MVC Architecture Demo

owen.campbell · January 27, 2022, 5:19pm

Started work on it, but it’s still WIP (and it works both client and server side):

anvilistas/anvil-labs/blob/main/client_code/pedantic.py

# SPDX-License-Identifier: MIT
# Copyright (c) 2021 anvilistas

__version__ = "0.0.1"


class BaseValidator:
    value = None

    def is_valid(self):
        raise NotImplementedError

    def __get__(self, obj, objtype=None):
        return getattr(obj, self.private_name)

    def __set__(self, obj, value):
        self.value = value
        if not self.is_valid():
            raise ValueError(f"{value} is not a valid value")
        setattr(obj, self.private_name, value)

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You can see an example of it in use in the test code:

github.com

anvilistas/anvil-labs/blob/main/tests/test_pedantic.py

# SPDX-License-Identifier: MIT
# Copyright (c) 2021 anvilistas
import pytest

from client_code.pedantic import InList, validate

__version__ = "0.0.1"

valid_items = ["one", "two"]


@validate(another_item=InList(valid_items))
@validate(item=InList(valid_items))
class Thing:
    def __init__(self, item, another_item):
        self.item = item
        self.another_item = another_item


def test_valid_items():

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