Allow diff files to be created from the command line

EntranceRandomizer.py

@@ -274,6 +274,9 @@ def parse_arguments(argv, no_defaults=False):
     parser.add_argument('--outputpath')
     parser.add_argument('--race', default=defval(False), action='store_true')
     parser.add_argument('--outputname')
+    parser.add_argument('--create_diff', default=defval(False), action='store_true', help='''\
+    create a binary patch file from which the randomized rom can be recreated using MultiClient.
+    Does not work with jsonout.''')
 
     if multiargs.multi:
         for player in range(1, multiargs.multi + 1):

Main.py

@@ -218,7 +218,11 @@ def main(args, seed=None):
                                                                                                 'random'] else "",
                                                                   "-nohints" if not world.hints[
                                                                       player] else "")) if not args.outputname else ''
-            rom.write_to_file(output_path(f'{outfilebase}{outfilepname}{outfilesuffix}.sfc'))
+            rompath = output_path(f'{outfilebase}{outfilepname}{outfilesuffix}.sfc')
+            rom.write_to_file(rompath)
+            if args.create_diff:
+                import Patch
+                Patch.create_patch_file(rompath)
         return (player, team, list(rom.name))
 
     if not args.suppress_rom:

host.yaml

@@ -13,7 +13,7 @@ server_options:
   disable_save: null
   loglevel: null
   #disallow automatically forwarding the port that is used, then closing that port on shutdown
-  disable_port_forward: null
+  disable_port_forward: true
   #Disallow !getitem. Old /getitem cannot be blocked this way
   disable_item_cheat: null
   #Client hint system