write("Hello, world") def make_app(): return tornado.web.Application([ (r"/", MainHandler), ]) async def main(): app = make_app() app.listen(8888) await asyncio.Event().wait() if __name__ == "__main__": rewritten asynchronously as a native coroutine: from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) 6.5.1 from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen

write("Hello, world") def make_app(): return tornado.web.Application([ (r"/", MainHandler), ]) async def main(): app = make_app() app.listen(8888) await asyncio.Event().wait() if __name__ == "__main__": rewritten asynchronously as a native coroutine: from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) Release 6.4 from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen

write("Hello, world") def make_app(): return tornado.web.Application([ (r"/", MainHandler), ]) async def main(): app = make_app() app.listen(8888) await asyncio.Event().wait() if __name__ == "__main__": rewritten asynchronously as a native coroutine: from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) Release 6.4 from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen

write("Hello, world") def make_app(): return tornado.web.Application([ (r"/", MainHandler), ]) async def main(): app = make_app() app.listen(8888) await asyncio.Event().wait() if __name__ == "__main__": rewritten asynchronously as a native coroutine: from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) Release 6.4 from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen

write("Hello, world") def make_app(): return tornado.web.Application([ (r"/", MainHandler), ]) async def main(): app = make_app() app.listen(8888) await asyncio.Event().wait() if __name__ == "__main__": rewritten asynchronously as a native coroutine: from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) Release 6.2 from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen

write("Hello, world") def make_app(): return tornado.web.Application([ (r"/", MainHandler), ]) async def main(): app = make_app() app.listen(8888) await asyncio.Event().wait() if __name__ == "__main__": rewritten asynchronously as a native coroutine: from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) 6.3.3 from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen

than chaining callbacks. This is similar to the native coroutine feature introduced in Python 3.5 (async def). Native coroutines are recommended in place of the tornado.gen module when available. The Tornado Documentation Tornado Documentation, Release 5.1.1 from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) module: from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen

than chaining callbacks. This is similar to the native coroutine feature introduced in Python 3.5 (async def). Native coroutines are recommended in place of the tornado.gen module when available. The Tornado Documentation Tornado Documentation, Release 6.1 from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) module: from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen

than chaining callbacks. This is similar to the native coroutine feature introduced in Python 3.5 (async def). Native coroutines are recommended in place of the tornado.gen module when available. The Tornado rewritten asynchronously as a native coroutine: from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) 6.0.4 from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen

than chaining callbacks. This is similar to the native coroutine feature introduced in Python 3.5 (async def). Native coroutines are recommended in place of the tornado.gen module when available. The Tornado rewritten asynchronously as a native coroutine: from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client = AsyncHTTPClient() response = await http_client.fetch(url) module: from tornado.httpclient import AsyncHTTPClient from tornado import gen @gen.coroutine def async_fetch_gen(url): http_client = AsyncHTTPClient() response = yield http_client.fetch(url)