Utilities

• tornado.autoreload — Automatically detect code changes in development
  • start()
  • wait()
  • watch()
  • add_reload_hook()
  • main()
• tornado.concurrent — Work with Future objects
  • Future
  • run_on_executor()
  • chain_future()
  • future_set_result_unless_cancelled()
  • future_set_exception_unless_cancelled()
  • future_set_exc_info()
  • future_add_done_callback()
• tornado.log — Logging support
  • LogFormatter
  • enable_pretty_logging()
  • define_logging_options()
• tornado.options — Command-line parsing
  • Global functions
    • define()
    • options
    • parse_command_line()
    • parse_config_file()
    • print_help()
    • add_parse_callback()
    • Error
  • OptionParser class
    • OptionParser
      • OptionParser.define()
      • OptionParser.parse_command_line()
      • OptionParser.parse_config_file()
      • OptionParser.print_help()
      • OptionParser.add_parse_callback()
      • OptionParser.mockable()
      • OptionParser.items()
      • OptionParser.as_dict()
      • OptionParser.groups()
      • OptionParser.group_dict()
• tornado.testing — Unit testing support for asynchronous code
  • Asynchronous test cases
    • AsyncTestCase
      • AsyncTestCase.get_new_ioloop()
      • AsyncTestCase.stop()
      • AsyncTestCase.wait()
    • AsyncHTTPTestCase
      • AsyncHTTPTestCase.get_app()
      • AsyncHTTPTestCase.fetch()
      • AsyncHTTPTestCase.get_httpserver_options()
      • AsyncHTTPTestCase.get_http_port()
      • AsyncHTTPTestCase.get_url()
    • AsyncHTTPSTestCase
      • AsyncHTTPSTestCase.get_ssl_options()
    • gen_test()
  • Controlling log output
    • ExpectLog
  • Test runner
    • main()
  • Helper functions
    • bind_unused_port()
    • get_async_test_timeout()
• tornado.util — General-purpose utilities
  • TimeoutError
  • ObjectDict
  • GzipDecompressor
    • GzipDecompressor.decompress()
    • GzipDecompressor.unconsumed_tail
    • GzipDecompressor.flush()
  • import_object()
  • errno_from_exception()
  • re_unescape()
  • Configurable
    • Configurable.configurable_base()
    • Configurable.configurable_default()
    • Configurable.initialize()
    • Configurable.configure()
    • Configurable.configured_class()
  • ArgReplacer
    • ArgReplacer.get_old_value()
    • ArgReplacer.replace()
  • timedelta_to_seconds()