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fix couple edge cases with __init__

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Maxim Kurnikov
2019-02-10 04:32:27 +03:00
parent 5f6f597266
commit 6b7507206a
8 changed files with 172 additions and 71 deletions
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57
test-data/typecheck/model_create.test
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@@ -16,7 +16,7 @@ class MyUser(models.Model):
age = models.IntegerField()
user = MyUser(name=1, age=12)
[out]
main:6: error: Incompatible type for "name" of "MyUser" (got "int", expected "str")
main:6: error: Incompatible type for "name" of "MyUser" (got "int", expected "Union[str, Combinable]")
[CASE arguments_to_init_combined_from_base_classes]
from django.db import models
@@ -53,7 +53,7 @@ from django.db import models
class MyUser1(models.Model):
mypk = models.CharField(primary_key=True)
class MyUser2(models.Model):
pass
name = models.CharField(max_length=100)
user2 = MyUser1(pk='hello')
user3= MyUser2(pk=1)
[out]
@@ -63,7 +63,7 @@ from django.db import models
class MyUser1(models.Model):
mypk = models.CharField(primary_key=True)
user = MyUser1(pk=1) # E: Incompatible type for "pk" of "MyUser1" (got "int", expected "str")
user = MyUser1(pk=1) # E: Incompatible type for "pk" of "MyUser1" (got "int", expected "Union[str, Combinable]")
[out]
[CASE can_set_foreign_key_by_its_primary_key]
@@ -78,7 +78,7 @@ class Book(models.Model):
publisher_with_char_pk = models.ForeignKey(PublisherWithCharPK, on_delete=models.CASCADE)
Book(publisher_id=1, publisher_with_char_pk_id='hello')
Book(publisher_id=1, publisher_with_char_pk_id=1) # E: Incompatible type for "publisher_with_char_pk_id" of "Book" (got "int", expected "str")
Book(publisher_id=1, publisher_with_char_pk_id=1) # E: Incompatible type for "publisher_with_char_pk_id" of "Book" (got "int", expected "Union[str, Combinable]")
[out]
[CASE setting_value_to_an_array_of_ints]
@@ -100,7 +100,52 @@ MyModel(array=array_val3) # E: Incompatible type for "array" of "MyModel" (got
[CASE if_no_explicit_primary_key_id_can_be_passed]
from django.db import models
class MyModel(models.Model):
name = models.CharField(max_length=100)
MyModel(id=1, name='maxim')
[out]
[CASE arguments_can_be_passed_as_positionals]
from django.db import models
class MyModel(models.Model):
pass
MyModel(id=1)
[out]
MyModel(1)
class MyModel2(models.Model):
name = models.CharField(max_length=100)
MyModel2(1, 'Maxim')
MyModel2(1, 12) # E: Incompatible type for "name" of "MyModel2" (got "int", expected "Union[str, Combinable]")
[out]
[CASE arguments_passed_as_dictionary_unpacking_are_not_supported]
from django.db import models
class MyModel(models.Model):
name = models.CharField(max_length=100)
MyModel(**{'name': 'hello'})
[out]
[CASE pointer_to_parent_model_is_not_supported]
from django.db import models
class Place(models.Model):
pass
class Restaurant(Place):
pass
place = Place()
Restaurant(place_ptr=place)
Restaurant(place_ptr_id=place.id)
[out]
[CASE extract_type_of_init_param_from_set_method]
from typing import Union
from datetime import time
from django.db import models
class MyField(models.Field):
def __set__(self, instance, value: Union[str, time]) -> None: pass
def __get__(self, instance, owner) -> time: pass
class MyModel(models.Model):
field = MyField()
MyModel(field=time())
MyModel(field='12:00')
MyModel(field=100) # E: Incompatible type for "field" of "MyModel" (got "int", expected "Union[str, time]")