def GetServices(self,filename):
objlist=[]<EOL>for sobj in self.services:<EOL><INDENT>if sobj.KnowsFile(filename) :<EOL><INDENT>objlist.append(sobj)<EOL><DEDENT><DEDENT>if len(objlist)==<NUM_LIT:0>:<EOL><INDENT>return None<EOL><DEDENT>return objlist<EOL>
Returns a list of service objects handling this file type