Adds typing to site model file

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bookwyrm/models/site.py

@@ -31,7 +31,7 @@ class Meta:
         abstract = True
 
     # pylint: disable=no-self-use
-    def raise_not_editable(self, viewer):
+    def raise_not_editable(self, viewer: User) -> None:
         """Check if the user has the right permissions"""
         if viewer.has_perm("bookwyrm.edit_instance_settings"):
             return
@@ -119,26 +119,26 @@ def get(cls):
             return default_settings
 
     @property
-    def logo_url(self):
+    def logo_url(self) -> str:
         """helper to build the logo url"""
         return self.get_url("logo", "images/logo.png")
 
     @property
-    def logo_small_url(self):
+    def logo_small_url(self) -> str:
         """helper to build the logo url"""
         return self.get_url("logo_small", "images/logo-small.png")
 
     @property
-    def favicon_url(self):
+    def favicon_url(self) -> str:
         """helper to build the logo url"""
         return self.get_url("favicon", "images/favicon.png")
 
-    def raise_federation_disabled(self):
+    def raise_federation_disabled(self) -> None:
         """Don't connect to the outside world"""
         if self.disable_federation:
             raise PermissionDenied("Federation is disabled")
 
-    def get_url(self, field, default_path):
+    def get_url(self, field: str, default_path: str) -> str:
         """get a media url or a default static path"""
         uploaded = getattr(self, field, None)
         if uploaded:
@@ -185,7 +185,7 @@ class SiteInvite(models.Model):
     invitees = models.ManyToManyField(User, related_name="invitees")
 
     # pylint: disable=no-self-use
-    def raise_not_editable(self, viewer):
+    def raise_not_editable(self, viewer: User) -> None:
         """Admins only"""
         if viewer.has_perm("bookwyrm.create_invites"):
             return
@@ -214,7 +214,7 @@ class InviteRequest(BookWyrmModel):
     invite_sent = models.BooleanField(default=False)
     ignored = models.BooleanField(default=False)
 
-    def raise_not_editable(self, viewer):
+    def raise_not_editable(self, viewer: User) -> None:
         """Only check perms on edit, not create"""
         if not self.id or viewer.has_perm("bookwyrm.create_invites"):
             return
@@ -240,7 +240,7 @@ class PasswordReset(models.Model):
     expiry = models.DateTimeField(default=get_password_reset_expiry)
     user = models.OneToOneField(User, on_delete=models.CASCADE)
 
-    def valid(self):
+    def valid(self) -> bool:
         """make sure it hasn't expired or been used"""
         return self.expiry > timezone.now()