style.py 文件源码

def _applymap(self, func, subset=None, **kwargs):
        func = partial(func, **kwargs)  # applymap doesn't take kwargs?
        if subset is None:
            subset = pd.IndexSlice[:]
        subset = _non_reducing_slice(subset)
        result = self.data.loc[subset].applymap(func)
        self._update_ctx(result)
        return self