def _rc_msetnx(self, mapping):
        """
        Sets each key in the ``mapping`` dict to its corresponding value if
        none of the keys are already set
        """
        for k in iterkeys(mapping):
            if self.exists(k):
                return False

        return self._rc_mset(mapping)
def _rc_msetnx(self, mapping):
        """
        Sets each key in the ``mapping`` dict to its corresponding value if
        none of the keys are already set
        """
        for k in iterkeys(mapping):
            if self.exists(k):
                return False

        return self._rc_mset(mapping)
def _rc_msetnx ( self , mapping ) : for k in iterkeys ( mapping ) : if self . exists ( k ) : return False return self . _rc_mset ( mapping )
Sets each key in the ``mapping`` dict to its corresponding value if
        none of the keys are already set
Sets each key in the mapping dict to its corresponding value if none of the keys are already set