[mythtv-users] V35 install on Archlinux using cmake is missing python modules used in find_orphans.py

Wed Feb 19 19:08:09 UTC 2025

On Wed, Feb 19, 2025 at 1:51 PM Roland Ernst <rcrernst at gmail.com> wrote:

>
>
> On Wed, Feb 19, 2025 at 7:13 PM Bill Meek <keemllib at gmail.com> wrote:
>
>>
>>
>> On Wednesday 19 February 2025 12:07:45 PM (-06:00), James Abernathy wrote:
>>
>> > On Wed, Feb 19, 2025 at 11:44 AM James Abernathy <jfabernathy at gmail.com
>> >
>> > wrote:
>> >
>> > >
>> > >
>> > > On Wed, Feb 19, 2025 at 11:22 AM Bill Meek <keemllib at gmail.com>
>> wrote:
>> > >
>> > >>
>> > >>
>> > >>
>> > >> On Wednesday 19 February 2025 09:53:55 AM (-06:00), James Abernathy
>> wrote:
>> > >>
>> > >> > On Wed, Feb 19, 2025 at 10:47 AM Bill Meek <keemllib at gmail.com>
>> wrote:
>> > >> >
>> > >> > >
>> > >> > >
>> > >> > >
>> > >> > > On Wednesday 19 February 2025 08:24:29 AM (-06:00), James
>> Abernathy
>> > >> wrote:
>> > >> > >
>> > >> > > > On Wed, Feb 19, 2025 at 9:21 AM James Abernathy <
>> > >> jfabernathy at gmail.com>
>> > >> > > > wrote:
>> > >> > > >
>> > >> > > > >
>> > >> > > > >
>> > >> > > > > On Wed, Feb 19, 2025 at 9:11 AM glen <glenb at glenb.net>
>> wrote:
>> > >> > > > >
>> > >> > > > >> On Wed, 2025-02-19 at 07:42 -0500, James Abernathy wrote:
>> > >> > > > >>
>> > >> > > > >> So I've got a successful build of Mythtv on Archlinux using
>> the
>> > >> v35
>> > >> > > cmake
>> > >> > > > >> method. I used ansible for my dependencies and it works
>> fine as
>> > >> far
>> > >> > > as I
>> > >> > > > >> can tell.
>> > >> > > > >>
>> > >> > > > >> However when I try find_orphans.py I get:
>> > >> > > > >>
>> > >> > > > >> ./find_orphans.py
>> > >> > > > >> Traceback (most recent call last):
>> > >> > > > >> File "/home/jim/Downloads/./find_orphans.py", line 3, in
>> > >> <module>
>> > >> > > > >> from MythTV import MythDB, MythBE, Recorded, MythError
>> > >> > > > >> ModuleNotFoundError: No module named 'MythTV'
>> > >> > > > >>
>> > >> > > > >> I built using sudo like this:
>> > >> > > > >>
>> > >> > > > >> sudo cmake --preset qt5 -DCMAKE_INSTALL_PREFIX=/usr 2>&1 |
>> tee
>> > >> > > > >> ~/stage1-log
>> > >> > > > >> sudo cmake --build build-qt5 2>&1 | tee ~/stage2.log
>> > >> > > > >>
>> > >> > > > >> I looked through the stage1 and 2 log files I teed off and
>> > >> didn't see
>> > >> > > > >> anything missing except qt5webkit which is not needed.
>> > >> > > > >>
>> > >> > > > >> I can post those logs to Google Drive if needed.
>> > >> > > > >>
>> > >> > > > >> Jim A
>> > >> > > > >>
>> > >> > > > >>
>> > >> > > > >
>> > >> > > > >> is mythtv folder in the latest python on your machine in
>> > >> > > site-packages ?
>> > >> > > > >>
>> > >> > > > >
>> > >> > > > > No it seems that the build process didn't even build them???
>> > >> > > > >
>> > >> > > > > sudo updatedb
>> > >> > > > > sudo plocate site-packages | grep -i mythtv
>> > >> > > > >
>> > >> > > > > Shows nothing.
>> > >> > > > >
>> > >> > > > > Jim A
>> > >> > > > >
>> > >> > > >
>> > >> > > > BTW the link to the google drive with the stage 1&2 logs is:
>> > >> > > >
>> > >> > > >
>> > >> > >
>> > >>
>> https://drive.google.com/drive/folders/1v4beUzxygecF5_Sq4g2OR1s7s6CN9W4u?usp=drive_link
>> > >> > > >
>> > >> > > > Jim A
>> > >> > >
>> > >> > > 1. I see pip is missing and it's not in ansible, please try
>> pacman and
>> > >> > > install python-pip
>> > >> > > And python3-pip (I don't see any python3 packages in the pacman
>> > >> ansible
>> > >> > > tasks.)
>> > >> > > I'll push if one of those works.
>> > >> > >
>> > >> > > 2. If it doesn't help, try adding this:
>> -DMYTH_BINDINGS_INSTALL_ROOT=/
>> > >> > >
>> > >> > >
>> > >> > > 3. Are you running cmake as root?
>> > >> > > Including user overrides
>> > >> /root/.config/MythTV/BuildOverridesPost.cmake
>> > >> > > That's my choice as I mimic the 'old' make/sudo make install.
