Method display_extra_help

Lib/idlelib/editor.py:930–940

(helpfile=resource)

    def _extra_help_callback(self, resource):
        """Return a callback that loads resource (file or web page)."""
        def display_extra_help(helpfile=resource):
            if not helpfile.startswith(('www', 'http')):
                helpfile = os.path.normpath(helpfile)
            if sys.platform[:3] == 'win':
                try:
                    os.startfile(helpfile)
                except OSError as why:
                    messagebox.showerror(title='Document Start Failure',
                        message=str(why), parent=self.text)
            else:
                webbrowser.open(helpfile)
        return display_extra_help

    def update_recent_files_list(self, new_file=None):