Runs black

bookwyrm/models/tag.py

@@ -1,4 +1,4 @@
-''' models for storing different kinds of Activities '''
+""" models for storing different kinds of Activities """
 import urllib.parse
 
 from django.apps import apps
@@ -12,28 +12,30 @@ from . import fields
 
 
 class Tag(OrderedCollectionMixin, BookWyrmModel):
-    ''' freeform tags for books '''
+    """ freeform tags for books """
+
     name = fields.CharField(max_length=100, unique=True)
     identifier = models.CharField(max_length=100)
 
     @property
     def books(self):
-        ''' count of books associated with this tag '''
-        edition_model = apps.get_model('bookwyrm.Edition', require_ready=True)
-        return edition_model.objects.filter(
-            usertag__tag__identifier=self.identifier
-        ).order_by('-created_date').distinct()
+        """ count of books associated with this tag """
+        edition_model = apps.get_model("bookwyrm.Edition", require_ready=True)
+        return (
+            edition_model.objects.filter(usertag__tag__identifier=self.identifier)
+            .order_by("-created_date")
+            .distinct()
+        )
 
     collection_queryset = books
 
     def get_remote_id(self):
-        ''' tag should use identifier not id in remote_id '''
-        base_path = 'https://%s' % DOMAIN
-        return '%s/tag/%s' % (base_path, self.identifier)
-
+        """ tag should use identifier not id in remote_id """
+        base_path = "https://%s" % DOMAIN
+        return "%s/tag/%s" % (base_path, self.identifier)
 
     def save(self, *args, **kwargs):
-        ''' create a url-safe lookup key for the tag '''
+        """ create a url-safe lookup key for the tag """
         if not self.id:
             # add identifiers to new tags
             self.identifier = urllib.parse.quote_plus(self.name)
@@ -41,18 +43,21 @@ class Tag(OrderedCollectionMixin, BookWyrmModel):
 
 
 class UserTag(CollectionItemMixin, BookWyrmModel):
-    ''' an instance of a tag on a book by a user '''
+    """ an instance of a tag on a book by a user """
+
     user = fields.ForeignKey(
-        'User', on_delete=models.PROTECT, activitypub_field='actor')
+        "User", on_delete=models.PROTECT, activitypub_field="actor"
+    )
     book = fields.ForeignKey(
-        'Edition', on_delete=models.PROTECT, activitypub_field='object')
-    tag = fields.ForeignKey(
-        'Tag', on_delete=models.PROTECT, activitypub_field='target')
+        "Edition", on_delete=models.PROTECT, activitypub_field="object"
+    )
+    tag = fields.ForeignKey("Tag", on_delete=models.PROTECT, activitypub_field="target")
 
     activity_serializer = activitypub.Add
-    object_field = 'book'
-    collection_field = 'tag'
+    object_field = "book"
+    collection_field = "tag"
 
     class Meta:
-        ''' unqiueness constraint '''
-        unique_together = ('user', 'book', 'tag')
+        """ unqiueness constraint """
+
+        unique_together = ("user", "book", "tag")