Gentoo Archives: gentoo-user

From: Michael <confabulate@××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] update fails, but I don't see why [PROGRESS]
Date: Wed, 30 Dec 2020 00:05:35
Message-Id: 4286026.LvFx2qVVIh@lenovo.localdomain
In Reply to: Re: [gentoo-user] update fails, but I don't see why [PROGRESS] by Neil Bothwick
1 On Tuesday, 29 December 2020 22:55:03 GMT Neil Bothwick wrote:
2 > On Tue, 29 Dec 2020 23:16:11 +0100, n952162 wrote:
3 > > > So, I tried to do an emerge on @system. I got another slot conflict!
4 > > > This time for mako, which I'd seen go by sometimes as a "package of
5 > > > interest". It's only transgression: PYTHON_TARGET containing
6 > > > python3_7.
7 > >
8 > > Note that both the "scheduled for merge" depender and the "installed"
9 > > depender both required the same version of mako, 1.1.1-r1. The only
10 > > difference is the fact that one requirements specification has
11 > > python3-7, the other python3-8. The same pkg, the same binaries.
12 > > Something is wrong here. Why is it not good enough to specify python3?
13 >
14 > PYTHON_TARGET determines for which version(s) of Python a package
15 > installs its modules. The modules may be identical, but 3.7 and 3.8 have
16 > different search paths, e.g. /usr/lib/python3.7/site-packages vs.
17 > /usr/lib/python3.8/site-packages.
18 >
19 > It is possible you have some old python_targets settings in package.use,
20 > that's where I would check first.
21
22 As discussed recently, removing any manually configured python targets and
23 letting portage work its magic, rather than fighting against it, is usually a
24 sound way to get out of such a muddle.
25
26 I sync'ed portage a few hours ago today. Neither mako, nor setuptools require
27 anything other than python3_8 on this system:
28
29 $ eix -l setuptools
30 [I] dev-python/setuptools
31 Available versions:
32 46.4.0-r3 ^t [test PYTHON_TARGETS="pypy3 python2_7
33 python3_6 python3_7 python3_8 python3_9"] ["|| ( python_targets_pypy3
34 python_targets_python2_7 python_targets_python3_6 python_targets_python3_7
35 python_targets_python3_8 python_targets_python3_9 )"]
36 50.3.0 ^t [test PYTHON_TARGETS="pypy3 python3_6
37 python3_7 python3_8 python3_9"] ["|| ( python_targets_pypy3
38 python_targets_python3_6 python_targets_python3_7 python_targets_python3_8
39 python_targets_python3_9 )"]
40 ~ 51.0.0 ^t [test PYTHON_TARGETS="pypy3 python3_6
41 python3_7 python3_8 python3_9"] ["|| ( python_targets_pypy3
42 python_targets_python3_6 python_targets_python3_7 python_targets_python3_8
43 python_targets_python3_9 )"]
44 ~ 51.1.0 ^t [test PYTHON_TARGETS="pypy3 python3_6
45 python3_7 python3_8 python3_9"] ["|| ( python_targets_pypy3
46 python_targets_python3_6 python_targets_python3_7 python_targets_python3_8
47 python_targets_python3_9 )"]
48 Installed versions: 50.3.0^t(12:47:38 05/12/20)(-test
49 PYTHON_TARGETS="python3_8 -pypy3 -python3_6 -python3_7 -python3_9")
50 Homepage: https://github.com/pypa/setuptools https://pypi.org/
51 project/setuptools/
52 Description: Collection of extensions to Distutils
53
54
55 $ eix -l mako
56 [I] dev-python/mako
57 Available versions:
58 1.1.3-r1 ^t [doc test PYTHON_TARGETS="pypy3 python3_6
59 python3_7 python3_8 python3_9"] ["|| ( python_targets_pypy3
60 python_targets_python3_6 python_targets_python3_7 python_targets_python3_8
61 python_targets_python3_9 )"]
62 Installed versions: 1.1.3-r1^t(13:09:34 05/12/20)(-doc -test
63 PYTHON_TARGETS="python3_8 -pypy3 -python3_6 -python3_7 -python3_9")
64 Homepage: https://www.makotemplates.org/ https://pypi.org/
65 project/Mako/
66 Description: A Python templating language
67
68 I expect in a few weeks the tree will settle on python3_9, so all this rinse
69 and repeat exercise with all the python updates should hopefully go quiet. :-)

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