Merge branch 'main' of github.com:plotly/plotly.py into notebook-connected-default

Author: marthacryan

.github/workflows/test-release.yml

@@ -0,0 +1,67 @@
+name: Publish Python 🐍 distribution 📦 to PyPI and TestPyPI
+
+on:
+  workflow_dispatch
+
+jobs:
+  build:
+    name: Build distribution 📦
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        persist-credentials: false
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.x"
+    
+    - name: Install Node
+      uses: actions/setup-node@v2
+      with:
+        node-version: '18'
+
+    - name: Install npm dependencies
+      run: |
+        cd js
+        npm ci --verbose
+        npm run build --verbose
+
+    - name: Install pypa/build
+      run: >-
+        python3 -m
+        pip install
+        build
+        --user
+    - name: Build a binary wheel and a source tarball
+      run: python3 -m build
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
+
+  publish-to-testpypi:
+    name: Publish Python 🐍 distribution 📦 to TestPyPI
+    needs:
+    - build
+    runs-on: ubuntu-latest
+
+    environment:
+      name: testpypi
+      url: https://test.pypi.org/p/plotly
+
+    permissions:
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
+
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
+    - name: Publish distribution 📦 to TestPyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        repository-url: https://test.pypi.org/legacy/

CHANGELOG.md

@@ -2,6 +2,11 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## Unreleased
+
+### Fixed
+- Fix third-party widget display issues in v6 [[#5102]https://github.com/plotly/plotly.py/pull/5102]
+
 ## [6.0.1] - 2025-03-14
 
 ### Updated

plotly/basewidget.py

@@ -142,6 +142,11 @@ def __init__(
         # views of this widget
         self._view_count = 0
 
+        # Initialize widget layout and data for third-party widget integration
+        # --------------------------------------------------------------------
+        self._widget_layout = deepcopy(self._layout_obj._props)
+        self._widget_data = deepcopy(self._data)
+
     def show(self, *args, **kwargs):
         return self
 

plotly/io/_base_renderers.py

@@ -253,6 +253,7 @@ def __init__(
         auto_play=False,
         post_script=None,
         animation_opts=None,
+        include_plotlyjs=True,
     ):
 
         self.config = dict(config) if config else {}
@@ -262,6 +263,7 @@ def __init__(
         self.full_html = full_html
         self.animation_opts = animation_opts
         self.post_script = post_script
+        self.include_plotlyjs = "cdn" if self.connected else include_plotlyjs
 
     def activate(self):
         if self.global_init:
@@ -306,12 +308,7 @@ def to_mimebundle(self, fig_dict):
 
         from plotly.io import to_html
 
-        if self.connected:
-            include_plotlyjs = "cdn"
-            include_mathjax = "cdn"
-        else:
-            include_plotlyjs = True
-            include_mathjax = "cdn"
+        include_mathjax = "cdn"
 
         # build post script
         post_script = [
@@ -351,7 +348,7 @@ def to_mimebundle(self, fig_dict):
             fig_dict,
             config=self.config,
             auto_play=self.auto_play,
-            include_plotlyjs=include_plotlyjs,
+            include_plotlyjs=self.include_plotlyjs,
             include_mathjax=include_mathjax,
             post_script=post_script,
             full_html=self.full_html,
@@ -384,6 +381,7 @@ def __init__(
         auto_play=False,
         post_script=None,
         animation_opts=None,
+        include_plotlyjs=False,
     ):
         super(NotebookRenderer, self).__init__(
             connected=connected,
@@ -393,6 +391,7 @@ def __init__(
             auto_play=auto_play,
             post_script=post_script,
             animation_opts=animation_opts,
+            include_plotlyjs=include_plotlyjs,
         )
 
 
@@ -420,6 +419,7 @@ def __init__(
             auto_play=auto_play,
             post_script=post_script,
             animation_opts=animation_opts,
+            include_plotlyjs=False,
         )
 
 
@@ -447,6 +447,7 @@ def __init__(
             auto_play=auto_play,
             post_script=post_script,
             animation_opts=animation_opts,
+            include_plotlyjs=False,
         )
 
 

plotly/io/_renderers.py

@@ -50,14 +50,14 @@ def display_jupyter_version_warnings():
         return
     elif "jupyter-notebook" in parent_process:
         jupyter_notebook = optional_imports.get_module("notebook")
-        if jupyter_notebook.__version__ < "7":
+        if jupyter_notebook is not None and jupyter_notebook.__version__ < "7":
             # Add warning about upgrading notebook
             warnings.warn(
                 f"Plotly version >= 6 requires Jupyter Notebook >= 7 but you have {jupyter_notebook.__version__} installed.\n To upgrade Jupyter Notebook, please run `pip install notebook --upgrade`."
             )
     elif "jupyter-lab" in parent_process:
         jupyter_lab = optional_imports.get_module("jupyterlab")
-        if jupyter_lab.__version__ < "3":
+        if jupyter_lab is not None and jupyter_lab.__version__ < "3":
             # Add warning about upgrading jupyterlab
             warnings.warn(
                 f"Plotly version >= 6 requires JupyterLab >= 3 but you have {jupyter_lab.__version__} installed. To upgrade JupyterLab, please run `pip install jupyterlab --upgrade`."

tests/test_core/test_figure_widget_backend/test_validate_initialization.py

@@ -0,0 +1,21 @@
+from unittest import TestCase
+import plotly.graph_objs as go
+import pytest
+
+try:
+    go.FigureWidget()
+    figure_widget_available = True
+except ImportError:
+    figure_widget_available = False
+
+
+class TestInitialization(TestCase):
+    if figure_widget_available:
+
+        def test_widget_layout_present_on_init(self):
+            fig = go.FigureWidget(data=go.Scatter(x=[1, 2], y=[1, 2]))
+            assert fig._widget_layout != {}
+
+        def test_widget_data_present_on_init(self):
+            fig = go.FigureWidget(data=go.Bar(x=[1, 2], y=[1, 2]))
+            assert fig._widget_data != []