example_python_spec.txt

%global debug_package %{nil}
%define _build_id_links none

Name:           displaycal
Version:        3.9.10
Release:        %{?dist}
Summary:        DisplayCal
Provides:       displaycal
License:        GPLv2
URL:            https://github.com/eoyilmaz/displaycal-py3
Source0:        displaycal.tar.gz
Requires:       argyllcms
Requires:       python39

AutoReqProv: no

%description
DisplayCal

%prep

%setup -Tcn displaycal
tar -xvf %{SOURCE0}

%build
cd displaycal-py3

# Create virtualenv
virtualenv-3 -p python3.9 displaycal
source displaycal/bin/activate
# install missing dependencies
pip install -U virtualenv attrdict

# Install requirements
pip install -r requirements.txt
# Build displaycal
python -m build
# Install displaycal
pip install dist/DisplayCAL-*.whl

# Virtualenv clean-up
virtualenv-3 -p python3.9 --relocatable --distribute displaycal
find displaycal/ -name __pycache__ -type d -prune -exec rm -rfv '{}' +
find displaycal/ -name '*.py[oc]' -delete
find displaycal/bin \( -name 'pip*' -o -name 'easy_install*' -o -name 'python-config*' \) -exec rm -fv '{}' ';' || :
find displaycal/lib/python3.9/site-packages \( -name 'pip*' -o -name 'easy_install*' \) -exec rm -rfv '{}' ';' || :
rm -f \
        displaycal/bin/activate      \
        displaycal/bin/activate.csh  \
        displaycal/bin/activate.fish

# Additional fixes
sed -i 's|#! /usr/bin/env python|#!/usr/bin/env python3.9|' displaycal/lib/python3.9/site-packages/google/protobuf/internal/_parameterized.py

%install
cd displaycal-py3
install -d $RPM_BUILD_ROOT/mnt/nvme/opt
cp -a displaycal $RPM_BUILD_ROOT/mnt/nvme/opt/
install -d $RPM_BUILD_ROOT/mnt/nvme/opt/share
mv \
        $RPM_BUILD_ROOT/mnt/nvme/opt/displaycal/share/applications \
        $RPM_BUILD_ROOT/mnt/nvme/opt/displaycal/share/icons        \
        $RPM_BUILD_ROOT/mnt/nvme/opt/displaycal/share/man          \
        $RPM_BUILD_ROOT/mnt/nvme/opt/share/
mv $RPM_BUILD_ROOT/mnt/nvme/opt/displaycal/share $RPM_BUILD_ROOT/mnt/nvme/opt/displaycal/lib/python3.9/site-packages/
install -d $RPM_BUILD_ROOT/mnt/nvme/opt/bin
pushd $RPM_BUILD_ROOT/mnt/nvme/opt/bin
for bin in $( find ../displaycal/bin -name 'displaycal*' ); do
    ln -s "$bin" "$( basename $bin )"
done

%clean
rm -rf %{buildroot}

%files
%defattr(-,root,root,-)
/mnt/nvme/opt/displaycal/*
/mnt/nvme/opt/share/*
/mnt/nvme/opt/bin/displaycal*

%changelog
* Fri Jan 27 2023 Petr Hadraba <hadrabap@gmail.com> - 3.9.10
- Initial SPEC file