From d48292749a6ae7f56320047018a3762f6bbfa9a0 Mon Sep 17 00:00:00 2001
From: liamb27 <157428166+liamb27@users.noreply.github.com>
Date: Sun, 31 Mar 2024 23:57:39 -0700
Subject: [PATCH 01/15] Update Widget List.ipynb

Example for FloatLogSlider labeled min and max in reverse order; changed it so it is correct.
---
 docs/source/examples/Widget List.ipynb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/source/examples/Widget List.ipynb b/docs/source/examples/Widget List.ipynb
index 57164f6015..9df098100d 100644
--- a/docs/source/examples/Widget List.ipynb	
+++ b/docs/source/examples/Widget List.ipynb	
@@ -169,8 +169,8 @@
     "widgets.FloatLogSlider(\n",
     "    value=10,\n",
     "    base=10,\n",
-    "    min=-10, # max exponent of base\n",
-    "    max=10, # min exponent of base\n",
+    "    min=-10, # min exponent of base\n",
+    "    max=10, # max exponent of base\n",
     "    step=0.2, # exponent step\n",
     "    description='Log Slider'\n",
     ")"

From 3fec38a0e44e95664c6822322a803f925249f9eb Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Sun, 26 May 2024 10:07:46 +1000
Subject: [PATCH 02/15] Update package imports 1. @lumino/messaging ^2.1 should
 be ^2.0.1 2. @lumino/messaging ^2.1 should be ^2.0.1 3.
 istanbul-instrumenter-loader is not maintaned for 6 years

---
 packages/base-manager/package.json     |  1 -
 packages/base/package.json             |  3 +--
 packages/controls/package.json         |  7 +++----
 packages/html-manager/package.json     |  2 +-
 python/jupyterlab_widgets/package.json | 11 +++++++++++
 python/widgetsnbextension/package.json |  2 +-
 6 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/packages/base-manager/package.json b/packages/base-manager/package.json
index 41dcbd1f21..3921c38873 100644
--- a/packages/base-manager/package.json
+++ b/packages/base-manager/package.json
@@ -50,7 +50,6 @@
     "chai": "^4.0.0",
     "chai-as-promised": "^7.0.0",
     "expect.js": "^0.3.1",
-    "istanbul-instrumenter-loader": "^3.0.1",
     "karma": "^6.3.3",
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage": "^2.0.3",
diff --git a/packages/base/package.json b/packages/base/package.json
index bc576c14f7..54e434f145 100644
--- a/packages/base/package.json
+++ b/packages/base/package.json
@@ -35,7 +35,7 @@
   "dependencies": {
     "@jupyterlab/services": "^6.0.0 || ^7.0.0",
     "@lumino/coreutils": "^1.11.1 || ^2.1",
-    "@lumino/messaging": "^1.10.1 || ^2.1",
+    "@lumino/messaging": "^1.10.1 || ^2.0.1",
     "@lumino/widgets": "^1.30.0 || ^2.1",
     "@types/backbone": "1.4.14",
     "@types/lodash": "^4.14.134",
@@ -55,7 +55,6 @@
     "chai": "^4.0.0",
     "chai-as-promised": "^7.0.0",
     "expect.js": "^0.3.1",
-    "istanbul-instrumenter-loader": "^3.0.1",
     "karma": "^6.3.3",
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage": "^2.0.3",
diff --git a/packages/controls/package.json b/packages/controls/package.json
index 8c1d90f663..3ad03c66a2 100644
--- a/packages/controls/package.json
+++ b/packages/controls/package.json
@@ -34,10 +34,10 @@
     "test:unit:ie": "npm run test:unit:default -- --browsers=IE"
   },
   "dependencies": {
-    "@jupyter-widgets/base": "^6.0.8",
-    "@lumino/algorithm": "^1.9.1 || ^2.1",
+    "@jupyter-widgets/base": "^6.0.7",
+    "@lumino/algorithm": "^1.9.2 || ^2.0.1",
     "@lumino/domutils": "^1.8.1 || ^2.1",
-    "@lumino/messaging": "^1.10.1 || ^2.1",
+    "@lumino/messaging": "^1.10.1 || ^2.0.1",
     "@lumino/signaling": "^1.10.1 || ^2.1",
     "@lumino/widgets": "^1.30.0 || ^2.1",
     "d3-color": "^3.0.1",
@@ -57,7 +57,6 @@
     "chai": "^4.0.0",
     "css-loader": "^6.5.1",
     "expect.js": "^0.3.1",
-    "istanbul-instrumenter-loader": "^3.0.1",
     "karma": "^6.3.3",
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage": "^2.0.3",
diff --git a/packages/html-manager/package.json b/packages/html-manager/package.json
index aed9619ec9..8fbc380345 100644
--- a/packages/html-manager/package.json
+++ b/packages/html-manager/package.json
@@ -44,7 +44,7 @@
     "@jupyterlab/outputarea": "^3.0.0 || ^4.0.0",
     "@jupyterlab/rendermime": "^3.0.0 || ^4.0.0",
     "@jupyterlab/rendermime-interfaces": "^3.0.0 || ^4.0.0",
-    "@lumino/messaging": "^1.10.1 || ^2.1",
+    "@lumino/messaging": "^1.10.1 || ^2.0.1",
     "@lumino/widgets": "^1.30.0 || ^2.1",
     "ajv": "^8.6.0",
     "jquery": "^3.1.1"
diff --git a/python/jupyterlab_widgets/package.json b/python/jupyterlab_widgets/package.json
index 71fafd5410..412c8b463a 100644
--- a/python/jupyterlab_widgets/package.json
+++ b/python/jupyterlab_widgets/package.json
@@ -93,5 +93,16 @@
     "extension": true,
     "outputDir": "labextension",
     "schemaDir": "./schema"
+  },
+  "optionalDependencies": {
+    "react": "^18.3.1"
+  },
+  "peerDependencies": {
+    "react": "*"
+  },
+  "peerDependenciesMeta": {
+    "react": {
+      "optional": true
+    }
   }
 }
diff --git a/python/widgetsnbextension/package.json b/python/widgetsnbextension/package.json
index 502030aa7f..f5610f081d 100644
--- a/python/widgetsnbextension/package.json
+++ b/python/widgetsnbextension/package.json
@@ -28,7 +28,7 @@
     "@jupyter-widgets/html-manager": "^1.0.11",
     "@jupyter-widgets/output": "^6.0.8",
     "@jupyterlab/services": "^6.0.0 || ^7.0.0",
-    "@lumino/messaging": "^1.10.1 || ^2.1",
+    "@lumino/messaging": "^1.10.1 || ^2.0.1",
     "@lumino/widgets": "^1.30.0 || ^2.1",
     "backbone": "1.4.0"
   },

From 2baf3d663ee8c9c33b805fe96ceea6534702960b Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Sun, 26 May 2024 10:25:17 +1000
Subject: [PATCH 03/15] Fix/unify tooltips.

---
 packages/base/src/widget.ts                      | 10 ++++++++--
 packages/controls/src/widget_bool.ts             | 13 +++++--------
 packages/controls/src/widget_description.ts      |  3 ++-
 packages/controls/src/widget_selection.ts        |  8 ++------
 packages/controls/src/widget_string.ts           | 16 ++++------------
 .../ipywidgets/widgets/widget_output.py          |  1 +
 6 files changed, 22 insertions(+), 29 deletions(-)

diff --git a/packages/base/src/widget.ts b/packages/base/src/widget.ts
index aea060fc8d..f4e450b341 100644
--- a/packages/base/src/widget.ts
+++ b/packages/base/src/widget.ts
@@ -1096,14 +1096,20 @@ export class DOMWidgetView extends WidgetView {
   }
 
   updateTooltip(): void {
-    const title = this.model.get('tooltip');
+    const title = this.tooltip;
     if (!title) {
       this.el.removeAttribute('title');
-    } else if (this.model.get('description').length === 0) {
+    } else if (!this.model.get('description')) {
       this.el.setAttribute('title', title);
     }
   }
 
+  get tooltip() {
+    return (
+      this.model.get('tooltip') ?? (this.model.get('description'))
+    );
+  }
+
   /**
    * Update the DOM classes applied to an element, default to this.el.
    */
diff --git a/packages/controls/src/widget_bool.ts b/packages/controls/src/widget_bool.ts
index a08d9ff693..bb7e0ee72a 100644
--- a/packages/controls/src/widget_bool.ts
+++ b/packages/controls/src/widget_bool.ts
@@ -153,8 +153,7 @@ export class CheckboxView extends DescriptionView {
       this.descriptionSpan.textContent = description;
     }
     this.typeset(this.descriptionSpan);
-    this.descriptionSpan.title = description;
-    this.checkbox.title = description;
+    this.updateTooltip();
   }
 
   /**
@@ -181,13 +180,11 @@ export class CheckboxView extends DescriptionView {
   }
 
   updateTooltip(): void {
+    super.updateTooltip();
     if (!this.checkbox) return; // we might be constructing the parent
-    const title = this.model.get('tooltip');
-    if (!title) {
-      this.checkbox.removeAttribute('title');
-    } else if (this.model.get('description').length === 0) {
-      this.checkbox.setAttribute('title', title);
-    }
+    const title = this.tooltip;
+    this.checkbox.setAttribute('title', title);
+    this.descriptionSpan.setAttribute('title', title);
   }
 
   events(): { [e: string]: string } {
diff --git a/packages/controls/src/widget_description.ts b/packages/controls/src/widget_description.ts
index 2b0ccdcf7f..67aec82c32 100644
--- a/packages/controls/src/widget_description.ts
+++ b/packages/controls/src/widget_description.ts
@@ -98,8 +98,9 @@ export class DescriptionView extends DOMWidgetView {
   }
 
   updateTooltip(): void {
+    super.updateTooltip();
     if (!this.label) return;
-    this.label.title = this.model.get('tooltip');
+    this.label.title = this.tooltip;
   }
 
   label: HTMLLabelElement;
diff --git a/packages/controls/src/widget_selection.ts b/packages/controls/src/widget_selection.ts
index 11174799cd..5eb37e2752 100644
--- a/packages/controls/src/widget_selection.ts
+++ b/packages/controls/src/widget_selection.ts
@@ -68,13 +68,9 @@ export class SelectionView extends DescriptionView {
   }
 
   updateTooltip(): void {
+    super.updateTooltip();
     if (!this.listbox) return; // we might be constructing the parent
-    const title = this.model.get('tooltip');
-    if (!title) {
-      this.listbox.removeAttribute('title');
-    } else if (this.model.get('description').length === 0) {
-      this.listbox.setAttribute('title', title);
-    }
+    this.listbox.setAttribute('title', this.tooltip);
   }
 
   listbox: HTMLSelectElement;
diff --git a/packages/controls/src/widget_string.ts b/packages/controls/src/widget_string.ts
index 4bdef6c28d..3c708398d8 100644
--- a/packages/controls/src/widget_string.ts
+++ b/packages/controls/src/widget_string.ts
@@ -379,13 +379,9 @@ export class TextareaView extends StringView {
   }
 
   updateTooltip(): void {
+    super.updateTooltip();
     if (!this.textbox) return; // we might be constructing the parent
-    const title = this.model.get('tooltip');
-    if (!title) {
-      this.textbox.removeAttribute('title');
-    } else if (this.model.get('description').length === 0) {
-      this.textbox.setAttribute('title', title);
-    }
+    this.textbox.setAttribute('title', this.tooltip);
   }
 
   events(): { [e: string]: string } {
@@ -505,13 +501,9 @@ export class TextView extends StringView {
   }
 
   updateTooltip(): void {
+    super.updateTooltip();
     if (!this.textbox) return; // we might be constructing the parent
-    const title = this.model.get('tooltip');
-    if (!title) {
-      this.textbox.removeAttribute('title');
-    } else if (this.model.get('description').length === 0) {
-      this.textbox.setAttribute('title', title);
-    }
+    this.textbox.setAttribute('title', this.tooltip);
   }
 
   update(options?: any): void {
diff --git a/python/ipywidgets/ipywidgets/widgets/widget_output.py b/python/ipywidgets/ipywidgets/widgets/widget_output.py
index 150ac93471..c8729d9fed 100644
--- a/python/ipywidgets/ipywidgets/widgets/widget_output.py
+++ b/python/ipywidgets/ipywidgets/widgets/widget_output.py
@@ -59,6 +59,7 @@ def func():
 
     msg_id = Unicode('', help="Parent message id of messages to capture").tag(sync=True)
     outputs = TypedTuple(trait=Dict(), help="The output messages synced from the frontend.").tag(sync=True)
+    tooltip = Unicode('', allow_none=True, help="A tooltip caption.").tag(sync=True)
 
     __counter = 0
 

From 53adf7572c494f9d74a1c064aae505a38ab2fc75 Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Sun, 26 May 2024 10:28:06 +1000
Subject: [PATCH 04/15] DirectionalLinkModel - remove link to source and target
 on cleanup.

---
 packages/controls/src/widget_link.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/controls/src/widget_link.ts b/packages/controls/src/widget_link.ts
index 2b90330e41..7de1904898 100644
--- a/packages/controls/src/widget_link.ts
+++ b/packages/controls/src/widget_link.ts
@@ -85,9 +85,12 @@ export class DirectionalLinkModel extends CoreWidgetModel {
         undefined
       );
       this.stopListening(this.sourceModel, 'destroy', undefined);
+      this.set('source', [null, '']);
     }
     if (this.targetModel) {
       this.stopListening(this.targetModel, 'destroy', undefined);
+      this.set('target', [null, '']);
+      this.save_changes();
     }
   }
 

From b9d043e1bb4b2ff48d35843e44eeeb79485c94c7 Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Sun, 26 May 2024 10:39:20 +1000
Subject: [PATCH 05/15] Add weakref with opt in automatic widget deletion using
 'enable_weakreference'.

---
 .../ipywidgets/ipywidgets/widgets/__init__.py |   2 +-
 .../ipywidgets/widgets/tests/test_widget.py   | 173 +++++++++++++++++-
 .../widgets/tests/test_widget_box.py          |  92 ++++++++--
 .../ipywidgets/ipywidgets/widgets/widget.py   | 159 ++++++++++------
 4 files changed, 350 insertions(+), 76 deletions(-)

diff --git a/python/ipywidgets/ipywidgets/widgets/__init__.py b/python/ipywidgets/ipywidgets/widgets/__init__.py
index b90d3ee111..0951bad905 100644
--- a/python/ipywidgets/ipywidgets/widgets/__init__.py
+++ b/python/ipywidgets/ipywidgets/widgets/__init__.py
@@ -1,7 +1,7 @@
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 
-from .widget import Widget, CallbackDispatcher, register, widget_serialization
+from .widget import Widget, CallbackDispatcher, register, widget_serialization, enable_weakreference, disable_weakreference
 from .domwidget import DOMWidget
 from .valuewidget import ValueWidget
 
diff --git a/python/ipywidgets/ipywidgets/widgets/tests/test_widget.py b/python/ipywidgets/ipywidgets/widgets/tests/test_widget.py
index c5aa36048a..34fd9402a2 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/test_widget.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/test_widget.py
@@ -3,17 +3,21 @@
 
 """Test Widget."""
 
+import copy
+import gc
 import inspect
+import weakref
 
 import pytest
 from IPython.core.interactiveshell import InteractiveShell
 from IPython.display import display
 from IPython.utils.capture import capture_output
 
+import ipywidgets as ipw
+
 from .. import widget
 from ..widget import Widget
 from ..widget_button import Button
-import copy
 
 
 def test_no_widget_view():
@@ -88,4 +92,169 @@ def test_widget_copy():
     with pytest.raises(NotImplementedError):
         copy.copy(button)
     with pytest.raises(NotImplementedError):
-        copy.deepcopy(button)
\ No newline at end of file
+        copy.deepcopy(button)
+
+
+def test_widget_open():
+    button = Button()
+    model_id = button.model_id
+    assert model_id in widget._instances
+    spec = button.get_view_spec()
+    assert list(spec) == ["version_major", "version_minor", "model_id"]
+    assert spec["model_id"]
+    button.close()
+    assert model_id not in widget._instances
+    with pytest.raises(RuntimeError, match="Widget is closed"):
+        button.open()
+    with pytest.raises(RuntimeError, match="Widget is closed"):
+        button.get_view_spec()
+
+
+@pytest.mark.parametrize(
+    "class_name",
+    [
+        "Accordion",
+        "AppLayout",
+        "Audio",
+        "BoundedFloatText",
+        "BoundedIntText",
+        "Box",
+        "Button",
+        "ButtonStyle",
+        "Checkbox",
+        "ColorPicker",
+        "ColorsInput",
+        "Combobox",
+        "Controller",
+        "CoreWidget",
+        "DOMWidget",
+        "DatePicker",
+        "DatetimePicker",
+        "Dropdown",
+        "FileUpload",
+        "FloatLogSlider",
+        "FloatProgress",
+        "FloatRangeSlider",
+        "FloatSlider",
+        "FloatText",
+        "FloatsInput",
+        "GridBox",
+        "HBox",
+        "HTML",
+        "HTMLMath",
+        "Image",
+        "IntProgress",
+        "IntRangeSlider",
+        "IntSlider",
+        "IntText",
+        "IntsInput",
+        "Label",
+        "Layout",
+        "NaiveDatetimePicker",
+        "Output",
+        "Password",
+        "Play",
+        "RadioButtons",
+        "Select",
+        "SelectMultiple",
+        "SelectionRangeSlider",
+        "SelectionSlider",
+        "SliderStyle",
+        "Stack",
+        "Style",
+        "Tab",
+        "TagsInput",
+        "Text",
+        "Textarea",
+        "TimePicker",
+        "ToggleButton",
+        "ToggleButtons",
+        "ToggleButtonsStyle",
+        "TwoByTwoLayout",
+        "VBox",
+        "Valid",
+        "ValueWidget",
+        "Video",
+        "Widget",
+    ],
+)
+@pytest.mark.parametrize("enable_weakref", [True, False])
+def test_weakreference(class_name, enable_weakref):
+    # Ensure the base instance of all widgets can be deleted / garbage collected.
+    if enable_weakref:
+        ipw.enable_weakreference()
+    cls = getattr(ipw, class_name)
+    if class_name in ['SelectionRangeSlider', 'SelectionSlider']:
+        kwgs = {"options": [1, 2, 4]}
+    else:
+        kwgs = {}
+    try:
+        w = cls(**kwgs)
+        deleted = False
+        def on_delete():
+            nonlocal deleted
+            deleted = True
+        weakref.finalize(w, on_delete)
+        # w should be the only strong ref to the widget.
+        # calling `del` should invoke its immediate deletion calling the `__del__` method.
+        if not enable_weakref:
+            w.close()
+        del w
+        gc.collect()
+        assert deleted
+    finally:
+        if enable_weakref:
+            ipw.disable_weakreference()
+
+
+@pytest.mark.parametrize("weakref_enabled", [True, False])
+def test_button_weakreference(weakref_enabled: bool):
+    try:
+        click_count = 0
+        deleted = False
+
+        def on_delete():
+            nonlocal deleted
+            deleted = True
+
+        class TestButton(Button):
+            def my_click(self, b):
+                nonlocal click_count
+                click_count += 1
+
+        b = TestButton(description="button")
+        weakref.finalize(b, on_delete)
+        b_ref = weakref.ref(b)
+        assert b in widget._instances.values()
+
+        b.on_click(b.my_click)
+        b.on_click(lambda x: setattr(x, "clicked", True))
+
+        b.click()
+        assert click_count == 1
+
+        if weakref_enabled:
+            ipw.enable_weakreference()
+            assert b in widget._instances.values(), "Instances not transferred"
+            ipw.disable_weakreference()
+            assert b in widget._instances.values(), "Instances not transferred"
+            ipw.enable_weakreference()
+            assert b in widget._instances.values(), "Instances not transferred"
+
+        b.click()
+        assert click_count == 2
+        assert getattr(b, "clicked")
+
+        del b
+        gc.collect()
+        if weakref_enabled:
+            assert deleted
+        else:
+            assert not deleted
+            assert b_ref() in widget._instances.values()
+            b_ref().close()
+            gc.collect()
+            assert deleted, "Closing should remove the last strong reference."
+
+    finally:
+        ipw.disable_weakreference()
diff --git a/python/ipywidgets/ipywidgets/widgets/tests/test_widget_box.py b/python/ipywidgets/ipywidgets/widgets/tests/test_widget_box.py
index 551f68dcc4..5d50324d08 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/test_widget_box.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/test_widget_box.py
@@ -1,33 +1,85 @@
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 
-from unittest import TestCase
+import gc
+import weakref
 
