Upgrade to widget_code_input version 4 and tests for lab 4 (PR #45)

With widget_code_input 4 the WidgetCodeInput can now be used in lab 4.  The
tests have been updated to test support lab 4.

.github/workflows/tests-lab-4.yml

@@ -0,0 +1,37 @@
+name: Tests - lab 4
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    # Check all PR
+
+jobs:
+  tests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-22.04
+            python-version: "3.11"
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install Firefox
+      uses: browser-actions/setup-firefox@latest
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - run: pip install tox
+
+    - name: run Python tests
+      run: tox -e tests-lab-4
+
+    - name: run Python tests for coverage
+      run: tox -e coverage
+    - uses: codecov/codecov-action@v3
+      with:
+        files: coverage.xml
+        verbose: true

pyproject.toml

@@ -30,7 +30,7 @@ classifiers = [
 dependencies = [
   "ipywidgets>=8.0.0",
   "numpy<2.0.0",
-  "widget_code_input<4.0.0",
+  "widget_code_input>=4.0.13",
   "matplotlib",
   "termcolor"
 ]

src/scwidgets/cue/_widget_cue_figure.py

@@ -65,7 +65,12 @@ def __init__(
             # we close the figure so the figure is only contained in this widget
             # and not shown using plt.show()
             plt.close(self.figure)
-        elif matplotlib.backends.backend == "module://ipympl.backend_nbagg":
+        elif (
+            matplotlib.backends.backend == "module://ipympl.backend_nbagg"
+            or matplotlib.backends.backend == "widget"
+        ):
+            # jupyter lab 3 uses "module://ipympl.backend_nbagg"
+            # jupyter lab 4 uses "widget"
             with self:
                 self.figure.canvas.show()
         else:
@@ -83,7 +88,12 @@ def clear_display(self, wait=False):
         if matplotlib.backends.backend == "module://matplotlib_inline.backend_inline":
             self.clear_figure()
             self.clear_output(wait=wait)
-        elif matplotlib.backends.backend == "module://ipympl.backend_nbagg":
+        elif (
+            matplotlib.backends.backend == "module://ipympl.backend_nbagg"
+            or matplotlib.backends.backend == "widget"
+        ):
+            # jupyter lab 3 uses "module://ipympl.backend_nbagg"
+            # jupyter lab 4 uses "widget"
             self.clear_figure()
             if not (wait):
                 self.figure.canvas.draw_idle()
@@ -100,7 +110,12 @@ def draw_display(self):
         if matplotlib.backends.backend == "module://matplotlib_inline.backend_inline":
             with self:
                 display(self.figure)
-        elif matplotlib.backends.backend == "module://ipympl.backend_nbagg":
+        elif (
+            matplotlib.backends.backend == "module://ipympl.backend_nbagg"
+            or matplotlib.backends.backend == "widget"
+        ):
+            # jupyter lab 3 uses "module://ipympl.backend_nbagg"
+            # jupyter lab 4 uses "widget"
             self.figure.canvas.draw_idle()
             self.figure.canvas.flush_events()
         else:

tests/conftest.py

@@ -4,6 +4,7 @@
 from urllib.parse import urljoin
 
 import pytest
+from packaging.version import Version
 from selenium.common.exceptions import StaleElementReferenceException
 from selenium.webdriver.common.by import By
 from selenium.webdriver.support import expected_conditions
@@ -17,7 +18,7 @@
 JUPYTER_VERSION = None
 
 
-def get_jupyter_version() -> str:
+def get_jupyter_version() -> Version:
     """
     Function so we can update the jupyter version during initialization
     and use it in other files
@@ -45,7 +46,7 @@ def notebook_service():
         ["jupyter", f"{JUPYTER_TYPE}", "--version"]
     )
     # convert to string
-    JUPYTER_VERSION = jupyter_version.decode().replace("\n", "")
+    JUPYTER_VERSION = Version(jupyter_version.decode().replace("\n", ""))
 
     jupyter_process = subprocess.Popen(
         [
@@ -106,17 +107,20 @@ def _selenium_driver(nb_path):
 
         # jupyter lab < 4
         if JUPYTER_TYPE == "lab":
-            if get_jupyter_version() < "4.0.0":
+            if get_jupyter_version() < Version("4.0.0"):
                 restart_kernel_button_class_name = (
                     "bp3-button.bp3-minimal.jp-ToolbarButtonComponent.minimal.jp-Button"
                 )
                 restart_kernel_button_title_attribute = (
                     "Restart Kernel and Run All Cells…"
                 )
             else:
-                raise ValueError("jupyter lab > 4.0.0 is not supported.")
+                restart_kernel_button_class_name = "jp-ToolbarButtonComponent"
+                restart_kernel_button_title_attribute = (
+                    "Restart the kernel and run all cells"
+                )
         elif JUPYTER_TYPE == "notebook":
-            if get_jupyter_version() < "7.0.0":
+            if get_jupyter_version() < Version("7.0.0"):
                 restart_kernel_button_class_name = "btn.btn-default"
                 restart_kernel_button_title_attribute = (
                     "restart the kernel, then re-run the whole notebook (with dialog)"
@@ -169,15 +173,18 @@ def _selenium_driver(nb_path):
         # -------------------------------
 
         if JUPYTER_TYPE == "lab":
-            if get_jupyter_version() < "4.0.0":
+            if get_jupyter_version() < Version("4.0.0"):
                 restart_button_class_name = (
                     "jp-Dialog-button.jp-mod-accept.jp-mod-warn.jp-mod-styled"
                 )
                 restart_button_text = "Restart"
             else:
-                raise ValueError("jupyter lab > 4.0.0 is not supported.")
+                restart_button_class_name = (
+                    "jp-Dialog-button.jp-mod-accept.jp-mod-warn.jp-mod-styled"
+                )
+                restart_button_text = "Restart"
         elif JUPYTER_TYPE == "notebook":
-            if get_jupyter_version() < "7.0.0":
+            if get_jupyter_version() < Version("7.0.0"):
                 restart_button_class_name = "btn.btn-default.btn-sm.btn-danger"
                 restart_button_text = "Restart and Run All Cells"
             else: