Sort of a feature: Show mastered is now sorted: composer and collection

rep_cli.py

@@ -1,4 +1,5 @@
 import sqlite3
+from functools import total_ordering
 
 class Session:
 
@@ -117,7 +118,7 @@ class Session:
             for item in list_of_work_ids:
                 list_of_works.append(work_under_id(item[0], self.db_agent))
             fun_resultstring = 'All mastered movements:\n'
-            for work in list_of_works:
+            for work in sorted(list_of_works):
                 for mov_number in work.values['movements'].keys():
                     # check if movement is mastered
                     sql_command = f'''
@@ -208,6 +209,7 @@ class Session:
 
 # End session
 
+@total_ordering
 class work_under_id:
     # con = sqlite3.connect('repertoire.db')
     # reader = con.cursor()
@@ -314,6 +316,10 @@ class work_under_id:
                 ret_str += f'{key}: {value}\n'
         return ret_str
 
+    def __lt__(self, other):
+        return ((self.values['name'], self.sammlung()) <
+                (other.values['name'], self.sammlung()))
+
 # End work_under_id
 
 def parse_user_input(user_in, session):