1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
- case: test_contributions_from_modelbase_metaclass
main: |
from typing_extensions import reveal_type
from myapp.models import Abstract1, Abstract2, Concrete1, Concrete2, Concrete3
from django.db import models
models.Model.DoesNotExist # E: "type[Model]" has no attribute "DoesNotExist" [attr-defined]
models.Model.MultipleObjectsReturned # E: "type[Model]" has no attribute "MultipleObjectsReturned" [attr-defined]
reveal_type(Abstract1.DoesNotExist) # N: Revealed type is "type[django.core.exceptions.ObjectDoesNotExist]"
reveal_type(Abstract2.DoesNotExist) # N: Revealed type is "type[django.core.exceptions.ObjectDoesNotExist]"
reveal_type(Concrete1.DoesNotExist) # N: Revealed type is "def (*args: builtins.object) -> myapp.models.Concrete1.DoesNotExist"
reveal_type(Concrete2.DoesNotExist) # N: Revealed type is "def (*args: builtins.object) -> myapp.models.Concrete2.DoesNotExist"
reveal_type(Abstract1.MultipleObjectsReturned) # N: Revealed type is "type[django.core.exceptions.MultipleObjectsReturned]"
reveal_type(Abstract2.MultipleObjectsReturned) # N: Revealed type is "type[django.core.exceptions.MultipleObjectsReturned]"
reveal_type(Concrete1.MultipleObjectsReturned) # N: Revealed type is "def (*args: builtins.object) -> myapp.models.Concrete1.MultipleObjectsReturned"
reveal_type(Concrete2.MultipleObjectsReturned) # N: Revealed type is "def (*args: builtins.object) -> myapp.models.Concrete2.MultipleObjectsReturned"
reveal_type(super(Concrete1, Concrete1()).DoesNotExist()) # N: Revealed type is "django.core.exceptions.ObjectDoesNotExist"
reveal_type(super(Concrete2, Concrete2()).DoesNotExist()) # N: Revealed type is "myapp.models.Concrete1.DoesNotExist"
a: type[Concrete1.DoesNotExist]
a = Concrete1.DoesNotExist
a = Concrete2.DoesNotExist
a = Concrete3.DoesNotExist
b: type[Concrete2.DoesNotExist]
b = Concrete1.DoesNotExist # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete1.DoesNotExist]", variable has type "type[myapp.models.Concrete2.DoesNotExist]") [assignment]
b = Concrete2.DoesNotExist
b = Concrete3.DoesNotExist
c: type[Concrete3.DoesNotExist]
c = Concrete1.DoesNotExist # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete1.DoesNotExist]", variable has type "type[myapp.models.Concrete3.DoesNotExist]") [assignment]
c = Concrete2.DoesNotExist # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete2.DoesNotExist]", variable has type "type[myapp.models.Concrete3.DoesNotExist]") [assignment]
c = Concrete3.DoesNotExist
d: type[Concrete1.MultipleObjectsReturned]
d = Concrete1.MultipleObjectsReturned
d = Concrete2.MultipleObjectsReturned
d = Concrete3.MultipleObjectsReturned
e: type[Concrete2.MultipleObjectsReturned]
e = Concrete1.MultipleObjectsReturned # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete1.MultipleObjectsReturned]", variable has type "type[myapp.models.Concrete2.MultipleObjectsReturned]") [assignment]
e = Concrete2.MultipleObjectsReturned
e = Concrete3.MultipleObjectsReturned
f: type[Concrete3.MultipleObjectsReturned]
f = Concrete1.MultipleObjectsReturned # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete1.MultipleObjectsReturned]", variable has type "type[myapp.models.Concrete3.MultipleObjectsReturned]") [assignment]
f = Concrete2.MultipleObjectsReturned # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete2.MultipleObjectsReturned]", variable has type "type[myapp.models.Concrete3.MultipleObjectsReturned]") [assignment]
f = Concrete3.MultipleObjectsReturned
installed_apps:
- myapp
files:
- path: myapp/__init__.py
- path: myapp/models.py
content: |
from django.db import models
class Abstract1(models.Model):
class Meta:
abstract = True
class Abstract2(Abstract1):
class Meta:
abstract = True
class Concrete1(Abstract2):
...
class Concrete2(Concrete1):
...
class Concrete3(Concrete2):
...
