CTags

def get_settings():
    """
    Load settings.

    :returns: dictionary containing settings
    """
    return sublime.load_settings("CTags.sublime-settings")

def get_setting(key, default=None):
    """
    Load individual setting.

    :param key: setting key to get value for
    :param default: default value to return if no value found

    :returns: value for ``key`` if ``key`` exists, else ``default``
    """
    return get_settings().get(key, default)

setting = get_setting

class NavigateToDefinition(sublime_plugin.TextCommand):
    """
    Provider for the ``navigate_to_definition`` command.

    Command navigates to the definition for a symbol in the open file(s) or
    folder(s).
    """
    is_enabled = check_if_building

    def __init__(self, args):
        sublime_plugin.TextCommand.__init__(self, args)
        self.endings = re.compile(RUBY_SPECIAL_ENDINGS)

    def is_visible(self):
        return setting('show_context_menus')

    @ctags_goto_command(jump_directly=setting("jump_single_match")) # this is it
    def run(self, view, args, tags_file):
        region = view.sel()[0]
        if region.begin() == region.end():  # point
            region = view.word(region)

            # handle special line endings for Ruby
            language = view.settings().get('syntax')
            endings = view.substr(sublime.Region(region.end(), region.end()+1))

            if 'Ruby' in language and self.endings.match(endings):
                region = sublime.Region(region.begin(), region.end()+1)
        symbol = view.substr(region)

        return JumpToDefinition.run(sym





# this isn't part of the problem, but I included it to show other code uses setting() normally in conditionals
class TestCtags(sublime_plugin.TextCommand):
    routine = None

    def run(self, edit, **args):
        if self.routine is None:
            self.routine = self.co_routine(self.view)
            next(self.routine)

    def __next__(self):
        try:
            next(self.routine)
        except Exception as e:
            print(e)
            self.routine = None

    def co_routine(self, view):
        tag_file = find_tags_relative_to(
            view.file_name(), setting('tag_file'))

        with codecs.open(tag_file, encoding='utf-8') as tf:
            tags = parse_tag_lines(tf, tag_class=TagElements)

        print('Starting Test')

        ex_failures = []
        line_failures = []

        for symbol, tag_list in list(tags.items()):
            for tag in tag_list:
                tag.root_dir = os.path.dirname(tag_file)

                def hook(av):
                    test_context = av.sel()[0]

                    if tag.ex_command.isdigit():
                        test_string = tag.symbol
                    else:
                        test_string = tag.ex_command
                        test_context = av.line(test_context)

                    if not av.substr(test_context).startswith(test_string):
                        failure = 'FAILURE %s' % pprint.pformat(tag)
                        failure += av.file_name()

                        if setting('debug'):
                            if not sublime.question_box('%s\n\n\n' % failure):
                                self.routine = None

                            return sublime.set_clipboard(failure)
                        ex_failures.append(tag)
                    sublime.set_timeout(self.__next__, 5)
                scroll_to_tag(view, tag, hook)
                yield

        failures = line_failures + ex_failures
        tags_tested = sum(len(v) for v in list(tags.values())) - len(failures)

        view = sublime.active_window().new_file()

        with Edit(view) as edit:
            edit.insert(view.size(), '%s Tags Tested OK\n' % tags_tested)
            edit.insert(view.size(), '%s Tags Failed' % len(failures))

        view.set_scratch(True)
        view.set_name('CTags Test Results')

        if failures:
            sublime.set_clipboard(pprint.pformat(failures))