>> > >> > > --
>> > >> > > Bill
>> > >> >
>> > >> >
>> > >> > python-pip was missing and I installed it. However, python3-pip is
>> not
>> > >> > found on the Arch repository.
>> > >> >
>> > >> > I'll see what I can do with that.
>> > >> >
>> > >> > Jim A
>> > >>
>> > >> Looks like: https://wiki.archlinux.org/title/Python#Other_versions
>> is
>> > >> one of the
>> > >> answers. If typing: python --version now shows 2.7, then I don't
>> > >> understand.
>> > >> That's been EOL since 1/1/2020.
>> > >>
>> > >> Don't know if all packages python3 packages used here are on AUR
>> (and my
>> > >> Dockere is broken right now).
>> > >> --
>> > >> Bill
>> > >>
>> > >>
>> > > That error is the same one I get if I try to build from source like
>> the
>> > > wiki says using the old ./configure, make, sudo make install. I can
>> do an
>> > > install fine with the AUR package, mythtv-git, but I have to modify
>> the
>> > > PKGBUILD file to use v35 and eliminate the python-future dependency.
>> > > However, I can't remember the last time I did that successfully if I
>> test
>> > > find_orphans.py.
>> > >
>> > > I'm betting it's a dependency issue, but having to depend on AUR
>> > > maintainers for weird Python packages is suspect at best. In my
>> NUCBOX,
>> > > it's easy to switch out the NVME drive and test something else. So
>> I've
>> > > pulled the Arch SSD and put it in timeout so it can think about how it
>> > > screwed up. In the meantime I'll test something on Debian that I
>> wanted to
>> > > do for comparison.
>> > >
>> > > I did find something about pip and AUR. I can't say I understand all
>> of it:
>> > >
>> > > All python PKGBUILDs are built with --without-ensurepip, and pip is
>> > > provided via the python-pip package, which is built for the
>> system-wide
>> > > python environment as a "site-packages" package. If you build any
>> other
>> > > python version from the AUR, then you're supposed to use virtual
>> > > environments for any of those other python versions. In those virtual
>> > > environments, pip gets installed separately, and this is where you
>> can also
>> > > upgrade or even remove it.
>> > >
>> > > $ yay -S python311
>> > > $ python -m virtualenv -p /usr/bin/python3.11 /path/to/venv
>> > > $ source /path/to/venv/bin/activate
>> > > $ python --version
>> > > $ python -m pip --version
>> > >
>> > > Jim A
>> > >
>> >
>> >
>> > As a comparison, on an Archlinux VM I used the ansible dependencies for
>> > mythtv and then git cloned the AUR mythtv-git.
>> >
>> > I modified only the fixes/35 from 34 in the PKGBUILD file, and then
>> built
>> > the package with makepkg -si
>> >
>> > Once it complete I did the sudo updatedb, plocate site-packages | grep
>> -i
>> > mythtv and this time I got a bunch of files.
>> >
>> > So I have not built a full mythtv combo BE/FE but this answers part of
>> the
>> > question.
>> >
>> > Something is different between the new cmake build and the old
>> ./configure,
>> > make, sudo make install that is keeping the python bindings from being
>> > built for Archlinux.
>> >
>> > Jim A
>>
>>
>> Did you try adding: -DMYTH_BINDINGS_INSTALL_ROOT=/
>> on your cmake command line?
>>
>> --
>> Bill
>>
>
> Jim,
> what does the file "MythTV/_versions.py" state as "INSTALL_PREFIX" on the
> ArchLinux build?
> Does it match the path of the installed MythTV python bindings?
>
> > Something is different between the new cmake build and the old
> ./configure,
> > make, sudo make install that is keeping the python bindings from being
> > built for Archlinux.
>
> Nothing is different between the old make and the new cmake process.
> If the python installation is protected by the file "EXTERNALLY-MANAGED"
> no one except the package manager is allowed to install to it.
>
> Roland
> That's the problem there is no MythTV/_versions.py file anywhere on the
> system where I'm building mythtv.

