#NEWLINE# def addUrlScheme( self , url ) : #NEWLINE# #INDENT# '\n        Add a url scheme to this endpoint. It takes a url string and create\n        the OEmbedUrlScheme object internally.\n\n        Args:\n            url: The url string that represents a url scheme to add.\n        ' #NEWLINE# if ( not isinstance ( url , str ) ) : #NEWLINE# #INDENT# raise TypeError ( 'url must be a string value' ) #NEWLINE# #UNINDENT# if ( not ( url in self . _urlSchemes ) ) : #NEWLINE# #INDENT# self . _urlSchemes [ url ] = OEmbedUrlScheme ( self )