def generateChecker(self, argstring):
        checker = InMemoryUsernamePasswordDatabaseDontUse()
        if argstring:
            pieces = argstring.split(':')
            if len(pieces) % 2:
                from twisted.cred.strcred import InvalidAuthArgumentString
                raise InvalidAuthArgumentString(
                    "argstring must be in format U:P:...")
            for i in range(0, len(pieces), 2):
                username, password = pieces[i], pieces[i+1]
                checker.addUser(username, password)
        return checker
Removes the file or directory that is represented by self.  If
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/plugins/cred_memory.py/InMemoryCheckerFactory.generateChecker--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/filepath.py/FilePath.remove