Update app.py

app.py

@@ -1,7 +1,43 @@
-from fastapi import FastAPI
+import os
 
-app = FastAPI()
+from theflow.settings import settings as flowsettings
 
-@app.get("/")
-def greet_json():
-    return {"Hello": "World!"}
+KH_APP_DATA_DIR = getattr(flowsettings, "KH_APP_DATA_DIR", ".")
+GRADIO_TEMP_DIR = os.getenv("GRADIO_TEMP_DIR", None)
+# override GRADIO_TEMP_DIR if it's not set
+if GRADIO_TEMP_DIR is None:
+    GRADIO_TEMP_DIR = os.path.join(KH_APP_DATA_DIR, "gradio_tmp")
+    os.environ["GRADIO_TEMP_DIR"] = GRADIO_TEMP_DIR
+    
+    
+## monkey patching default settings
+from ktem.index.file.pipelines import DocumentRetrievalPipeline
+
+original_settings = DocumentRetrievalPipeline.get_user_settings
+
+def retrieval_default_settings():
+    print("Using custom default settings")
+    settings = original_settings()
+    settings["use_llm_reranking"] = {
+        "name": "Use LLM relevant scoring",
+        "value": False,
+        "choices": [True, False],
+        "component": "checkbox",
+    }
+    return settings
+
+DocumentRetrievalPipeline.get_user_settings = retrieval_default_settings
+
+
+from ktem.main import App  # noqa
+
+app = App()
+demo = app.make()
+demo.queue().launch(
+    favicon_path=app._favicon,
+    inbrowser=True,
+    allowed_paths=[
+        "libs/ktem/ktem/assets",
+        GRADIO_TEMP_DIR,
+    ],
+)