. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 5.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 5.5 Coroutines i ii Tornado Documentation, Release 5.1.1 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale recommended for production deployment (even though Mac OS X is derived from BSD and supports kqueue, its networking performance is generally poor so it is recommended only for development use). Tornado will also

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 4.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 4.5 Coroutines i ii Tornado Documentation, Release 4.5.3 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale recommended for production deployment (even though Mac OS X is derived from BSD and supports kqueue, its networking performance is generally poor so it is recommended only for development use). Tornado will also

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 6.5 Coroutines i ii Tornado Documentation, Release 6.1 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale asyncio, which supports Windows, Tornado does not use the APIs that are necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.1 12 Chapter 5. Installation CHAPTER 6 Documentation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 6.5 Coroutines i ii Tornado Documentation, Release 6.0.4 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale recommended for production deployment (even though Mac OS X is derived from BSD and supports kqueue, its networking performance is generally poor so it is recommended only for development use). Tornado will also

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 6.5 Coroutines i ii Tornado Documentation, Release 6.4 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale asyncio, which supports Windows, Tornado does not use the APIs that are necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.4 12 Chapter 5. Installation CHAPTER SIX

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 6.5 Coroutines i ii Tornado Documentation, Release 6.4 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale asyncio, which supports Windows, Tornado does not use the APIs that are necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.4 12 Chapter 5. Installation CHAPTER SIX

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 6.5 Coroutines i ii Tornado Documentation, Release 6.4 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale asyncio, which supports Windows, Tornado does not use the APIs that are necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.4 12 Chapter 5. Installation CHAPTER SIX

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 6.5 Coroutines i ii Tornado Documentation, Release 6.3.3 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale asyncio, which supports Windows, Tornado does not use the APIs that are necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.3.3 12 Chapter 5. Installation CHAPTER SIX

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 6.5 Coroutines i ii Tornado Documentation, Release 6.2 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale asyncio, which supports Windows, Tornado does not use the APIs that are necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.2 12 Chapter 5. Installation CHAPTER SIX

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 6.5 Coroutines 259 iiiTornado Documentation, Release 6.5.1 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale asyncio, which supports Windows, Tornado does not use the APIs that are necessary for scalable networking on Windows). 11Tornado Documentation, Release 6.5.1 12 Chapter 5. InstallationCHAPTER SIX DOCUMENTATION