Fix metaclass conflict

.github/workflows/main.yml

@@ -25,17 +25,17 @@ jobs:
       run: cp elixir_daisy/settings_compose_ci.py elixir_daisy/settings_compose.py
 
     - name: Build and start containers
-      run: docker-compose up -d --build
+      run: docker compose up -d --build
 
     - name: Check code formatting with Black
-      run: docker-compose exec -T web black --check --verbose .
+      run: docker compose exec -T web black --check --verbose .
 
     - name: Install test dependencies
-      run: docker-compose exec -T web pip install ".[test]"
+      run: docker compose exec -T web pip install ".[test]"
 
     - name: Execute the tests
-      run: docker-compose exec -T web pytest
+      run: docker compose exec -T web pytest
 
     - name: Stop containers
       if: always()
-      run: docker-compose down
+      run: docker compose down

core/models/access.py

@@ -13,7 +13,7 @@
 
 from enumchoicefield import EnumChoiceField, ChoiceEnum
 
-from .utils import CoreModel, CoreNotifyMeta
+from .utils import CoreModel
 from notification import NotifyMixin
 from notification.models import NotificationVerb, Notification
 from core.utils import DaisyLogger
@@ -35,7 +35,7 @@ class StatusChoices(ChoiceEnum):
     terminated = "Terminated"
 
 
-class Access(CoreModel, NotifyMixin, metaclass=CoreNotifyMeta):
+class Access(CoreModel, NotifyMixin):
     """
     Represents the access given to an internal (LCSB) entity over data storage locations.
     """

core/models/dataset.py

@@ -18,7 +18,7 @@
 from core.permissions.mapping import PERMISSION_MAPPING
 from notification import NotifyMixin
 from notification.models import Notification, NotificationVerb
-from .utils import CoreTrackedModel, TextFieldWithInputWidget, CoreNotifyMeta
+from .utils import CoreTrackedModel, TextFieldWithInputWidget
 from .partner import HomeOrganisation
 
 if typing.TYPE_CHECKING:
@@ -28,7 +28,7 @@
 logger = DaisyLogger(__name__)
 
 
-class Dataset(CoreTrackedModel, NotifyMixin, metaclass=CoreNotifyMeta):
+class Dataset(CoreTrackedModel, NotifyMixin):
     class Meta:
         app_label = "core"
         get_latest_by = "added"

core/models/document.py

@@ -17,7 +17,7 @@
 from django.core.files.storage import default_storage
 from django.urls import reverse
 
-from .utils import CoreModel, CoreNotifyMeta
+from .utils import CoreModel
 from core.utils import DaisyLogger
 from notification.models import Notification, NotificationVerb
 from notification import NotifyMixin
@@ -39,7 +39,7 @@ def get_file_name(instance, filename):
     )
 
 
-class Document(CoreModel, NotifyMixin, metaclass=CoreNotifyMeta):
+class Document(CoreModel, NotifyMixin):
     """
     Represents a document
     """

core/models/project.py

@@ -19,7 +19,7 @@
 from notification.models import NotificationVerb, Notification
 from core.utils import DaisyLogger
 
-from .utils import CoreTrackedModel, COMPANY, CoreNotifyMeta
+from .utils import CoreTrackedModel, COMPANY
 from .partner import HomeOrganisation
 
 
@@ -30,7 +30,7 @@
 logger = DaisyLogger(__name__)
 
 
-class Project(CoreTrackedModel, NotifyMixin, metaclass=CoreNotifyMeta):
+class Project(CoreTrackedModel, NotifyMixin):
     class Meta:
         app_label = "core"
         get_latest_by = "added"

core/models/utils.py

@@ -10,8 +10,6 @@
 from django.utils.module_loading import import_string
 from django.contrib.auth.hashers import make_password
 
-from notification import NotifyMixin
-
 COMPANY = getattr(settings, "COMPANY", "Company")
 
 
@@ -48,10 +46,6 @@ class Meta:
         abstract = True
 
 
-class CoreNotifyMeta(type(CoreModel), type(NotifyMixin)):
-    pass
-
-
 class CoreTrackedModel(CoreModel):
     elu_accession = models.CharField(
         unique=True,

notification/__init__.py

@@ -1,4 +1,3 @@
-from abc import ABC, abstractmethod
 import typing
 from typing import List, Optional
 from datetime import timedelta
@@ -11,15 +10,14 @@
     User = settings.AUTH_USER_MODEL
 
 
-class NotifyMixin(ABC):
+class NotifyMixin:
     @staticmethod
-    @abstractmethod
     def get_notification_recipients() -> List["User"]:
         """
         Should query the users based on their notification settings
         and the entity.
         """
-        pass
+        raise NotImplementedError("Subclasses must implement this method")
 
     @classmethod
     def make_notifications(cls, exec_date: "date"):
@@ -41,7 +39,6 @@ def make_notifications(cls, exec_date: "date"):
             cls.make_notifications_for_user(day_offset, exec_date, user)
 
     @classmethod
-    @abstractmethod
     def make_notifications_for_user(
         cls, day_offset: "timedelta", exec_date: "date", user: "User"
     ):
@@ -53,15 +50,14 @@ def make_notifications_for_user(
             exec_date: The date of execution of the task.
             user: The user to create the notification for.
         """
-        pass
+        raise NotImplementedError("Subclasses must implement this method")
 
     @staticmethod
-    @abstractmethod
     def notify(user: "User", obj: object, verb: "NotificationVerb"):
         """
         Notify the user about the entity.
         """
-        pass
+        raise NotImplementedError("Subclasses must implement this method")
 
     @staticmethod
     def get_notification_setting(user: "User"):