Issues with ProtoBody setter

[coderextreme]

Please check code from @ProtoBody.setter in https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/stylesheets/python/x3d.py
below (inside the isinstance() call):

    def ProtoBody(self, ProtoBody):
        if  ProtoBody is None:
            ProtoBody = None # default
        assertValidSFNode(ProtoBody)
        if not ProtoBody is None and not isinstance(ProtoBody,(ProtoBody,ProtoInstance)):
            # print(flush=True)
            raise X3DTypeError(str(ProtoBody) + ' does not match required node type (ProtoBody,ProtoInstance) and is invalid')
        self.__ProtoBody = ProtoBody

What this means to me is that ProtoBody is both being used as parameter and a type.

This has severe impact on testing X3dToPython.xslt, because nearly a third of my test files are affected.

Here is the error thrown:

$ python3 abox.py 
x3d.py package loaded, have fun with X3D Graphics!
Traceback (most recent call last):
  File "abox.py", line 35, in <module>
    ProtoDeclare(name='anyShape',
  File "/home/coderextreme/X3DJSONLD/src/main/python/net/x3djsonld/data/x3d.py", line 10239, in __init__
    self.ProtoBody = ProtoBody
  File "/home/coderextreme/X3DJSONLD/src/main/python/net/x3djsonld/data/x3d.py", line 10282, in ProtoBody
    if not ProtoBody is None and not isinstance(ProtoBody,(ProtoBody,ProtoInstance)):
TypeError: isinstance() arg 2 must be a type or tuple of types

John

[coderextreme]

coderextreme@coderextreme-Kubuntu20:/c/x3d-code/www.web3d.org/x3d/stylesheets/python$ !pip
pip install x3d
Defaulting to user installation because normal site-packages is not writeable
Requirement already satisfied: x3d in /home/coderextreme/.local/lib/python3.8/site-packages (4.0.40)
WARNING: You are using pip version 21.2.2; however, version 21.2.4 is available.
You should consider upgrading via the '/usr/bin/python3 -m pip install --upgrade pip' command.
coderextreme@coderextreme-Kubuntu20:/c/x3d-code/www.web3d.org/x3d/stylesheets/python$ 

coderextreme@coderextreme-Kubuntu20:/c/x3d-code/www.web3d.org/x3d/stylesheets/python$ unset PYTHONPATH
coderextreme@coderextreme-Kubuntu20:/c/x3d-code/www.web3d.org/x3d/stylesheets/python$ python3 examples/x3domflowers.py 
Traceback (most recent call last):
  File "examples/x3domflowers.py", line 21, in <module>
    from x3d import *
AttributeError: module 'x3d' has no attribute 'SFBool'
coderextreme@coderextreme-Kubuntu20:/c/x3d-code/www.web3d.org/x3d/stylesheets/python$ export PYTHONPATH=/c/x3d-code/www.web3d.org/x3d/stylesheets/python/x3d
coderextreme@coderextreme-Kubuntu20:/c/x3d-code/www.web3d.org/x3d/stylesheets/python$ python3 examples/x3domflowers.py 
x3d.py package loaded, have fun with X3D Graphics!
Traceback (most recent call last):
  File "examples/x3domflowers.py", line 44, in <module>
    ProtoDeclare(name='flower',
  File "/c/x3d-code/www.web3d.org/x3d/stylesheets/python/x3d/x3d.py", line 10239, in __init__
    self.ProtoBody = ProtoBody
  File "/c/x3d-code/www.web3d.org/x3d/stylesheets/python/x3d/x3d.py", line 10282, in ProtoBody
    if not ProtoBody is None and not isinstance(ProtoBody,(ProtoBody,ProtoInstance)):
TypeError: isinstance() arg 2 must be a type or tuple of types

[coderextreme]

coderextreme@coderextreme-Kubuntu20:~/X3DJSONLD/src/main/python$ source venv/bin/activate
(venv) coderextreme@coderextreme-Kubuntu20:~/X3DJSONLD/src/main/python$ pip install x3d
Requirement already satisfied: x3d in ./venv/lib/python3.8/site-packages (4.0.41)

I'm not sure why one reports version 40 and the other reports version 41. Still, the same error seems to be reported

[coderextreme]

Test file: https://github.com/Web3DConsortium/Python-SAI/blob/main/x3domflowers.py

[coderextreme]

Test file: https://github.com/Web3DConsortium/Python-SAI/blob/main/abox.py

[coderextreme]

Test file: https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Prototypes/AllenStandShootRifleM24.py