Merge pull request #745 from thewtex/jupyter-notebook-7

jupyter notebook 7

Author: thewtex

itkwidgets/integrations/environment.py

@@ -1,5 +1,7 @@
 from enum import Enum
 from importlib import import_module
+from packaging import version
+import importlib_metadata
 import sys
 
 
@@ -28,7 +30,6 @@ def find_env():
             else:
                 return Env.SAGEMAKER
         except:
-            import sys
             if sys.platform == 'emscripten':
                 return Env.JUPYTERLITE
             return Env.HYPHA
@@ -38,22 +39,25 @@ def find_env():
 
 if ENVIRONMENT is not Env.JUPYTERLITE and ENVIRONMENT is not Env.HYPHA:
     if ENVIRONMENT is not Env.COLAB:
-        if ENVIRONMENT is Env.JUPYTER_NOTEBOOK and sys.version_info.minor > 7:
-            try:
-                import imjoy_jupyter_extension
-            except:
-                raise RuntimeError('imjoy-jupyter-extension is required. `pip install itkwidgets[notebook]` and refresh page.')
-        else:
+        if ENVIRONMENT is Env.JUPYTER_NOTEBOOK:
+            notebook_version = importlib_metadata.version('notebook')
+            if version.parse(notebook_version) < version.parse('7'):
+                raise RuntimeError('itkwidgets 1.0a51 and newer requires Jupyter notebook>=7.')
+        elif ENVIRONMENT is Env.JUPYTERLAB:
+            lab_version = importlib_metadata.version('jupyterlab')
+            if version.parse(lab_version) < version.parse('4'):
+                raise RuntimeError('itkwidgets 1.0a51 and newer requires jupyterlab>=4.')
+
+        try:
+            import_module("imjoy-jupyterlab-extension")
+        except ModuleNotFoundError:
             try:
-                import_module("imjoy-jupyterlab-extension")
+                import_module("imjoy_jupyterlab_extension")
             except ModuleNotFoundError:
-                try:
-                    import_module("imjoy_jupyterlab_extension")
-                except ModuleNotFoundError:
-                    if ENVIRONMENT is Env.JUPYTERLITE:
-                        raise RuntimeError('imjoy-jupyterlab-extension is required. Install the package and refresh page.')
-                    elif sys.version_info.minor > 7:
-                        raise RuntimeError('imjoy-jupyterlab-extension is required. `pip install itkwidgets[lab]` and refresh page.')
+                if ENVIRONMENT is Env.JUPYTERLITE:
+                    raise RuntimeError('imjoy-jupyterlab-extension is required. Install the package and refresh page.')
+                elif sys.version_info.minor > 7:
+                    raise RuntimeError('imjoy-jupyterlab-extension is required. `pip install itkwidgets[lab]` and refresh page.')
 
     try:
         import imjoy_elfinder

pyproject.toml

@@ -64,7 +64,6 @@ Source = "https://github.com/InsightSoftwareConsortium/itkwidgets"
 all = [
     "imjoy-jupyterlab-extension",
     "imjoy-elfinder[jupyter]",
-    "imjoy-jupyter-extension",
     "aiohttp <4.0"
 ]
 lab = [
@@ -82,7 +81,7 @@ cli = [
 ]
 
 notebook = [
-    "imjoy-jupyter-extension >=0.3.0",
+    "imjoy-jupyterlab-extension",
     "imjoy-elfinder[jupyter]"
 ]
 test = [