designate python runtime test

Makefile

@@ -11,4 +11,5 @@ publish-vercel: install
 	 datasette publish vercel demo/happy_planet_index.db \
   			--project=datasette-nteract-data-explorer \
 				--scope=datasette-visualization-plugin-demos \
-				--token=${VERCEL_TOKEN}
+				--token=${VERCEL_TOKEN} \
+				--vercel-json=vercel.json

demo/requirements.txt

@@ -1,3 +1,5 @@
+
+# This is supposed to be added by the publish step.
 pysqlite3-binary
 sqlite-utils>=3.2
 datasette>=0.61

plugins/datasette_publish_vercel_functions.py

@@ -214,8 +214,8 @@ def _publish_vercel(
         {
             "name": project,
             "version": 2,
-            "builds": [{"src": "index.py", "use": "@vercel/python"}],
-            "routes": [{"src": "(.*)", "dest": "index.py"}],
+            "functions": {"api/index.py": {}},
+             "rewrites": [{ "source": "/(.*)", "destination": "api/index.py" }],
         },
         indent=4,
     )
@@ -257,7 +257,7 @@ def _publish_vercel(
 
         statics = [item[0] for item in static]
 
-        open("index.py", "w").write(
+        open("api/index.py", "w").write(
             INDEX_PY.format(
                 database_files=json.dumps([os.path.split(f)[-1] for f in files]),
                 extras=", {}".format(", ".join(extras)) if extras else "",

vercel.json

@@ -1,14 +1,8 @@
 {
   "name": "datasette-nteract-data-explorer",
   "version": 2,
-  "builds": [
-    {
-      "src": "index.py",
-      "use": "@vercel/python"
-    }
-  ],
   "functions": {
-      "index.py"
+    "api/index.py": {}
   },
-  "rewrites": [{ "src": "/(.*)", "dest": "index.py" }]
+  "rewrites": [{ "source": "/(.*)", "destination": "api/index.py" }]
 }