58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
import os
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from fastapi import FastAPI, Request
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from fastapi.middleware.cors import CORSMiddleware
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import ollama
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from sqlmodel import SQLModel
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from contextlib import asynccontextmanager
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from api.routers.presentation.router import presentation_router
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from api.services.database import sql_engine
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from api.utils.supported_ollama_models import SUPPORTED_OLLAMA_MODELS
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from api.utils.utils import is_ollama_selected, update_env_with_user_config
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can_change_keys = os.getenv("CAN_CHANGE_KEYS") != "false"
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# Ollama model download
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if not can_change_keys and is_ollama_selected():
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ollama_model = os.getenv("OLLAMA_MODEL")
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pexels_api_key = os.getenv("PEXELS_API_KEY")
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if not (ollama_model or pexels_api_key):
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raise Exception("OLLAMA_MODEL and PEXELS_API_KEY must be provided")
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if ollama_model not in SUPPORTED_OLLAMA_MODELS:
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raise Exception(f"Model {ollama_model} is not supported")
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print("-" * 50)
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print("Pulling model: ", ollama_model)
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for event in ollama.pull(ollama_model, stream=True):
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print(event)
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print("Pulled model: ", ollama_model)
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print("-" * 50)
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@asynccontextmanager
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async def lifespan(_: FastAPI):
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os.makedirs(os.getenv("APP_DATA_DIRECTORY"), exist_ok=True)
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SQLModel.metadata.create_all(sql_engine)
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yield
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app = FastAPI(lifespan=lifespan)
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origins = ["*"]
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app.add_middleware(
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CORSMiddleware,
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allow_origins=origins,
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.middleware("http")
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async def update_env_middleware(request: Request, call_next):
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if can_change_keys:
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update_env_with_user_config()
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return await call_next(request)
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app.include_router(presentation_router)
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