+import pytest
 from traitlets import TraitError
 
 import ipywidgets as widgets
 
 
-class TestBox(TestCase):
+def test_box_construction():
+    box = widgets.Box()
+    assert box.get_state()["children"] == []
 
-    def test_construction(self):
-        box = widgets.Box()
-        assert box.get_state()['children'] == []
 
-    def test_construction_with_children(self):
-        html = widgets.HTML('some html')
-        slider = widgets.IntSlider()
-        box = widgets.Box([html, slider])
-        children_state = box.get_state()['children']
-        assert children_state == [
-            widgets.widget._widget_to_json(html, None),
-            widgets.widget._widget_to_json(slider, None),
-        ]
+def test_box_construction_with_children():
+    html = widgets.HTML("some html")
+    slider = widgets.IntSlider()
+    box = widgets.Box([html, slider])
+    children_state = box.get_state()["children"]
+    assert children_state == [
+        widgets.widget._widget_to_json(html, None),
+        widgets.widget._widget_to_json(slider, None),
+    ]
 
-    def test_construction_style(self):
-        box = widgets.Box(box_style='warning')
-        assert box.get_state()['box_style'] == 'warning'
 
-    def test_construction_invalid_style(self):
-        with self.assertRaises(TraitError):
-            widgets.Box(box_style='invalid')
+def test_box_construction_style():
+    box = widgets.Box(box_style="warning")
+    assert box.get_state()["box_style"] == "warning"
+
+
+def test_construction_invalid_style():
+    with pytest.raises(TraitError):
+        widgets.Box(box_style="invalid")
+
+
+def test_box_validate_mode():
+    slider = widgets.IntSlider()
+    closed_button = widgets.Button()
+    closed_button.close()
+    with pytest.raises(TraitError, match="Invalid or closed items found.*"):
+        widgets.Box(
+        children=[closed_button, slider, "Not a widget"]
+        )
+    box = widgets.Box(
+        children=[closed_button, slider, "Not a widget"],
+        validate_mode="log_error",
+    )
+    assert len (box.children) == 1, "Invalid items should be dropped."
+    assert slider in box.children
+
+    box.validate_mode = "raise"
+    with pytest.raises(TraitError):
+        box.children += ("Not a widget", closed_button)
+
+
+def test_box_gc():
+    widgets.VBox._active_widgets
+    widgets.enable_weakreference()
+    # Test Box gc collected and children lifecycle managed.
+    try:
+        deleted = False
+
+        class TestButton(widgets.Button):
+            def my_click(self, b):
+                pass
+
+        button = TestButton(description="button")
+        button.on_click(button.my_click)
+
+        b = widgets.VBox(children=[button])
+
+        def on_delete():
+            nonlocal deleted
+            deleted = True
+
+        weakref.finalize(b, on_delete)
+        del b
+        gc.collect()
+        assert deleted
+        widgets.VBox._active_widgets
+    finally:
+        widgets.disable_weakreference()
diff --git a/python/ipywidgets/ipywidgets/widgets/widget.py b/python/ipywidgets/ipywidgets/widgets/widget.py
index 2dc674097d..e90cdfea5d 100644
--- a/python/ipywidgets/ipywidgets/widgets/widget.py
+++ b/python/ipywidgets/ipywidgets/widgets/widget.py
@@ -6,13 +6,13 @@
 in the Jupyter notebook front-end.
 """
 import os
-import sys
 import typing
+import weakref
 from contextlib import contextmanager
 from collections.abc import Iterable
 from IPython import get_ipython
 from traitlets import (
-    Any, HasTraits, Unicode, Dict, Instance, List, Int, Set, Bytes, observe, default, Container,
+    Any, HasTraits, Unicode, Dict, Instance, List, Int, Set, observe, default, Container,
     Undefined)
 from json import loads as jsonloads, dumps as jsondumps
 from .. import comm
@@ -41,17 +41,39 @@ def envset(name, default):
 PROTOCOL_VERSION_MAJOR = __protocol_version__.split('.')[0]
 CONTROL_PROTOCOL_VERSION_MAJOR = __control_protocol_version__.split('.')[0]
 JUPYTER_WIDGETS_ECHO = envset('JUPYTER_WIDGETS_ECHO', default=True)
-# we keep a strong reference for every widget created, for a discussion on using weak references see:
+# for a discussion on using weak references see:
 #  https://github.com/jupyter-widgets/ipywidgets/issues/1345
 _instances : typing.MutableMapping[str, "Widget"] = {}
 
+def enable_weakreference():
+    """Use a WeakValueDictionary instead of a standard dictionary to map 
+    `comm_id` to `widget` for every widget instance.
+
+    By default widgets are mapped using a standard dictionary. Use this feature
+    to permit widget garbage collection. 
+    """
+    global _instances
+    if not isinstance(_instances, weakref.WeakValueDictionary):
+        _instances  = weakref.WeakValueDictionary(_instances)
+
+def disable_weakreference():
+    """Use a Dictionary to map `comm_id` to `widget` for every widget instance.
+    
+    Note: this is the default setting and maintains a strong reference to the 
+    the widget preventing automatic garbage collection. If the close method
+    is called, the widget will remove itself enabling garbage collection.
+    """
+    global _instances
+    if  isinstance(_instances, weakref.WeakValueDictionary):
+        _instances  = dict(_instances)
+
 def _widget_to_json(x, obj):
-    if isinstance(x, dict):
-        return {k: _widget_to_json(v, obj) for k, v in x.items()}
+    if isinstance(x, Widget):
+        return f"IPY_MODEL_{x.model_id}"
     elif isinstance(x, (list, tuple)):
         return [_widget_to_json(v, obj) for v in x]
-    elif isinstance(x, Widget):
-        return "IPY_MODEL_" + x.model_id
+    elif isinstance(x, dict):
+        return {k: _widget_to_json(v, obj) for k, v in x.items()}
     else:
         return x
 
@@ -215,18 +237,6 @@ def register_callback(self, callback, remove=False):
         elif not remove and callback not in self.callbacks:
             self.callbacks.append(callback)
 
-def _show_traceback(method):
-    """decorator for showing tracebacks"""
-    def m(self, *args, **kwargs):
-        try:
-            return(method(self, *args, **kwargs))
-        except Exception as e:
-            ip = get_ipython()
-            if ip is None:
-                self.log.warning("Exception in widget method %s: %s", method, e, exc_info=True)
-            else:
-                ip.showtraceback()
-    return m
 
 
 class WidgetRegistry:
@@ -304,7 +314,7 @@ class Widget(LoggingHasTraits):
     #-------------------------------------------------------------------------
     _widget_construction_callback = None
     _control_comm = None
-
+    
     @_staticproperty
     def widgets():
         # Because this is a static attribute, it will be accessed when initializing this class. In that case, since a user
@@ -461,7 +471,7 @@ def _get_embed_state(self, drop_defaults=False):
         return state
 
     def get_view_spec(self):
-        return dict(version_major=2, version_minor=0, model_id=self._model_id)
+        return {"version_major":2, "version_minor":0, "model_id": self._model_id}
 
     #-------------------------------------------------------------------------
     # Traits
@@ -499,11 +509,12 @@ def _default_keys(self):
     #-------------------------------------------------------------------------
     def __init__(self, **kwargs):
         """Public constructor"""
-        self._model_id = kwargs.pop('model_id', None)
+        if 'model_id' in kwargs:
+            self.comm = self._create_comm(kwargs.pop('model_id'))
         super().__init__(**kwargs)
+        self.open()
 
         Widget._call_widget_constructed(self)
-        self.open()
     
     def __copy__(self):
         raise NotImplementedError("Widgets cannot be copied; custom implementation required")
@@ -519,53 +530,84 @@ def __del__(self):
     # Properties
     #-------------------------------------------------------------------------
 
-    def open(self):
-        """Open a comm to the frontend if one isn't already open."""
-        if self.comm is None:
-            state, buffer_paths, buffers = _remove_buffers(self.get_state())
 
-            args = dict(target_name='jupyter.widget',
-                        data={'state': state, 'buffer_paths': buffer_paths},
-                        buffers=buffers,
-                        metadata={'version': __protocol_version__}
-                        )
-            if self._model_id is not None:
-                args['comm_id'] = self._model_id
+    @default('comm')
+    def _default_comm(self):
+        return self._create_comm()
 
-            self.comm = comm.create_comm(**args)
+    def open(self):
+        """Open a comm to the frontend if one isn't already open."""
+        assert self._model_id
+
+
+    def _create_comm(self, comm_id=None):
+        """Open a new comm to the frontend."""
+        state, buffer_paths, buffers = _remove_buffers(self.get_state())
+        self.comm = comm_ = comm.create_comm(
+            target_name="jupyter.widget",
+            data={"state": state, "buffer_paths": buffer_paths},
+            buffers=buffers,
+            metadata={"version": __protocol_version__},
+            comm_id=comm_id,
+        )        
+        return comm_
+    
 
     @observe('comm')
     def _comm_changed(self, change):
         """Called when the comm is changed."""
-        if change['new'] is None:
-            return
-        self._model_id = self.model_id
+        if change['old']:
+            change['old'].on_msg(None)
+            change['old'].close()
+            # On python shutdown _instances can be None
+            if isinstance(_instances, dict):
+                _instances.pop(change['old'].comm_id, None)
+        if change['new']:
+            if isinstance(_instances, dict):
+                _instances[change['new'].comm_id] = self        
+            
+            # prevent memory leaks by using a weak reference to self.
+            ref = weakref.ref(self)
+            def _handle_msg(msg):
+                self_ = ref()
+                if self_ is not None:
+                    try:
+                        self_._handle_msg(msg)
+                    except Exception as e:
+                        self_._show_traceback(self_._handle_msg, e)
+
+            change['new'].on_msg(_handle_msg)
+
 
-        self.comm.on_msg(self._handle_msg)
-        _instances[self.model_id] = self
 
     @property
     def model_id(self):
+        return self._model_id
+    
+    @property
+    def _model_id(self):
         """Gets the model id of this widget.
 
         If a Comm doesn't exist yet, a Comm will be created automagically."""
-        return self.comm.comm_id
+        if not self._repr_mimebundle_:
+            # a closed widget will not be found at the frontend so raise an error here. 
+            msg = f"Widget is closed: {self!r}"
+            raise RuntimeError(msg)
+        return getattr(self.comm, "comm_id", None)
+    
 
     #-------------------------------------------------------------------------
     # Methods
     #-------------------------------------------------------------------------
 
     def close(self):
-        """Close method.
+        """Permanently close the widget.
 
         Closes the underlying comm.
         When the comm is closed, all of the widget views are automatically
         removed from the front-end."""
-        if self.comm is not None:
-            _instances.pop(self.model_id, None)
-            self.comm.close()
-            self.comm = None
-            self._repr_mimebundle_ = None
+        self._repr_mimebundle_ = None
+        self.comm = None
 
     def send_state(self, key=None):
         """Sends the widget state, or a piece of it, to the front-end, if it exists.
@@ -693,15 +735,18 @@ def notify_change(self, change):
         # Send the state to the frontend before the user-registered callbacks
         # are called.
         name = change['name']
-        if self.comm is not None and getattr(self.comm, 'kernel', True) is not None:
+        comm = self._trait_values.get('comm')
+        if comm  and getattr(comm, 'kernel', None):
             # Make sure this isn't information that the front-end just sent us.
-            if name in self.keys and self._should_send_property(name, getattr(self, name)):
+            if name in self.keys and self._should_send_property(name, change['new']):
                 # Send new state to front-end
                 self.send_state(key=name)
         super().notify_change(change)
 
     def __repr__(self):
-        return self._gen_repr_from_keys(self._repr_keys())
+        if  not self._repr_mimebundle_:
+            return f'<closed:{self.__class__.__name__}>'
+        return  self._gen_repr_from_keys(self._repr_keys())
 
     #-------------------------------------------------------------------------
     # Support methods
@@ -759,7 +804,6 @@ def _should_send_property(self, key, value):
             return True
 
     # Event handlers
-    @_show_traceback
     def _handle_msg(self, msg):
         """Called when a msg is received from the front-end"""
         data = msg['content']['data']
@@ -785,6 +829,14 @@ def _handle_msg(self, msg):
         else:
             self.log.error('Unknown front-end to back-end widget msg with method "%s"' % method)
 
+    def _show_traceback(self, method, e:Exception):
+            ip = get_ipython()
+            if ip is None:
+                self.log.warning("Exception in widget method %s: %s", method, e, exc_info=True)
+            else:
+                ip.showtraceback()        
+
+
     def _handle_custom_msg(self, content, buffers):
         """Called when a custom msg is received."""
         self._msg_callbacks(self, content, buffers)
@@ -821,8 +873,9 @@ def _repr_mimebundle_(self, **kwargs):
 
     def _send(self, msg, buffers=None):
         """Sends a message to the model in the front-end."""
-        if self.comm is not None and (self.comm.kernel is not None if hasattr(self.comm, "kernel") else True):
-            self.comm.send(data=msg, buffers=buffers)
+        comm = self.comm
+        if comm is not None and getattr(comm, "kernel", True):
+            comm.send(data=msg, buffers=buffers)
 
     def _repr_keys(self):
         traits = self.traits()

From cf8ef63c360504f0f5f0ad4664a20ff884ef4fbe Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Sun, 26 May 2024 10:55:27 +1000
Subject: [PATCH 06/15] Add Children for Box (and subclasses) to support
 validation of any type of iterable plus a configurable option to omit invalid
 items (including closed widgets) and log a warning or error.

---
 .../ipywidgets/widgets/widget_box.py          | 52 +++++++++++++++----
 1 file changed, 43 insertions(+), 9 deletions(-)

diff --git a/python/ipywidgets/ipywidgets/widgets/widget_box.py b/python/ipywidgets/ipywidgets/widgets/widget_box.py
index 740e54cb1a..598bb40ef2 100644
--- a/python/ipywidgets/ipywidgets/widgets/widget_box.py
+++ b/python/ipywidgets/ipywidgets/widgets/widget_box.py
@@ -1,3 +1,4 @@
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 
@@ -7,14 +8,16 @@
 group other widgets together and control their
 relative layouts.
 """
+from __future__ import annotations
+
+import typing
+
+from traitlets import CaselessStrEnum, TraitError, TraitType, Unicode
 
-from .widget import register, widget_serialization, Widget
+from .docutils import doc_subst
 from .domwidget import DOMWidget
+from .widget import Widget, register, widget_serialization
 from .widget_core import CoreWidget
-from .docutils import doc_subst
-from .trait_types import TypedTuple
-from traitlets import Unicode, CaselessStrEnum, Instance
-
 
 _doc_snippets = {}
 _doc_snippets['box_params'] = """
@@ -25,8 +28,35 @@
         one of 'success', 'info', 'warning' or 'danger', or ''.
         Applies a predefined style to the box. Defaults to '',
         which applies no pre-defined style.
+
+    validate_mode: str 
+        one of 'raise', 'warning', error'.
+        How invalid children will be treated.
+        'raise' will raise a trait error.
+        'warning' and 'error' will log an error using box.log dropping
+        the invalid items from children.
 """
 
+class Children(TraitType['tuple[Widget,...]', typing.Iterable[Widget]]):
+    default_value = ()
+
+    def validate(self, obj: Box, value: typing.Iterable[Widget]):
+        valid, invalid = [], []
+        for v in value:
+            if isinstance(v, Widget) and v._repr_mimebundle_:
+                valid.append(v)
+            else:
+                invalid.append(v)
+        if invalid:
+            msg = f'Invalid or closed items found: {invalid}'
+            if obj.validate_mode == 'log_warning':
+                obj.log.warning(msg)
+            elif obj.validate_mode == 'log_error':
+                obj.log.error(msg)
+            else:
+                raise TraitError(msg)
+        return tuple(valid)
+
 
 @register
 @doc_subst(_doc_snippets)
@@ -48,19 +78,23 @@ class Box(DOMWidget, CoreWidget):
     """
     _model_name = Unicode('BoxModel').tag(sync=True)
     _view_name = Unicode('BoxView').tag(sync=True)
+    tooltip = Unicode('', allow_none=True, help='A tooltip caption.').tag(sync=True)
+    validate_mode = CaselessStrEnum(['raise', 'log_warning', 'log_error'], 'raise')
 
     # Child widgets in the container.
     # Using a tuple here to force reassignment to update the list.
     # When a proper notifying-list trait exists, use that instead.
-    children = TypedTuple(trait=Instance(Widget), help="List of widget children").tag(
-        sync=True, **widget_serialization)
+    children = Children(help='List of widget children').tag(
+        sync=True, **widget_serialization
+    )
 
     box_style = CaselessStrEnum(
         values=['success', 'info', 'warning', 'danger', ''], default_value='',
         help="""Use a predefined styling for the box.""").tag(sync=True)
-
+    
     def __init__(self, children=(), **kwargs):
-        kwargs['children'] = children
+        if children:
+            kwargs['children'] = children
         super().__init__(**kwargs)
 
 @register

From 54bd2c67b49326d1db202fb22b239436d42632c7 Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Sun, 26 May 2024 11:00:32 +1000
Subject: [PATCH 07/15] Update yarn.lock (ran jlpm dlx yarn-berry-deduplicate).

