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Description
Hi,
First of all, thank you all for your great work !!
I'm upgrading from an old Python 3.8 venv but unfortunately I get this message when I try to open a viewer in my notebooks.
For now, I'm completely stuck but as I understood, the "XYZ" value of the Euler rotation gets lowercased somewhere during the Jupyter traits/session/zmqstream/socket communication. It could be during any of the cast, from_json, to_json, send_multipart or recv_multipart steps but I have not managed to find which one :( and I get the same TraitError for any other version of python/occt/ifcopenshell...
Does anyone also experience this or did I miss something?
Here is the venv :
#conda env export --from-history
name: ifc_viewer_311
channels:
- defaults
dependencies:
- pythonocc-core[build=*novtk*]
- lark
- occt=7.7.2
- ifcopenshell
- python=3.11
- jsonpath-ng
- pythreejs
- vpython
- cmasher
- ipywidgets
- ipympl
- matplotlib
- traitlets
- jupyterlab
- scipy
- pandas
- tornado
Here is an example to get the error:
import ifcopenshell
import ifcopenshell.geom
settings = ifcopenshell.geom.settings()
settings.set(settings.USE_PYTHON_OPENCASCADE, True)
from OCC.Display.WebGl.jupyter_renderer import JupyterRenderer as Renderer
class ifc_viewer(Renderer):
def __init__(self):
Renderer.__init__(self)
self.products = []
@staticmethod
def subshapes(shp):
import OCC.Core.TopoDS
it = OCC.Core.TopoDS.TopoDS_Iterator(shp)
while it.More():
yield it.Value()
it.Next()
def DisplayShape(self, product, shp, color):
for shp, sty in zip(self.subshapes(shp), color):
Renderer.DisplayShape(self, shp, shape_color=sty[0:3], render_edges=True, transparency=True)
self.products.append(product)
def onclick(self, item):
self.html.value = "Selected %r" % self.products[int(item.name)]
file = ifcopenshell.open("YOUR_IFC_FILE.ifc")
geometry = dict((file[item.data.id], (item.geometry, item.styles)) for item in ifcopenshell.geom.iterator(settings, file))
viewer = ifc_viewer()
for product, (shape, styles) in geometry.items():
viewer.DisplayShape(product, shape, styles)
viewer.Display()Here is the output
---------------------------------------------------------------------------
TraitError Traceback (most recent call last)
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\ipywidgets\widgets\widget.py:773, in Widget._handle_msg(self, msg)
771 if 'buffer_paths' in data:
772 _put_buffers(state, data['buffer_paths'], msg['buffers'])
--> 773 self.set_state(state)
775 # Handle a state request.
776 elif method == 'request_state':
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\ipywidgets\widgets\widget.py:655, in Widget.set_state(self, sync_data)
652 if name in self.keys:
653 from_json = self.trait_metadata(name, 'from_json',
654 self._trait_from_json)
--> 655 self.set_trait(name, from_json(sync_data[name], self))
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:1764, in HasTraits.set_trait(self, name, value)
1762 if not self.has_trait(name):
1763 raise TraitError(f"Class {cls.__name__} does not have a trait named {name}")
-> 1764 getattr(cls, name).set(self, value)
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:690, in TraitType.set(self, obj, value)
689 def set(self, obj: HasTraits, value: S) -> None:
--> 690 new_value = self._validate(obj, value)
691 assert self.name is not None
692 try:
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:722, in TraitType._validate(self, obj, value)
720 return value
721 if hasattr(self, "validate"):
--> 722 value = self.validate(obj, value)
723 if obj._cross_validation_lock is False:
724 value = self._cross_validate(obj, value)
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:3482, in Container.validate(self, obj, value)
3479 if value is None:
3480 return value
-> 3482 value = self.validate_elements(obj, value)
3484 return t.cast(T, value)
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:3823, in Tuple.validate_elements(self, obj, value)
3821 v = trait._validate(obj, v)
3822 except TraitError as error:
-> 3823 self.error(obj, v, error)
3824 else:
3825 validated.append(v)
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:810, in TraitType.error(self, obj, value, error, info)
801 else:
802 error.args = (
803 "The '{}' trait contains {} which " "expected {}, not {}.".format(
804 self.name,
(...)
808 ),
809 )
--> 810 raise error
812 # this trait caused an error
813 if self.name is None:
814 # this is not the root trait
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:3821, in Tuple.validate_elements(self, obj, value)
3819 for trait, v in zip(self._traits, value):
3820 try:
-> 3821 v = trait._validate(obj, v)
3822 except TraitError as error:
3823 self.error(obj, v, error)
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:722, in TraitType._validate(self, obj, value)
720 return value
721 if hasattr(self, "validate"):
--> 722 value = self.validate(obj, value)
723 if obj._cross_validation_lock is False:
724 value = self._cross_validate(obj, value)
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:3224, in Enum.validate(self, obj, value)
3222 if self.values and value in self.values:
3223 return t.cast(G, value)
-> 3224 self.error(obj, value)
File D:\Anaconda3\envs\ifc_viewer_311\Lib\site-packages\traitlets\traitlets.py:815, in TraitType.error(self, obj, value, error, info)
812 # this trait caused an error
813 if self.name is None:
814 # this is not the root trait
--> 815 raise TraitError(value, info or self.info(), self)
817 # this is the root trait
818 if obj is not None:
TraitError: The 'rotation' trait of a GridHelper instance contains an Enum of an Euler which expected any of ['XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX'], not the str 'xyz'.Thank you for your help.