[Bug 6229] New: Incorrect version in hg-evolve package with Python 3

Sun Nov 24 22:52:38 UTC 2019

https://bz.mercurial-scm.org/show_bug.cgi?id=6229

            Bug ID: 6229
           Summary: Incorrect version in hg-evolve package with Python 3
           Product: Mercurial
           Version: unspecified
          Hardware: PC
                OS: All
            Status: UNCONFIRMED
          Severity: bug
          Priority: wish
         Component: evolution
          Assignee: bugzilla at mercurial-scm.org
          Reporter: byron at glob.com.au
                CC: mercurial-devel at mercurial-scm.org,
                    pierre-yves.david at ens-lyon.org
    Python Version: 3.7

Symptom: The hg-evolve package is always updated by pip even though the version
hasn't changed.

glob /opt/mercurial$ ./bin/python --version
Python 3.7.5
glob /opt/mercurial$ ./bin/pip list
Package    Version
---------- --------
hg-evolve  b-9.2.1-
mercurial  5.2
pip        19.3.1
setuptools 41.2.0
glob /opt/mercurial$ ./bin/pip install -U hg-evolve
Collecting hg-evolve
  Downloading
https://files.pythonhosted.org/packages/18/6c/7ae28f077dc8c9f522570e5be8a86a961bfdd47387afa1a708df034a5353/hg-evolve-9.2.1.tar.gz
(775kB)
     |â–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆâ–ˆ| 778kB 590kB/s
Installing collected packages: hg-evolve
  Found existing installation: hg-evolve b-9.2.1-
    Uninstalling hg-evolve-b-9.2.1-:
      Successfully uninstalled hg-evolve-b-9.2.1-
    Running setup.py install for hg-evolve ... done
Successfully installed hg-evolve-b-9.2.1-
glob /opt/mercurial$ ./bin/pip list
Package    Version
---------- --------
hg-evolve  b-9.2.1-
mercurial  5.2
pip        19.3.1
setuptools 41.2.0

Note hg-evolve has the version "b-9.2.1-" both prior and after running upgrade.

This is caused by get_version() in setup.py returning a byte string (b'9.2.1')
instead of a native string.

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