from random import randint from sanic import Sanic from sanic.response import text app = Sanic("Example") @app.middleware("request") def append_request(request): request.ctx.num = randint(0, 100) @app.get("/pop") def pop_handler(request): return text(request.ctx.num) @app.get("/key_exist") def key_exist_handler(request): # Check the key is exist or not if hasattr(request.ctx, "num"): return text("num exist in request") return text("num does not exist in request") if __name__ == "__main__": app.run(host="0.0.0.0", port=8000, debug=True)