---
 yarn.lock | 630 ++++--------------------------------------------------
 1 file changed, 45 insertions(+), 585 deletions(-)

diff --git a/yarn.lock b/yarn.lock
index 3cf819b206..96205a8920 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -751,7 +751,6 @@ __metadata:
     chai: ^4.0.0
     chai-as-promised: ^7.0.0
     expect.js: ^0.3.1
-    istanbul-instrumenter-loader: ^3.0.1
     karma: ^6.3.3
     karma-chrome-launcher: ^3.1.0
     karma-coverage: ^2.0.3
@@ -777,7 +776,7 @@ __metadata:
   dependencies:
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
     "@lumino/coreutils": ^1.11.1 || ^2.1
-    "@lumino/messaging": ^1.10.1 || ^2.1
+    "@lumino/messaging": ^1.10.1 || ^2.0.1
     "@lumino/widgets": ^1.30.0 || ^2.1
     "@types/backbone": 1.4.14
     "@types/base64-js": ^1.2.5
@@ -793,7 +792,6 @@ __metadata:
     chai: ^4.0.0
     chai-as-promised: ^7.0.0
     expect.js: ^0.3.1
-    istanbul-instrumenter-loader: ^3.0.1
     jquery: ^3.1.1
     karma: ^6.3.3
     karma-chrome-launcher: ^3.1.0
@@ -820,9 +818,9 @@ __metadata:
   dependencies:
     "@jupyter-widgets/base": ^6.0.7
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
-    "@lumino/algorithm": ^1.9.1 || ^2.1
+    "@lumino/algorithm": ^1.9.2 || ^2.0.1
     "@lumino/domutils": ^1.8.1 || ^2.1
-    "@lumino/messaging": ^1.10.1 || ^2.1
+    "@lumino/messaging": ^1.10.1 || ^2.0.1
     "@lumino/signaling": ^1.10.1 || ^2.1
     "@lumino/widgets": ^1.30.0 || ^2.1
     "@types/d3-color": ^3.0.2
@@ -837,7 +835,6 @@ __metadata:
     d3-color: ^3.0.1
     d3-format: ^3.0.1
     expect.js: ^0.3.1
-    istanbul-instrumenter-loader: ^3.0.1
     jquery: ^3.1.1
     karma: ^6.3.3
     karma-chrome-launcher: ^3.1.0
@@ -948,7 +945,7 @@ __metadata:
     "@jupyterlab/outputarea": ^3.0.0 || ^4.0.0
     "@jupyterlab/rendermime": ^3.0.0 || ^4.0.0
     "@jupyterlab/rendermime-interfaces": ^3.0.0 || ^4.0.0
-    "@lumino/messaging": ^1.10.1 || ^2.1
+    "@lumino/messaging": ^1.10.1 || ^2.0.1
     "@lumino/widgets": ^1.30.0 || ^2.1
     "@types/jquery": ^3.5.16
     "@types/mocha": ^9.0.0
@@ -1017,10 +1014,19 @@ __metadata:
     jquery: ^3.1.1
     npm-run-all: ^4.1.5
     prettier: ^2.3.2
+    react: ^18.3.1
     rimraf: ^3.0.2
     semver: ^7.3.5
     source-map-loader: ^4.0.1
     typescript: ~4.9.4
+  peerDependencies:
+    react: "*"
+  dependenciesMeta:
+    react:
+      optional: true
+  peerDependenciesMeta:
+    react:
+      optional: true
   languageName: unknown
   linkType: soft
 
@@ -1034,7 +1040,7 @@ __metadata:
     "@jupyter-widgets/html-manager": ^1.0.10
     "@jupyter-widgets/output": ^6.0.7
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
-    "@lumino/messaging": ^1.10.1 || ^2.1
+    "@lumino/messaging": ^1.10.1 || ^2.0.1
     "@lumino/widgets": ^1.30.0 || ^2.1
     backbone: 1.4.0
     css-loader: ^6.5.1
@@ -2755,20 +2761,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@lumino/algorithm@npm:^1.11.1 || ^2.0.0, @lumino/algorithm@npm:^2.0.1":
+"@lumino/algorithm@npm:^1.11.1 || ^2.0.0, @lumino/algorithm@npm:^1.9.2 || ^2.0.1, @lumino/algorithm@npm:^2.0.1":
   version: 2.0.1
   resolution: "@lumino/algorithm@npm:2.0.1"
   checksum: cbf7fcf6ee6b785ea502cdfddc53d61f9d353dcb9659343511d5cd4b4030be2ff2ca4c08daec42f84417ab0318a3d9972a17319fa5231693e109ab112dcf8000
   languageName: node
   linkType: hard
 
-"@lumino/algorithm@npm:^1.9.1 || ^2.1, @lumino/algorithm@npm:^1.9.2":
-  version: 1.9.2
-  resolution: "@lumino/algorithm@npm:1.9.2"
-  checksum: a89e7c63504236119634858e271db1cc649684d30ced5a6ebe2788af7c0837f1e05a6fd3047d8525eb756c42ce137f76b3688f75fd3ef915b71cd4f213dfbb96
-  languageName: node
-  linkType: hard
-
 "@lumino/application@npm:^2.3.1":
   version: 2.3.1
   resolution: "@lumino/application@npm:2.3.1"
@@ -2780,15 +2779,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@lumino/collections@npm:^1.9.3":
-  version: 1.9.3
-  resolution: "@lumino/collections@npm:1.9.3"
-  dependencies:
-    "@lumino/algorithm": ^1.9.2
-  checksum: 1c87a12743eddd6f6b593e47945a5645e2f99ad61c5192499b0745e48ee9aff263c7145541e77dfeea4c9f50bdd017fddfa47bfc60e718de4f28533ce45bf8c3
-  languageName: node
-  linkType: hard
-
 "@lumino/collections@npm:^2.0.1":
   version: 2.0.1
   resolution: "@lumino/collections@npm:2.0.1"
@@ -2860,17 +2850,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@lumino/messaging@npm:^1.10.1 || ^2.1":
-  version: 1.10.3
-  resolution: "@lumino/messaging@npm:1.10.3"
-  dependencies:
-    "@lumino/algorithm": ^1.9.2
-    "@lumino/collections": ^1.9.3
-  checksum: 1131e80379fa9b8a9b5d3418c90e25d4be48e2c92ec711518190772f9e8845a695bef45daddd06a129168cf6f158c8ad80ae86cb245f566e9195bbd9a0843b7a
-  languageName: node
-  linkType: hard
-
-"@lumino/messaging@npm:^2.0.1":
+"@lumino/messaging@npm:^1.10.1 || ^2.0.1, @lumino/messaging@npm:^2.0.1":
   version: 2.0.1
   resolution: "@lumino/messaging@npm:2.0.1"
   dependencies:
@@ -3758,14 +3738,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/minimatch@npm:*":
-  version: 5.1.2
-  resolution: "@types/minimatch@npm:5.1.2"
-  checksum: 0391a282860c7cb6fe262c12b99564732401bdaa5e395bee9ca323c312c1a0f45efbf34dce974682036e857db59a5c9b1da522f3d6055aeead7097264c8705a8
-  languageName: node
-  linkType: hard
-
-"@types/minimatch@npm:^3.0.3":
+"@types/minimatch@npm:*, @types/minimatch@npm:^3.0.3":
   version: 3.0.5
   resolution: "@types/minimatch@npm:3.0.5"
   checksum: c41d136f67231c3131cf1d4ca0b06687f4a322918a3a5adddc87ce90ed9dbd175a3610adee36b106ae68c0b92c637c35e02b58c8a56c424f71d30993ea220b92
@@ -3786,16 +3759,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:*, @types/node@npm:>=10.0.0":
-  version: 20.12.12
-  resolution: "@types/node@npm:20.12.12"
-  dependencies:
-    undici-types: ~5.26.4
-  checksum: 5373983874b9af7c216e7ca5d26b32a8d9829c703a69f1e66f2113598b5be8582c0e009ca97369f1ec9a6282b3f92812208d06eb1e9fc3bd9b939b022303d042
-  languageName: node
-  linkType: hard
-
-"@types/node@npm:^17.0.2":
+"@types/node@npm:*, @types/node@npm:>=10.0.0, @types/node@npm:^17.0.2":
   version: 17.0.45
   resolution: "@types/node@npm:17.0.45"
   checksum: aa04366b9103b7d6cfd6b2ef64182e0eaa7d4462c3f817618486ea0422984c51fc69fd0d436eae6c9e696ddfdbec9ccaa27a917f7c2e8c75c5d57827fe3d95e8
@@ -3868,16 +3832,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/sinon@npm:*":
-  version: 17.0.3
-  resolution: "@types/sinon@npm:17.0.3"
-  dependencies:
-    "@types/sinonjs__fake-timers": "*"
-  checksum: c8e9956d9c90fe1ec1cc43085ae48897f93f9ea86e909ab47f255ea71f5229651faa070393950fb6923aef426c84e92b375503f9f8886ef44668b82a8ee49e9a
-  languageName: node
-  linkType: hard
-
-"@types/sinon@npm:^10.0.2":
+"@types/sinon@npm:*, @types/sinon@npm:^10.0.2":
   version: 10.0.20
   resolution: "@types/sinon@npm:10.0.20"
   dependencies:
@@ -4808,7 +4763,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ajv@npm:8.12.0":
+"ajv@npm:8.12.0, ajv@npm:^8.0.0, ajv@npm:^8.12.0, ajv@npm:^8.6.0, ajv@npm:^8.9.0":
   version: 8.12.0
   resolution: "ajv@npm:8.12.0"
   dependencies:
@@ -4820,18 +4775,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ajv@npm:^5.0.0":
-  version: 5.5.2
-  resolution: "ajv@npm:5.5.2"
-  dependencies:
-    co: ^4.6.0
-    fast-deep-equal: ^1.0.0
-    fast-json-stable-stringify: ^2.0.0
-    json-schema-traverse: ^0.3.0
-  checksum: a69645c843e1676b0ae1c5192786e546427f808f386d26127c6585479378066c64341ceec0b127b6789d79628e71d2a732d402f575b98f9262db230d7b715a94
-  languageName: node
-  linkType: hard
-
 "ajv@npm:^6.12.4, ajv@npm:^6.12.5":
   version: 6.12.6
   resolution: "ajv@npm:6.12.6"
@@ -4844,32 +4787,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ajv@npm:^8.0.0, ajv@npm:^8.12.0, ajv@npm:^8.6.0, ajv@npm:^8.9.0":
-  version: 8.13.0
-  resolution: "ajv@npm:8.13.0"
-  dependencies:
-    fast-deep-equal: ^3.1.3
-    json-schema-traverse: ^1.0.0
-    require-from-string: ^2.0.2
-    uri-js: ^4.4.1
-  checksum: 6de82d0b2073e645ca3300561356ddda0234f39b35d2125a8700b650509b296f41c00ab69f53178bbe25ad688bd6ac3747ab44101f2f4bd245952e8fd6ccc3c1
-  languageName: node
-  linkType: hard
-
-"ansi-colors@npm:4.1.1":
+"ansi-colors@npm:4.1.1, ansi-colors@npm:^4.1.1":
   version: 4.1.1
   resolution: "ansi-colors@npm:4.1.1"
   checksum: 138d04a51076cb085da0a7e2d000c5c0bb09f6e772ed5c65c53cb118d37f6c5f1637506d7155fb5f330f0abcf6f12fa2e489ac3f8cdab9da393bf1bb4f9a32b0
   languageName: node
   linkType: hard
 
-"ansi-colors@npm:^4.1.1":
-  version: 4.1.3
-  resolution: "ansi-colors@npm:4.1.3"
-  checksum: a9c2ec842038a1fabc7db9ece7d3177e2fe1c5dc6f0c51ecfbf5f39911427b89c00b5dc6b8bd95f82a26e9b16aaae2e83d45f060e98070ce4d1333038edceb0e
-  languageName: node
-  linkType: hard
-
 "ansi-escapes@npm:^4.2.1, ansi-escapes@npm:^4.3.0, ansi-escapes@npm:^4.3.2":
   version: 4.3.2
   resolution: "ansi-escapes@npm:4.3.2"
@@ -4879,13 +4803,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ansi-regex@npm:^2.0.0":
-  version: 2.1.1
-  resolution: "ansi-regex@npm:2.1.1"
-  checksum: 190abd03e4ff86794f338a31795d262c1dfe8c91f7e01d04f13f646f1dcb16c5800818f886047876f1272f065570ab86b24b99089f8b68a0e11ff19aed4ca8f1
-  languageName: node
-  linkType: hard
-
 "ansi-regex@npm:^3.0.0":
   version: 3.0.1
   resolution: "ansi-regex@npm:3.0.1"
@@ -4914,13 +4831,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ansi-styles@npm:^2.2.1":
-  version: 2.2.1
-  resolution: "ansi-styles@npm:2.2.1"
-  checksum: ebc0e00381f2a29000d1dac8466a640ce11943cef3bda3cd0020dc042e31e1058ab59bf6169cd794a54c3a7338a61ebc404b7c91e004092dd20e028c432c9c2c
-  languageName: node
-  linkType: hard
-
 "ansi-styles@npm:^3.2.1":
   version: 3.2.1
   resolution: "ansi-styles@npm:3.2.1"
@@ -5202,43 +5112,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"babel-code-frame@npm:^6.26.0":
-  version: 6.26.0
-  resolution: "babel-code-frame@npm:6.26.0"
-  dependencies:
-    chalk: ^1.1.3
-    esutils: ^2.0.2
-    js-tokens: ^3.0.2
-  checksum: 9410c3d5a921eb02fa409675d1a758e493323a49e7b9dddb7a2a24d47e61d39ab1129dd29f9175836eac9ce8b1d4c0a0718fcdc57ce0b865b529fd250dbab313
-  languageName: node
-  linkType: hard
-
-"babel-generator@npm:^6.18.0":
-  version: 6.26.1
-  resolution: "babel-generator@npm:6.26.1"
-  dependencies:
-    babel-messages: ^6.23.0
-    babel-runtime: ^6.26.0
-    babel-types: ^6.26.0
-    detect-indent: ^4.0.0
-    jsesc: ^1.3.0
-    lodash: ^4.17.4
-    source-map: ^0.5.7
-    trim-right: ^1.0.1
-  checksum: 5397f4d4d1243e7157e3336be96c10fcb1f29f73bf2d9842229c71764d9a6431397d249483a38c4d8b1581459e67be4df6f32d26b1666f02d0f5bfc2c2f25193
-  languageName: node
-  linkType: hard
-
-"babel-messages@npm:^6.23.0":
-  version: 6.23.0
-  resolution: "babel-messages@npm:6.23.0"
-  dependencies:
-    babel-runtime: ^6.22.0
-  checksum: c8075c17587a33869e1a5bd0a5b73bbe395b68188362dacd5418debbc7c8fd784bcd3295e81ee7e410dc2c2655755add6af03698c522209f6a68334c15e6d6ca
-  languageName: node
-  linkType: hard
-
-"babel-runtime@npm:^6.22.0, babel-runtime@npm:^6.23.0, babel-runtime@npm:^6.26.0":
+"babel-runtime@npm:^6.23.0":
   version: 6.26.0
   resolution: "babel-runtime@npm:6.26.0"
   dependencies:
@@ -5248,57 +5122,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"babel-template@npm:^6.16.0":
-  version: 6.26.0
-  resolution: "babel-template@npm:6.26.0"
-  dependencies:
-    babel-runtime: ^6.26.0
-    babel-traverse: ^6.26.0
-    babel-types: ^6.26.0
-    babylon: ^6.18.0
-    lodash: ^4.17.4
-  checksum: 028dd57380f09b5641b74874a19073c53c4fb3f1696e849575aae18f8c80eaf21db75209057db862f3b893ce2cd9b795d539efa591b58f4a0fb011df0a56fbed
-  languageName: node
-  linkType: hard
-
-"babel-traverse@npm:^6.18.0, babel-traverse@npm:^6.26.0":
-  version: 6.26.0
-  resolution: "babel-traverse@npm:6.26.0"
-  dependencies:
-    babel-code-frame: ^6.26.0
-    babel-messages: ^6.23.0
-    babel-runtime: ^6.26.0
-    babel-types: ^6.26.0
-    babylon: ^6.18.0
-    debug: ^2.6.8
-    globals: ^9.18.0
-    invariant: ^2.2.2
-    lodash: ^4.17.4
-  checksum: fca037588d2791ae0409f1b7aa56075b798699cccc53ea04d82dd1c0f97b9e7ab17065f7dd3ecd69101d7874c9c8fd5e0f88fa53abbae1fe94e37e6b81ebcb8d
-  languageName: node
-  linkType: hard
-
-"babel-types@npm:^6.18.0, babel-types@npm:^6.26.0":
-  version: 6.26.0
-  resolution: "babel-types@npm:6.26.0"
-  dependencies:
-    babel-runtime: ^6.26.0
-    esutils: ^2.0.2
-    lodash: ^4.17.4
-    to-fast-properties: ^1.0.3
-  checksum: d16b0fa86e9b0e4c2623be81d0a35679faff24dd2e43cde4ca58baf49f3e39415a011a889e6c2259ff09e1228e4c3a3db6449a62de59e80152fe1ce7398fde76
-  languageName: node
-  linkType: hard
-
-"babylon@npm:^6.18.0":
-  version: 6.18.0
-  resolution: "babylon@npm:6.18.0"
-  bin:
-    babylon: ./bin/babylon.js
-  checksum: 0777ae0c735ce1cbfc856d627589ed9aae212b84fb0c03c368b55e6c5d3507841780052808d0ad46e18a2ba516e93d55eeed8cd967f3b2938822dfeccfb2a16d
-  languageName: node
-  linkType: hard
-
 "backbone@npm:1.4.0":
   version: 1.4.0
   resolution: "backbone@npm:1.4.0"
@@ -5731,19 +5554,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chalk@npm:^1.1.3":
-  version: 1.1.3
-  resolution: "chalk@npm:1.1.3"
-  dependencies:
-    ansi-styles: ^2.2.1
-    escape-string-regexp: ^1.0.2
-    has-ansi: ^2.0.0
-    strip-ansi: ^3.0.0
-    supports-color: ^2.0.0
-  checksum: 9d2ea6b98fc2b7878829eec223abcf404622db6c48396a9b9257f6d0ead2acf18231ae368d6a664a83f272b0679158da12e97b5229f794939e555cc574478acd
-  languageName: node
-  linkType: hard
-
 "chalk@npm:^2.0.1, chalk@npm:^2.1.0, chalk@npm:^2.3.0, chalk@npm:^2.4.1, chalk@npm:^2.4.2":
   version: 2.4.2
   resolution: "chalk@npm:2.4.2"
@@ -5798,7 +5608,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chokidar@npm:3.5.3":
+"chokidar@npm:3.5.3, chokidar@npm:^3.3.0, chokidar@npm:^3.5.1":
   version: 3.5.3
   resolution: "chokidar@npm:3.5.3"
   dependencies:
@@ -5817,25 +5627,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chokidar@npm:^3.3.0, chokidar@npm:^3.5.1":
-  version: 3.6.0
-  resolution: "chokidar@npm:3.6.0"
-  dependencies:
-    anymatch: ~3.1.2
-    braces: ~3.0.2
-    fsevents: ~2.3.2
-    glob-parent: ~5.1.2
-    is-binary-path: ~2.1.0
-    is-glob: ~4.0.1
-    normalize-path: ~3.0.0
-    readdirp: ~3.6.0
-  dependenciesMeta:
-    fsevents:
-      optional: true
-  checksum: d2f29f499705dcd4f6f3bbed79a9ce2388cf530460122eed3b9c48efeab7a4e28739c6551fd15bec9245c6b9eeca7a32baa64694d64d9b6faeb74ddb8c4a413d
-  languageName: node
-  linkType: hard
-
 "chownr@npm:^2.0.0":
   version: 2.0.0
   resolution: "chownr@npm:2.0.0"
@@ -5880,20 +5671,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cli-spinners@npm:2.6.1":
+"cli-spinners@npm:2.6.1, cli-spinners@npm:^2.5.0":
   version: 2.6.1
   resolution: "cli-spinners@npm:2.6.1"
   checksum: 423409baaa7a58e5104b46ca1745fbfc5888bbd0b0c5a626e052ae1387060839c8efd512fb127e25769b3dc9562db1dc1b5add6e0b93b7ef64f477feb6416a45
   languageName: node
   linkType: hard
 
-"cli-spinners@npm:^2.5.0":
-  version: 2.9.2
-  resolution: "cli-spinners@npm:2.9.2"
-  checksum: 1bd588289b28432e4676cb5d40505cfe3e53f2e4e10fbe05c8a710a154d6fe0ce7836844b00d6858f740f2ffe67cdc36e0fce9c7b6a8430e80e6388d5aa4956c
-  languageName: node
-  linkType: hard
-
 "cli-truncate@npm:^2.1.0":
   version: 2.1.0
   resolution: "cli-truncate@npm:2.1.0"
@@ -6008,13 +5792,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"co@npm:^4.6.0":
-  version: 4.6.0
-  resolution: "co@npm:4.6.0"
-  checksum: 5210d9223010eb95b29df06a91116f2cf7c8e0748a9013ed853b53f362ea0e822f1e5bb054fb3cefc645239a4cf966af1f6133a3b43f40d591f3b68ed6cf0510
-  languageName: node
-  linkType: hard
-
 "codemirror@npm:^5.48.0":
   version: 5.65.16
   resolution: "codemirror@npm:5.65.16"
@@ -6397,13 +6174,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"convert-source-map@npm:^1.5.0":
-  version: 1.9.0
-  resolution: "convert-source-map@npm:1.9.0"
-  checksum: dc55a1f28ddd0e9485ef13565f8f756b342f9a46c4ae18b843fe3c30c675d058d6a4823eff86d472f187b176f0adf51ea7b69ea38be34be4a63cbbf91b0593c8
-  languageName: node
-  linkType: hard
-
 "convert-source-map@npm:^2.0.0":
   version: 2.0.0
   resolution: "convert-source-map@npm:2.0.0"
@@ -6462,20 +6232,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"core-util-is@npm:1.0.2":
+"core-util-is@npm:1.0.2, core-util-is@npm:~1.0.0":
   version: 1.0.2
   resolution: "core-util-is@npm:1.0.2"
   checksum: 7a4c925b497a2c91421e25bf76d6d8190f0b2359a9200dbeed136e63b2931d6294d3b1893eda378883ed363cd950f44a12a401384c609839ea616befb7927dab
   languageName: node
   linkType: hard
 
