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Model.__init__ supporting same typing as assigment (#835)

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* `Model.__init__` supporting same typing as assigment

* Update mypy_django_plugin/django/context.py
This commit is contained in:
Petter Friberg
2022-01-29 10:07:26 +01:00
committed by GitHub
parent c556668d7a
commit 8aae836a26
9 changed files with 177 additions and 18 deletions
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2
tests/typecheck/fields/test_base.yml
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@@ -94,7 +94,7 @@
- case: blank_and_not_null_charfield_does_not_allow_none
main: |
from myapp.models import MyModel
MyModel(notnulltext=None) # Should allow None in constructor
MyModel(notnulltext=None) # E: Incompatible type for "notnulltext" of "MyModel" (got "None", expected "Union[str, int, Combinable]")
MyModel(notnulltext="")
MyModel().notnulltext = None # E: Incompatible types in assignment (expression has type "None", variable has type "Union[str, int, Combinable]")
reveal_type(MyModel().notnulltext) # N: Revealed type is "builtins.str*"

4
tests/typecheck/fields/test_related.yml
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@@ -357,13 +357,13 @@
reveal_type(Book().publisher_id) # N: Revealed type is "builtins.str*"
Book(publisher_id=1)
Book(publisher_id='hello')
Book(publisher_id=datetime.datetime.now()) # E: Incompatible type for "publisher_id" of "Book" (got "datetime", expected "Union[str, int, Combinable, None]")
Book(publisher_id=datetime.datetime.now()) # E: Incompatible type for "publisher_id" of "Book" (got "datetime", expected "Union[str, int, Combinable]")
Book.objects.create(publisher_id=1)
Book.objects.create(publisher_id='hello')
reveal_type(Book2().publisher_id) # N: Revealed type is "builtins.int*"
Book2(publisher_id=1)
Book2(publisher_id=[]) # E: Incompatible type for "publisher_id" of "Book2" (got "List[Any]", expected "Union[float, int, str, Combinable, None]")
Book2(publisher_id=[]) # E: Incompatible type for "publisher_id" of "Book2" (got "List[Any]", expected "Union[float, int, str, Combinable]")
Book2.objects.create(publisher_id=1)
Book2.objects.create(publisher_id=[]) # E: Incompatible type for "publisher_id" of "Book2" (got "List[Any]", expected "Union[float, int, str, Combinable]")
installed_apps: