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ee58b18f15
* WIP: django_stubs_ext: monkeypatch `reveal_{type,locals}` into builtins
Fixes https://github.com/typeddjango/django-stubs/issues/590
* fixup! WIP: django_stubs_ext: monkeypatch `reveal_{type,locals}` into builtins
* fixup! fixup! WIP: django_stubs_ext: monkeypatch `reveal_{type,locals}` into builtins
* Update patch.py
Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
81 lines
2.1 KiB
Python
81 lines
2.1 KiB
Python
import builtins
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from contextlib import suppress
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from typing import Optional
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import pytest
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from _pytest.fixtures import FixtureRequest
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from _pytest.monkeypatch import MonkeyPatch
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from typing_extensions import Protocol
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import django_stubs_ext
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from django_stubs_ext import patch
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from django_stubs_ext.patch import _need_generic, _VersionSpec
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class _MakeGenericClasses(Protocol):
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"""Used to represent a type of ``make_generic_classes`` fixture."""
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def __call__(self, django_version: Optional[_VersionSpec] = None) -> None:
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...
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@pytest.fixture(scope="function")
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def make_generic_classes(
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request: FixtureRequest,
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monkeypatch: MonkeyPatch,
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) -> _MakeGenericClasses:
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def fin() -> None:
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for el in _need_generic:
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with suppress(AttributeError):
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delattr(el.cls, "__class_getitem__")
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del builtins.reveal_type
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del builtins.reveal_locals
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def factory(django_version: Optional[_VersionSpec] = None) -> None:
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if django_version is not None:
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monkeypatch.setattr(patch, "VERSION", django_version)
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django_stubs_ext.monkeypatch()
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request.addfinalizer(fin)
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return factory
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def test_patched_generics(make_generic_classes: _MakeGenericClasses) -> None:
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"""Test that the generics actually get patched."""
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make_generic_classes()
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for el in _need_generic:
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if el.version is None:
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assert el.cls[type] is el.cls # `type` is arbitrary
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@pytest.mark.parametrize(
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"django_version",
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[
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(2, 2),
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(3, 0),
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(3, 1),
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(3, 2),
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],
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)
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def test_patched_version_specific(
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django_version: _VersionSpec,
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make_generic_classes: _MakeGenericClasses,
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) -> None:
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"""Test version speicific types."""
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make_generic_classes(django_version)
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for el in _need_generic:
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if el.version is not None and django_version <= el.version:
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assert el.cls[int] is el.cls
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def test_patched_mypy_builtins(make_generic_classes: _MakeGenericClasses) -> None:
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make_generic_classes()
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assert builtins.reveal_type
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assert builtins.reveal_locals
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reveal_type(reveal_locals) # noqa: F821
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