-"core-util-is@npm:~1.0.0":
-  version: 1.0.3
-  resolution: "core-util-is@npm:1.0.3"
-  checksum: 9de8597363a8e9b9952491ebe18167e3b36e7707569eed0ebf14f8bba773611376466ae34575bca8cfe3c767890c859c74056084738f09d4e4a6f902b2ad7d99
-  languageName: node
-  linkType: hard
-
 "cors@npm:2.8.5, cors@npm:~2.8.5":
   version: 2.8.5
   resolution: "cors@npm:2.8.5"
@@ -6596,20 +6359,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"csstype@npm:3.0.10":
+"csstype@npm:3.0.10, csstype@npm:^3.0.2":
   version: 3.0.10
   resolution: "csstype@npm:3.0.10"
   checksum: 20a8fa324f2b33ddf94aa7507d1b6ab3daa6f3cc308888dc50126585d7952f2471de69b2dbe0635d1fdc31223fef8e070842691877e725caf456e2378685a631
   languageName: node
   linkType: hard
 
-"csstype@npm:^3.0.2":
-  version: 3.1.3
-  resolution: "csstype@npm:3.1.3"
-  checksum: 8db785cc92d259102725b3c694ec0c823f5619a84741b5c7991b8ad135dfaa66093038a1cc63e03361a6cd28d122be48f2106ae72334e067dd619a51f49eddf7
-  languageName: node
-  linkType: hard
-
 "custom-event@npm:~1.0.0":
   version: 1.0.1
   resolution: "custom-event@npm:1.0.1"
@@ -6712,7 +6468,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"debug@npm:2.6.9, debug@npm:^2.6.8":
+"debug@npm:2.6.9":
   version: 2.6.9
   resolution: "debug@npm:2.6.9"
   dependencies:
@@ -6918,15 +6674,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"detect-indent@npm:^4.0.0":
-  version: 4.0.0
-  resolution: "detect-indent@npm:4.0.0"
-  dependencies:
-    repeating: ^2.0.0
-  checksum: 328f273915c1610899bc7d4784ce874413d0a698346364cd3ee5d79afba1c5cf4dbc97b85a801e20f4d903c0598bd5096af32b800dfb8696b81464ccb3dfda2c
-  languageName: node
-  linkType: hard
-
 "detect-indent@npm:^5.0.0":
   version: 5.0.0
   resolution: "detect-indent@npm:5.0.0"
@@ -7451,7 +7198,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"escape-string-regexp@npm:^1.0.2, escape-string-regexp@npm:^1.0.5":
+"escape-string-regexp@npm:^1.0.5":
   version: 1.0.5
   resolution: "escape-string-regexp@npm:1.0.5"
   checksum: 6092fda75c63b110c706b6a9bfde8a612ad595b628f0bd2147eea1d3406723020810e591effc7db1da91d80a71a737a313567c5abb3813e8d9c71f4aa595b410
@@ -7788,27 +7535,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"extsprintf@npm:1.3.0":
+"extsprintf@npm:1.3.0, extsprintf@npm:^1.2.0":
   version: 1.3.0
   resolution: "extsprintf@npm:1.3.0"
   checksum: cee7a4a1e34cffeeec18559109de92c27517e5641991ec6bab849aa64e3081022903dd53084f2080d0d2530803aa5ee84f1e9de642c365452f9e67be8f958ce2
   languageName: node
   linkType: hard
 
-"extsprintf@npm:^1.2.0":
-  version: 1.4.1
-  resolution: "extsprintf@npm:1.4.1"
-  checksum: a2f29b241914a8d2bad64363de684821b6b1609d06ae68d5b539e4de6b28659715b5bea94a7265201603713b7027d35399d10b0548f09071c5513e65e8323d33
-  languageName: node
-  linkType: hard
-
-"fast-deep-equal@npm:^1.0.0":
-  version: 1.1.0
-  resolution: "fast-deep-equal@npm:1.1.0"
-  checksum: 69b4c9534d9805f13a341aa72f69641d0b9ae3cc8beb25c64e68a257241c7bb34370266db27ae4fc3c4da0518448c01a5f587a096a211471c86a38facd9a1486
-  languageName: node
-  linkType: hard
-
 "fast-deep-equal@npm:^3.1.1, fast-deep-equal@npm:^3.1.3":
   version: 3.1.3
   resolution: "fast-deep-equal@npm:3.1.3"
@@ -8469,7 +8202,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"glob@npm:7.2.0":
+"glob@npm:7.2.0, glob@npm:^7.1.3, glob@npm:^7.1.4, glob@npm:^7.1.7":
   version: 7.2.0
   resolution: "glob@npm:7.2.0"
   dependencies:
@@ -8511,20 +8244,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"glob@npm:^7.1.3, glob@npm:^7.1.4, glob@npm:^7.1.7":
-  version: 7.2.3
-  resolution: "glob@npm:7.2.3"
-  dependencies:
-    fs.realpath: ^1.0.0
-    inflight: ^1.0.4
-    inherits: 2
-    minimatch: ^3.1.1
-    once: ^1.3.0
-    path-is-absolute: ^1.0.0
-  checksum: 29452e97b38fa704dabb1d1045350fb2467cf0277e155aa9ff7077e90ad81d1ea9d53d3ee63bd37c05b09a065e90f16aec4a65f5b8de401d1dac40bc5605d133
-  languageName: node
-  linkType: hard
-
 "glob@npm:^8.0.1":
   version: 8.1.0
   resolution: "glob@npm:8.1.0"
@@ -8568,13 +8287,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"globals@npm:^9.18.0":
-  version: 9.18.0
-  resolution: "globals@npm:9.18.0"
-  checksum: e9c066aecfdc5ea6f727344a4246ecc243aaf66ede3bffee10ddc0c73351794c25e727dd046090dcecd821199a63b9de6af299a6e3ba292c8b22f0a80ea32073
-  languageName: node
-  linkType: hard
-
 "globalthis@npm:^1.0.3":
   version: 1.0.4
   resolution: "globalthis@npm:1.0.4"
@@ -8723,15 +8435,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"has-ansi@npm:^2.0.0":
-  version: 2.0.0
-  resolution: "has-ansi@npm:2.0.0"
-  dependencies:
-    ansi-regex: ^2.0.0
-  checksum: 1b51daa0214440db171ff359d0a2d17bc20061164c57e76234f614c91dbd2a79ddd68dfc8ee73629366f7be45a6df5f2ea9de83f52e1ca24433f2cc78c35d8ec
-  languageName: node
-  linkType: hard
-
 "has-bigints@npm:^1.0.1, has-bigints@npm:^1.0.2":
   version: 1.0.2
   resolution: "has-bigints@npm:1.0.2"
@@ -9246,15 +8949,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"invariant@npm:^2.2.2":
-  version: 2.2.4
-  resolution: "invariant@npm:2.2.4"
-  dependencies:
-    loose-envify: ^1.0.0
-  checksum: cc3182d793aad82a8d1f0af697b462939cb46066ec48bbf1707c150ad5fad6406137e91a262022c269702e01621f35ef60269f6c0d7fd178487959809acdfb14
-  languageName: node
-  linkType: hard
-
 "ip-address@npm:^9.0.5":
   version: 9.0.5
   resolution: "ip-address@npm:9.0.5"
@@ -9385,13 +9079,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"is-finite@npm:^1.0.0":
-  version: 1.1.0
-  resolution: "is-finite@npm:1.1.0"
-  checksum: 532b97ed3d03e04c6bd203984d9e4ba3c0c390efee492bad5d1d1cd1802a68ab27adbd3ef6382f6312bed6c8bb1bd3e325ea79a8dc8fe080ed7a06f5f97b93e7
-  languageName: node
-  linkType: hard
-
 "is-fullwidth-code-point@npm:^3.0.0":
   version: 3.0.0
   resolution: "is-fullwidth-code-point@npm:3.0.0"
@@ -9683,27 +9370,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"istanbul-instrumenter-loader@npm:^3.0.1":
-  version: 3.0.1
-  resolution: "istanbul-instrumenter-loader@npm:3.0.1"
-  dependencies:
-    convert-source-map: ^1.5.0
-    istanbul-lib-instrument: ^1.7.3
-    loader-utils: ^1.1.0
-    schema-utils: ^0.3.0
-  peerDependencies:
-    webpack: ^2.0.0 || ^3.0.0 || ^4.0.0
-  checksum: 6b2eb9987f79dd451c43e0fcc6fa77bf0f7ac91f3237b7833a07ad6f35e15a6bff579e943edfc2dee203408b6c3a2b4b11f3028b8628cb7304df3decc7552831
-  languageName: node
-  linkType: hard
-
-"istanbul-lib-coverage@npm:^1.2.1":
-  version: 1.2.1
-  resolution: "istanbul-lib-coverage@npm:1.2.1"
-  checksum: 72bfeaa9212f5a6abb243cbce4933712599ba9a6fbdee819f4f5a4cf87ed15cb92772fcab219e93c3712c578774d6d8e54084440423356b3da5d9f8ecaba9888
-  languageName: node
-  linkType: hard
-
 "istanbul-lib-coverage@npm:^3.0.0, istanbul-lib-coverage@npm:^3.2.0":
   version: 3.2.2
   resolution: "istanbul-lib-coverage@npm:3.2.2"
@@ -9711,21 +9377,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"istanbul-lib-instrument@npm:^1.7.3":
-  version: 1.10.2
-  resolution: "istanbul-lib-instrument@npm:1.10.2"
-  dependencies:
-    babel-generator: ^6.18.0
-    babel-template: ^6.16.0
-    babel-traverse: ^6.18.0
-    babel-types: ^6.18.0
-    babylon: ^6.18.0
-    istanbul-lib-coverage: ^1.2.1
-    semver: ^5.3.0
-  checksum: c299d73820b0ac93d1c53f436181da09579083dc4a0febadbda93f598f9a5591fe4888c3071a913eede36148d6481fdf163fa0b6ec7156fffe2a95cff965fc51
-  languageName: node
-  linkType: hard
-
 "istanbul-lib-instrument@npm:^5.1.0":
   version: 5.2.1
   resolution: "istanbul-lib-instrument@npm:5.2.1"
@@ -9823,13 +9474,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"js-tokens@npm:^3.0.2":
-  version: 3.0.2
-  resolution: "js-tokens@npm:3.0.2"
-  checksum: ff24cf90e6e4ac446eba56e604781c1aaf3bdaf9b13a00596a0ebd972fa3b25dc83c0f0f67289c33252abb4111e0d14e952a5d9ffb61f5c22532d555ebd8d8a9
-  languageName: node
-  linkType: hard
-
 "js-yaml@npm:4.1.0, js-yaml@npm:^4.1.0":
   version: 4.1.0
   resolution: "js-yaml@npm:4.1.0"
@@ -9867,15 +9511,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"jsesc@npm:^1.3.0":
-  version: 1.3.0
-  resolution: "jsesc@npm:1.3.0"
-  bin:
-    jsesc: bin/jsesc
-  checksum: 9384cc72bf8ef7f2eb75fea64176b8b0c1c5e77604854c72cb4670b7072e112e3baaa69ef134be98cb078834a7812b0bfe676ad441ccd749a59427f5ed2127f1
-  languageName: node
-  linkType: hard
-
 "jsesc@npm:^2.5.1":
   version: 2.5.2
   resolution: "jsesc@npm:2.5.2"
@@ -9926,13 +9561,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"json-schema-traverse@npm:^0.3.0":
-  version: 0.3.1
-  resolution: "json-schema-traverse@npm:0.3.1"
-  checksum: a685c36222023471c25c86cddcff506306ecb8f8941922fd356008419889c41c38e1c16d661d5499d0a561b34f417693e9bb9212ba2b2b2f8f8a345a49e4ec1a
-  languageName: node
-  linkType: hard
-
 "json-schema-traverse@npm:^0.4.1":
   version: 0.4.1
   resolution: "json-schema-traverse@npm:0.4.1"
@@ -9975,17 +9603,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"json5@npm:^1.0.1":
-  version: 1.0.2
-  resolution: "json5@npm:1.0.2"
-  dependencies:
-    minimist: ^1.2.0
-  bin:
-    json5: lib/cli.js
-  checksum: 866458a8c58a95a49bef3adba929c625e82532bcff1fe93f01d29cb02cac7c3fe1f4b79951b7792c2da9de0b32871a8401a6e3c5b36778ad852bf5b8a61165d7
-  languageName: node
-  linkType: hard
-
 "json5@npm:^2.1.2, json5@npm:^2.2.2, json5@npm:^2.2.3":
   version: 2.2.3
   resolution: "json5@npm:2.2.3"
@@ -9995,20 +9612,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"jsonc-parser@npm:3.2.0":
+"jsonc-parser@npm:3.2.0, jsonc-parser@npm:^3.2.0":
   version: 3.2.0
   resolution: "jsonc-parser@npm:3.2.0"
   checksum: 946dd9a5f326b745aa326d48a7257e3f4a4b62c5e98ec8e49fa2bdd8d96cef7e6febf1399f5c7016114fd1f68a1c62c6138826d5d90bc650448e3cf0951c53c7
   languageName: node
   linkType: hard
 
-"jsonc-parser@npm:^3.2.0":
-  version: 3.2.1
-  resolution: "jsonc-parser@npm:3.2.1"
-  checksum: 656d9027b91de98d8ab91b3aa0d0a4cab7dc798a6830845ca664f3e76c82d46b973675bbe9b500fae1de37fd3e81aceacbaa2a57884bf2f8f29192150d2d1ef7
-  languageName: node
-  linkType: hard
-
 "jsonfile@npm:^4.0.0":
   version: 4.0.0
   resolution: "jsonfile@npm:4.0.0"
@@ -10402,20 +10012,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lilconfig@npm:2.0.5":
+"lilconfig@npm:2.0.5, lilconfig@npm:^2.0.5":
   version: 2.0.5
   resolution: "lilconfig@npm:2.0.5"
   checksum: f7bb9e42656f06930ad04e583026f087508ae408d3526b8b54895e934eb2a966b7aafae569656f2c79a29fe6d779b3ec44ba577e80814734c8655d6f71cdf2d1
   languageName: node
   linkType: hard
 
