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import gzip
from typing import Callable, List
from fastapi import Body, FastAPI, Request, Response
from fastapi.routing import APIRoute
class GzipRequest(Request):
async def body(self) -> bytes:
if not hasattr(self, "_body"):
body = await super().body()
if "gzip" in self.headers.getlist("Content-Encoding"):
body = gzip.decompress(body)
self._body = body
return self._body
class GzipRoute(APIRoute):
def get_route_handler(self) -> Callable:
original_route_handler = super().get_route_handler()
async def custom_route_handler(request: Request) -> Response:
request = GzipRequest(request.scope, request.receive)
return await original_route_handler(request)
return custom_route_handler
app = FastAPI()
app.router.route_class = GzipRoute
@app.post("/sum")
async def sum_numbers(numbers: List[int] = Body()):
return {"sum": sum(numbers)}
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