Authors Jan 06, 2018 Contents 1 Quick links 3 2 Hello, world 5 3 Installation 7 4 Documentation 9 4.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation CHAPTER 4 Documentation This documentation is also available in PDF and Epub formats. 4.1 User’s guide 4.1.1 Introduction Tornado is a Python web framework and asynchronous networking library returning a value from # a generator is not allowed and you must use # raise gen.Return(response.body) 4.1. User’s guide 11 Tornado Documentation, Release 4.5.3 # instead. return response.body Python 3.5:

What’s new in Tornado 4.3 What’s new in Tornado 4.2.1 What’s new in Tornado 4.2 What’s new in Tornado 4.1 What’s new in Tornado 4.0.2 What’s new in Tornado 4.0.1 What’s new in Tornado 4.0 What’s new in Tornado custom HTTP header named X-XSRFToken or X-CSRFToken (the latter is accepted for compatibility with Django). See http://en.wikipedia.org/wiki/Cross-site_request_forgery Prior to release 1.1.1, this check RequestHandlers and WSGI in the same server. Typical usage: wsgi_app = tornado.wsgi.WSGIContainer( django.core.handlers.wsgi.WSGIHandler()) application = tornado.web.Application([ (r"/foo", FooHandler)

custom HTTP header named X-XSRFToken or X-CSRFToken (the latter is accepted for compatibility with Django). See http://en.wikipedia.org/wiki/Cross-site_request_forgery Prior to release 1.1.1, this check RequestHandlers and WSGI in the same server. Typical usage: wsgi_app = tornado.wsgi.WSGIContainer( django.core.handlers.wsgi.WSGIHandler()) application = tornado.web.Application([ (r"/foo", FooHandler), documented in details here: https://docs.python.org/3.6/library/zlib.html#zlib. compressobj New in version 4.1. Changed in version 4.5: Added compression_level and mem_level. 74 Chapter 5. Documentation Tornado

What’s new in Tornado 4.3 What’s new in Tornado 4.2.1 What’s new in Tornado 4.2 What’s new in Tornado 4.1 What’s new in Tornado 4.0.2 What’s new in Tornado 4.0.1 What’s new in Tornado 4.0 What’s new in Tornado custom HTTP header named X-XSRFToken or X-CSRFToken (the latter is accepted for compatibility with Django). See http://en.wikipedia.org/wiki/Cross-site_request_forgery Prior to release 1.1.1, this check RequestHandlers and WSGI in the same server. Typical usage: wsgi_app = tornado.wsgi.WSGIContainer( django.core.handlers.wsgi.WSGIHandler()) application = tornado.web.Application([ (r"/foo", FooHandler)

custom HTTP header named X-XSRFToken or X-CSRFToken (the latter is accepted for compatibility with Django). See http://en.wikipedia.org/wiki/Cross-site_request_forgery Changed in version 3.2.2: Added support RequestHandlers and WSGI in the same server. Typical usage: wsgi_app = tornado.wsgi.WSGIContainer( django.core.handlers.wsgi.WSGIHandler()) application = tornado.web.Application([ (r"/foo", FooHandler), documented in details here: https://docs.python.org/3.6/library/zlib.html#zlib. compressobj New in version 4.1. Changed in version 4.5: Added compression_level and mem_level. WebSocketHandler.set_nodelay(value:

custom HTTP header named X-XSRFToken or X-CSRFToken (the latter is accepted for compatibility with Django). See http://en.wikipedia.org/wiki/Cross-site_request_forgery Changed in version 3.2.2: Added support RequestHandlers and WSGI in the same server. Typical usage: wsgi_app = tornado.wsgi.WSGIContainer( django.core.handlers.wsgi.WSGIHandler()) application = tornado.web.Application([ (r"/foo", FooHandler), documented in details here: https://docs.python.org/3.6/library/zlib.html#zlib. compressobj New in version 4.1. Changed in version 4.5: Added compression_level and mem_level. WebSocketHandler.set_nodelay(value:

custom HTTP header named X-XSRFToken or X-CSRFToken (the latter is accepted for compatibility with Django). See http://en.wikipedia.org/wiki/Cross-site_request_forgery Changed in version 3.2.2: Added support RequestHandlers and WSGI in the same server. Typical usage: wsgi_app = tornado.wsgi.WSGIContainer( django.core.handlers.wsgi.WSGIHandler()) application = tornado.web.Application([ (r"/foo", FooHandler), documented in details here: https://docs.python.org/3.6/library/zlib.html#zlib. compressobj New in version 4.1. Changed in version 4.5: Added compression_level and mem_level. WebSocketHandler.set_nodelay(value:

What’s new in Tornado 4.3 What’s new in Tornado 4.2.1 What’s new in Tornado 4.2 What’s new in Tornado 4.1 What’s new in Tornado 4.0.2 What’s new in Tornado 4.0.1 What’s new in Tornado 4.0 What’s new in Tornado custom HTTP header named X-XSRFToken or X-CSRFToken (the latter is accepted for compatibility with Django). See http://en.wikipedia.org/wiki/Cross-site_request_forgery Changed in version 3.2.2: Added support RequestHandlers and WSGI in the same server. Typical usage: wsgi_app = tornado.wsgi.WSGIContainer( django.core.handlers.wsgi.WSGIHandler()) application = tornado.web.Application([ (r"/foo", FooHandler)

What’s new in Tornado 4.3 What’s new in Tornado 4.2.1 What’s new in Tornado 4.2 What’s new in Tornado 4.1 What’s new in Tornado 4.0.2 What’s new in Tornado 4.0.1 What’s new in Tornado 4.0 What’s new in Tornado custom HTTP header named X-XSRFToken or X-CSRFToken (the latter is accepted for compatibility with Django). See http://en.wikipedia.org/wiki/Cross-site_request_forgery Changed in version 3.2.2: Added support RequestHandlers and WSGI in the same server. Typical usage: wsgi_app = tornado.wsgi.WSGIContainer( django.core.handlers.wsgi.WSGIHandler()) application = tornado.web.Application([ (r"/foo", FooHandler)

What’s new in Tornado 4.3 What’s new in Tornado 4.2.1 What’s new in Tornado 4.2 What’s new in Tornado 4.1 What’s new in Tornado 4.0.2 What’s new in Tornado 4.0.1 What’s new in Tornado 4.0 What’s new in Tornado custom HTTP header named X-XSRFToken or X-CSRFToken (the latter is accepted for compatibility with Django). See http://en.wikipedia.org/wiki/Cross-site_request_forgery Changed in version 3.2.2: Added support RequestHandlers and WSGI in the same server. Typical usage: wsgi_app = tornado.wsgi.WSGIContainer( django.core.handlers.wsgi.WSGIHandler()) application = tornado.web.Application([ (r"/foo", FooHandler)