SQL-like sorting for python

order_by.py

class Desc:
    __slots__ = ("value",)

    def __init__(self, value):
        self.value = value

    def __lt__(self, other):
        return self.value > other.value

data = [
    {"x": 2, "y": "a"},
    {"x": 2, "y": "b"},
    {"x": 1, "y": "b"},
]

sorted(data, key=lambda x: (x["x"], Desc(x["y"])))
sorted(data, key=lambda x: (Desc(x["x"]), x["y"]))
sorted(data, key=lambda x: (Desc(x["x"]), Desc(x["y"])))