\d! dZddlmZmZddlmZmZmZddlm Z ddl m Z m Z ddl mZGddeZGd d eZee eGd d Zd eefdZded e fdZdS)zT Plugin-based system for enumerating available reactors and installing one of them. )Iterablecast) Attribute Interface implementer) IReactorCore)IPlugin getPlugins)namedAnycFeZdZdZedZedZddZdS)IReactorInstallerzB Definition of a reactor which can probably be installed. zE A brief string giving the user-facing name of this reactor. zK A longer string giving a user-facing description of this reactor. returnNcdS)z' Install this reactor. Nrs$!!))+++++rr)rrrrstrr#rrrrrr2s[ '#'3'S'''' ,,,,,,rrrc*ttS)z= Return an iterator of L{IReactorInstaller} plugins. )r r rrrgetReactorTypesr'Bs ' ( ((rrctD]>}|j|kr1|ddlm}t t |cS?t|)z Install the reactor with the given C{shortName} attribute. @raise NoSuchReactor: If no reactor is found with a matching C{shortName}. @raise Exception: Anything that the specified reactor can raise when installed. r)reactor)r'rrtwisted.internetr)rrr)r installerr)s rinstallReactorr,Isv%&&//  ) + +       0 0 0 0 0 0 g.. . . . ,  " ""rN)rtypingrrzope.interfacerrrtwisted.internet.interfacesrtwisted.pluginr r twisted.python.reflectr r KeyErrorrrr'r%r,rrrr3sf "!!!!!!!<<<<<<<<<<444444........++++++        4H  W'(( , , , , , , ,)( ,)"34))))#c#l######r