Add X-Request-ID request header for mirroring custom IDs.

llama_cpp/server/app.py

@@ -12,12 +12,15 @@
 from anyio.streams.memory import MemoryObjectSendStream
 from starlette.concurrency import run_in_threadpool, iterate_in_threadpool
 from fastapi import Depends, FastAPI, APIRouter, Request, Response
+from fastapi.middleware import Middleware
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse
 from fastapi.routing import APIRoute
 from pydantic import BaseModel, Field
 from pydantic_settings import BaseSettings
 from sse_starlette.sse import EventSourceResponse
+from starlette_context import plugins
+from starlette_context.middleware import RawContextMiddleware
 
 import numpy as np
 import numpy.typing as npt
@@ -306,7 +309,17 @@ async def custom_route_handler(request: Request) -> Response:
 def create_app(settings: Optional[Settings] = None):
     if settings is None:
         settings = Settings()
+
+    middleware = [
+        Middleware(
+                RawContextMiddleware,
+                plugins=(
+                    plugins.RequestIdPlugin(),
+                )
+        )
+    ]
     app = FastAPI(
+        middleware=middleware,
         title="🦙 llama.cpp Python API",
         version="0.0.1",
     )

pyproject.toml

@@ -32,6 +32,7 @@ server = [
     "fastapi>=0.100.0",
     "pydantic-settings>=2.0.1",
     "sse-starlette>=1.6.1",
+    "starlette-context>=0.3.6,<0.4"
 ]
 test = [
     "pytest>=7.4.0",