python-daemon

#79 [3.0.1] `pip list --outdated` showing 3.0.1 for Python <= 3.6
Closed: Invalid by bignose. Opened by hswong3i.

Closed: Invalid
Reopen Issue

@bignose still https://pagure.io/python-daemon/pull-request/75 is required...

$ sudo podman run -ti --rm alvistack/ubuntu-18.04 bash
root@42a128782bbf:~# apt update && apt -y full-upgrade && apt -y install python3-dev python3-pip
root@42a128782bbf:~# pip3 --version
pip 21.3.1 from /usr/lib/python3/dist-packages/pip (python 3.6)
root@42a128782bbf:~# pip3 install python-daemon
Collecting python-daemon
  Downloading python_daemon-3.0.1-py3-none-any.whl (31 kB)
Collecting docutils
  Downloading docutils-0.18.1-py2.py3-none-any.whl (570 kB)
     |████████████████████████████████| 570 kB 22.0 MB/s            
Collecting python-daemon
  Downloading python_daemon-2.3.2-py3-none-any.whl (34 kB)
Requirement already satisfied: setuptools in /usr/lib/python3/dist-packages (from python-daemon) (59.6.0)
Collecting lockfile>=0.10
  Downloading lockfile-0.12.2-py2.py3-none-any.whl (13 kB)
Installing collected packages: lockfile, docutils, python-daemon
Successfully installed docutils-0.18.1 lockfile-0.12.2 python-daemon-2.3.2
root@42a128782bbf:~# pip3 show python-daemon
Name: python-daemon
Version: 2.3.2
Summary: Library to implement a well-behaved Unix daemon process.
Home-page: https://pagure.io/python-daemon/
Author: Ben Finney
Author-email: ben+python@benfinney.id.au
License: Apache-2
Location: /usr/local/lib/python3.6/dist-packages
Requires: docutils, lockfile, setuptools
Required-by: 
root@42a128782bbf:~# pip3 list --outdated
Package       Version Latest Type
------------- ------- ------ -----
python-daemon 2.3.2   3.0.1  wheel

This describes a bug in the Pip dependency resolver.

Both 'python-daemon' and 'setuptools' declare their dependencies correctly in available versions from PyPI; Pip has the information available to understand which is the latest version that can be installed that satisfies those dependencies, but it fails to do so.
Edited by bignose

Metadata Update from @bignose:
- Issue close_status updated to: Invalid
- Issue status updated to: Closed (was: Open)

With my OBS (https://build.opensuse.org/project/show/home:alvistack ) packaging experience (i.e. at least 300+ Python related packages), this is how the pip and pypi.org community works.

People always asking for clearly define meta data and python_requires with correct supported Python version in setup.cfg/setup.py/pyproject.toml.

Moreover I could understand why pip list just quick check python_requires provided from pypi.org, in order to keep the checking logic simple and avoid recursive dependency scan which do take time and effort.

We could claim it as bug, but community seems this as feature and everyone following it and working smoothly as changes proposed with this PR.

As your reference: https://github.com/pypa/warehouse/issues/3889

With the migration to 'changelog-chug' for interrogating the Change Log at build time, merged to the 'main' branch, this issue is now resolved.
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