[x3d-public] Python, the emperor has no clothes!

[Don Brutzman]

Excellent catch.  As you indicated, the problem was SFNode fields had improper toXML implementation.  Now fixed, test case added to smoke tests, checked in and deployed as v0.0.26

On 4/20/2020 8:57 AM, John Carlson wrote:
> testing toXML in python.   BackgroundCollection.py works.
> 
> These don't:
> $ python HelloWorld.py
> x3d.py package loaded, have fun with X3D Graphics!
> Traceback (most recent call last):
>    File "HelloWorld.py", line 77, in <module>
>      print (     newModel.toXML())
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 6878, in toXML
>      result += str(self.Scene.toXML(indentLevel=indentLevel+1))
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 6679, in toXML
>      result += each.toXML(indentLevel=indentLevel+1)
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 19183, in toXML
>      result += each.toXML(indentLevel=indentLevel+1)
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 40543, in toXML
>      result += each.toXML(indentLevel=indentLevel+1)
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 35796, in toXML
>      for each in self.appearance:
> TypeError: 'Appearance' object is not iterable
> 
> coderextreme at DESKTOP-DOPK2VD MINGW64 /c/x3d-code/www.web3d.org/x3d/stylesheets/python/examples <http://www.web3d.org/x3d/stylesheets/python/examples>
> $ python HelloWorldPrefixed.py
> x3d.py package loaded, have fun with X3D Graphics!
> Traceback (most recent call last):
>    File "HelloWorldPrefixed.py", line 77, in <module>
>      print (     newModel.toXML())
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 6878, in toXML
>      result += str(self.Scene.toXML(indentLevel=indentLevel+1))
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 6679, in toXML
>      result += each.toXML(indentLevel=indentLevel+1)
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 19183, in toXML
>      result += each.toXML(indentLevel=indentLevel+1)
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 40543, in toXML
>      result += each.toXML(indentLevel=indentLevel+1)
>    File "C:\x3d-code\www.web3d.org <http://www.web3d.org>\x3d\stylesheets\python\examples\x3d.py", line 35796, in toXML
>      for each in self.appearance:
> TypeError: 'Appearance' object is not iterable
> 
> -----------------------
> 
> Appearance is an SFNode, so it's not a iterable.
> 
> [...]
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 http://faculty.nps.edu/brutzman