  plocate _version.py
/usr/lib/python3.13/site-packages/_pytest/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/ansible/posix/plugins/module_utils/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/cisco/mso/plugins/modules/mso_version.py
/usr/lib/python3.13/site-packages/ansible_collections/cisco/nxos/plugins/action/vtp_version.py
/usr/lib/python3.13/site-packages/ansible_collections/cisco/nxos/plugins/modules/nxos_vtp_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/crypto/plugins/module_utils/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/general/plugins/lookup/collection_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/mysql/plugins/module_utils/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/network/plugins/module_utils/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/network/plugins/modules/avi_api_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/postgresql/plugins/module_utils/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/rabbitmq/plugins/module_utils/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/sops/plugins/filter/_latest_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/windows/plugins/modules/win_file_version.py
/usr/lib/python3.13/site-packages/ansible_collections/community/zabbix/plugins/module_utils/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/fortinet/fortimanager/plugins/modules/fmgr_waf_profile_
constraint_version.py
/usr/lib/python3.13/site-packages/ansible_collections/google/cloud/plugins/modules/gcp_mlengine_version.py
/usr/lib/python3.13/site-packages/ansible_collections/hetzner/hcloud/plugins/module_utils/vendor/hcloud/_vers
ion.py
/usr/lib/python3.13/site-packages/ansible_collections/kubernetes/core/plugins/module_utils/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/theforeman/foreman/plugins/module_utils/_version.py
/usr/lib/python3.13/site-packages/ansible_collections/theforeman/foreman/plugins/modules/content_export_versi
on.py
/usr/lib/python3.13/site-packages/ansible_collections/theforeman/foreman/plugins/modules/content_import_versi
on.py
/usr/lib/python3.13/site-packages/ansible_collections/theforeman/foreman/plugins/modules/content_view_version
.py
/usr/lib/python3.13/site-packages/dateutil/_version.py
/usr/lib/python3.13/site-packages/iniconfig/_version.py
/usr/lib/python3.13/site-packages/paramiko/_version.py
/usr/lib/python3.13/site-packages/pip/_vendor/urllib3/_version.py
/usr/lib/python3.13/site-packages/pluggy/_version.py
/usr/lib/python3.13/site-packages/setuptools/_distutils/tests/test_version.py
/usr/lib/python3.13/site-packages/urllib3/_version.py
[jim at nucboxg3 build]$

This is on the cmake build machine. Do you want to see what it is on the
other arch machine where I did the traditional PKGBUILD build?

Jim A
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