make the backend available over HTTP

react/Makefile

@@ -0,0 +1,3 @@
+pybackend_run:
+	pip install bottle
+	python pybackend.py

react/pybackend.py

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+from bottle import run, route, request, response
+from anki.pybackend import PythonBackend
+from anki import Collection
+import sys, os
+
+path = os.path.expanduser("~/test.anki2")
+if not os.path.exists(path):
+    print(f"to use, copy your collection to {path}")
+    sys.exit(1)
+
+col = Collection(path)
+backend = PythonBackend(col)
+
+@route('/request', method="POST")
+def proto_request():
+    response.content_type = 'application/protobuf'
+    return backend.run_command_bytes(request.body.read())
+
+run(host='localhost', port=5006)