Move equals from users to context

src/context.py

@@ -91,6 +91,9 @@ def lower(nick):
 
     return nick.lower().translate(str.maketrans(mapping))
 
+def equals(nick1, nick2):
+    return lower(nick1) == lower(nick2)
+
 def context_types(*types):
     def wrapper(cls):
         cls._getters = l = []

src/users.py

@@ -2,7 +2,7 @@ from weakref import WeakSet
 import fnmatch
 import re
 
-from src.context import IRCContext, Features, lower
+from src.context import IRCContext, Features, lower, equals
 from src import settings as var
 from src import db
 
@@ -169,9 +169,6 @@ def parse_rawnick_as_dict(rawnick, *, default=None):
 
     return _raw_nick_pattern.search(rawnick).groupdict(default)
 
-def equals(nick1, nick2):
-    return lower(nick1) == lower(nick2)
-
 class User(IRCContext):
 
     is_user = True