Contents 1 Tornado Documentation, Release 5.1.1 2 Contents CHAPTER 1 Quick links • Current version: 5.1.1 (download from PyPI, release notes) • Source (github) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • Twisted may be used with the classes in tornado.platform.twisted. yield expressions, and with the coroutine’s caller by returning a Future. Here is a simplified version of the coroutine decorator’s inner loop: 14 Chapter 5. Documentation Tornado Documentation, Release

CONTENTS 1Tornado Documentation, Release 6.5.1 2 CONTENTSCHAPTER ONE QUICK LINKS • Current version: 6.5.1 (download from PyPI, release notes) • Source (GitHub) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • pycares is an alternative non-blocking DNS resolver that can be used yield expressions, and with the coroutine’s caller by returning a Future. Here is a simplified version of the coroutine decorator’s inner loop: # Simplified inner loop of tornado.gen.Runner def run(self):

CONTENTS 1 Tornado Documentation, Release 6.4 2 CONTENTS CHAPTER ONE QUICK LINKS • Current version: 6.4 (download from PyPI, release notes) • Source (GitHub) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • pycares is an alternative non-blocking DNS resolver that can be used yield expressions, and with the coroutine’s caller by returning a Future. Here is a simplified version of the coroutine decorator’s inner loop: # Simplified inner loop of tornado.gen.Runner def run(self):

CONTENTS 1 Tornado Documentation, Release 6.4 2 CONTENTS CHAPTER ONE QUICK LINKS • Current version: 6.4 (download from PyPI, release notes) • Source (GitHub) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • pycares is an alternative non-blocking DNS resolver that can be used yield expressions, and with the coroutine’s caller by returning a Future. Here is a simplified version of the coroutine decorator’s inner loop: # Simplified inner loop of tornado.gen.Runner def run(self):

CONTENTS 1 Tornado Documentation, Release 6.4 2 CONTENTS CHAPTER ONE QUICK LINKS • Current version: 6.4 (download from PyPI, release notes) • Source (GitHub) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • pycares is an alternative non-blocking DNS resolver that can be used yield expressions, and with the coroutine’s caller by returning a Future. Here is a simplified version of the coroutine decorator’s inner loop: # Simplified inner loop of tornado.gen.Runner def run(self):

CONTENTS 1 Tornado Documentation, Release 6.3.3 2 CONTENTS CHAPTER ONE QUICK LINKS • Current version: 6.3.3 (download from PyPI, release notes) • Source (GitHub) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • pycares is an alternative non-blocking DNS resolver that can be used yield expressions, and with the coroutine’s caller by returning a Future. Here is a simplified version of the coroutine decorator’s inner loop: # Simplified inner loop of tornado.gen.Runner def run(self):

Contents 1 Tornado Documentation, Release 6.1 2 Contents CHAPTER 1 Quick links • Current version: 6.1 (download from PyPI, release notes) • Source (GitHub) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • Twisted may be used with the classes in tornado.platform.twisted. a Future. 16 Chapter 6. Documentation Tornado Documentation, Release 6.1 Here is a simplified version of the coroutine decorator’s inner loop: # Simplified inner loop of tornado.gen.Runner def run(self):

CONTENTS 1 Tornado Documentation, Release 6.2 2 CONTENTS CHAPTER ONE QUICK LINKS • Current version: 6.2 (download from PyPI, release notes) • Source (GitHub) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • pycares is an alternative non-blocking DNS resolver that can be used yield expressions, and with the coroutine’s caller by returning a Future. Here is a simplified version of the coroutine decorator’s inner loop: # Simplified inner loop of tornado.gen.Runner def run(self):

and other applications that require a long-lived connection to each user. Quick links Current version: 5.1.1 (download from PyPI [https://pypi.python.org/pypi/tornado], release notes) Source (github) pycurl [http://pycurl.sourceforge.net] is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. Twisted [http://www.twistedmatrix.com] may be used with the classes in [http://groups.google.com/group/python-tornado- announce]. Tornado is available under the Apache License, Version 2.0 [http://www.apache.org/licenses/LICENSE-2.0.html]. This web site and all documentation is licensed

CONTENTS 1 Tornado Documentation, Release 6.0.4 2 CONTENTS CHAPTER ONE QUICK LINKS • Current version: 6.0.4 (download from PyPI, release notes) • Source (GitHub) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • Twisted may be used with the classes in tornado.platform.twisted. yield expressions, and with the coroutine’s caller by returning a Future. Here is a simplified version of the coroutine decorator’s inner loop: # Simplified inner loop of tornado.gen.Runner def run(self):