Method _setdefaults

lib/matplotlib/axes/_base.py:341–348

Add to the dict *kw* the entries in the dict *default* that are absent or set to None in *kw*.

(defaults, kw)

    @staticmethod
    def _setdefaults(defaults, kw):
        """
        Add to the dict *kw* the entries in the dict *default* that are absent
        or set to None in *kw*.
        """
        for k in defaults:
            if kw.get(k, None) is None:
                kw[k] = defaults[k]

    def _make_line(self, axes, x, y, kw, kwargs):
        kw = {**kw, **kwargs}  # Don't modify the original kw.