Contents 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 asyncio Integration 9 5 Installation 11 6 Documentation 13 6.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . Tornado. 9 Tornado Documentation, Release 6.1 10 Chapter 4. asyncio Integration CHAPTER 5 Installation pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.1 12 Chapter 5. Installation CHAPTER 6 Documentation This documentation is also available in PDF and Epub formats. 6.1

Tornado Authors Mar 01, 2019 Contents 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 Installation 9 5 Documentation 11 5.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . . blocking code. 7 Tornado Documentation, Release 5.1.1 8 Chapter 3. Threads and WSGI CHAPTER 4 Installation pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source from frameworks like AsyncIO or Twisted. 9 Tornado Documentation, Release 5.1.1 10 Chapter 4. Installation CHAPTER 5 Documentation This documentation is also available in PDF and Epub formats. 5.1

CONTENTS 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 asyncio Integration 9 5 Installation 11 6 Documentation 13 6.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . Tornado. 9 Tornado Documentation, Release 6.0.4 10 Chapter 4. asyncio Integration CHAPTER FIVE INSTALLATION pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source beginning of their main file/function. 11 Tornado Documentation, Release 6.0.4 12 Chapter 5. Installation CHAPTER SIX DOCUMENTATION This documentation is also available in PDF and Epub formats. 6

Release 4.5.3 The Tornado Authors Jan 06, 2018 Contents 1 Quick links 3 2 Hello, world 5 3 Installation 7 4 Documentation 9 4.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . . simple chat room. 5 Tornado Documentation, Release 4.5.3 6 Chapter 2. Hello, world CHAPTER 3 Installation pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source from frameworks like AsyncIO or Twisted. 7 Tornado Documentation, Release 4.5.3 8 Chapter 3. Installation CHAPTER 4 Documentation This documentation is also available in PDF and Epub formats. 4.1

CONTENTS 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 asyncio Integration 9 5 Installation 11 6 Documentation 13 6.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . Tornado. 9 Tornado Documentation, Release 6.4 10 Chapter 4. asyncio Integration CHAPTER FIVE INSTALLATION pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.4 12 Chapter 5. Installation CHAPTER SIX DOCUMENTATION This documentation is also available in PDF and Epub formats. 6

CONTENTS 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 asyncio Integration 9 5 Installation 11 6 Documentation 13 6.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . Tornado. 9 Tornado Documentation, Release 6.4 10 Chapter 4. asyncio Integration CHAPTER FIVE INSTALLATION pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.4 12 Chapter 5. Installation CHAPTER SIX DOCUMENTATION This documentation is also available in PDF and Epub formats. 6

CONTENTS 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 asyncio Integration 9 5 Installation 11 6 Documentation 13 6.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . Tornado. 9 Tornado Documentation, Release 6.4 10 Chapter 4. asyncio Integration CHAPTER FIVE INSTALLATION pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.4 12 Chapter 5. Installation CHAPTER SIX DOCUMENTATION This documentation is also available in PDF and Epub formats. 6

CONTENTS 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 asyncio Integration 9 5 Installation 11 6 Documentation 13 6.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . Tornado. 9 Tornado Documentation, Release 6.2 10 Chapter 4. asyncio Integration CHAPTER FIVE INSTALLATION pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source necessary for scalable networking on Windows). 11 Tornado Documentation, Release 6.2 12 Chapter 5. Installation CHAPTER SIX DOCUMENTATION This documentation is also available in PDF and Epub formats. 6

CONTENTS 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 asyncio Integration 9 5 Installation 11 6 Documentation 13 6.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . Tornado. 9 Tornado Documentation, Release 6.3.3 10 Chapter 4. asyncio Integration CHAPTER FIVE INSTALLATION pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source for scalable networking on Windows). 11 Tornado Documentation, Release 6.3.3 12 Chapter 5. Installation CHAPTER SIX DOCUMENTATION This documentation is also available in PDF and Epub formats. 6

2025CONTENTS 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 asyncio Integration 9 5 Installation 11 6 Documentation 13 6.1 User’s guide . . . . . . . . . . . . . . . . . . . . . . . . . . Tornado. 9Tornado Documentation, Release 6.5.1 10 Chapter 4. asyncio IntegrationCHAPTER FIVE INSTALLATION pip install tornado Tornado is listed in PyPI and can be installed with pip. Note that the source IOLoop.spawn_callback, which makes the IOLoop responsible for the call. If it fails, the IOLoop will log a stack trace: # The IOLoop will catch the exception and print a stack trace in # the logs. Note that