### Too complicated to provide examples here.
###
### Check situation of Python on Debian
###     https://wiki.debian.org/Python
###
###     https://wiki.debian.org/Python/TransitionToDHPython2
###     https://wiki.debian.org/Python/Pybuild
###     https://wiki.debian.org/Python/LibraryStyleGuide
###
### If a module package doesn't use distutils or setuptools but uses flit
### you need flit plugin.  See pybuild(1).
###
### Pure PEP-517 based build with "python3 -m build ..." is supported.
###
### To update the upstream source to support python3, see
###     https://wiki.python.org/moin/Python2orPython3
###     https://wiki.python.org/moin/PortingToPy3k/BilingualQuickRef