-"lilconfig@npm:^2.0.5":
-  version: 2.1.0
-  resolution: "lilconfig@npm:2.1.0"
-  checksum: 8549bb352b8192375fed4a74694cd61ad293904eee33f9d4866c2192865c44c4eb35d10782966242634e0cbc1e91fe62b1247f148dc5514918e3a966da7ea117
-  languageName: node
-  linkType: hard
-
 "lines-and-columns@npm:^1.1.6":
   version: 1.2.4
   resolution: "lines-and-columns@npm:1.2.4"
@@ -10506,17 +10109,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"loader-utils@npm:^1.1.0":
-  version: 1.4.2
-  resolution: "loader-utils@npm:1.4.2"
-  dependencies:
-    big.js: ^5.2.2
-    emojis-list: ^3.0.0
-    json5: ^1.0.1
-  checksum: eb6fb622efc0ffd1abdf68a2022f9eac62bef8ec599cf8adb75e94d1d338381780be6278534170e99edc03380a6d29bc7eb1563c89ce17c5fed3a0b17f1ad804
-  languageName: node
-  linkType: hard
-
 "loader-utils@npm:^2.0.0":
   version: 2.0.4
   resolution: "loader-utils@npm:2.0.4"
@@ -10747,7 +10339,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"loose-envify@npm:^1.0.0, loose-envify@npm:^1.1.0, loose-envify@npm:^1.4.0":
+"loose-envify@npm:^1.1.0, loose-envify@npm:^1.4.0":
   version: 1.4.0
   resolution: "loose-envify@npm:1.4.0"
   dependencies:
@@ -11100,7 +10692,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"minimatch@npm:2 || 3, minimatch@npm:^3.0.4, minimatch@npm:^3.0.5, minimatch@npm:^3.1.1, minimatch@npm:^3.1.2":
+"minimatch@npm:2 || 3, minimatch@npm:^3.0.4, minimatch@npm:^3.0.5, minimatch@npm:^3.1.2":
   version: 3.1.2
   resolution: "minimatch@npm:3.1.2"
   dependencies:
@@ -11109,7 +10701,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"minimatch@npm:3.0.5":
+"minimatch@npm:3.0.5, minimatch@npm:~3.0.4":
   version: 3.0.5
   resolution: "minimatch@npm:3.0.5"
   dependencies:
@@ -11154,15 +10746,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"minimatch@npm:~3.0.4":
-  version: 3.0.8
-  resolution: "minimatch@npm:3.0.8"
-  dependencies:
-    brace-expansion: ^1.1.7
-  checksum: 850cca179cad715133132693e6963b0db64ab0988c4d211415b087fc23a3e46321e2c5376a01bf5623d8782aba8bdf43c571e2e902e51fdce7175c7215c29f8b
-  languageName: node
-  linkType: hard
-
 "minimist-options@npm:4.1.0":
   version: 4.1.0
   resolution: "minimist-options@npm:4.1.0"
@@ -13426,7 +13009,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"qs@npm:6.11.0":
+"qs@npm:6.11.0, qs@npm:^6.4.0":
   version: 6.11.0
   resolution: "qs@npm:6.11.0"
   dependencies:
@@ -13435,15 +13018,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"qs@npm:^6.4.0":
-  version: 6.12.1
-  resolution: "qs@npm:6.12.1"
-  dependencies:
-    side-channel: ^1.0.6
-  checksum: aa761d99e65b6936ba2dd2187f2d9976afbcda38deb3ff1b3fe331d09b0c578ed79ca2abdde1271164b5be619c521ec7db9b34c23f49a074e5921372d16242d5
-  languageName: node
-  linkType: hard
-
 "querystringify@npm:^2.1.1":
   version: 2.2.0
   resolution: "querystringify@npm:2.2.0"
@@ -13547,7 +13121,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"react@npm:>=17.0.0 <19.0.0, react@npm:^18.2.0":
+"react@npm:>=17.0.0 <19.0.0, react@npm:^18.2.0, react@npm:^18.3.1":
   version: 18.3.1
   resolution: "react@npm:18.3.1"
   dependencies:
@@ -13823,15 +13397,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"repeating@npm:^2.0.0":
-  version: 2.0.1
-  resolution: "repeating@npm:2.0.1"
-  dependencies:
-    is-finite: ^1.0.0
-  checksum: d2db0b69c5cb0c14dd750036e0abcd6b3c3f7b2da3ee179786b755cf737ca15fa0fff417ca72de33d6966056f4695440e680a352401fc02c95ade59899afbdd0
-  languageName: node
-  linkType: hard
-
 "require-directory@npm:^2.1.1":
   version: 2.1.1
   resolution: "require-directory@npm:2.1.1"
@@ -14113,21 +13678,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sanitize-html@npm:^2.3":
-  version: 2.13.0
-  resolution: "sanitize-html@npm:2.13.0"
-  dependencies:
-    deepmerge: ^4.2.2
-    escape-string-regexp: ^4.0.0
-    htmlparser2: ^8.0.0
-    is-plain-object: ^5.0.0
-    parse-srcset: ^1.0.2
-    postcss: ^8.3.11
-  checksum: d88602328306dbbddb9c5e2a5798783a3b38977a7ef40bf81dae31220d7fb583149c1046a33ec6817e9d96d172b1aaa9ea159776eb1ee08f6a0571150114c9bf
-  languageName: node
-  linkType: hard
-
-"sanitize-html@npm:~2.12.1":
+"sanitize-html@npm:^2.3, sanitize-html@npm:~2.12.1":
   version: 2.12.1
   resolution: "sanitize-html@npm:2.12.1"
   dependencies:
@@ -14157,15 +13708,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"schema-utils@npm:^0.3.0":
-  version: 0.3.0
-  resolution: "schema-utils@npm:0.3.0"
-  dependencies:
-    ajv: ^5.0.0
-  checksum: 441fa4bd4900afb19eb9da1d8d6271056b71ce3d8b1b73bbece791de1d4c90ac7e97ffc9787607aa53611aaf2996711af7c18ba8669f06b084b218cab1e701e3
-  languageName: node
-  linkType: hard
-
 "schema-utils@npm:^2.7.0":
   version: 2.7.1
   resolution: "schema-utils@npm:2.7.1"
@@ -14207,7 +13749,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"semver@npm:2 || 3 || 4 || 5, semver@npm:^5.3.0, semver@npm:^5.4.1, semver@npm:^5.5.0, semver@npm:^5.6.0":
+"semver@npm:2 || 3 || 4 || 5, semver@npm:^5.4.1, semver@npm:^5.5.0, semver@npm:^5.6.0":
   version: 5.7.2
   resolution: "semver@npm:5.7.2"
   bin:
@@ -14407,7 +13949,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"side-channel@npm:^1.0.4, side-channel@npm:^1.0.6":
+"side-channel@npm:^1.0.4":
   version: 1.0.6
   resolution: "side-channel@npm:1.0.6"
   dependencies:
@@ -14586,7 +14128,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sonic-boom@npm:3.8.0":
+"sonic-boom@npm:3.8.0, sonic-boom@npm:^3.7.0":
   version: 3.8.0
   resolution: "sonic-boom@npm:3.8.0"
   dependencies:
@@ -14604,15 +14146,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sonic-boom@npm:^3.7.0":
-  version: 3.8.1
-  resolution: "sonic-boom@npm:3.8.1"
-  dependencies:
-    atomic-sleep: ^1.0.0
-  checksum: 79c90d7a2f928489fd3d4b68d8f8d747a426ca6ccf83c3b102b36f899d4524463dd310982ab7ab6d6bcfd34b7c7c281ad25e495ad71fbff8fd6fa86d6273fc6b
-  languageName: node
-  linkType: hard
-
 "sort-keys@npm:^2.0.0":
   version: 2.0.0
   resolution: "sort-keys@npm:2.0.0"
@@ -14723,13 +14256,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"source-map@npm:^0.5.7":
-  version: 0.5.7
-  resolution: "source-map@npm:0.5.7"
-  checksum: 5dc2043b93d2f194142c7f38f74a24670cd7a0063acdaf4bf01d2964b402257ae843c2a8fa822ad5b71013b5fcafa55af7421383da919752f22ff488bc553f4d
-  languageName: node
-  linkType: hard
-
 "source-map@npm:^0.6.0, source-map@npm:^0.6.1, source-map@npm:~0.6.0, source-map@npm:~0.6.1":
   version: 0.6.1
   resolution: "source-map@npm:0.6.1"
@@ -14992,15 +14518,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"strip-ansi@npm:^3.0.0":
-  version: 3.0.1
-  resolution: "strip-ansi@npm:3.0.1"
-  dependencies:
-    ansi-regex: ^2.0.0
-  checksum: 9b974de611ce5075c70629c00fa98c46144043db92ae17748fb780f706f7a789e9989fd10597b7c2053ae8d1513fd707816a91f1879b2f71e6ac0b6a863db465
-  languageName: node
-  linkType: hard
-
 "strip-ansi@npm:^4.0.0":
   version: 4.0.0
   resolution: "strip-ansi@npm:4.0.0"
@@ -15101,13 +14618,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"supports-color@npm:^2.0.0":
-  version: 2.0.0
-  resolution: "supports-color@npm:2.0.0"
-  checksum: 602538c5812b9006404370b5a4b885d3e2a1f6567d314f8b4a41974ffe7d08e525bf92ae0f9c7030e3b4c78e4e34ace55d6a67a74f1571bc205959f5972f88f0
-  languageName: node
-  linkType: hard
-
 "supports-color@npm:^5.3.0, supports-color@npm:^5.4.0":
   version: 5.5.0
   resolution: "supports-color@npm:5.5.0"
@@ -15312,13 +14822,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"to-fast-properties@npm:^1.0.3":
-  version: 1.0.3
-  resolution: "to-fast-properties@npm:1.0.3"
-  checksum: bd0abb58c4722851df63419de3f6d901d5118f0440d3f71293ed776dd363f2657edaaf2dc470e3f6b7b48eb84aa411193b60db8a4a552adac30de9516c5cc580
-  languageName: node
-  linkType: hard
-
 "to-fast-properties@npm:^2.0.0":
   version: 2.0.0
   resolution: "to-fast-properties@npm:2.0.0"
@@ -15398,13 +14901,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"trim-right@npm:^1.0.1":
-  version: 1.0.1
-  resolution: "trim-right@npm:1.0.1"
-  checksum: 9120af534e006a7424a4f9358710e6e707887b6ccf7ea69e50d6ac6464db1fe22268400def01752f09769025d480395159778153fb98d4a2f6f40d4cf5d4f3b6
-  languageName: node
-  linkType: hard
-
 "tsconfig-paths@npm:^4.1.2":
   version: 4.2.0
   resolution: "tsconfig-paths@npm:4.2.0"
@@ -15688,13 +15184,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"undici-types@npm:~5.26.4":
-  version: 5.26.5
-  resolution: "undici-types@npm:5.26.5"
-  checksum: 3192ef6f3fd5df652f2dc1cd782b49d6ff14dc98e5dced492aa8a8c65425227da5da6aafe22523c67f035a272c599bb89cfe803c1db6311e44bed3042fc25487
-  languageName: node
-  linkType: hard
-
 "union@npm:~0.5.0":
   version: 0.5.0
   resolution: "union@npm:0.5.0"
@@ -15820,7 +15309,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"uri-js@npm:^4.2.2, uri-js@npm:^4.4.1":
+"uri-js@npm:^4.2.2":
   version: 4.4.1
   resolution: "uri-js@npm:4.4.1"
   dependencies:
@@ -16070,7 +15559,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"vscode-jsonrpc@npm:8.2.0":
+"vscode-jsonrpc@npm:8.2.0, vscode-jsonrpc@npm:^8.0.2":
   version: 8.2.0
   resolution: "vscode-jsonrpc@npm:8.2.0"
   checksum: f302a01e59272adc1ae6494581fa31c15499f9278df76366e3b97b2236c7c53ebfc71efbace9041cfd2caa7f91675b9e56f2407871a1b3c7f760a2e2ee61484a
@@ -16084,13 +15573,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"vscode-jsonrpc@npm:^8.0.2":
-  version: 8.2.1
-  resolution: "vscode-jsonrpc@npm:8.2.1"
-  checksum: 2af2c333d73f6587896a7077978b8d4b430e55c674d5dbb90597a84a6647057c1655a3bff398a9b08f1f8ba57dbd2deabf05164315829c297b0debba3b8bc19e
-  languageName: node
-  linkType: hard
-
 "vscode-languageserver-protocol@npm:^3.17.0":
   version: 3.17.5
   resolution: "vscode-languageserver-protocol@npm:3.17.5"
@@ -16585,22 +16067,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ws@npm:^8.11.0":
-  version: 8.17.0
-  resolution: "ws@npm:8.17.0"
-  peerDependencies:
-    bufferutil: ^4.0.1
-    utf-8-validate: ">=5.0.2"
-  peerDependenciesMeta:
-    bufferutil:
-      optional: true
-    utf-8-validate:
-      optional: true
-  checksum: 147ef9eab0251364e1d2c55338ad0efb15e6913923ccbfdf20f7a8a6cb8f88432bcd7f4d8f66977135bfad35575644f9983201c1a361019594a4e53977bf6d4e
-  languageName: node
-  linkType: hard
-
-"ws@npm:~8.11.0":
+"ws@npm:^8.11.0, ws@npm:~8.11.0":
   version: 8.11.0
   resolution: "ws@npm:8.11.0"
   peerDependencies:
@@ -16661,7 +16128,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yargs-parser@npm:20.2.4":
+"yargs-parser@npm:20.2.4, yargs-parser@npm:^20.2.2, yargs-parser@npm:^20.2.3":
   version: 20.2.4
   resolution: "yargs-parser@npm:20.2.4"
   checksum: d251998a374b2743a20271c2fd752b9fbef24eb881d53a3b99a7caa5e8227fcafd9abf1f345ac5de46435821be25ec12189a11030c12ee6481fef6863ed8b924
@@ -16675,13 +16142,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yargs-parser@npm:^20.2.2, yargs-parser@npm:^20.2.3":
-  version: 20.2.9
-  resolution: "yargs-parser@npm:20.2.9"
-  checksum: 8bb69015f2b0ff9e17b2c8e6bfe224ab463dd00ca211eece72a4cd8a906224d2703fb8a326d36fdd0e68701e201b2a60ed7cf81ce0fd9b3799f9fe7745977ae3
-  languageName: node
-  linkType: hard
-
 "yargs-unparser@npm:2.0.0":
   version: 2.0.0
   resolution: "yargs-unparser@npm:2.0.0"

From 75da2f96764c282db49d6a6617b1c96fa3c2e8d3 Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Tue, 28 May 2024 18:40:16 +1000
Subject: [PATCH 08/15] Run lint.

---
 packages/base/src/widget.ts | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/packages/base/src/widget.ts b/packages/base/src/widget.ts
index f4e450b341..44b341f662 100644
--- a/packages/base/src/widget.ts
+++ b/packages/base/src/widget.ts
@@ -1105,9 +1105,7 @@ export class DOMWidgetView extends WidgetView {
   }
 
   get tooltip() {
-    return (
-      this.model.get('tooltip') ?? (this.model.get('description'))
-    );
+    return this.model.get('tooltip') ?? this.model.get('description');
   }
 
   /**

From 0c1dafedeaad9e587690de4386dbed286d0a1009 Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Sun, 9 Jun 2024 15:34:23 +1000
Subject: [PATCH 09/15] Fix tests that need dummy comm & update yarn.lock.

---
 packages/controls/package.json                |  2 +-
 .../widgets/tests/test_send_state.py          |  8 ++-
 .../widgets/tests/test_set_state.py           | 30 ++++-----
 .../ipywidgets/widgets/tests/utils.py         | 11 ++++
 yarn.lock                                     | 66 +++++++++----------
 5 files changed, 65 insertions(+), 52 deletions(-)

diff --git a/packages/controls/package.json b/packages/controls/package.json
index 3ad03c66a2..e1acc3a3c7 100644
--- a/packages/controls/package.json
+++ b/packages/controls/package.json
@@ -34,7 +34,7 @@
     "test:unit:ie": "npm run test:unit:default -- --browsers=IE"
   },
   "dependencies": {
-    "@jupyter-widgets/base": "^6.0.7",
+    "@jupyter-widgets/base": "^6.0.8",
     "@lumino/algorithm": "^1.9.2 || ^2.0.1",
     "@lumino/domutils": "^1.8.1 || ^2.1",
     "@lumino/messaging": "^1.10.1 || ^2.0.1",
diff --git a/python/ipywidgets/ipywidgets/widgets/tests/test_send_state.py b/python/ipywidgets/ipywidgets/widgets/tests/test_send_state.py
index ec18ae4af1..7a7018f0e2 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/test_send_state.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/test_send_state.py
@@ -3,12 +3,14 @@
 
 from traitlets import Bool, Tuple, List
 
-from .utils import setup, teardown, DummyComm
+
+from .utils import dummy_comm_fixture
 
 from ..widget import Widget
 
 from ..._version import __control_protocol_version__
 
+
 # A widget with simple traits
 class SimpleWidget(Widget):
     a = Bool().tag(sync=True)
@@ -18,13 +20,13 @@ class SimpleWidget(Widget):
     c = List(Bool()).tag(sync=True)
 
 
-def test_empty_send_state():
+def test_empty_send_state(dummy_comm_fixture):
     w = SimpleWidget()
     w.send_state([])
     assert w.comm.messages == []
 
 
-def test_empty_hold_sync():
+def test_empty_hold_sync(dummy_comm_fixture):
     w = SimpleWidget()
     with w.hold_sync():
         pass
diff --git a/python/ipywidgets/ipywidgets/widgets/tests/test_set_state.py b/python/ipywidgets/ipywidgets/widgets/tests/test_set_state.py
index 82ecbd9311..133b39d3d6 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/test_set_state.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/test_set_state.py
@@ -6,7 +6,7 @@
 
 from traitlets import Bool, Tuple, List, Instance, CFloat, CInt, Float, Int, TraitError, observe
 
-from .utils import setup, teardown
+from .utils import dummy_comm_fixture  # noqa: F401
 
 import ipywidgets
 from ipywidgets import Widget
@@ -81,7 +81,7 @@ class TruncateDataWidget(SimpleWidget):
 # Actual tests:
 #
 
-def test_set_state_simple(echo):
+def test_set_state_simple(echo, dummy_comm_fixture):
     w = SimpleWidget()
     w.set_state(dict(
         a=True,
@@ -92,7 +92,7 @@ def test_set_state_simple(echo):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_transformer(echo):
+def test_set_state_transformer(echo, dummy_comm_fixture):
     w = TransformerWidget()
     w.set_state(dict(
         d=[True, False, True]
@@ -119,7 +119,7 @@ def test_set_state_transformer(echo):
     assert w.comm.messages == expected
 
 
-def test_set_state_data(echo):
+def test_set_state_data(echo, dummy_comm_fixture):
     w = DataWidget()
     data = memoryview(b'x'*30)
     w.set_state(dict(
@@ -129,7 +129,7 @@ def test_set_state_data(echo):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_data_truncate(echo):
+def test_set_state_data_truncate(echo, dummy_comm_fixture):
     w = TruncateDataWidget()
     data = memoryview(b'x'*30)
     w.set_state(dict(
@@ -153,7 +153,7 @@ def test_set_state_data_truncate(echo):
     assert buffers[0] == data[:20].tobytes()
 
 
-def test_set_state_numbers_int(echo):
+def test_set_state_numbers_int(echo, dummy_comm_fixture):
     # JS does not differentiate between float/int.
     # Instead, it formats exact floats as ints in JSON (1.0 -> '1').
 
@@ -169,7 +169,7 @@ def test_set_state_numbers_int(echo):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_numbers_float(echo):
+def test_set_state_numbers_float(echo, dummy_comm_fixture):
     w = NumberWidget()
     # Set floats to int-like floats
     w.set_state(dict(
@@ -181,7 +181,7 @@ def test_set_state_numbers_float(echo):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_float_to_float(echo):
+def test_set_state_float_to_float(echo, dummy_comm_fixture):
     w = NumberWidget()
     # Set floats to float
     w.set_state(dict(
@@ -192,7 +192,7 @@ def test_set_state_float_to_float(echo):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_cint_to_float(echo):
+def test_set_state_cint_to_float(echo, dummy_comm_fixture):
     w = NumberWidget()
 
     # Set CInt to float
@@ -223,7 +223,7 @@ def _x_test_set_state_int_to_int_like():
     assert len(w.comm.messages) == 0
 
 
-def test_set_state_int_to_float(echo):
+def test_set_state_int_to_float(echo, dummy_comm_fixture):
     w = NumberWidget()
 
     # Set Int to float
@@ -232,7 +232,7 @@ def test_set_state_int_to_float(echo):
             i = 3.5
         ))
 
-def test_property_lock(echo):
+def test_property_lock(echo, dummy_comm_fixture):
     # when this widget's value is set to 42, it sets itself to 2, and then back to 42 again (and then stops)
     class AnnoyingWidget(Widget):
         value = Float().tag(sync=True)
@@ -262,7 +262,7 @@ def _propagate_value(self, change):
     calls = []
     widget._send.assert_has_calls(calls)
 
-def test_hold_sync(echo):
+def test_hold_sync(echo, dummy_comm_fixture):
     # when this widget's value is set to 42, it sets the value to 2, and also sets a different trait value
     class AnnoyingWidget(Widget):
         value = Float().tag(sync=True)
@@ -298,7 +298,7 @@ def _propagate_value(self, change):
 
 
 
-def test_echo():
+def test_echo(dummy_comm_fixture):
     # we always echo values back to the frontend
     class ValueWidget(Widget):
         value = Float().tag(sync=True)
@@ -319,7 +319,7 @@ class ValueWidget(Widget):
     widget._send.assert_has_calls(calls)
 
 
-def test_echo_single():
+def test_echo_single(dummy_comm_fixture):
     # we always echo multiple changes back in 1 update
     class ValueWidget(Widget):
         value = Float().tag(sync=True)
@@ -359,7 +359,7 @@ def _square(self, change):
     widget._send.assert_has_calls(calls)
 
 
-def test_no_echo(echo):
+def test_no_echo(dummy_comm_fixture):
     # in cases where values coming from the frontend are 'heavy', we might want to opt out
     class ValueWidget(Widget):
         value = Float().tag(sync=True, echo_update=False)
diff --git a/python/ipywidgets/ipywidgets/widgets/tests/utils.py b/python/ipywidgets/ipywidgets/widgets/tests/utils.py
index 260485e3f8..20592b4a22 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/utils.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/utils.py
@@ -1,6 +1,8 @@
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 
+import pytest
+
 from ipywidgets import Widget
 import ipywidgets.widgets.widget
 
@@ -95,3 +97,12 @@ def teardown():
 
