[Linting] Make PyLint happy with the current code

calsocial/models.py

@@ -37,6 +37,12 @@ users_roles = db.Table(
 
 
 def generate_uuid():
+    """Generate a UUID (version 4)
+
+    :returns: the hexadecimal representation of the generated UUID
+    :rtype: str
+    """
+
     from uuid import uuid4
 
     return uuid4().hex
@@ -52,10 +58,14 @@ def _(translate):  # pylint: disable=invalid-name
 
 
 class NotificationAction(Enum):
+    """The possible values for notification actions
+    """
+
+    #: A user followed another
     follow = 1
 
 
-notification_action_messages = {
+NOTIFICATION_ACTION_MESSAGES = {
     NotificationAction.follow: (_('%(actor)s followed you'), _('%(actor)s followed %(item)s'))
 }
 
@@ -205,7 +215,11 @@ class Profile(db.Model):  # pylint: disable=too-few-public-methods
 
     @property
     def fqn(self):
-        ret = ''
+        """The fully qualified name of the profile
+
+        For local profiles, this is in the form ``@username``; for remote users, it’s in the form
+        ``@username@domain``.
+        """
 
         if self.user:
             return f'@{self.user.username}'
@@ -452,7 +466,7 @@ class AuditLog(db.Model):
         logger.info(message)
 
 
-class UserFollow(db.Model):
+class UserFollow(db.Model):  # pylint: disable=too-few-public-methods
     """Database model for user follows
     """
 
@@ -510,6 +524,9 @@ class Notification(db.Model):
 
     @property
     def item(self):
+        """The subject of the notification
+        """
+
         item_class = self._decl_class_registry.get(self.item_type)
 
         if item_class is None:
@@ -531,7 +548,7 @@ class Notification(db.Model):
 
         from flask_security import current_user
 
-        messages = notification_action_messages.get(self.action)
+        messages = NOTIFICATION_ACTION_MESSAGES.get(self.action)
         message = messages[0 if self.item == current_user.profile else 1]
 
         return lazy_gettext(message, actor=self.actor, item=self.item)