feat: Allow setting Pyodide version

Also upgrade default version to 0.26.4. Issue-66: #66 PR-67: #67 Co-authored-by: Timothée Mazzucotelli <[email protected]>
pawamoy · Dec 5, 2024 · 912c8c7 · 912c8c7
1 parent 3562fbb
commit 912c8c7
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Showing 2 changed files with 15 additions and 2 deletions.
diff --git a/docs/usage/pyodide.md b/docs/usage/pyodide.md
@@ -33,6 +33,18 @@ cowsay.cow("Hello World")
 Packages installed with Micropip are cached by the browser as well,
 making future installations much faster.
 
+## Pyodide version
+
+You can select a specific Pyodide version with the `version` option:
+
+````md
+```pyodide version="0.26.4"
+print("Hello.")
+```
+````md
+
+NOTE: **All Pyodide blocks on the same page should use the same version!**
+
 ## Sessions
 
 Editors with the same session share the same `globals()` dictionary,

diff --git a/src/markdown_exec/formatters/pyodide.py b/src/markdown_exec/formatters/pyodide.py
@@ -16,7 +16,7 @@
 assets = """
 <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.16.0/ace.js"></script>
 <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/highlight.min.js"></script>
-<script type="text/javascript" src="https://cdn.jsdelivr.net/pyodide/v0.23.0/full/pyodide.js"></script>
+<script type="text/javascript" src="https://cdn.jsdelivr.net/pyodide/v{version}/full/pyodide.js"></script>
 <link title="light" rel="alternate stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/tomorrow.min.css" disabled="disabled">
 <link title="dark" rel="alternate stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/tomorrow-night-blue.min.css" disabled="disabled">
 """
@@ -46,6 +46,7 @@
 def _format_pyodide(code: str, md: Markdown, session: str, extra: dict, **options: Any) -> str:  # noqa: ARG001
     global _counter  # noqa: PLW0603
     _counter += 1
+    version = extra.pop("version", "0.26.4").lstrip("v")
     install = extra.pop("install", "")
     install = install.split(",") if install else []
     exclude_assets = extra.pop("assets", "1").lower() in {"0", "false", "no", "off"}
@@ -66,4 +67,4 @@ def _format_pyodide(code: str, md: Markdown, session: str, extra: dict, **option
     rendered = template % data
     if exclude_assets:
         return rendered
-    return assets + rendered
+    return assets.format(version=version) + rendered