Add ManyToManyField.m2m_field_name and Model._get_pk_val methods (#2177)

* Add Model._get_pk_val stub.
* Add stub for ManyToManyField._m2m_field_name.
* Update & cleanup allowlists

---------

Co-authored-by: Marti Raudsepp <marti@juffo.org>

Author: YPCrumble

django-stubs/db/models/base.pyi

@@ -99,5 +99,6 @@ class Model(metaclass=ModelBase):
     @classmethod
     def check(cls, **kwargs: Any) -> list[CheckMessage]: ...
     def __getstate__(self) -> dict: ...
+    def _get_pk_val(self, meta: Options[Self] | None = None) -> str: ...
 
 def model_unpickle(model_id: tuple[str, str] | type[Model]) -> Model: ...

django-stubs/db/models/fields/related.pyi

@@ -302,6 +302,7 @@ class ManyToManyField(RelatedField[Any, Any], Generic[_To, _Through]):
     def m2m_db_table(self) -> str: ...
     def m2m_column_name(self) -> str: ...
     def m2m_reverse_name(self) -> str: ...
+    def m2m_field_name(self) -> str: ...
     def m2m_reverse_field_name(self) -> str: ...
     def m2m_target_field_name(self) -> str: ...
     def m2m_reverse_target_field_name(self) -> str: ...

scripts/stubtest/allowlist.txt

@@ -411,3 +411,28 @@ django.contrib.sessions.base_session.AbstractBaseSession.Meta
 # Custom __str__ that we don't want to overcomplicate:
 django.forms.utils.RenderableMixin.__str__
 django.forms.utils.RenderableMixin.__html__
+
+# Dynamically added in ManyToManyField.contribute_to_class()
+django.db.models.ManyToManyField.m2m_db_table
+django.db.models.fields.related.ManyToManyField.m2m_db_table
+django.contrib.gis.db.models.ManyToManyField.m2m_db_table
+
+# Dynamically added in ManyToManyField.contribute_to_related_class()
+django.db.models.ManyToManyField.m2m_column_name
+django.db.models.ManyToManyField.m2m_field_name
+django.db.models.ManyToManyField.m2m_reverse_field_name
+django.db.models.ManyToManyField.m2m_reverse_name
+django.db.models.ManyToManyField.m2m_reverse_target_field_name
+django.db.models.ManyToManyField.m2m_target_field_name
+django.db.models.fields.related.ManyToManyField.m2m_column_name
+django.db.models.fields.related.ManyToManyField.m2m_field_name
+django.db.models.fields.related.ManyToManyField.m2m_reverse_field_name
+django.db.models.fields.related.ManyToManyField.m2m_reverse_name
+django.db.models.fields.related.ManyToManyField.m2m_reverse_target_field_name
+django.db.models.fields.related.ManyToManyField.m2m_target_field_name
+django.contrib.gis.db.models.ManyToManyField.m2m_column_name
+django.contrib.gis.db.models.ManyToManyField.m2m_field_name
+django.contrib.gis.db.models.ManyToManyField.m2m_reverse_field_name
+django.contrib.gis.db.models.ManyToManyField.m2m_reverse_name
+django.contrib.gis.db.models.ManyToManyField.m2m_reverse_target_field_name
+django.contrib.gis.db.models.ManyToManyField.m2m_target_field_name

scripts/stubtest/allowlist_todo.txt

@@ -341,12 +341,6 @@ django.contrib.gis.db.models.Manager.__slotnames__
 django.contrib.gis.db.models.ManyToManyField.__get__
 django.contrib.gis.db.models.ManyToManyField.contribute_to_class
 django.contrib.gis.db.models.ManyToManyField.formfield
-django.contrib.gis.db.models.ManyToManyField.m2m_column_name
-django.contrib.gis.db.models.ManyToManyField.m2m_db_table
-django.contrib.gis.db.models.ManyToManyField.m2m_reverse_field_name
-django.contrib.gis.db.models.ManyToManyField.m2m_reverse_name
-django.contrib.gis.db.models.ManyToManyField.m2m_reverse_target_field_name
-django.contrib.gis.db.models.ManyToManyField.m2m_target_field_name
 django.contrib.gis.db.models.ManyToManyField.path_infos
 django.contrib.gis.db.models.ManyToManyField.reverse_path_infos
 django.contrib.gis.db.models.ManyToManyRel.identity
@@ -777,12 +771,6 @@ django.db.models.Manager.__slotnames__
 django.db.models.ManyToManyField.__get__
 django.db.models.ManyToManyField.contribute_to_class
 django.db.models.ManyToManyField.formfield
-django.db.models.ManyToManyField.m2m_column_name
-django.db.models.ManyToManyField.m2m_db_table
-django.db.models.ManyToManyField.m2m_reverse_field_name
-django.db.models.ManyToManyField.m2m_reverse_name
-django.db.models.ManyToManyField.m2m_reverse_target_field_name
-django.db.models.ManyToManyField.m2m_target_field_name
 django.db.models.ManyToManyField.path_infos
 django.db.models.ManyToManyField.reverse_path_infos
 django.db.models.ManyToManyRel.identity
@@ -1005,12 +993,6 @@ django.db.models.fields.related.ForeignObjectRel.path_infos
 django.db.models.fields.related.ManyToManyField.__get__
 django.db.models.fields.related.ManyToManyField.contribute_to_class
 django.db.models.fields.related.ManyToManyField.formfield
-django.db.models.fields.related.ManyToManyField.m2m_column_name
-django.db.models.fields.related.ManyToManyField.m2m_db_table
-django.db.models.fields.related.ManyToManyField.m2m_reverse_field_name
-django.db.models.fields.related.ManyToManyField.m2m_reverse_name
-django.db.models.fields.related.ManyToManyField.m2m_reverse_target_field_name
-django.db.models.fields.related.ManyToManyField.m2m_target_field_name
 django.db.models.fields.related.ManyToManyField.path_infos
 django.db.models.fields.related.ManyToManyField.reverse_path_infos
 django.db.models.fields.related.ManyToManyRel.identity