Futures in parallel: from tornado.gen import multi async def parallel_fetch(url1, url2): resp1, resp2 = await multi([http_client.fetch(url1), http_client.fetch(url2)]) async def parallel_fetch_many(urls): fetch(url) for url in urls]) # responses is a list of HTTPResponses in the same order async def parallel_fetch_dict(urls): responses = await multi({url: http_client.fetch(url) for url in urls}) # responses In decorated coroutines, it is possible to yield the list or dict directly: @gen.coroutine def parallel_fetch_decorated(url1, url2): resp1, resp2 = yield [http_client.fetch(url1), http_client.fetch(url2)]

Futures in parallel: from tornado.gen import multi async def parallel_fetch(url1, url2): resp1, resp2 = await multi([http_client.fetch(url1), http_client.fetch(url2)]) async def parallel_fetch_many(urls): fetch(url) for url in urls]) # responses is a list of HTTPResponses in the same order async def parallel_fetch_dict(urls): responses = await multi({url: http_client.fetch(url) for url in urls}) # responses In decorated coroutines, it is possible to yield the list or dict directly: @gen.coroutine def parallel_fetch_decorated(url1, url2): resp1, resp2 = yield [http_client.fetch(url1), http_client.fetch(url2)]

Futures in parallel: from tornado.gen import multi async def parallel_fetch(url1, url2): resp1, resp2 = await multi([http_client.fetch(url1), http_client.fetch(url2)]) async def parallel_fetch_many(urls): fetch(url) for url in urls]) # responses is a list of HTTPResponses in the same order async def parallel_fetch_dict(urls): responses = await multi({url: http_client.fetch(url) for url in urls}) # responses In decorated coroutines, it is possible to yield the list or dict directly: @gen.coroutine def parallel_fetch_decorated(url1, url2): resp1, resp2 = yield [http_client.fetch(url1), http_client.fetch(url2)]

dicts whose values are Futures, and waits for all of those Futures in parallel: from tornado.gen import multi async def parallel_fetch(url1, url2): resp1, resp2 = await multi([http_client.fetch(url1) async def parallel_fetch_many(urls): responses = await multi ([http_client.fetch(url) for url in urls]) # responses is a list of HTTPResponses in the same order async def parallel_fetch_dict(urls): In decorated coroutines, it is possible to yield the list or dict directly: @gen.coroutine def parallel_fetch_decorated(url1, url2): resp1, resp2 = yield [http_client.fetch(url1),

Futures in parallel: from tornado.gen import multi async def parallel_fetch(url1, url2): resp1, resp2 = await multi([http_client.fetch(url1), http_client.fetch(url2)]) async def parallel_fetch_many(urls): fetch(url) for url in urls]) # responses is a list of HTTPResponses in the same order async def parallel_fetch_dict(urls): responses = await multi({url: http_client.fetch(url) for url in urls}) # responses In decorated coroutines, it is possible to yield the list or dict directly: @gen.coroutine def parallel_fetch_decorated(url1, url2): resp1, resp2 = yield [http_client.fetch(url1), http_client.fetch(url2)]

Futures in parallel: @gen.coroutine def parallel_fetch(url1, url2): resp1, resp2 = yield [http_client.fetch(url1), http_client.fetch(url2)] @gen.coroutine def parallel_fetch_many(urls): for url in urls] # responses is a list of HTTPResponses in the same order @gen.coroutine def parallel_fetch_dict(urls): responses = yield {url: http_client.fetch(url) for in the formats used by HTML forms will be parsed for you and is made available in methods like get_query_argument and get_body_argument. class MyFormHandler(tornado.web.RequestHandler): def get(self):

all of those Futures in parallel: @gen.coroutine def parallel_fetch(url1, url2): resp1, resp2 = yield [http_client.fetch(url1), http_client.fetch(url2)] @gen.coroutine def parallel_fetch_many(urls): responses fetch(url) for url in urls] # responses is a list of HTTPResponses in the same order @gen.coroutine def parallel_fetch_dict(urls): responses = yield {url: http_client.fetch(url) for url in urls} # responses in the formats used by HTML forms will be parsed for you and is made available in methods like get_query_argument and get_body_argument. class MyFormHandler(tornado.web.RequestHandler): def get(self):

Futures in parallel: from tornado.gen import multi async def parallel_fetch(url1, url2): resp1, resp2 = await multi([http_client.fetch(url1), http_client.fetch(url2)]) async def parallel_fetch_many(urls): fetch(url) for url in urls]) # responses is a list of HTTPResponses in the same order async def parallel_fetch_dict(urls): responses = await multi({url: http_client.fetch(url) for url in urls}) # responses In decorated coroutines, it is possible to yield the list or dict directly: @gen.coroutine def parallel_fetch_decorated(url1, url2): resp1, resp2 = yield [http_client.fetch(url1), http_client.fetch(url2)]

Futures in parallel: from tornado.gen import multi async def parallel_fetch(url1, url2): resp1, resp2 = await multi([http_client.fetch(url1), http_client.fetch(url2)]) async def parallel_fetch_many(urls): fetch(url) for url in urls]) # responses is a list of HTTPResponses in the same order async def parallel_fetch_dict(urls): responses = await multi({url: http_client.fetch(url) for url in urls}) # responses In decorated coroutines, it is possible to yield the list or dict directly: @gen.coroutine def parallel_fetch_decorated(url1, url2): resp1, resp2 = yield [http_client.fetch(url1), http_client.fetch(url2)]

Futures in parallel: from tornado.gen import multi async def parallel_fetch(url1, url2): resp1, resp2 = await multi([http_client.fetch(url1), http_client.fetch(url2)]) async def parallel_fetch_many(urls): fetch(url) for url in urls]) # responses is a list of HTTPResponses in the same order async def parallel_fetch_dict(urls): responses = await multi({url: http_client.fetch(url) for url in urls}) # responses In decorated coroutines, it is possible to yield the list or dict directly: @gen.coroutine def parallel_fetch_decorated(url1, url2): resp1, resp2 = yield [http_client.fetch(url1), http_client.fetch(url2)]