Add modal app

modal_app.py

@@ -0,0 +1,67 @@
+import modal
+from pathlib import Path
+import sys
+
+# Current directory path
+src_dir = Path(__file__).parent / "src"
+agent_dir = src_dir / "yt_agent"
+gradio_dir = src_dir / "yt_gradio"
+rag_dir = src_dir / "yt_rag"
+
+# Create Modal image with required dependencies
+web_image = modal.Image.debian_slim(python_version="3.10").pip_install(
+    "python-dotenv",
+    "fastapi[standard]==0.115.4",
+    "gradio[mcp]==5.33.0",
+    "requests",
+    "smolagents",
+    # Add any other dependencies you need
+).add_local_file(rag_dir / "rag.py", "/root/src/yt_rag/rag.py") \
+.add_local_file(gradio_dir / "app.py", "/root/src/yt_gradio/app.py") \
+.add_local_file(agent_dir / "agent.py", "/root/src/yt_agent/agent.py") \
+.add_local_file(agent_dir / "prompts.py", "/root/src/yt_agent/prompts.py") \
+.add_local_file(agent_dir / "tools.py", "/root/src/yt_agent/tools.py") \
+.add_local_file(src_dir / "schemas.py", "/root/src/schemas.py")
+
+app = modal.App("youtwo-gradio", image=web_image)
+
+# Modal limits
+MAX_CONCURRENT_USERS = 10
+MINUTES = 60  # seconds
+TIME_LIMIT = 10 * MINUTES  # time limit (3540 seconds, just under the 3600s maximum)
+
+# This volume will store any local files needed by the app
+volume = modal.Volume.from_name("youtwo-volume", create_if_missing=True)
+
+@app.function(
+    volumes={"/data": volume},
+    secrets=[
+        modal.Secret.from_name("vectara"),
+        modal.Secret.from_name("nebius")
+    ],
+    max_containers=1,
+    scaledown_window=TIME_LIMIT,  # 3540 seconds, within the allowed 2-3600 second range
+)
+@modal.asgi_app()
+def gradio_app():
+    from fastapi import FastAPI
+    from gradio.routes import mount_gradio_app
+    
+    # Add /root to path for imports
+    sys.path.append("/root")
+    
+    # Import RAG functions
+    # from rag import is_allowed_filetype, upload_file_to_vectara, retrieve_chunks
+    from src.yt_gradio.app import get_gradio_blocks
+    
+    # ---------------------------
+    # Backend Functions
+    # ---------------------------
+    
+    blocks = get_gradio_blocks()    # Mount Gradio app to FastAPI for Modal
+    app = FastAPI()
+    return mount_gradio_app(app=app, blocks=blocks, path="/")
+
+
+if __name__ == "__main__":
+    gradio_app.serve(mcp_server=True)