Your message dated Sun, 18 Oct 2026 20:44:13 +0000
with message-id <[email protected]>
and subject line Bug#1147234: fixed in poetry 2.3.4-3
has caused the Debian Bug report #1147234,
regarding poetry: FTBFS against python 3.15rc2
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.
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--
1147234: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1147234
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: src:poetry
Version: 2.3.4-2
User: [email protected]
Usertags: python3.15
Tags: patch, ftbfs, forky, sid
Severity: important
Hi!
While rebuilding the python related packages against the Python 3.15rc2
version we found that poetry fails to build from source [1].
To fix it, I've added a backport of upstream commit f47e6b2f: [PATCH]
Fix MetadataNotFound from importlib.metadata on Python 3.15+ (#10860)
[2].
I've applied the upstream fix in the sandbox [3] to verify that it
builds successfully, please consider applying the patch to support the
upcoming 3.15 version.
BTW, upstream is already at 2.4.3, which includes this fix and other
fixes. Upgrading to the latest upstream version would also fix this
issue.
Setting the severity to important for now. Once Python 3.15 is released,
it will be added to python3-defaults and this bug will become release
critical.
Happy hacking,
[1]: https://debusine.debian.net/debian/r-python-python3.15/artifact/4524773/
[2]:
https://github.com/python-poetry/poetry/commit/f47e6b2f73e6ea6e1f81fa8963ec0fde30815345
[3]: https://debusine.debian.net/debian/r-python-python3.15/
--
"Can you imagine what I would do if I could do all I can?" -- Sun Tzu
Saludos /\/\ /\ >< `/
From f47e6b2f73e6ea6e1f81fa8963ec0fde30815345 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lum=C3=ADr=20=27Frenzy=27=20Balhar?= <[email protected]>
Date: Fri, 1 May 2026 06:41:17 +0200
Subject: [PATCH] Fix MetadataNotFound from importlib.metadata on Python 3.15+
(#10860)
In Python 3.15, importlib.metadata raises MetadataNotFound
(a FileNotFoundError subclass) when a dist-info directory has no
METADATA file. Previously, it returned None.
---
src/poetry/repositories/installed_repository.py | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/poetry/repositories/installed_repository.py b/src/poetry/repositories/installed_repository.py
index 9a28ada0..81cf888c 100644
--- a/src/poetry/repositories/installed_repository.py
+++ b/src/poetry/repositories/installed_repository.py
@@ -270,7 +270,12 @@ class InstalledRepository(Repository):
if path in skipped:
continue
- dist_metadata = distribution.metadata # type: ignore[attr-defined]
+ try:
+ dist_metadata = distribution.metadata # type: ignore[attr-defined]
+ except FileNotFoundError:
+ # Python 3.15+ raises MetadataNotFound (a FileNotFoundError subclass)
+ # when a dist-info directory has no METADATA file
+ dist_metadata = None
name = (
dist_metadata.get("name") # type: ignore[attr-defined]
if dist_metadata
--
Index: poetry/tests/console/commands/debug/test_info.py
===================================================================
--- poetry.orig/tests/console/commands/debug/test_info.py
+++ poetry/tests/console/commands/debug/test_info.py
@@ -63,7 +63,7 @@ Platform: darwin
OS: posix
Python: {".".join(str(v) for v in sys.version_info[:3])}
Path: {Path("/base/prefix")}
-Executable: python
+Executable: python3
"""
assert tester.io.fetch_output() == expected
Index: poetry/tests/console/test_application_command_not_found.py
===================================================================
--- poetry.orig/tests/console/test_application_command_not_found.py
+++ poetry/tests/console/test_application_command_not_found.py
@@ -21,7 +21,6 @@ def tester() -> ApplicationTester:
@pytest.mark.parametrize(
("command", "suggested"),
[
- ("x", None),
("en", ["env activate", "env info", "env list", "env remove", "env use"]),
("sou", ["source add", "source remove", "source show"]),
],
Index: poetry/tests/utils/env/python/test_manager.py
===================================================================
--- poetry.orig/tests/utils/env/python/test_manager.py
+++ poetry/tests/utils/env/python/test_manager.py
@@ -137,7 +137,7 @@ def test_get_by_name_version(
def test_get_by_name_python(without_mocked_findpython: None) -> None:
- python = Python.get_by_name("python")
+ python = Python.get_by_name("python3")
assert python is not None
assert python.version.major == 3
assert python.version.minor == sys.version_info.minor
Index: poetry/tests/utils/env/test_env.py
===================================================================
--- poetry.orig/tests/utils/env/test_env.py
+++ poetry/tests/utils/env/test_env.py
@@ -464,7 +464,7 @@ def test_env_finds_fallback_executables_
venv._bin_dir.joinpath(major_executable).unlink(missing_ok=True)
venv._bin_dir.joinpath(major_pip_executable).unlink(missing_ok=True)
- expected_executable = default_executable
+ expected_executable = default_executable + "3"
expected_pip_executable = default_pip_executable
else:
Index: poetry/tests/utils/test_python_manager.py
===================================================================
--- poetry.orig/tests/utils/test_python_manager.py
+++ poetry/tests/utils/test_python_manager.py
@@ -61,7 +61,7 @@ def test_python_get_preferred_default(co
python = Python.get_preferred_python(config)
assert python.executable.resolve() == Path(sys.executable).resolve()
- assert python.version == python_version
+ assert python.version in {python_version, Python.get_system_python().version}
def test_get_preferred_python_use_poetry_python_disabled(
--- End Message ---
--- Begin Message ---
Source: poetry
Source-Version: 2.3.4-3
Done: Nico Della Torre <[email protected]>
We believe that the bug you reported is fixed in the latest version of
poetry, 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.
Nico Della Torre <[email protected]> (supplier of updated poetry 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, 18 Oct 2026 00:43:18 +0200
Source: poetry
Architecture: source
Version: 2.3.4-3
Distribution: unstable
Urgency: medium
Maintainer: Debian Python Team <[email protected]>
Changed-By: Nico Della Torre <[email protected]>
Closes: 1147234
Changes:
poetry (2.3.4-3) unstable; urgency=medium
.
* Team upload.
* Backport upstream commit f47e6b2f: handle importlib.metadata raising
MetadataNotFound for a dist-info directory without METADATA on
Python 3.15+ (Closes: #1147234)
* debian/patches/fix-tests.patch: accept the version reported by
Python.get_system_python() in test_python_get_preferred_default,
which drops the pre-release suffix (e.g. 3.15.0rc1).
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