List info for a package

def _info(self, args):
        '''
        List info for a package
        '''
        if len(args) < 2:
            raise SPMInvocationError('A package must be specified')

        package = args[1]

        pkg_info = self._pkgdb_fun('info', package, self.db_conn)
        if pkg_info is None:
            raise SPMPackageError('package {0} not installed'.format(package))
        self.ui.status(self._get_info(pkg_info))