def contents(self, path=None):
        """Get _all_ metadata for this device.
        Call this method if you have the lite/abbreviated device info from e.g. <user/>. """
        if isinstance(path, object) and hasattr(path, 'name'):
            log.debug("passed an object, use .'name' as path value")
            # passed an object, use .'name' as path value
            path = '/%s' % path.name
        c = self._jfs.get('%s%s' % (self.path, path or '/'))
        return c
Get _all_ metadata for this device.
        Call this method if you have the lite/abbreviated device info from e.g. <user/>.