Method __setitem__

Lib/http/cookies.py:302–308

(self, K, V)

        return self._coded_value

    def __setitem__(self, K, V):
        K = K.lower()
        if not K in self._reserved:
            raise CookieError("Invalid attribute %r" % (K,))
        if _has_control_character(K, V):
            raise CookieError(f"Control characters are not allowed in cookies {K!r} {V!r}")
        dict.__setitem__(self, K, V)

    def setdefault(self, key, val=None):
        key = key.lower()