#NEWLINE# def get_field_by_showname( self , showname ) : #NEWLINE# #INDENT# '\n        Gets a field by its "showname"\n        (the name that appears in Wireshark\'s detailed display i.e. in \'User-Agent: Mozilla...\', \'User-Agent\' is the\n         showname)\n\n         Returns None if not found.\n        ' #NEWLINE# for field in self . _get_all_fields_with_alternates ( ) : #NEWLINE# #INDENT# if ( field . showname_key == showname ) : #NEWLINE# #INDENT# return field