 def call_method(method, *args, **kwargs):
     method(*args, **kwargs)
+
+
+@pytest.fixture
+def dummy_comm_fixture():
+    setup()
+    try:
+        yield
+    finally:
+        teardown()
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 96205a8920..b6242c157e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -732,11 +732,11 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupyter-widgets/base-manager@^1.0.8, @jupyter-widgets/base-manager@workspace:packages/base-manager":
+"@jupyter-widgets/base-manager@^1.0.9, @jupyter-widgets/base-manager@workspace:packages/base-manager":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/base-manager@workspace:packages/base-manager"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.7
+    "@jupyter-widgets/base": ^6.0.8
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
     "@lumino/coreutils": ^1.11.1 || ^2
     "@types/base64-js": ^1.2.5
@@ -770,7 +770,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/base@^6.0.7, @jupyter-widgets/base@workspace:packages/base":
+"@jupyter-widgets/base@^6.0.8, @jupyter-widgets/base@workspace:packages/base":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/base@workspace:packages/base"
   dependencies:
@@ -812,11 +812,11 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/controls@^5.0.8, @jupyter-widgets/controls@workspace:packages/controls":
+"@jupyter-widgets/controls@^5.0.9, @jupyter-widgets/controls@workspace:packages/controls":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/controls@workspace:packages/controls"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.7
+    "@jupyter-widgets/base": ^6.0.8
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
     "@lumino/algorithm": ^1.9.2 || ^2.0.1
     "@lumino/domutils": ^1.8.1 || ^2.1
@@ -866,9 +866,9 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/example-web1@workspace:examples/web1"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.7
-    "@jupyter-widgets/base-manager": ^1.0.8
-    "@jupyter-widgets/controls": ^5.0.8
+    "@jupyter-widgets/base": ^6.0.8
+    "@jupyter-widgets/base-manager": ^1.0.9
+    "@jupyter-widgets/controls": ^5.0.9
     chai: ^4.0.0
     css-loader: ^6.5.1
     karma: ^6.3.3
@@ -887,9 +887,9 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/example-web2@workspace:examples/web2"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.7
-    "@jupyter-widgets/base-manager": ^1.0.8
-    "@jupyter-widgets/controls": ^5.0.8
+    "@jupyter-widgets/base": ^6.0.8
+    "@jupyter-widgets/base-manager": ^1.0.9
+    "@jupyter-widgets/controls": ^5.0.9
     codemirror: ^5.48.0
     css-loader: ^6.5.1
     font-awesome: ^4.7.0
@@ -902,9 +902,9 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/example-web3@workspace:examples/web3"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.7
-    "@jupyter-widgets/controls": ^5.0.8
-    "@jupyter-widgets/html-manager": ^1.0.10
+    "@jupyter-widgets/base": ^6.0.8
+    "@jupyter-widgets/controls": ^5.0.9
+    "@jupyter-widgets/html-manager": ^1.0.11
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
     "@types/codemirror": ^5.60.0
     "@types/node": ^17.0.2
@@ -924,7 +924,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/example-web4@workspace:examples/web4"
   dependencies:
-    "@jupyter-widgets/html-manager": ^1.0.10
+    "@jupyter-widgets/html-manager": ^1.0.11
     css-loader: ^6.5.1
     font-awesome: ^4.7.0
     style-loader: ^3.3.1
@@ -932,16 +932,16 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/html-manager@^1.0.10, @jupyter-widgets/html-manager@workspace:packages/html-manager":
+"@jupyter-widgets/html-manager@^1.0.11, @jupyter-widgets/html-manager@workspace:packages/html-manager":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/html-manager@workspace:packages/html-manager"
   dependencies:
     "@fortawesome/fontawesome-free": ^5.12.0
-    "@jupyter-widgets/base": ^6.0.7
-    "@jupyter-widgets/base-manager": ^1.0.8
-    "@jupyter-widgets/controls": ^5.0.8
-    "@jupyter-widgets/output": ^6.0.7
-    "@jupyter-widgets/schema": ^0.5.4
+    "@jupyter-widgets/base": ^6.0.8
+    "@jupyter-widgets/base-manager": ^1.0.9
+    "@jupyter-widgets/controls": ^5.0.9
+    "@jupyter-widgets/output": ^6.0.8
+    "@jupyter-widgets/schema": ^0.5.5
     "@jupyterlab/outputarea": ^3.0.0 || ^4.0.0
     "@jupyterlab/rendermime": ^3.0.0 || ^4.0.0
     "@jupyterlab/rendermime-interfaces": ^3.0.0 || ^4.0.0
@@ -978,10 +978,10 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/jupyterlab-manager@workspace:python/jupyterlab_widgets"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.7
-    "@jupyter-widgets/base-manager": ^1.0.8
-    "@jupyter-widgets/controls": ^5.0.8
-    "@jupyter-widgets/output": ^6.0.7
+    "@jupyter-widgets/base": ^6.0.8
+    "@jupyter-widgets/base-manager": ^1.0.9
+    "@jupyter-widgets/controls": ^5.0.9
+    "@jupyter-widgets/output": ^6.0.8
     "@jupyterlab/application": ^3.0.0 || ^4.0.0
     "@jupyterlab/apputils": ^3.0.0 || ^4.0.0
     "@jupyterlab/builder": ^3.0.0 || ^4.0.0
@@ -1034,11 +1034,11 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/notebook-manager@workspace:python/widgetsnbextension"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.7
-    "@jupyter-widgets/base-manager": ^1.0.8
-    "@jupyter-widgets/controls": ^5.0.8
-    "@jupyter-widgets/html-manager": ^1.0.10
-    "@jupyter-widgets/output": ^6.0.7
+    "@jupyter-widgets/base": ^6.0.8
+    "@jupyter-widgets/base-manager": ^1.0.9
+    "@jupyter-widgets/controls": ^5.0.9
+    "@jupyter-widgets/html-manager": ^1.0.11
+    "@jupyter-widgets/output": ^6.0.8
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
     "@lumino/messaging": ^1.10.1 || ^2.0.1
     "@lumino/widgets": ^1.30.0 || ^2.1
@@ -1052,17 +1052,17 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/output@^6.0.7, @jupyter-widgets/output@workspace:packages/output":
+"@jupyter-widgets/output@^6.0.8, @jupyter-widgets/output@workspace:packages/output":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/output@workspace:packages/output"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.7
+    "@jupyter-widgets/base": ^6.0.8
     rimraf: ^3.0.2
     typescript: ~4.9.4
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/schema@^0.5.4, @jupyter-widgets/schema@workspace:packages/schema":
+"@jupyter-widgets/schema@^0.5.5, @jupyter-widgets/schema@workspace:packages/schema":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/schema@workspace:packages/schema"
   languageName: unknown

From 3e49c8e82af35e5dc10e7665a12a3de888461ce3 Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Sat, 31 Aug 2024 10:53:40 +1000
Subject: [PATCH 10/15] Fix tests and lock file.

---
 .../widgets/tests/test_send_state.py          |   4 +-
 .../widgets/tests/test_set_state.py           |  28 ++--
 .../ipywidgets/widgets/tests/utils.py         |  18 +-
 yarn.lock                                     | 158 ++++++++++++++----
 4 files changed, 152 insertions(+), 56 deletions(-)

diff --git a/python/ipywidgets/ipywidgets/widgets/tests/test_send_state.py b/python/ipywidgets/ipywidgets/widgets/tests/test_send_state.py
index 2e8408b44e..ad1335e52d 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/test_send_state.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/test_send_state.py
@@ -17,13 +17,13 @@ class SimpleWidget(Widget):
     c = List(Bool()).tag(sync=True)
 
 
-def test_empty_send_state(dummy_comm_fixture):
+def test_empty_send_state():
     w = SimpleWidget()
     w.send_state([])
     assert w.comm.messages == []
 
 
-def test_empty_hold_sync(dummy_comm_fixture):
+def test_empty_hold_sync():
     w = SimpleWidget()
     with w.hold_sync():
         pass
diff --git a/python/ipywidgets/ipywidgets/widgets/tests/test_set_state.py b/python/ipywidgets/ipywidgets/widgets/tests/test_set_state.py
index 157b6b9af2..c19ff57cde 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/test_set_state.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/test_set_state.py
@@ -89,7 +89,7 @@ class TruncateDataWidget(SimpleWidget):
 #
 
 
-def test_set_state_simple(echo, dummy_comm_fixture):
+def test_set_state_simple(echo):
     w = SimpleWidget()
     w.set_state(
         dict(
@@ -102,7 +102,7 @@ def test_set_state_simple(echo, dummy_comm_fixture):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_transformer(echo, dummy_comm_fixture):
+def test_set_state_transformer(echo):
     w = TransformerWidget()
     w.set_state(dict(d=[True, False, True]))
     # Since the deserialize step changes the state, this should send an update
@@ -137,7 +137,7 @@ def test_set_state_transformer(echo, dummy_comm_fixture):
     assert w.comm.messages == expected
 
 
-def test_set_state_data(echo, dummy_comm_fixture):
+def test_set_state_data(echo):
     w = DataWidget()
     data = memoryview(b"x" * 30)
     w.set_state(
@@ -149,7 +149,7 @@ def test_set_state_data(echo, dummy_comm_fixture):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_data_truncate(echo, dummy_comm_fixture):
+def test_set_state_data_truncate(echo):
     w = TruncateDataWidget()
     data = memoryview(b"x" * 30)
     w.set_state(
@@ -170,7 +170,7 @@ def test_set_state_data_truncate(echo, dummy_comm_fixture):
     assert buffers[0] == data[:20].tobytes()
 
 
-def test_set_state_numbers_int(echo, dummy_comm_fixture):
+def test_set_state_numbers_int(echo):
     # JS does not differentiate between float/int.
     # Instead, it formats exact floats as ints in JSON (1.0 -> '1').
 
@@ -188,7 +188,7 @@ def test_set_state_numbers_int(echo, dummy_comm_fixture):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_numbers_float(echo, dummy_comm_fixture):
+def test_set_state_numbers_float(echo):
     w = NumberWidget()
     # Set floats to int-like floats
     w.set_state(dict(f=1.0, cf=2.0, ci=4.0))
@@ -196,7 +196,7 @@ def test_set_state_numbers_float(echo, dummy_comm_fixture):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_float_to_float(echo, dummy_comm_fixture):
+def test_set_state_float_to_float(echo):
     w = NumberWidget()
     # Set floats to float
     w.set_state(
@@ -209,7 +209,7 @@ def test_set_state_float_to_float(echo, dummy_comm_fixture):
     assert len(w.comm.messages) == (1 if echo else 0)
 
 
-def test_set_state_cint_to_float(echo, dummy_comm_fixture):
+def test_set_state_cint_to_float(echo):
     w = NumberWidget()
 
     # Set CInt to float
@@ -236,7 +236,7 @@ def _x_test_set_state_int_to_int_like():
     assert len(w.comm.messages) == 0
 
 
-def test_set_state_int_to_float(echo, dummy_comm_fixture):
+def test_set_state_int_to_float(echo):
     w = NumberWidget()
 
     # Set Int to float
@@ -244,7 +244,7 @@ def test_set_state_int_to_float(echo, dummy_comm_fixture):
         w.set_state(dict(i=3.5))
 
 
-def test_property_lock(echo, dummy_comm_fixture):
+def test_property_lock(echo):
     # when this widget's value is set to 42, it sets itself to 2, and then back to 42 again (and then stops)
     class AnnoyingWidget(Widget):
         value = Float().tag(sync=True)
@@ -275,7 +275,7 @@ def _propagate_value(self, change):
     widget._send.assert_has_calls(calls)
 
 
-def test_hold_sync(echo, dummy_comm_fixture):
+def test_hold_sync(echo):
     # when this widget's value is set to 42, it sets the value to 2, and also sets a different trait value
     class AnnoyingWidget(Widget):
         value = Float().tag(sync=True)
@@ -310,7 +310,7 @@ def _propagate_value(self, change):
     widget._send.assert_has_calls(calls)
 
 
-def test_echo(dummy_comm_fixture):
+def test_echo():
     # we always echo values back to the frontend
     class ValueWidget(Widget):
         value = Float().tag(sync=True)
@@ -331,7 +331,7 @@ class ValueWidget(Widget):
     widget._send.assert_has_calls(calls)
 
 
-def test_echo_single(dummy_comm_fixture):
+def test_echo_single():
     # we always echo multiple changes back in 1 update
     class ValueWidget(Widget):
         value = Float().tag(sync=True)
@@ -373,7 +373,7 @@ def _square(self, change):
     widget._send.assert_has_calls(calls)
 
 
-def test_no_echo(dummy_comm_fixture):
+def test_no_echo():
     # in cases where values coming from the frontend are 'heavy', we might want to opt out
     class ValueWidget(Widget):
         value = Float().tag(sync=True, echo_update=False)
diff --git a/python/ipywidgets/ipywidgets/widgets/tests/utils.py b/python/ipywidgets/ipywidgets/widgets/tests/utils.py
index 97b5aa3fe4..d3d7016b6a 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/utils.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/utils.py
@@ -9,6 +9,7 @@
 # The new comm package is not available in our Python 3.7 CI (older ipykernel version)
 try:
     import comm
+
     NEW_COMM_PACKAGE = True
 except ImportError:
     NEW_COMM_PACKAGE = False
@@ -16,9 +17,10 @@
 import ipykernel.comm
 import pytest
 
-class DummyComm():
-    comm_id = 'a-b-c-d'
-    kernel = 'Truthy'
+
+class DummyComm:
+    comm_id = "a-b-c-d"
+    kernel = "Truthy"
 
     def __init__(self, *args, **kwargs):
         super().__init__()
@@ -59,6 +61,7 @@ def dummy_get_comm_manager(**kwargs):
     orig_create_comm = comm.create_comm
     orig_get_comm_manager = comm.get_comm_manager
 
+
 def setup_test_comm():
     if NEW_COMM_PACKAGE:
         comm.create_comm = dummy_create_comm
@@ -68,11 +71,14 @@ def setup_test_comm():
         ipykernel.comm.Comm = DummyComm
     Widget.comm.klass = DummyComm
     ipywidgets.widgets.widget.Comm = DummyComm
-    _widget_attrs['_repr_mimebundle_'] = Widget._repr_mimebundle_
+    _widget_attrs["_repr_mimebundle_"] = Widget._repr_mimebundle_
+
     def raise_not_implemented(*args, **kwargs):
         raise NotImplementedError()
+
     Widget._repr_mimebundle_ = raise_not_implemented
 
+
 def teardown_test_comm():
     if NEW_COMM_PACKAGE:
         comm.create_comm = orig_create_comm
@@ -89,12 +95,14 @@ def teardown_test_comm():
             setattr(Widget, attr, value)
     _widget_attrs.clear()
 
+
 @pytest.fixture(autouse=True)
 def setup():
     setup_test_comm()
     yield
     teardown_test_comm()
 
+
 def call_method(method, *args, **kwargs):
     method(*args, **kwargs)
 
@@ -105,4 +113,4 @@ def dummy_comm_fixture():
     try:
         yield
     finally:
-        teardown()
\ No newline at end of file
+        teardown_test_comm()
diff --git a/yarn.lock b/yarn.lock
index 0afe9c6969..decb4c3e96 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -732,11 +732,11 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupyter-widgets/base-manager@^1.0.9, @jupyter-widgets/base-manager@workspace:packages/base-manager":
+"@jupyter-widgets/base-manager@^1.0.11, @jupyter-widgets/base-manager@workspace:packages/base-manager":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/base-manager@workspace:packages/base-manager"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.8
+    "@jupyter-widgets/base": ^6.0.10
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
     "@lumino/coreutils": ^1.11.1 || ^2
     "@types/base64-js": ^1.2.5
@@ -770,7 +770,25 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/base@^6.0.8, @jupyter-widgets/base@workspace:packages/base":
+"@jupyter-widgets/base7@npm:@jupyter-widgets/base@4.1.6, @jupyter-widgets/base@npm:^4.1.6":
+  version: 4.1.6
+  resolution: "@jupyter-widgets/base@npm:4.1.6"
+  dependencies:
+    "@jupyterlab/services": ^6.0.0
+    "@lumino/coreutils": ^1.2.0
+    "@lumino/messaging": ^1.2.1
+    "@lumino/widgets": ^1.3.0
+    "@types/backbone": ^1.4.1
+    "@types/lodash": ^4.14.134
+    backbone: 1.2.3
+    base64-js: ^1.2.1
+    jquery: ^3.1.1
+    lodash: ^4.17.4
+  checksum: cdd11e8fd480a44b9e9f5a37529361c407456d9e2d2a09f35b8f067b65e915c132aaaaab8d8523f3c8c624e3403215d6eb56a21337f57213b75ebb377a26c208
+  languageName: node
+  linkType: hard
+
+"@jupyter-widgets/base@^6.0.10, @jupyter-widgets/base@workspace:packages/base":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/base@workspace:packages/base"
   dependencies:
@@ -812,11 +830,29 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/controls@^5.0.9, @jupyter-widgets/controls@workspace:packages/controls":
+"@jupyter-widgets/controls7@npm:@jupyter-widgets/controls@3.1.6":
+  version: 3.1.6
+  resolution: "@jupyter-widgets/controls@npm:3.1.6"
+  dependencies:
+    "@jupyter-widgets/base": ^4.1.6
+    "@lumino/algorithm": ^1.1.0
+    "@lumino/domutils": ^1.1.0
+    "@lumino/messaging": ^1.2.1
+    "@lumino/signaling": ^1.2.0
+    "@lumino/widgets": ^1.3.0
+    d3-format: ^1.3.0
+    jquery: ^3.1.1
+    jquery-ui: ^1.12.1
+    underscore: ^1.8.3
+  checksum: 9c69ebe9ce22d7e7cf3cd66dc849505c1433da4424d8daa7411d85f41027d5600c20c2350d703fe582fd44a4b5d11ad8b404fe058b686f17cd47bafd41547646
+  languageName: node
+  linkType: hard
+
+"@jupyter-widgets/controls@^5.0.11, @jupyter-widgets/controls@workspace:packages/controls":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/controls@workspace:packages/controls"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.8
+    "@jupyter-widgets/base": ^6.0.10
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
     "@lumino/algorithm": ^1.9.2 || ^2.0.1
     "@lumino/domutils": ^1.8.1 || ^2.1
@@ -866,9 +902,9 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/example-web1@workspace:examples/web1"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.8
-    "@jupyter-widgets/base-manager": ^1.0.9
-    "@jupyter-widgets/controls": ^5.0.9
+    "@jupyter-widgets/base": ^6.0.10
+    "@jupyter-widgets/base-manager": ^1.0.11
+    "@jupyter-widgets/controls": ^5.0.11
     chai: ^4.0.0
     css-loader: ^6.5.1
     karma: ^6.3.3
@@ -887,9 +923,9 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/example-web2@workspace:examples/web2"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.8
-    "@jupyter-widgets/base-manager": ^1.0.9
-    "@jupyter-widgets/controls": ^5.0.9
+    "@jupyter-widgets/base": ^6.0.10
+    "@jupyter-widgets/base-manager": ^1.0.11
+    "@jupyter-widgets/controls": ^5.0.11
     codemirror: ^5.48.0
     css-loader: ^6.5.1
     font-awesome: ^4.7.0
@@ -902,9 +938,9 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/example-web3@workspace:examples/web3"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.8
-    "@jupyter-widgets/controls": ^5.0.9
-    "@jupyter-widgets/html-manager": ^1.0.11
+    "@jupyter-widgets/base": ^6.0.10
+    "@jupyter-widgets/controls": ^5.0.11
+    "@jupyter-widgets/html-manager": ^1.0.13
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
     "@types/codemirror": ^5.60.0
     "@types/node": ^17.0.2
@@ -924,7 +960,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/example-web4@workspace:examples/web4"
   dependencies:
-    "@jupyter-widgets/html-manager": ^1.0.11
+    "@jupyter-widgets/html-manager": ^1.0.13
     css-loader: ^6.5.1
     font-awesome: ^4.7.0
     style-loader: ^3.3.1
@@ -932,16 +968,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/html-manager@^1.0.11, @jupyter-widgets/html-manager@workspace:packages/html-manager":
+"@jupyter-widgets/html-manager@^1.0.13, @jupyter-widgets/html-manager@workspace:packages/html-manager":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/html-manager@workspace:packages/html-manager"
   dependencies:
     "@fortawesome/fontawesome-free": ^5.12.0
-    "@jupyter-widgets/base": ^6.0.8
-    "@jupyter-widgets/base-manager": ^1.0.9
-    "@jupyter-widgets/controls": ^5.0.9
-    "@jupyter-widgets/output": ^6.0.8
-    "@jupyter-widgets/schema": ^0.5.5
+    "@jupyter-widgets/base": ^6.0.10
+    "@jupyter-widgets/base-manager": ^1.0.11
+    "@jupyter-widgets/base7": "npm:@jupyter-widgets/base@4.1.6"
+    "@jupyter-widgets/controls": ^5.0.11
+    "@jupyter-widgets/controls7": "npm:@jupyter-widgets/controls@3.1.6"
+    "@jupyter-widgets/output": ^6.0.10
+    "@jupyter-widgets/schema": ^0.5.6
     "@jupyterlab/outputarea": ^3.0.0 || ^4.0.0
     "@jupyterlab/rendermime": ^3.0.0 || ^4.0.0
     "@jupyterlab/rendermime-interfaces": ^3.0.0 || ^4.0.0
@@ -979,10 +1017,10 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/jupyterlab-manager@workspace:python/jupyterlab_widgets"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.8
-    "@jupyter-widgets/base-manager": ^1.0.9
-    "@jupyter-widgets/controls": ^5.0.9
-    "@jupyter-widgets/output": ^6.0.8
+    "@jupyter-widgets/base": ^6.0.10
+    "@jupyter-widgets/base-manager": ^1.0.11
+    "@jupyter-widgets/controls": ^5.0.11
+    "@jupyter-widgets/output": ^6.0.10
     "@jupyterlab/application": ^3.0.0 || ^4.0.0
     "@jupyterlab/apputils": ^3.0.0 || ^4.0.0
     "@jupyterlab/builder": ^3.0.0 || ^4.0.0
@@ -1035,11 +1073,11 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/notebook-manager@workspace:python/widgetsnbextension"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.8
-    "@jupyter-widgets/base-manager": ^1.0.9
-    "@jupyter-widgets/controls": ^5.0.9
-    "@jupyter-widgets/html-manager": ^1.0.11
-    "@jupyter-widgets/output": ^6.0.8
+    "@jupyter-widgets/base": ^6.0.10
+    "@jupyter-widgets/base-manager": ^1.0.11
+    "@jupyter-widgets/controls": ^5.0.11
+    "@jupyter-widgets/html-manager": ^1.0.13
+    "@jupyter-widgets/output": ^6.0.10
     "@jupyterlab/services": ^6.0.0 || ^7.0.0
     "@lumino/messaging": ^1.10.1 || ^2.0.1
     "@lumino/widgets": ^1.30.0 || ^2.1
@@ -1053,17 +1091,17 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/output@^6.0.8, @jupyter-widgets/output@workspace:packages/output":
+"@jupyter-widgets/output@^6.0.10, @jupyter-widgets/output@workspace:packages/output":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/output@workspace:packages/output"
   dependencies:
-    "@jupyter-widgets/base": ^6.0.8
+    "@jupyter-widgets/base": ^6.0.10
     rimraf: ^3.0.2
     typescript: ~4.9.4
   languageName: unknown
   linkType: soft
 
