Remove %py3_build_egg and %py3_install_egg macros.

Declare the license as an SPDX expression

Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild

Update main Python to Python 3.12
https://fedoraproject.org/wiki/Changes/Python3.12

Don't assume %_smp_mflags only ever contains -jX, use -j%_smp_build_ncpus directly
Fixes: rhbz#2179149

Memoize values of macros that execute python to get their value
Fixes: rhbz#2155505

Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild

Bytecompilation: Unset $SOURCE_DATE_EPOCH when %clamp_mtime_to_source_date_epoch is not set
Bytecompilation: Pass --invalidation-mode=timestamp to compileall (on Python 3.7+)
Bytecompilation: Clamp source mtime: https://fedoraproject.org/wiki/Changes/ReproducibleBuildsClampMtimes
Bytecompilation: Compile Python files in parallel, according to %_smp_mflags

Set PYTEST_XDIST_AUTO_NUM_WORKERS=%{_smp_build_ncpus} from %pytest
pytest-xdist 3+ respects this value when -n auto is used
Expose the environment variables used by %pytest via %{py3_test_envvars}

Include pathfix.py in this package

Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild

Add "P" to %py3_shbang_opts, %py3_shbang_opts_nodash, %py3_shebang_flags
https://fedoraproject.org/wiki/Changes/PythonSafePath

Define %python3_cache_tag / %python_cache_tag, e.g. cpython-311

Update main Python to Python 3.11
https://fedoraproject.org/wiki/Changes/Python3.11

Support installing to %{_prefix} other than /usr

%py_provides: Do not generate Obsoletes for names containing parentheses