Bug#1106066: python-w3lib: FTBFS: E ValueError: 'example.com' does not appear to be an IPv4 or IPv6 address

[Andrey Rakhmatullin]

On Mon, May 19, 2025 at 09:50:44AM +0000, Santiago Vila wrote:

Package: src:python-w3lib
Version: 2.1.1-1
Severity: serious
Control: close -1 2.3.1-1
Tags: ftbfs bookworm

Dear maintainer:

During a rebuild of all packages in bookworm, your package failed to build:

[ Note: The bug is closed with the version in trixie/sid, but
 packages in bookworm must still build in bookworm ].

[...]

FAILED 
tests/test_url.py::test_safe_url_string_url[https:/"%;<=>@[]^`{|}\x7f:"%;<=>@[]^`{|}\x7f:@example.com-https:/%22%25%3B%3C%3D%3E%40%5B%5D%5E%60%7B%7C%7D%7F:%22%25%3b%3c%3d%3e%40%5b%5d%5e%60%7b%7c%7d%7f...@example.com]
FAILED 
tests/test_url.py::test_safe_url_string_url[http:/[2a01:5cc0:1:2:3:4]-ValueError]

Hi! This is #1042345 aka https://github.com/scrapy/w3lib/issues/212

The upstream fix is https://github.com/scrapy/w3lib/pull/213/files (note that it checks the interpreter version for one of the failing tests, which won't work in Debian, because the CVE-2024-11168 fix is included upstream in 3.11.4 but in Debian it was backported into 3.11.2-6+deb12u5).

Note: The following packages fail in a similar weird way:

asyncpg
python-taskflow
python-w3lib
yarl

Maybe there is a common reason, or maybe the packages need to adapt anyway.

All of that should be fallout from 
https://github.com/python/cpython/issues/103848

--
WBR, wRAR

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