[x3d-public] Fwd: Next, in Python news...

[John Carlson]

This is a repeat.  I only saw ProtoBody setter isinstance error when 
running python generated from the X3D archives from sourceforge.

If you like, I can download a python file from the website? Okay!

On 8/24/21 10:41 PM, Brutzman, Donald (Don) (CIV) wrote:
>
> John, we have a lot of simple prototypes and prototypes with embedded 
> Script nodes in the archives that have all tested OK.
>
> If your example is that Rubiks’s cube with nested prototypes, that is 
> harder.  We believe the spec is OK but that feature is only 
> occasionally demonstrated as working.  Any model with nested 
> prototypes (ProtoDeclare within ProtoDeclare) can be easily refactored 
> by putting all of the ProtoDeclare blocks first.  Similarly it makes 
> sense to test individual ProtoInstance nodes without feeding them 
> nested ProtoInstance fields.
>
> Looking at existing examples is also good because they have passed 
> through validation.  Step by step.
>
>   * https://www.web3d.org/x3d/content/examples/X3dResources.html#Examples
>     <https://www.web3d.org/x3d/content/examples/X3dResources.html#Examples>
>
> Once again sorry I can’t pursue “deep dive” excursions at this time.  
> Am working on (a) X3D architecture Mantis editorial issues, (b) DIS 
> protocol implementation open-dis7-java, upgraded DIS support in Xj3D, 
> and just tonight got X3D-Edit building despite issues with a very old 
> laptop. Step  by step.
>
> *From:* x3d-public <x3d-public-bounces at web3d.org> *On Behalf Of *John 
> Carlson
> *Sent:* Tuesday, August 24, 2021 7:48 PM
> *To:* Joseph D Williams <joedwil at earthlink.net>
> *Cc:* X3D Graphics public mailing list <x3d-public at web3d.org>
> *Subject:* Re: [x3d-public] Fwd: Next, in Python news...
>
> Yes, you need to ‘’’pip install x3d’’’
>
> before running the provided script in previous message.   See link 
> previously posted by Joe.
>
> Thanks for confirmation of received message.
>
> The header is the top of the file. If you don’t want to run my code, 
> convert your own proto xml to python using X3dToPython.xslt.   I don’t 
> have a JSON converter for this test.
>
> The main purpose is to get proper implementation of Protos in pure 
> python.   I’m guessing it may be a wider problem with x3d.py, because 
> when I patched Protos in my version, there were further issues.   So 
> simply patching Protos won’t fix all the issues. A full roundtrip XML 
> -> python -> XML needs to be done for the archive.
>
> I’ve freed up some time to work on python, and I plan to start work on 
> a test suite soon. It would be good to get past my initial issues with 
> the package.   I can reattempt to modify the x3d package generator, 
> but that doesn’t mean my patches will be available when I am done.   
>  It still needs to go through official channels.
>
> If you’re fed up with stylesheets, I can offer a solution, but it’s 
> not as elegant or pythonic and uses Java.   As far as I can tell, XSLT 
> is the declarative transformer of choice for XML.
>
> The main thing I think needs to be done is handle cases where 
> parameters and classes have the same case sensitive name.
>
> If people want to contribute to x3d.py project, now’s your chance.   
> I’m fairly sure the python binding needs to be standardized.
>
> I know pretty much everyone has been covidized.
>
> After spinning up python, I’ll return to C++ if there’s enough code 
> separated from the standard.
>
> John
>
> On Tue, Aug 24, 2021 at 8:55 PM Joseph D Williams 
> <joedwil at earthlink.net <mailto:joedwil at earthlink.net>> wrote:
>
>     # Now available: developmental python x3d.py package on PyPi for
>     import.
>
>     # This approach greatly simplifies Python X3D deployment and use.
>
>     # https://pypi.org/project/x3d
>     <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpypi.org%2Fproject%2Fx3d&data=04%7C01%7Cbrutzman%40nps.edu%7C72693df0fce44ec3ba3408d96772eba5%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637654565985912019%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Sw68kSJJKNZaBcGFk4Up3toP5CkFxSgiUQASR49Cfos%3D&reserved=0>
>
>     The text got here as attachment
>
>     Joe
>
>     *From: *John Carlson <mailto:yottzumm at gmail.com>
>     *Sent: *Tuesday, August 24, 2021 3:00 PM
>     *To: *Don Brutzman <mailto:brutzman at nps.edu>; X3D Graphics public
>     mailing list <mailto:x3d-public at web3d.org>
>     *Subject: *[x3d-public] Fwd: Next, in Python news...
>
>     Resend of non-working python code.   No rush,    I don’t want
>     anyone to be surprised.  I do want someone to confirm receipt of
>     email.   I’m guessing things are going to spam?
>
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