Build with JupyterLite 0.5.0 + Pyodide kernel 0.5.1, plus miscellaneous JupyterLite REPL updates

jupyter_lite_config.json

@@ -1,6 +1,7 @@
 {
   "LiteBuildConfig": {
     "apps": ["repl"],
-    "no_unused_shared_packages": true
+    "no_unused_shared_packages": true,
+    "no_sourcemaps": true
   }
 }

requirements.txt

@@ -1,9 +1,11 @@
-# Core modules (mandatory)
-jupyterlab~=4.2.5
-jupyterlite-core>=0.4.5,<0.5
-
-# Python kernel (optional)
-jupyterlite-pyodide-kernel>=0.4.7,<0.5
+# Core modules and Pyodide kernel (mandatory)
+# Pyodide kernel versions 0.4.7 and 0.5.0 come with
+# Pyodide 0.27, with SymPy 1.13.3, respectively:
+# https://jupyterlite-pyodide-kernel.readthedocs.io/en/stable/#compatibility
+# https://pyodide.org/en/stable/usage/packages-in-pyodide.html
+# We constrain/pin them to avoid breaking changes on rebuilds.
+jupyterlite-core>=0.5.0,<0.6.0
+jupyterlite-pyodide-kernel==0.5.0
 
 # Specific to generating SymPy Live index page
 jinja2==3.1.5

templates/index.html

@@ -45,7 +45,8 @@
 
   $(document).ready(function() {
     // default iframe src with SymPy initcode
-    var iframe_src = "{{ host }}{{ path }}{{ query }}&code={{ initcode|urlencode }}";
+    // see https://jupyterlite.readthedocs.io/en/stable/quickstart/embed-repl.html#configuration for URL customisation
+    var iframe_src = "{{ host }}{{ path }}{{ query }}?kernel=python&execute=0?toolbar=1&code={{ initcode|urlencode }}";
     // check if we have additional statements to evaluate in the query string
     var statements = getURLParameter('evaluate');
     if (statements) {
@@ -92,7 +93,7 @@ <h3>Instructions</h3>
           {% trans %}Press ENTER to run the code or use the Run button in the toolbar.{% endtrans %}
         </p>
         <p id="loading_message">
-          {% trans %}Note it can take up to 30 seconds before the shell finishes loading and is ready to run commands.{% endtrans %}    
+          {% trans %}Note it can take up to 30 seconds before the shell finishes loading and is ready to run commands.{% endtrans %}
         </p>
       </div>
   </div>
@@ -119,8 +120,8 @@ <h3>{% trans %}About this page{% endtrans %}</h3>
     </pre>
   </p>
   <p>
-    {% trans %}SymPy Live shell is powered by{% endtrans %} <a href="https://jupyterlite.readthedocs.io/en/latest/">JupyterLite</a>.
-    {% trans %}It can take up to 30 seconds before the shell code and libraries load completely and become available for using interactively.{% endtrans %}    
+    {% trans %}SymPy Live shell is powered by{% endtrans %} <a href="https://jupyterlite.readthedocs.io/en/stable/">JupyterLite</a>.
+    {% trans %}It can take up to 30 seconds before the shell code and libraries load completely and become available for using interactively.{% endtrans %}
   </p>
 </div>
 
@@ -141,7 +142,7 @@ <h3>Example session</h3>
       </p>
 
       <p>
-        {% trans %}Read the tutorial in the SymPy docs to learn more about SymPy{% endtrans %}: 
+        {% trans %}Read the tutorial in the SymPy docs to learn more about SymPy{% endtrans %}:
         <a href="https://docs.sympy.org/tutorial/">{% trans %}SymPy Tutorial{% endtrans %}</a>.
       </p>
   </div>