[x3d-public] x3d.py package: Some feedback and suggestion for improvement; tuples and lists; updated x3d.py

Sat Mar 5 21:38:40 PST 2022

Don,

I've upgraded my python, x3d.py and pip as well, and here's what I get.
I'm going to set up a virtual environment next

john at DESKTOP-8OPL3IE MINGW64 /c/x3d-code/
www.web3d.org/x3d/stylesheets/python
$ python examples/HelloWorld.py
x3d.py package 4.0.60 loaded, have fun with X3D Graphics!
Python-to-XML well-formed XML document  test of XML output complete
Python-to-XML X3D 3.3 schema validation test of XML output complete
Python-to-VRML export of VRML output successful
Python-to-JSON export of JSON output successful (under development)
python x3d.py load and self-test complete for HelloWorld.py

john at DESKTOP-8OPL3IE MINGW64 /c/x3d-code/
www.web3d.org/x3d/stylesheets/python
$ unset PYTHONPATH

john at DESKTOP-8OPL3IE MINGW64 /c/x3d-code/
www.web3d.org/x3d/stylesheets/python
$ python examples/HelloWorld.py
Traceback (most recent call last):
  File "C:\x3d-code\www.web3d.org\x3d\stylesheets\python\examples\HelloWorld.py",
line 23, in <module>
    from x3d import *
ModuleNotFoundError: No module named 'x3d'

john at DESKTOP-8OPL3IE MINGW64 /c/x3d-code/
www.web3d.org/x3d/stylesheets/python
$ export PYTHONPATH=.

john at DESKTOP-8OPL3IE MINGW64 /c/x3d-code/
www.web3d.org/x3d/stylesheets/python
$ python examples/HelloWorld.py
x3d.py package 4.0.60 loaded, have fun with X3D Graphics!
Python-to-XML well-formed XML document  test of XML output complete
Python-to-XML X3D 3.3 schema validation test of XML output complete
Python-to-VRML export of VRML output successful
Python-to-JSON export of JSON output successful (under development)
python x3d.py load and self-test complete for HelloWorld.py

On Sat, Mar 5, 2022 at 11:16 PM John Carlson <yottzumm at gmail.com> wrote:

> Note despite lots of documentation on the net, I found the following handy
> for upgrading:
>
> $ python -m pip uninstall x3d
>
> Otherwise, I couldn't remove the package.
>
> Thanks!
>
> John
>
> On Sat, Mar 5, 2022 at 8:09 PM Brutzman, Donald (Don) (CIV) <
> brutzman at nps.edu> wrote:
>
>> Thanks Moritz for looking at this.  However, we can’t really expect any
>> PyPi user who types “pip install x3d” to go through such a process.
>>
>>
>>
>> Does latest version work for you? Presumably you are getting the same
>> problem… test reports are helpful.
>>
>>
>>
>> Perhaps my local installation is incorrect… am just using stock latest
>> python installer from python.org.  I will do a complete
>> uninstall/reinstall of python 3.10.latest.
>>
>>
>>
>> Our goal is simplicity.  Still trying to find right incantation in our
>> __init__.py for PyPi.
>>
>>
>>
>> all the best, Don
>>
>> --
>>
>> Don Brutzman  Naval Postgraduate School, Code USW/Br
>> brutzman at nps.edu
>>
>> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA
>> +1.831.656.2149
>>
>> X3D graphics, virtual worlds, Navy robotics https://
>> faculty.nps.edu/brutzman
>>
>>
>>
>> *From:* Hans Moritz Guenther <hgunther at mit.edu>
>> *Sent:* Friday, March 4, 2022 11:17 AM
>> *To:* Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>;
>> vmarchetti at kshell.com; X3D-Public <x3d-public at web3d.org>
>> *Cc:* John Carlson <yottzumm at gmail.com>; Peitso, Loren (CIV) <
>> lepeitso at nps.edu>
>> *Subject:* Re: [x3d-public] x3d.py package: Some feedback and suggestion
>> for improvement; tuples and lists; updated x3d.py
>>
>>
>>
>>
>>
>> On 3/1/22 10:31 PM, Brutzman, Donald (Don) (CIV) wrote:
>>
>> 5.   Bad news, still no joy.  Following “pip install x3d” and hiding
>> PYTHONPATH, the PyPi version installed via pip still fails, now saying:
>>
>>
>>
>> IT160907-UWALPP+brutzman at IT160907-UWALPP /cygdrive/c/x3d-code/
>> www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter02GeometryPrimitives
>>
>> $ python BoxExample.py
>>
>> Traceback (most recent call last):
>>
>>   File "C:\x3d-code\
>> www.web3d.org\x3d\content\examples\X3dForWebAuthors\Chapter02GeometryPrimitives\BoxExample.py
>> <http://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter02GeometryPrimitives/BoxExample.py>",
>> line 23, in <module>
>>
>>     import x3d
>>
>> ModuleNotFoundError: No module named 'x3d'
>>
>>
>>
>> That means that it's simply not finding the location where it's been
>> installed to. Depending on how your Python is installed (provided by your
>> operating system, conda, complied by hand yourself) it may be set up to
>> look at different locations by default.
>>
>> > pip show x3d
>>
>> (after running pip) should show you where the files went. How does Python
>> know where to look? Again, that depends on how it was installed. Usually,
>> that's the same place where pip installed stuff, but apparently that's not
>> the case here. Maybe the pip is not the same one as the Python. That can
>> happen when there are several Python version installed on the same system,
>> e.g. one is installed using conda and one is provided by the operating
>> system.
>>
>> Typically, they are in the same location:
>>
>>
>> (base) MoritzAirRoseGold ~> which pip
>> /Users/guenther/mambaforge/bin/pip
>> (base) MoritzAirRoseGold ~> which python
>> /Users/guenther/mambaforge/bin/python
>>
>> In that case, pip will install to a directory that python looks into when
>> using "import".
>>
>> If instead, the package is installed at a different location, then
>> PYTHONPATH should be set to the base directory of the packages, i.e. if you
>> have packages:
>>
>> /my/dir/x3d
>>
>> /my/dir/otherpackage1
>>
>> /my/dir/otherpacakge2
>>
>> then PYTHONPATH=/my/dir
>>
>> not "/my/dir/x3d" (because that way python would look for
>> /my/dir/x3d/x3d/__init__.py, so one level of x3d too many).
>>
>> Moritz
>>
>> --
>>
>> Hans Moritz Günther
>>
>> Massachusetts Institute of Technology
>>
>> Kavli Institute for Astrophysics and Space Research
>>
>> 77 Massachusetts Avenue
>>
>> NE83-569
>>
>> Cambridge, MA 02139
>>
>> hgunther at mit.edu
>>
>> https://space.mit.edu/home/guenther/ <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fspace.mit.edu%2Fhome%2Fguenther%2F&data=04%7C01%7Cbrutzman%40nps.edu%7Cf62c68bdf7ec404bce0c08d9fe139acc%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637820182762284936%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=d2TsTeesIF9UmJQYANe3csepjT2rdVVoFxagLBBcgmA%3D&reserved=0>
>>
>>
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