import time from flask import Flask, Response app = Flask(__name__) @app.route("/") def slow(): time.sleep(90) return "Hello World!" @app.route("/echo/") def echo(text): return text @app.route("/echoh/") def echoh(text): return Response(response="see X-Test header", status=404, headers={ "X-Test": text, }) @app.route("/500") def e500(): return Response(status=500) @app.route("/404") def e404(): return Response(status=404) @app.route("/403") def e403(): return Response(status=403) if __name__ == "__main__": app.run(port=9999)