-"@jupyter-widgets/schema@^0.5.5, @jupyter-widgets/schema@workspace:packages/schema":
+"@jupyter-widgets/schema@^0.5.6, @jupyter-widgets/schema@workspace:packages/schema":
   version: 0.0.0-use.local
   resolution: "@jupyter-widgets/schema@workspace:packages/schema"
   languageName: unknown
@@ -2847,6 +2885,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@lumino/algorithm@npm:^1.1.0, @lumino/algorithm@npm:^1.9.0, @lumino/algorithm@npm:^1.9.2":
+  version: 1.9.2
+  resolution: "@lumino/algorithm@npm:1.9.2"
+  checksum: a89e7c63504236119634858e271db1cc649684d30ced5a6ebe2788af7c0837f1e05a6fd3047d8525eb756c42ce137f76b3688f75fd3ef915b71cd4f213dfbb96
+  languageName: node
+  linkType: hard
+
 "@lumino/algorithm@npm:^1.11.1 || ^2.0.0, @lumino/algorithm@npm:^1.9.2 || ^2.0.1, @lumino/algorithm@npm:^2.0.1":
   version: 2.0.1
   resolution: "@lumino/algorithm@npm:2.0.1"
@@ -2865,6 +2910,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@lumino/collections@npm:^1.9.3":
+  version: 1.9.3
+  resolution: "@lumino/collections@npm:1.9.3"
+  dependencies:
+    "@lumino/algorithm": ^1.9.2
+  checksum: 1c87a12743eddd6f6b593e47945a5645e2f99ad61c5192499b0745e48ee9aff263c7145541e77dfeea4c9f50bdd017fddfa47bfc60e718de4f28533ce45bf8c3
+  languageName: node
+  linkType: hard
+
 "@lumino/collections@npm:^2.0.1":
   version: 2.0.1
   resolution: "@lumino/collections@npm:2.0.1"
@@ -2987,6 +3041,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@lumino/messaging@npm:^1.10.0, @lumino/messaging@npm:^1.10.3, @lumino/messaging@npm:^1.2.1":
+  version: 1.10.3
+  resolution: "@lumino/messaging@npm:1.10.3"
+  dependencies:
+    "@lumino/algorithm": ^1.9.2
+    "@lumino/collections": ^1.9.3
+  checksum: 1131e80379fa9b8a9b5d3418c90e25d4be48e2c92ec711518190772f9e8845a695bef45daddd06a129168cf6f158c8ad80ae86cb245f566e9195bbd9a0843b7a
+  languageName: node
+  linkType: hard
+
 "@lumino/messaging@npm:^1.10.1 || ^2.0.1, @lumino/messaging@npm:^2.0.1":
   version: 2.0.1
   resolution: "@lumino/messaging@npm:2.0.1"
@@ -4978,7 +5042,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ajv@npm:^6.12.4, ajv@npm:^6.12.5":
+"ajv@npm:^6.12.3, ajv@npm:^6.12.4, ajv@npm:^6.12.5":
   version: 6.12.6
   resolution: "ajv@npm:6.12.6"
   dependencies:
@@ -5325,6 +5389,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"backbone@npm:1.2.3":
+  version: 1.2.3
+  resolution: "backbone@npm:1.2.3"
+  dependencies:
+    underscore: ">=1.7.0"
+  checksum: 7e460e9e951bcba0907334d41ccc4bd84b5d17658e72fc61f4c7e1057c238e82f97d3545582cfa0501cb824ee2d44f78a45cd18f735d869e6b71430a0c183073
+  languageName: node
+  linkType: hard
+
 "backbone@npm:1.4.0":
   version: 1.4.0
   resolution: "backbone@npm:1.4.0"
@@ -9822,7 +9895,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"json5@npm:^2.1.2, json5@npm:^2.2.2, json5@npm:^2.2.3":
+"json5@npm:^2.1.1, json5@npm:^2.1.2, json5@npm:^2.2.2, json5@npm:^2.2.3":
   version: 2.2.3
   resolution: "json5@npm:2.2.3"
   bin:
@@ -16300,6 +16373,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ws@npm:^7.4.6":
+  version: 7.5.10
+  resolution: "ws@npm:7.5.10"
+  peerDependencies:
+    bufferutil: ^4.0.1
+    utf-8-validate: ^5.0.2
+  peerDependenciesMeta:
+    bufferutil:
+      optional: true
+    utf-8-validate:
+      optional: true
+  checksum: f9bb062abf54cc8f02d94ca86dcd349c3945d63851f5d07a3a61c2fcb755b15a88e943a63cf580cbdb5b74436d67ef6b67f745b8f7c0814e411379138e1863cb
+  languageName: node
+  linkType: hard
+
 "ws@npm:^8.11.0, ws@npm:~8.11.0":
   version: 8.11.0
   resolution: "ws@npm:8.11.0"

From 7fa9cba62169062eb4ef1e1856c55742a3a45c1c Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Tue, 10 Sep 2024 19:29:16 +1000
Subject: [PATCH 11/15] Simplify tooltips to work everywhere

---
 packages/base/src/widget.ts                 | 12 ++++--------
 packages/controls/src/widget_bool.ts        |  8 --------
 packages/controls/src/widget_description.ts |  6 ------
 packages/controls/src/widget_selection.ts   |  6 ------
 packages/controls/src/widget_string.ts      | 12 ------------
 5 files changed, 4 insertions(+), 40 deletions(-)

diff --git a/packages/base/src/widget.ts b/packages/base/src/widget.ts
index 46c6b0d9c7..bcd7d64f7a 100644
--- a/packages/base/src/widget.ts
+++ b/packages/base/src/widget.ts
@@ -1101,18 +1101,14 @@ export class DOMWidgetView extends WidgetView {
   }
 
   updateTooltip(): void {
-    const title = this.tooltip;
-    if (!title) {
-      this.el.removeAttribute('title');
-    } else if (!this.model.get('description')) {
+    const title = this.model.get('tooltip') ?? this.model.get('description');
+    if (title) {
       this.el.setAttribute('title', title);
+    } else {
+      this.el.removeAttribute('title');
     }
   }
 
-  get tooltip() {
-    return this.model.get('tooltip') ?? this.model.get('description');
-  }
-
   /**
    * Update the DOM classes applied to an element, default to this.el.
    */
diff --git a/packages/controls/src/widget_bool.ts b/packages/controls/src/widget_bool.ts
index bb7e0ee72a..8f2a67b521 100644
--- a/packages/controls/src/widget_bool.ts
+++ b/packages/controls/src/widget_bool.ts
@@ -179,14 +179,6 @@ export class CheckboxView extends DescriptionView {
     }
   }
 
-  updateTooltip(): void {
-    super.updateTooltip();
-    if (!this.checkbox) return; // we might be constructing the parent
-    const title = this.tooltip;
-    this.checkbox.setAttribute('title', title);
-    this.descriptionSpan.setAttribute('title', title);
-  }
-
   events(): { [e: string]: string } {
     return {
       'click input[type="checkbox"]': '_handle_click',
diff --git a/packages/controls/src/widget_description.ts b/packages/controls/src/widget_description.ts
index 67aec82c32..fba21c7422 100644
--- a/packages/controls/src/widget_description.ts
+++ b/packages/controls/src/widget_description.ts
@@ -97,12 +97,6 @@ export class DescriptionView extends DOMWidgetView {
     }
   }
 
-  updateTooltip(): void {
-    super.updateTooltip();
-    if (!this.label) return;
-    this.label.title = this.tooltip;
-  }
-
   label: HTMLLabelElement;
 }
 
diff --git a/packages/controls/src/widget_selection.ts b/packages/controls/src/widget_selection.ts
index 8269b61fbf..050723c9c3 100644
--- a/packages/controls/src/widget_selection.ts
+++ b/packages/controls/src/widget_selection.ts
@@ -67,12 +67,6 @@ export class SelectionView extends DescriptionView {
     }
   }
 
-  updateTooltip(): void {
-    super.updateTooltip();
-    if (!this.listbox) return; // we might be constructing the parent
-    this.listbox.setAttribute('title', this.tooltip);
-  }
-
   listbox: HTMLSelectElement;
 }
 
diff --git a/packages/controls/src/widget_string.ts b/packages/controls/src/widget_string.ts
index 3c708398d8..bf00a3f34b 100644
--- a/packages/controls/src/widget_string.ts
+++ b/packages/controls/src/widget_string.ts
@@ -378,12 +378,6 @@ export class TextareaView extends StringView {
     }
   }
 
-  updateTooltip(): void {
-    super.updateTooltip();
-    if (!this.textbox) return; // we might be constructing the parent
-    this.textbox.setAttribute('title', this.tooltip);
-  }
-
   events(): { [e: string]: string } {
     return {
       'keydown input': 'handleKeyDown',
@@ -500,12 +494,6 @@ export class TextView extends StringView {
     }
   }
 
-  updateTooltip(): void {
-    super.updateTooltip();
-    if (!this.textbox) return; // we might be constructing the parent
-    this.textbox.setAttribute('title', this.tooltip);
-  }
-
   update(options?: any): void {
     /**
      * Update the contents of this view

From 234752c512b3bc1b149740793180a81b0c08719e Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Wed, 11 Sep 2024 18:39:19 +1000
Subject: [PATCH 12/15] Remove unnecessary code.

---
 python/ipywidgets/ipywidgets/widgets/tests/utils.py   | 10 ----------
 python/ipywidgets/ipywidgets/widgets/widget_box.py    |  3 +--
 python/ipywidgets/ipywidgets/widgets/widget_output.py |  1 -
 3 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/python/ipywidgets/ipywidgets/widgets/tests/utils.py b/python/ipywidgets/ipywidgets/widgets/tests/utils.py
index d3d7016b6a..f382742fd4 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/utils.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/utils.py
@@ -1,7 +1,6 @@
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 
-import pytest
 
 from ipywidgets import Widget
 import ipywidgets.widgets.widget
@@ -105,12 +104,3 @@ def setup():
 
 def call_method(method, *args, **kwargs):
     method(*args, **kwargs)
-
-
-@pytest.fixture
-def dummy_comm_fixture():
-    setup()
-    try:
-        yield
-    finally:
-        teardown_test_comm()
diff --git a/python/ipywidgets/ipywidgets/widgets/widget_box.py b/python/ipywidgets/ipywidgets/widgets/widget_box.py
index 598bb40ef2..50804bb28c 100644
--- a/python/ipywidgets/ipywidgets/widgets/widget_box.py
+++ b/python/ipywidgets/ipywidgets/widgets/widget_box.py
@@ -77,8 +77,7 @@ class Box(DOMWidget, CoreWidget):
     >>> widgets.Box([title_widget, slider])
     """
     _model_name = Unicode('BoxModel').tag(sync=True)
-    _view_name = Unicode('BoxView').tag(sync=True)
-    tooltip = Unicode('', allow_none=True, help='A tooltip caption.').tag(sync=True)
+    _view_name = Unicode("BoxView").tag(sync=True)
     validate_mode = CaselessStrEnum(['raise', 'log_warning', 'log_error'], 'raise')
 
     # Child widgets in the container.
diff --git a/python/ipywidgets/ipywidgets/widgets/widget_output.py b/python/ipywidgets/ipywidgets/widgets/widget_output.py
index c8729d9fed..150ac93471 100644
--- a/python/ipywidgets/ipywidgets/widgets/widget_output.py
+++ b/python/ipywidgets/ipywidgets/widgets/widget_output.py
@@ -59,7 +59,6 @@ def func():
 
     msg_id = Unicode('', help="Parent message id of messages to capture").tag(sync=True)
     outputs = TypedTuple(trait=Dict(), help="The output messages synced from the frontend.").tag(sync=True)
-    tooltip = Unicode('', allow_none=True, help="A tooltip caption.").tag(sync=True)
 
     __counter = 0
 

From 9d5a482a4cbc3bcc19d4ce3ad5be22f23b99cc97 Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Thu, 12 Sep 2024 18:13:28 +1000
Subject: [PATCH 13/15] Update the widget model specification for 'Children'.

---
 docs/source/dev_install.md                    |  1 +
 .../schema/jupyterwidgetmodels.latest.json    | 42 ++++---------------
 packages/schema/jupyterwidgetmodels.latest.md | 14 +++----
 3 files changed, 15 insertions(+), 42 deletions(-)

diff --git a/docs/source/dev_install.md b/docs/source/dev_install.md
index ad90794b4b..56d2bd90a8 100644
--- a/docs/source/dev_install.md
+++ b/docs/source/dev_install.md
@@ -90,6 +90,7 @@ To update the widget model specification with changes, do something like this in
 ```
 python ./packages/schema/generate-spec.py -f json-pretty packages/schema/jupyterwidgetmodels.latest.json
 python ./packages/schema/generate-spec.py -f markdown packages/schema/jupyterwidgetmodels.latest.md
+jlpm prettier
 ```
 
 ## Releasing new versions
diff --git a/packages/schema/jupyterwidgetmodels.latest.json b/packages/schema/jupyterwidgetmodels.latest.json
index 0cefeb25bf..6a2b37ccef 100644
--- a/packages/schema/jupyterwidgetmodels.latest.json
+++ b/packages/schema/jupyterwidgetmodels.latest.json
@@ -441,12 +441,8 @@
       {
         "default": [],
         "help": "List of widget children",
-        "items": {
-          "type": "reference",
-          "widget": "Widget"
-        },
         "name": "children",
-        "type": "array"
+        "type": "Children"
       },
       {
         "default": "reference to new instance",
@@ -935,12 +931,8 @@
       {
         "default": [],
         "help": "List of widget children",
-        "items": {
-          "type": "reference",
-          "widget": "Widget"
-        },
         "name": "children",
-        "type": "array"
+        "type": "Children"
       },
       {
         "default": "reference to new instance",
@@ -3753,12 +3745,8 @@
       {
         "default": [],
         "help": "List of widget children",
-        "items": {
-          "type": "reference",
-          "widget": "Widget"
-        },
         "name": "children",
-        "type": "array"
+        "type": "Children"
       },
       {
         "default": "reference to new instance",
@@ -3850,12 +3838,8 @@
       {
         "default": [],
         "help": "List of widget children",
-        "items": {
-          "type": "reference",
-          "widget": "Widget"
-        },
         "name": "children",
-        "type": "array"
+        "type": "Children"
       },
       {
         "default": "reference to new instance",
@@ -6643,12 +6627,8 @@
       {
         "default": [],
         "help": "List of widget children",
-        "items": {
-          "type": "reference",
-          "widget": "Widget"
-        },
         "name": "children",
-        "type": "array"
+        "type": "Children"
       },
       {
         "default": "reference to new instance",
@@ -6756,12 +6736,8 @@
       {
         "default": [],
         "help": "List of widget children",
-        "items": {
-          "type": "reference",
-          "widget": "Widget"
-        },
         "name": "children",
-        "type": "array"
+        "type": "Children"
       },
       {
         "default": "reference to new instance",
@@ -7914,12 +7890,8 @@
       {
         "default": [],
         "help": "List of widget children",
-        "items": {
-          "type": "reference",
-          "widget": "Widget"
-        },
         "name": "children",
-        "type": "array"
+        "type": "Children"
       },
       {
         "default": "reference to new instance",
diff --git a/packages/schema/jupyterwidgetmodels.latest.md b/packages/schema/jupyterwidgetmodels.latest.md
index eb7e7147b8..bc061245f2 100644
--- a/packages/schema/jupyterwidgetmodels.latest.md
+++ b/packages/schema/jupyterwidgetmodels.latest.md
@@ -76,7 +76,7 @@ that the widget is registered with.
 | `_view_module_version`  | string                                                               | `'2.0.0'`                     |
 | `_view_name`            | string                                                               | `'AccordionView'`             |
 | `box_style`             | string (one of `'success'`, `'info'`, `'warning'`, `'danger'`, `''`) | `''`                          | Use a predefined styling for the box.                                                                                             |
-| `children`              | array of reference to Widget widget                                  | `[]`                          | List of widget children                                                                                                           |
+| `children`              | Children                                                             | `[]`                          | List of widget children                                                                                                           |
 | `layout`                | reference to Layout widget                                           | reference to new instance     |
 | `selected_index`        | `null` or number (integer)                                           | `null`                        | The index of the selected page. This is either an integer selecting a particular sub-widget, or None to have no widgets selected. |
 | `tabbable`              | `null` or boolean                                                    | `null`                        | Is widget tabbable?                                                                                                               |
@@ -163,7 +163,7 @@ that the widget is registered with.
 | `_view_module_version`  | string                                                               | `'2.0.0'`                     |
 | `_view_name`            | string                                                               | `'BoxView'`                   |
 | `box_style`             | string (one of `'success'`, `'info'`, `'warning'`, `'danger'`, `''`) | `''`                          | Use a predefined styling for the box.     |
-| `children`              | array of reference to Widget widget                                  | `[]`                          | List of widget children                   |
+| `children`              | Children                                                             | `[]`                          | List of widget children                   |
 | `layout`                | reference to Layout widget                                           | reference to new instance     |
 | `tabbable`              | `null` or boolean                                                    | `null`                        | Is widget tabbable?                       |
 | `tooltip`               | `null` or string                                                     | `null`                        | A tooltip caption.                        |
@@ -663,7 +663,7 @@ that the widget is registered with.
 | `_view_module_version`  | string                                                               | `'2.0.0'`                     |
 | `_view_name`            | string                                                               | `'GridBoxView'`               |
 | `box_style`             | string (one of `'success'`, `'info'`, `'warning'`, `'danger'`, `''`) | `''`                          | Use a predefined styling for the box.     |
-| `children`              | array of reference to Widget widget                                  | `[]`                          | List of widget children                   |
+| `children`              | Children                                                             | `[]`                          | List of widget children                   |
 | `layout`                | reference to Layout widget                                           | reference to new instance     |
 | `tabbable`              | `null` or boolean                                                    | `null`                        | Is widget tabbable?                       |
 | `tooltip`               | `null` or string                                                     | `null`                        | A tooltip caption.                        |
@@ -680,7 +680,7 @@ that the widget is registered with.
 | `_view_module_version`  | string                                                               | `'2.0.0'`                     |
 | `_view_name`            | string                                                               | `'HBoxView'`                  |
 | `box_style`             | string (one of `'success'`, `'info'`, `'warning'`, `'danger'`, `''`) | `''`                          | Use a predefined styling for the box.     |
-| `children`              | array of reference to Widget widget                                  | `[]`                          | List of widget children                   |
+| `children`              | Children                                                             | `[]`                          | List of widget children                   |
 | `layout`                | reference to Layout widget                                           | reference to new instance     |
 | `tabbable`              | `null` or boolean                                                    | `null`                        | Is widget tabbable?                       |
 | `tooltip`               | `null` or string                                                     | `null`                        | A tooltip caption.                        |
@@ -1179,7 +1179,7 @@ that the widget is registered with.
 | `_view_module_version`  | string                                                               | `'2.0.0'`                     |
 | `_view_name`            | string                                                               | `'StackView'`                 |
 | `box_style`             | string (one of `'success'`, `'info'`, `'warning'`, `'danger'`, `''`) | `''`                          | Use a predefined styling for the box.                                                                                             |
-| `children`              | array of reference to Widget widget                                  | `[]`                          | List of widget children                                                                                                           |
+| `children`              | Children                                                             | `[]`                          | List of widget children                                                                                                           |
 | `layout`                | reference to Layout widget                                           | reference to new instance     |
 | `selected_index`        | `null` or number (integer)                                           | `null`                        | The index of the selected page. This is either an integer selecting a particular sub-widget, or None to have no widgets selected. |
 | `tabbable`              | `null` or boolean                                                    | `null`                        | Is widget tabbable?                                                                                                               |
@@ -1198,7 +1198,7 @@ that the widget is registered with.
 | `_view_module_version`  | string                                                               | `'2.0.0'`                     |
 | `_view_name`            | string                                                               | `'TabView'`                   |
 | `box_style`             | string (one of `'success'`, `'info'`, `'warning'`, `'danger'`, `''`) | `''`                          | Use a predefined styling for the box.                                                                                             |
-| `children`              | array of reference to Widget widget                                  | `[]`                          | List of widget children                                                                                                           |
+| `children`              | Children                                                             | `[]`                          | List of widget children                                                                                                           |
 | `layout`                | reference to Layout widget                                           | reference to new instance     |
 | `selected_index`        | `null` or number (integer)                                           | `null`                        | The index of the selected page. This is either an integer selecting a particular sub-widget, or None to have no widgets selected. |
 | `tabbable`              | `null` or boolean                                                    | `null`                        | Is widget tabbable?                                                                                                               |
@@ -1402,7 +1402,7 @@ that the widget is registered with.
 | `_view_module_version`  | string                                                               | `'2.0.0'`                     |
 | `_view_name`            | string                                                               | `'VBoxView'`                  |
 | `box_style`             | string (one of `'success'`, `'info'`, `'warning'`, `'danger'`, `''`) | `''`                          | Use a predefined styling for the box.     |
-| `children`              | array of reference to Widget widget                                  | `[]`                          | List of widget children                   |
+| `children`              | Children                                                             | `[]`                          | List of widget children                   |
 | `layout`                | reference to Layout widget                                           | reference to new instance     |
 | `tabbable`              | `null` or boolean                                                    | `null`                        | Is widget tabbable?                       |
 | `tooltip`               | `null` or string                                                     | `null`                        | A tooltip caption.                        |

From 8286c7c402223a81bc8c3d2a707d86f2d4618733 Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Sat, 26 Oct 2024 18:39:49 +1100
Subject: [PATCH 14/15] Make _model_id a property

---
 .../ipywidgets/ipywidgets/widgets/widget.py   | 23 ++++++++-----------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/python/ipywidgets/ipywidgets/widgets/widget.py b/python/ipywidgets/ipywidgets/widgets/widget.py
index 1034f43e69..6eda43e809 100644
--- a/python/ipywidgets/ipywidgets/widgets/widget.py
+++ b/python/ipywidgets/ipywidgets/widgets/widget.py
@@ -471,7 +471,7 @@ def _get_embed_state(self, drop_defaults=False):
         return state
 
     def get_view_spec(self):
-        return {"version_major":2, "version_minor":0, "model_id": self._model_id}
+        return {"version_major": 2, "version_minor": 0, "model_id": self.model_id}
 
     #-------------------------------------------------------------------------
     # Traits
@@ -495,6 +495,8 @@ def get_view_spec(self):
 
     keys = List(help="The traits which are synced.")
 
