[x3d-public] Progress on Python API all examples compile and run (but do nothing)

[John Carlson]

I give you 3 styles of Python API, and three converters from XML to Python!  Please comment on the various styles. Which one do you like best? Worst? I may end up supporting all of them, who knows?

HelloWorld attached.

Attached.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://web3d.org/pipermail/x3d-public_web3d.org/attachments/20190309/f81efbb0/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: HelloWorld.pipe.py
Type: application/octet-stream
Size: 4504 bytes
Desc: not available
URL: <http://web3d.org/pipermail/x3d-public_web3d.org/attachments/20190309/f81efbb0/attachment-0003.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: HelloWorld.serial.py
Type: application/octet-stream
Size: 4914 bytes
Desc: not available
URL: <http://web3d.org/pipermail/x3d-public_web3d.org/attachments/20190309/f81efbb0/attachment-0004.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: HelloWorld.kwargs.py
Type: application/octet-stream
Size: 3342 bytes
Desc: not available
URL: <http://web3d.org/pipermail/x3d-public_web3d.org/attachments/20190309/f81efbb0/attachment-0005.obj>