progress.

src/snek/service/user.py

@@ -7,6 +7,9 @@ from snek.system.service import BaseService
 class UserService(BaseService):
     mapper_name = "user"
 
+    async def get_by_username(self, username):
+        return await self.get(username=username)
+
     async def search(self, query, **kwargs):
         query = query.strip().lower()
         if not query: