Runs black

bookwyrm/models/shelf.py

@@ -1,4 +1,4 @@
-''' puttin' books on shelves '''
+""" puttin' books on shelves """
 import re
 from django.db import models
 
@@ -9,61 +9,68 @@ from . import fields
 
 
 class Shelf(OrderedCollectionMixin, BookWyrmModel):
-    ''' a list of books owned by a user '''
+    """ a list of books owned by a user """
+
     name = fields.CharField(max_length=100)
     identifier = models.CharField(max_length=100)
     user = fields.ForeignKey(
-        'User', on_delete=models.PROTECT, activitypub_field='owner')
+        "User", on_delete=models.PROTECT, activitypub_field="owner"
+    )
     editable = models.BooleanField(default=True)
     privacy = fields.PrivacyField()
     books = models.ManyToManyField(
-        'Edition',
+        "Edition",
         symmetrical=False,
-        through='ShelfBook',
-        through_fields=('shelf', 'book')
+        through="ShelfBook",
+        through_fields=("shelf", "book"),
     )
 
     activity_serializer = activitypub.Shelf
 
     def save(self, *args, **kwargs):
-        ''' set the identifier '''
+        """ set the identifier """
         super().save(*args, **kwargs)
         if not self.identifier:
-            slug = re.sub(r'[^\w]', '', self.name).lower()
-            self.identifier = '%s-%d' % (slug, self.id)
+            slug = re.sub(r"[^\w]", "", self.name).lower()
+            self.identifier = "%s-%d" % (slug, self.id)
             super().save(*args, **kwargs)
 
     @property
     def collection_queryset(self):
-        ''' list of books for this shelf, overrides OrderedCollectionMixin  '''
-        return self.books.all().order_by('shelfbook')
+        """ list of books for this shelf, overrides OrderedCollectionMixin  """
+        return self.books.all().order_by("shelfbook")
 
     def get_remote_id(self):
-        ''' shelf identifier instead of id '''
+        """ shelf identifier instead of id """
         base_path = self.user.remote_id
-        return '%s/shelf/%s' % (base_path, self.identifier)
+        return "%s/shelf/%s" % (base_path, self.identifier)
 
     class Meta:
-        ''' user/shelf unqiueness '''
-        unique_together = ('user', 'identifier')
+        """ user/shelf unqiueness """
+
+        unique_together = ("user", "identifier")
 
 
 class ShelfBook(CollectionItemMixin, BookWyrmModel):
-    ''' many to many join table for books and shelves '''
+    """ many to many join table for books and shelves """
+
     book = fields.ForeignKey(
-        'Edition', on_delete=models.PROTECT, activitypub_field='object')
+        "Edition", on_delete=models.PROTECT, activitypub_field="object"
+    )
     shelf = fields.ForeignKey(
-        'Shelf', on_delete=models.PROTECT, activitypub_field='target')
+        "Shelf", on_delete=models.PROTECT, activitypub_field="target"
+    )
     user = fields.ForeignKey(
-        'User', on_delete=models.PROTECT, activitypub_field='actor')
+        "User", on_delete=models.PROTECT, activitypub_field="actor"
+    )
 
     activity_serializer = activitypub.Add
-    object_field = 'book'
-    collection_field = 'shelf'
-
+    object_field = "book"
+    collection_field = "shelf"
 
     class Meta:
-        ''' an opinionated constraint!
-            you can't put a book on shelf twice '''
-        unique_together = ('book', 'shelf')
-        ordering = ('-created_date',)
+        """an opinionated constraint!
+        you can't put a book on shelf twice"""
+
+        unique_together = ("book", "shelf")
+        ordering = ("-created_date",)