add DJ checks

evap/evaluation/models.py

@@ -194,10 +194,6 @@ class Visibility(models.IntegerChoices):
 
     objects = QuestionnaireManager()
 
-    def clean(self):
-        if self.type == self.Type.CONTRIBUTOR and self.is_locked:
-            raise ValidationError({"is_locked": _("Contributor questionnaires cannot be locked.")})
-
     class Meta:
         ordering = ["type", "order", "pk"]
         verbose_name = _("questionnaire")
@@ -206,6 +202,10 @@ class Meta:
     def __str__(self):
         return self.name
 
+    def clean(self):
+        if self.type == self.Type.CONTRIBUTOR and self.is_locked:
+            raise ValidationError({"is_locked": _("Contributor questionnaires cannot be locked.")})
+
     def __lt__(self, other):
         return (self.type, self.order, self.pk) < (other.type, other.order, other.pk)
 
@@ -1470,7 +1470,7 @@ class TextAnswer(Answer):
 
     answer = models.TextField(verbose_name=_("answer"))
     # If the text answer was changed during review, original_answer holds the original text. Otherwise, it's null.
-    original_answer = models.TextField(verbose_name=_("original answer"), blank=True, null=True)
+    original_answer = models.TextField(verbose_name=_("original answer"), blank=True, null=True)  # noqa: DJ001
 
     class ReviewDecision(models.TextChoices):
         """
@@ -1613,9 +1613,6 @@ class Infotext(models.Model):
     content_en = models.TextField(verbose_name=_("content (english)"), blank=True)
     content = translate(en="content_en", de="content_de")
 
-    def is_empty(self):
-        return not (self.title or self.content)
-
     class Page(models.TextChoices):
         STUDENT_INDEX = ("student_index", "Student index page")
         CONTRIBUTOR_INDEX = ("contributor_index", "Contributor index page")
@@ -1640,6 +1637,9 @@ class Meta:
             ),
         )
 
+    def is_empty(self):
+        return not (self.title or self.content)
+
 
 class UserProfileManager(BaseUserManager):
     def create_user(self, *, email, password=None, first_name=None, last_name=None):

evap/evaluation/models_logging.py

@@ -128,6 +128,19 @@ class LoggedModel(models.Model):
     class Meta:
         abstract = True
 
+    def save(self, *args, **kw):
+        # Are we creating a new instance?
+        # https://docs.djangoproject.com/en/3.0/ref/models/instances/#customizing-model-loading
+        if self._state.adding:
+            # we need to attach a logentry to an existing object, so we save this newly created instance first
+            super().save(*args, **kw)
+            self.log_instance_create()
+        else:
+            # when saving an existing instance, we get changes by comparing to the version from the database
+            # therefore we save the instance after building the logentry
+            self.log_instance_change()
+            super().save(*args, **kw)
+
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self._logentry = None
@@ -239,19 +252,6 @@ def _update_log(self, changes, action_type: InstanceActionType, store_in_db=True
         if store_in_db:
             self._logentry.save()
 
-    def save(self, *args, **kw):
-        # Are we creating a new instance?
-        # https://docs.djangoproject.com/en/3.0/ref/models/instances/#customizing-model-loading
-        if self._state.adding:
-            # we need to attach a logentry to an existing object, so we save this newly created instance first
-            super().save(*args, **kw)
-            self.log_instance_create()
-        else:
-            # when saving an existing instance, we get changes by comparing to the version from the database
-            # therefore we save the instance after building the logentry
-            self.log_instance_change()
-            super().save(*args, **kw)
-
     def delete(self, *args, **kw):
         self.log_instance_delete()
         self.related_logentries().delete()

evap/staff/importers/base.py

@@ -179,9 +179,9 @@ class InputRow(ABC):
     # MyPy is currently broken with abstract properties: https://github.com/python/mypy/issues/8996
     column_count: int
 
+    @abstractmethod
     def __init__(self, location: ExcelFileLocation, *cells: Iterable[str]):
-        # this can be an abstractmethod from python3.10 on, before it doesn't work with the derived dataclasses
-        raise NotImplementedError  # pragma: no cover
+        pass
 
     @classmethod
     def from_cells(cls, location: ExcelFileLocation, cells: Iterable[str]):

pyproject.toml

@@ -29,11 +29,12 @@ extend_skip_glob = ["**/migrations/*"]
 # * Formsets use PascalCase
 
 target-version = "py310"
-select = ["F", "E", "B", "W", "N", "UP", "YTT", "FIX", "ASYNC", "A"]
+select = ["F", "E", "B", "W", "N", "UP", "YTT", "FIX", "ASYNC", "A", "DJ"]
 ignore = [
     "E501",                  # line-too-long: black does code formatting for us
     "FIX004",                # hacks should be possible
     "A003",
+    "DJ008",
 ]
 
 ignore-init-module-imports = true