcharge] Error 2
make[3]: *** [Makefile:315: _build] Error 2
make[2]: *** [Makefile:309: build_cdrom_gtk] Error 2
make[1]: *** [Makefile:315: _build] Error 2
make: *** [Makefile:309: build_cdrom_isolinux] Error 2
(The parts after the traceback can be ignored, that's definitely a
problem in the installer's Makefile.)
I didn't immediately spot a breaking change in the “what's new in 3.14”
page, or the argparse documentation, but a quick search in CPython's git
repository quickly returned the following:
commit 9944ad388c457325456152257b977410c4ec3593
Author: Serhiy Storchaka <[email protected]>
Date: Sat Oct 12 16:04:17 2024 +0300
gh-85935: Check for nargs=0 for positional arguments in argparse
(GH-124839)
Raise ValueError in add_argument() if either explicit nargs=0 or action
that does not consume arguments (like 'store_const' or 'store_true') is
specified for positional argument.
diff --git a/Lib/argparse.py b/Lib/argparse.py
index cbecb3b753c..550415dc934 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -1441,11 +1441,17 @@ def add_argument(self, *args, **kwargs):
kwargs['default'] = self.argument_default
# create the action object, and add it to the parser
+ action_name = kwargs.get('action')
action_class = self._pop_action_class(kwargs)
if not callable(action_class):
raise ValueError('unknown action "%s"' % (action_class,))
action = action_class(**kwargs)
+ # raise an error if action for positional argument does not
+ # consume arguments
+ if not action.option_strings and action.nargs == 0:
+ raise ValueError(f'action {action_name!r} is not valid for
positional arguments')
+
# raise an error if the action type is not callable
type_func = self._registry_get('type', action.type, action.type)
if not callable(type_func):
@@ -1554,7 +1560,9 @@ def _get_positional_kwargs(self, dest, **kwargs):
# mark positional arguments as required if at least one is
# always required
nargs = kwargs.get('nargs')
- if nargs not in [OPTIONAL, ZERO_OR_MORE, REMAINDER, SUPPRESS, 0]:
+ if nargs == 0:
+ raise ValueError('nargs for positionals must be != 0')
+ if nargs not in [OPTIONAL, ZERO_OR_MORE, REMAINDER, SUPPRESS]:
kwargs['required'] = True
# return the keyword arguments with no option strings
And that's be consistent with the 3.13 versus 3.14 hypothesis:
kibi@tokyo:~/hack/cpython.git (main =)$ git describe --contains --tags
9944ad388c457325456152257b977410c4ec3593
v3.14.0a1~62
Cheers,
--
Cyril Brulebois ([email protected]) <https://debamax.com/>
D-I release manager -- Release team member -- Freelance Consultant
--- End Message ---
--- Begin Message ---
Source: depthcharge-tools
Source-Version: 0.6.2-5
Done: Colin Watson <[email protected]>
We believe that the bug you reported is fixed in the latest version of
depthcharge-tools, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Colin Watson <[email protected]> (supplier of updated depthcharge-tools
package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Sun, 28 Jun 2026 17:20:33 +0100
Source: depthcharge-tools
Architecture: source
Version: 0.6.2-5
Distribution: unstable
Urgency: medium
Maintainer: Debian Python Team <[email protected]>
Changed-By: Colin Watson <[email protected]>
Closes: 1140927
Changes:
depthcharge-tools (0.6.2-5) unstable; urgency=medium
.
* Team upload.
* utils: argparse: suppress some arguments from Python argparse (closes:
#1140927).
* Add a superficial autopkgtest for `depthchargectl --help`.
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Git-Tag-Tagger: Colin Watson <[email protected]>
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