tidy_ok - Check to see if the tidy command runs on this page without any errors or warnings.
exit *[<code>]* - Exit with the given integer code, if specified. The value of <code> defaults to 0.
run <command> - Execute the specified Python command.
runfile <file1> [ <file2> ... ]* - Execute the specified files.
agent - Set the browser's "User-agent" string.
sleep [<seconds>] - sleep the given number of seconds. Defaults to 1 second.
reset_browser - Reset the browser.
extend_with <module> - Import commands from the specified Python module. This acts like ``from <module> import *`` does in Python.
For example, a function ``fn`` in ``extmodule`` would be available as ``fn``. See *examples/extend_example.py* for an example.
add_auth <realm> <uri> <user> <password> - Add HTTP Basic Authentication information for the given realm/URL combination.
For example, “add_auth IdyllStuff http://www.idyll.org/ titus test” tells twill that a request from the authentication realm "IdyllStuff" under http://www.idyll.org/ should be answered with username 'titus', password 'test'. If the 'with_default_realm' option is set to True, ignore 'realm'.
config [<key> [<value>]] - Show/set configuration options.
add_extra_headers <name> <value> - Add an extra HTTP header to each HTTP request.
show_extra_headers - Show the headers being added to each HTTP request.
clear_extra_headers - Clear the headers being added to each HTTP request.