+    _model_id: None | str = None
+
     @default('keys')
     def _default_keys(self):
         return [name for name in self.traits(sync=True)]
@@ -537,7 +539,7 @@ def _default_comm(self):
 
     def open(self):
         """Open a comm to the frontend if one isn't already open."""
-        assert self._model_id
+        assert self.model_id
 
 
     def _create_comm(self, comm_id=None):
@@ -564,7 +566,8 @@ def _comm_changed(self, change):
                 _instances.pop(change['old'].comm_id, None)
         if change['new']:
             if isinstance(_instances, dict):
-                _instances[change['new'].comm_id] = self        
+                _instances[change["new"].comm_id] = self
+                self._model_id = change["new"].comm_id
             
             # prevent memory leaks by using a weak reference to self.
             ref = weakref.ref(self)
@@ -578,14 +581,8 @@ def _handle_msg(msg):
 
             change['new'].on_msg(_handle_msg)
 
-
-
     @property
     def model_id(self):
-        return self._model_id
-    
-    @property
-    def _model_id(self):
         """Gets the model id of this widget.
 
         If a Comm doesn't exist yet, a Comm will be created automagically."""
@@ -864,10 +861,10 @@ def _repr_mimebundle_(self, **kwargs):
             # http://tools.ietf.org/html/rfc6838
             # and the currently registered mimetypes at
             # http://www.iana.org/assignments/media-types/media-types.xhtml.
-            data['application/vnd.jupyter.widget-view+json'] = {
-                'version_major': 2,
-                'version_minor': 0,
-                'model_id': self._model_id
+            data["application/vnd.jupyter.widget-view+json"] = {
+                "version_major": 2,
+                "version_minor": 0,
+                "model_id": self.model_id,
             }
             return data
 

From ca3d0cb0964e7ad333515399eb1600bcbe03c248 Mon Sep 17 00:00:00 2001
From: Alan Fleming <>
Date: Tue, 5 Nov 2024 08:16:29 +1100
Subject: [PATCH 15/15] Change _instances from 'global' variable to class
 variable.

---
 python/ipywidgets/ipywidgets/embed.py         |  6 +-
 .../ipywidgets/ipywidgets/tests/test_embed.py |  4 +-
 .../ipywidgets/widgets/tests/test_widget.py   | 39 ++------
 .../widgets/tests/test_widget_box.py          |  2 -
 .../ipywidgets/ipywidgets/widgets/widget.py   | 96 +++++--------------
 python/ipywidgets/setup.cfg                   |  2 +
 6 files changed, 41 insertions(+), 108 deletions(-)

diff --git a/python/ipywidgets/ipywidgets/embed.py b/python/ipywidgets/ipywidgets/embed.py
index ca58880092..e9bffbfd65 100644
--- a/python/ipywidgets/ipywidgets/embed.py
+++ b/python/ipywidgets/ipywidgets/embed.py
@@ -12,7 +12,7 @@
 
 import json
 import re
-from .widgets import Widget, DOMWidget, widget as widget_module
+from .widgets import Widget, DOMWidget
 from .widgets.widget_link import Link
 from .widgets.docutils import doc_subst
 from ._version import __html_manager_version__
@@ -129,7 +129,7 @@ def _get_recursive_state(widget, store=None, drop_defaults=False):
 
 def add_resolved_links(store, drop_defaults):
     """Adds the state of any link models between two models in store"""
-    for widget_id, widget in widget_module._instances.items(): # go over all widgets
+    for widget_id, widget in Widget._instances.items(): # go over all widgets
         if isinstance(widget, Link) and widget_id not in store:
             if widget.source[0].model_id in store and widget.target[0].model_id in store:
                 store[widget.model_id] = widget._get_embed_state(drop_defaults=drop_defaults)
@@ -207,7 +207,7 @@ def embed_data(views, drop_defaults=True, state=None):
         view_specs: a list of widget view specs
     """
     if views is None:
-        views = [w for w in widget_module._instances.values() if isinstance(w, DOMWidget)]
+        views = [w for w in Widget._instances.values() if isinstance(w, DOMWidget)]
     else:
         try:
             views[0]
diff --git a/python/ipywidgets/ipywidgets/tests/test_embed.py b/python/ipywidgets/ipywidgets/tests/test_embed.py
index a295442455..c5e6b97aa1 100644
--- a/python/ipywidgets/ipywidgets/tests/test_embed.py
+++ b/python/ipywidgets/ipywidgets/tests/test_embed.py
@@ -9,7 +9,7 @@
 
 import traitlets
 
-from ..widgets import IntSlider, IntText, Text, Widget, jslink, HBox, widget_serialization, widget as widget_module
+from ..widgets import IntSlider, IntText, Text, Widget, jslink, HBox, widget_serialization
 from ..embed import embed_data, embed_snippet, embed_minimal_html, dependency_state
 
 
@@ -29,7 +29,7 @@ class CaseWidget(Widget):
 class TestEmbed:
 
     def teardown(self):
-        for w in tuple(widget_module._instances.values()):
+        for w in tuple(Widget._instances.values()):
             w.close()
 
     def test_embed_data_simple(self):
diff --git a/python/ipywidgets/ipywidgets/widgets/tests/test_widget.py b/python/ipywidgets/ipywidgets/widgets/tests/test_widget.py
index 34fd9402a2..dbd949dd10 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/test_widget.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/test_widget.py
@@ -5,7 +5,6 @@
 
 import copy
 import gc
-import inspect
 import weakref
 
 import pytest
@@ -15,7 +14,6 @@
 
 import ipywidgets as ipw
 
-from .. import widget
 from ..widget import Widget
 from ..widget_button import Button
 
@@ -62,29 +60,12 @@ def test_close_all():
     # create a couple of widgets
     widgets = [Button() for i in range(10)]
 
-    assert len(widget._instances) > 0, "expect active widgets"
-    assert widget._instances[widgets[0].model_id] is widgets[0]
+    assert len(Widget._instances) > 0, "expect active widgets"
+    assert Widget._instances[widgets[0].model_id] is widgets[0]
     # close all the widgets
     Widget.close_all()
 
-    assert len(widget._instances) == 0, "active widgets should be cleared"
-
-
-def test_compatibility():
-    button = Button()
-    assert widget._instances[button.model_id] is button
-    with pytest.deprecated_call() as record:
-        assert widget._instances is widget.Widget.widgets
-        assert widget._instances is widget.Widget._active_widgets
-        assert widget._registry is widget.Widget.widget_types
-        assert widget._registry is widget.Widget._widget_types
-
-        Widget.close_all()
-        assert not widget.Widget.widgets
-        assert not widget.Widget._active_widgets
-    caller_path = inspect.stack(context=0)[1].filename
-    assert all(x.filename == caller_path for x in record)
-    assert len(record) == 6
+    assert len(Widget._instances) == 0, "active widgets should be cleared"
 
 
 def test_widget_copy():
@@ -98,12 +79,12 @@ def test_widget_copy():
 def test_widget_open():
     button = Button()
     model_id = button.model_id
-    assert model_id in widget._instances
+    assert model_id in Widget._instances
     spec = button.get_view_spec()
     assert list(spec) == ["version_major", "version_minor", "model_id"]
     assert spec["model_id"]
     button.close()
-    assert model_id not in widget._instances
+    assert model_id not in Widget._instances
     with pytest.raises(RuntimeError, match="Widget is closed"):
         button.open()
     with pytest.raises(RuntimeError, match="Widget is closed"):
@@ -225,7 +206,7 @@ def my_click(self, b):
         b = TestButton(description="button")
         weakref.finalize(b, on_delete)
         b_ref = weakref.ref(b)
-        assert b in widget._instances.values()
+        assert b in Widget._instances.values()
 
         b.on_click(b.my_click)
         b.on_click(lambda x: setattr(x, "clicked", True))
@@ -235,11 +216,11 @@ def my_click(self, b):
 
         if weakref_enabled:
             ipw.enable_weakreference()
-            assert b in widget._instances.values(), "Instances not transferred"
+            assert b in Widget._instances.values(), "Instances not transferred"
             ipw.disable_weakreference()
-            assert b in widget._instances.values(), "Instances not transferred"
+            assert b in Widget._instances.values(), "Instances not transferred"
             ipw.enable_weakreference()
-            assert b in widget._instances.values(), "Instances not transferred"
+            assert b in Widget._instances.values(), "Instances not transferred"
 
         b.click()
         assert click_count == 2
@@ -251,7 +232,7 @@ def my_click(self, b):
             assert deleted
         else:
             assert not deleted
-            assert b_ref() in widget._instances.values()
+            assert b_ref() in Widget._instances.values()
             b_ref().close()
             gc.collect()
             assert deleted, "Closing should remove the last strong reference."
diff --git a/python/ipywidgets/ipywidgets/widgets/tests/test_widget_box.py b/python/ipywidgets/ipywidgets/widgets/tests/test_widget_box.py
index 5d50324d08..021e3f4c78 100644
--- a/python/ipywidgets/ipywidgets/widgets/tests/test_widget_box.py
+++ b/python/ipywidgets/ipywidgets/widgets/tests/test_widget_box.py
@@ -57,7 +57,6 @@ def test_box_validate_mode():
 
 
 def test_box_gc():
-    widgets.VBox._active_widgets
     widgets.enable_weakreference()
     # Test Box gc collected and children lifecycle managed.
     try:
@@ -80,6 +79,5 @@ def on_delete():
         del b
         gc.collect()
         assert deleted
-        widgets.VBox._active_widgets
     finally:
         widgets.disable_weakreference()
diff --git a/python/ipywidgets/ipywidgets/widgets/widget.py b/python/ipywidgets/ipywidgets/widgets/widget.py
index 6eda43e809..c95850132b 100644
--- a/python/ipywidgets/ipywidgets/widgets/widget.py
+++ b/python/ipywidgets/ipywidgets/widgets/widget.py
@@ -19,8 +19,6 @@
 
 from base64 import standard_b64encode
 
-from .utils import deprecation, _get_frame
-
 from .._version import __protocol_version__, __control_protocol_version__, __jupyter_widgets_base_version__
 
 import inspect
@@ -43,29 +41,24 @@ def envset(name, default):
 JUPYTER_WIDGETS_ECHO = envset('JUPYTER_WIDGETS_ECHO', default=True)
 # for a discussion on using weak references see:
 #  https://github.com/jupyter-widgets/ipywidgets/issues/1345
-_instances : typing.MutableMapping[str, "Widget"] = {}
 
 def enable_weakreference():
-    """Use a WeakValueDictionary instead of a standard dictionary to map 
-    `comm_id` to `widget` for every widget instance.
+    """Use a WeakValueDictionary to store references to Widget instances.
 
-    By default widgets are mapped using a standard dictionary. Use this feature
-    to permit widget garbage collection. 
+    A strong reference must be kept to widgets. 
     """
-    global _instances
-    if not isinstance(_instances, weakref.WeakValueDictionary):
-        _instances  = weakref.WeakValueDictionary(_instances)
+    if not isinstance(Widget._instances, weakref.WeakValueDictionary):
+        Widget._instances = weakref.WeakValueDictionary(Widget._instances)
 
 def disable_weakreference():
-    """Use a Dictionary to map `comm_id` to `widget` for every widget instance.
-    
-    Note: this is the default setting and maintains a strong reference to the 
-    the widget preventing automatic garbage collection. If the close method
-    is called, the widget will remove itself enabling garbage collection.
+    """Use a standard dictionary to store references to Widget instances (default behavior).
+
+    Note: this is the default setting and maintains a strong reference to the
+    the widget preventing automatic garbage collection. When the widget is closed
+    it can be garbage collected.
     """
-    global _instances
-    if  isinstance(_instances, weakref.WeakValueDictionary):
-        _instances  = dict(_instances)
+    if isinstance(Widget._instances, weakref.WeakValueDictionary):
+        Widget._instances = dict(Widget._instances)
 
 def _widget_to_json(x, obj):
     if isinstance(x, Widget):
@@ -82,8 +75,8 @@ def _json_to_widget(x, obj):
         return {k: _json_to_widget(v, obj) for k, v in x.items()}
     elif isinstance(x, (list, tuple)):
         return [_json_to_widget(v, obj) for v in x]
-    elif isinstance(x, str) and x.startswith('IPY_MODEL_') and x[10:] in _instances:
-        return _instances[x[10:]]
+    elif isinstance(x, str) and x.startswith("IPY_MODEL_") and x[10:] in Widget._instances:
+        return Widget._instances[x[10:]]
     else:
         return x
 
@@ -314,50 +307,12 @@ class Widget(LoggingHasTraits):
     #-------------------------------------------------------------------------
     _widget_construction_callback = None
     _control_comm = None
-    
-    @_staticproperty
-    def widgets():
-        # Because this is a static attribute, it will be accessed when initializing this class. In that case, since a user
-        # did not explicitly try to use this attribute, we do not want to throw a deprecation warning.
-        # So we check if the thing calling this static property is one of the known initialization functions in traitlets.
-        frame = _get_frame(2)
-        if not (frame.f_code.co_filename == TRAITLETS_FILE and (frame.f_code.co_name in ('getmembers', 'setup_instance', 'setup_class'))):
-            deprecation("Widget.widgets is deprecated.")
-        return _instances
-
-    @_staticproperty
-    def _active_widgets():
-        # Because this is a static attribute, it will be accessed when initializing this class. In that case, since a user
-        # did not explicitly try to use this attribute, we do not want to throw a deprecation warning.
-        # So we check if the thing calling this static property is one of the known initialization functions in traitlets.
-        frame = _get_frame(2)
-        if not (frame.f_code.co_filename == TRAITLETS_FILE and (frame.f_code.co_name in ('getmembers', 'setup_instance', 'setup_class'))):
-            deprecation("Widget._active_widgets is deprecated.")
-        return _instances
-
-    @_staticproperty
-    def _widget_types():
-        # Because this is a static attribute, it will be accessed when initializing this class. In that case, since a user
-        # did not explicitly try to use this attribute, we do not want to throw a deprecation warning.
-        # So we check if the thing calling this static property is one of the known initialization functions in traitlets.
-        frame = _get_frame(2)
-        if not (frame.f_code.co_filename == TRAITLETS_FILE and (frame.f_code.co_name in ('getmembers', 'setup_instance', 'setup_class'))):
-            deprecation("Widget._widget_types is deprecated.")
-        return _registry
-
-    @_staticproperty
-    def widget_types():
-        # Because this is a static attribute, it will be accessed when initializing this class. In that case, since a user
-        # did not explicitly try to use this attribute, we do not want to throw a deprecation warning.
-        # So we check if the thing calling this static property is one of the known initialization functions in traitlets.
-        frame = _get_frame(2)
-        if not (frame.f_code.co_filename == TRAITLETS_FILE and (frame.f_code.co_name in ('getmembers', 'setup_instance', 'setup_class'))):
-            deprecation("Widget.widget_types is deprecated.")
-        return _registry
+
+    _instances: typing.ClassVar[typing.MutableMapping[str, "Widget"]] = {}
 
     @classmethod
     def close_all(cls):
-        for widget in list(_instances.values()):
+        for widget in list(Widget._instances.values()):
             widget.close()
 
     @staticmethod
@@ -399,7 +354,7 @@ def _handle_control_comm_msg(cls, msg):
         if method == 'request_states':
             # Send back the full widgets state
             cls.get_manager_state()
-            widgets = _instances.values()
+            widgets = cls._instances.values()
             full_state = {}
             drop_defaults = False
             for widget in widgets:
@@ -440,8 +395,8 @@ def handle_comm_opened(comm, msg):
             _put_buffers(state, data['buffer_paths'], msg['buffers'])
         widget.set_state(state)
 
-    @staticmethod
-    def get_manager_state(drop_defaults=False, widgets=None):
+    @classmethod
+    def get_manager_state(cls, drop_defaults=False, widgets=None):
         """Returns the full state for a widget manager for embedding
 
         :param drop_defaults: when True, it will not include default value
@@ -450,7 +405,7 @@ def get_manager_state(drop_defaults=False, widgets=None):
         """
         state = {}
         if widgets is None:
-            widgets = _instances.values()
+            widgets = cls._instances.values()
         for widget in widgets:
             state[widget.model_id] = widget._get_embed_state(drop_defaults=drop_defaults)
         return {'version_major': 2, 'version_minor': 0, 'state': state}
@@ -561,14 +516,11 @@ def _comm_changed(self, change):
         if change['old']:
             change['old'].on_msg(None)
             change['old'].close()
-            # On python shutdown _instances can be None
-            if isinstance(_instances, dict):
-                _instances.pop(change['old'].comm_id, None)
+            self._instances.pop(change['old'].comm_id, None)
         if change['new']:
-            if isinstance(_instances, dict):
-                _instances[change["new"].comm_id] = self
-                self._model_id = change["new"].comm_id
-            
+            self._instances[change["new"].comm_id] = self
+            self._model_id = change["new"].comm_id
+
             # prevent memory leaks by using a weak reference to self.
             ref = weakref.ref(self)
             def _handle_msg(msg):
diff --git a/python/ipywidgets/setup.cfg b/python/ipywidgets/setup.cfg
index 36fbdf847c..c3fb6a9fda 100644
--- a/python/ipywidgets/setup.cfg
+++ b/python/ipywidgets/setup.cfg
@@ -23,6 +23,8 @@ classifiers =
   Programming Language :: Python :: 3.9
   Programming Language :: Python :: 3.10
   Programming Language :: Python :: 3.11
+  Programming Language :: Python :: 3.12
+  Programming Language :: Python :: 3.13
   Programming Language :: Python :: 3 :: Only
   Framework :: Jupyter