working version with some TODOs

app.py

@@ -10,7 +10,7 @@ from starlette.requests import Request
 from starlette.routing import Route
 
 client = httpx.AsyncClient()
-html_exporter = HTMLExporter(template_name="classic")
+html_exporter = HTMLExporter(template_name="lab")
 
 
 async def homepage(_):
@@ -25,6 +25,7 @@ async def convert(req: Request):
     url = req.query_params.get("url")
     if not url:
         raise HTTPException(400, "Param url is missing")
+    print("\n===", url)
     r = await client.get(
         url,
         headers={"Authorization": f"Bearer {os.environ.get('HF_TOKEN')}"},
@@ -40,7 +41,7 @@ async def convert(req: Request):
     try:
         notebook_node: NotebookNode = nbformat.reads(
             r.text,
-            as_version=4,
+            as_version=nbformat.current_nbformat,
         )
     except nbformat.reader.NotJSONError:
         print(400, f"Notebook is not JSON ({url})")
@@ -56,7 +57,10 @@ async def convert(req: Request):
         )
 
     print(f"Input: nbformat v{notebook_node.nbformat}.{notebook_node.nbformat_minor}")
-    return HTMLResponse("<strong>FOO</strong>")
+    body, _ = html_exporter.from_notebook_node(notebook_node)
+    # TODO(customize or simplify template?)
+    # TODO(also check source code for jupyter/nbviewer)
+    return HTMLResponse(body)
 
 
 app = Starlette(

requirements.txt

@@ -1,4 +1,5 @@
 httpx==0.23.3
 starlette==0.23.1
+ipython==8.8.0
 nbconvert==7.2.8
 uvicorn==0.20.0