Allowing seed number to save onto exported yaml if provided by user

Main.py

@@ -413,6 +413,8 @@ def export_yaml(args, fish):
     logger = logging.getLogger('')
 
     world = init_world(args, fish)
+    if args.seed and int(args.seed) > 0:
+        world.seed = int(args.seed)
 
     from OverworldShuffle import __version__ as ORVersion
     logger.info(

source/classes/CustomSettings.py

@@ -271,6 +271,8 @@ class CustomSettings(object):
         self.player_range = range(1, world.players + 1)
         settings_dict, meta_dict = {}, {}
         self.world_rep['meta'] = meta_dict
+        if world.seed:
+            meta_dict['seed'] = world.seed
         meta_dict['players'] = world.players
         meta_dict['algorithm'] = world.algorithm
         meta_dict['race'] = settings.race