Improved RPM spec generation
This PR rebuilds the way spec files are generated, via a jinja2 template, similar to the way the Portfile
is generated. This allows provision of separate rpms for python2 and python3.
This PR rebuilds the way spec files are generated, via a jinja2 template, similar to the way the Portfile
is generated. This allows provision of separate rpms for python2 and python3.