Utilities

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()