U lu f@s6ddlZddlZddlZdZdZGdddejZdS)Nss # The event loop is not fork-safe, and it's easy to initialize an asyncio.Future # at startup, which in turn creates the default event loop and prevents forking. # Explicitly disallow the default event loop so that an error will be raised # if something tries to touch it. import asyncio asyncio.set_event_loop(None) import importlib import tornado for mod in tornado.__all__: if mod == "curl_httpclient": # This module has extra dependencies; skip it if they're not installed. try: import pycurl except ImportError: continue importlib.import_module(f"tornado.{mod}") s. import sys import tornado if "tornado.web" in sys.modules: raise Exception("unexpected eager import") # Trigger a lazy import by referring to something in a submodule. tornado.web.RequestHandler if "tornado.web" not in sys.modules: raise Exception("lazy import did not update sys.modules") c@s$eZdZddZddZddZdS) ImportTestcCs0tjtjgtjd}|t||jddSN)stdinr) subprocessPopensys executablePIPE communicate_import_everything assertEqual returncodeselfprocrs