itkwidgets functions not working in spyder-notebook

[sabino-ramirez]

Description of your problem

Itkwidgets functions not working in spyder-notebook environment.
What steps will reproduce the problem?

1. Install spyder using mambaforge
2. Load notebook using itkwidgets functions (view, compare, etc)
3. Run cells. No graphical results.

What is the expected output? What do you see instead?
Expected to see visual result for the itkwidgets calls. Instead, output is a text result of the internal viewer call with its parameters; but no graphical results.

Please provide any additional information below (stack trace, screenshots, a gif, etc)
Expected result:

Current output in spyder:

Versions and main components

• Spyder Version: 5.4.2
• Python Version: 3.11.0
• Qt Version: 5.15.8
• PyQt Version: 5.15.6
• Jupyter Notebook Version: 6.4.12
• Operating system: Ubuntu 22.04.2 LTS

Dependencies

Please go to the menu entry Help > Optional Dependencies (or
Help > Dependencies), press the button Copy to clipboard
and paste the contents below:

Mandatory:

atomicwrites >=1.2.0 : 1.4.1 (OK)
chardet >=2.0.0 : 5.1.0 (OK)
cloudpickle >=0.5.0 : 2.2.1 (OK)
cookiecutter >=1.6.0 : 2.1.1 (OK)
diff_match_patch >=20181111 : 20200713 (OK)
intervaltree >=3.0.2 : 3.0.2 (OK)
IPython >=7.31.1;<9.0.0 : 8.11.0 (OK)
jedi >=0.17.2;<0.19.0 : 0.18.2 (OK)
jellyfish >=0.7 : 0.9.0 (OK)
jsonschema >=3.2.0 : 4.17.3 (OK)
keyring >=17.0.0 : 23.13.1 (OK)
nbconvert >=4.0 : 7.2.9 (OK)
numpydoc >=0.6.0 : 1.5.0 (OK)
parso >=0.7.0;<0.9.0 : 0.8.3 (OK)
pexpect >=4.4.0 : 4.8.0 (OK)
pickleshare >=0.4 : 0.7.5 (OK)
psutil >=5.3 : 5.9.4 (OK)
pygments >=2.0 : 2.14.0 (OK)
pylint >=2.5.0;<3.0 : 2.17.1 (OK)
pylint_venv >=2.1.1 : 3.0.1 (OK)
pyls_spyder >=0.4.0 : 0.4.0 (OK)
pylsp >=1.7.1;<1.8.0 : 1.7.1 (OK)
pylsp_black >=1.2.0 : 1.2.1 (OK)
qdarkstyle >=3.0.2;<3.1.0 : 3.0.3 (OK)
qstylizer >=0.2.2 : 0.2.2 (OK)
qtawesome >=1.2.1 : 1.2.3 (OK)
qtconsole >=5.4.0;<5.5.0 : 5.4.1 (OK)
qtpy >=2.1.0 : 2.3.0 (OK)
rtree >=0.9.7 : 1.0.1 (OK)
setuptools >=49.6.0 : 67.6.0 (OK)
sphinx >=0.6.6 : 6.1.3 (OK)
spyder_kernels >=2.4.2;<2.5.0 : 2.4.2 (OK)
textdistance >=4.2.0 : 4.5.0 (OK)
three_merge >=0.1.1 : 0.1.1 (OK)
watchdog >=0.10.3 : 3.0.0 (OK)
xdg >=0.26 : 0.28 (OK)
zmq >=22.1.0 : 25.0.2 (OK)

Optional:

cython >=0.21 : None (NOK)
matplotlib >=3.0.0 : 3.7.1 (OK)
numpy >=1.7 : 1.24.2 (OK)
pandas >=1.1.1 : None (NOK)
scipy >=0.17.0 : None (NOK)
sympy >=0.7.3 : None (NOK)

Spyder plugins:

spyder_notebook.notebookplugin 0.4.0 : 0.4.0 (OK)
spyder_vim.spyder.plugin 0.1.0 : 0.1.0 (OK)

[ccordoba12]

Hey @sabino-ramirez, thanks for reporting. We're working to improve the situation regarding widgets in Spyder-notebook (see #396), but it'll take between three to six months until that work is finally released.

[jitseniesen]

I suspect this works since spyder-notebook 0.5 but I can't get itkwidgets to work, so would it please be possible for you to test whether it works after you update spyder-notebook?