- case: test_contributions_from_modelbase_metaclass_no_processing
mypy_config: |
[mypy.plugins.django-stubs]
django_settings_module = mysettings
strict_model_abstract_attrs = false
main: |
from typing_extensions import reveal_type
from myapp.models import Abstract1, Abstract2, Concrete1, Concrete2, Concrete3
from django.db import models
reveal_type(models.Model.DoesNotExist) # N: Revealed type is "type[django.core.exceptions.ObjectDoesNotExist]"
reveal_type(models.Model.MultipleObjectsReturned) # N: Revealed type is "type[django.core.exceptions.MultipleObjectsReturned]"
reveal_type(models.Model.objects) # N: Revealed type is "django.db.models.manager.Manager[django.db.models.base.Model]"
reveal_type(Abstract1.DoesNotExist) # N: Revealed type is "type[django.core.exceptions.ObjectDoesNotExist]"
reveal_type(Abstract2.DoesNotExist) # N: Revealed type is "type[django.core.exceptions.ObjectDoesNotExist]"
reveal_type(Concrete1.DoesNotExist) # N: Revealed type is "def (*args: builtins.object) -> myapp.models.Concrete1.DoesNotExist"
reveal_type(Concrete2.DoesNotExist) # N: Revealed type is "def (*args: builtins.object) -> myapp.models.Concrete2.DoesNotExist"
reveal_type(Abstract1.MultipleObjectsReturned) # N: Revealed type is "type[django.core.exceptions.MultipleObjectsReturned]"
reveal_type(Abstract2.MultipleObjectsReturned) # N: Revealed type is "type[django.core.exceptions.MultipleObjectsReturned]"
reveal_type(Concrete1.MultipleObjectsReturned) # N: Revealed type is "def (*args: builtins.object) -> myapp.models.Concrete1.MultipleObjectsReturned"
reveal_type(Concrete2.MultipleObjectsReturned) # N: Revealed type is "def (*args: builtins.object) -> myapp.models.Concrete2.MultipleObjectsReturned"
reveal_type(super(Concrete1, Concrete1()).DoesNotExist()) # N: Revealed type is "django.core.exceptions.ObjectDoesNotExist"
reveal_type(super(Concrete2, Concrete2()).DoesNotExist()) # N: Revealed type is "myapp.models.Concrete1.DoesNotExist"
a: type[Concrete1.DoesNotExist]
a = Concrete1.DoesNotExist
a = Concrete2.DoesNotExist
a = Concrete3.DoesNotExist
b: type[Concrete2.DoesNotExist]
b = Concrete1.DoesNotExist # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete1.DoesNotExist]", variable has type "type[myapp.models.Concrete2.DoesNotExist]") [assignment]
b = Concrete2.DoesNotExist
b = Concrete3.DoesNotExist
c: type[Concrete3.DoesNotExist]
c = Concrete1.DoesNotExist # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete1.DoesNotExist]", variable has type "type[myapp.models.Concrete3.DoesNotExist]") [assignment]
c = Concrete2.DoesNotExist # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete2.DoesNotExist]", variable has type "type[myapp.models.Concrete3.DoesNotExist]") [assignment]
c = Concrete3.DoesNotExist
d: type[Concrete1.MultipleObjectsReturned]
d = Concrete1.MultipleObjectsReturned
d = Concrete2.MultipleObjectsReturned
d = Concrete3.MultipleObjectsReturned
e: type[Concrete2.MultipleObjectsReturned]
e = Concrete1.MultipleObjectsReturned # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete1.MultipleObjectsReturned]", variable has type "type[myapp.models.Concrete2.MultipleObjectsReturned]") [assignment]
e = Concrete2.MultipleObjectsReturned
e = Concrete3.MultipleObjectsReturned
f: type[Concrete3.MultipleObjectsReturned]
f = Concrete1.MultipleObjectsReturned # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete1.MultipleObjectsReturned]", variable has type "type[myapp.models.Concrete3.MultipleObjectsReturned]") [assignment]
f = Concrete2.MultipleObjectsReturned # E: Incompatible types in assignment (expression has type "type[myapp.models.Concrete2.MultipleObjectsReturned]", variable has type "type[myapp.models.Concrete3.MultipleObjectsReturned]") [assignment]
f = Concrete3.MultipleObjectsReturned
installed_apps:
- myapp
files:
- path: myapp/__init__.py
- path: myapp/models.py
content: |
from django.db import models
class Abstract1(models.Model):
class Meta:
abstract = True
class Abstract2(Abstract1):
class Meta:
abstract = True
class Concrete1(Abstract2):
...
class Concrete2(Concrete1):
...
class Concrete3(Concrete2):
...
- case: test_custom_model_base_metaclass
main: |
from typing_extensions import reveal_type
from myapp.models import This, Other
this = This(field=Other())
reveal_type(this.field) # N: Revealed type is "myapp.models.Other"
installed_apps:
- myapp
files:
- path: myapp/__init__.py
- path: myapp/models.py
content: |
from django.db import models
from django.db.models.base import ModelBase
class MyBase(ModelBase): ...
class MyModel(models.Model, metaclass=MyBase): ...
class Other(MyModel): ...
class This(MyModel):
field = models.ForeignKey(Other, on_delete=models.CASCADE)
|
