return render_template("pizza_jinja.html", pizza=piz) if __name__ == "__main__": ### some debugging helpers import signal # pdb debug hook # ipdb hook try: import ipdb except: ipdb = None if ipdb: def start_ipdb(signal, trace): ipdb.set_trace() logg.info("setting up ipdb debugging hook...") signal.signal(signal.SIGQUIT, start_ipdb) else: import pdb def start_pdb(signal, trace): pdb.set_trace() logg.info("setting up pdb debugging hook...") signal.signal(signal.SIGQUIT, start_pdb) # adapted from flask.app.App.run() from werkzeug.serving import run_simple try: run_simple("localhost", 5000, wsgi_app, use_reloader=True, use_debugger=True) finally: app._got_first_request = False