Use sys.exit instead of exit

The global exit function is designed only for the interpreter, so use
the correct one.

Also fix the plandomizer so it does not immediately error when run.

EntranceRandomizer.py

@@ -3,6 +3,7 @@ import os
 import logging
 import random
 import textwrap
+import sys
 
 from Main import main
 from Gui import guiMain
@@ -191,11 +192,11 @@ if __name__ == '__main__':
     # ToDo: Validate files further than mere existance
     if not args.jsonout and not os.path.isfile(args.rom):
         input('Could not find valid base rom for patching at expected path %s. Please run with -h to see help for further information. \nPress Enter to exit.' % args.rom)
-        exit(1)
+        sys.exit(1)
     if args.sprite is not None and not os.path.isfile(args.sprite):
         if not args.jsonout:
             input('Could not find link sprite sheet at given location. \nPress Enter to exit.' % args.sprite)
-            exit(1)
+            sys.exit(1)
         else:
             raise IOError('Cannot find sprite file at %s' % args.sprite)
 

Plando.py

@@ -1,7 +1,7 @@
 from BaseClasses import World
 from Regions import create_regions
 from EntranceShuffle import link_entrances, connect_entrance, connect_two_way, connect_exit
-from Rom import patch_rom, LocalRom, write_string_to_rom, write_credits_string_to_rom
+from Rom import patch_rom, LocalRom, write_string_to_rom
 from Rules import set_rules
 from Dungeons import create_dungeons
 from Items import ItemFactory
@@ -12,6 +12,7 @@ import logging
 import argparse
 import os
 import hashlib
+import sys
 
 __version__ = '0.2-dev'
 
@@ -161,9 +162,10 @@ def fill_world(world, plando, text_patches):
                     elif line.startswith('!text_'):
                         textname, text = line.split(':', 1)
                         text_patches.append([textname.lstrip('!text_').strip(), 'text', text.strip()])
-                    elif line.startswith('!credits_'):
-                        textname, text = line.split(':', 1)
-                        text_patches.append([textname.lstrip('!credits_').strip(), 'credits', text.strip()])
+                    #temporarilly removed. New credits system not ready to handle this.
+                    #elif line.startswith('!credits_'):
+                    #    textname, text = line.split(':', 1)
+                    #    text_patches.append([textname.lstrip('!credits_').strip(), 'credits', text.strip()])
                     continue
 
                 locationstr, itemstr = line.split(':', 1)
@@ -214,13 +216,13 @@ if __name__ == '__main__':
     # ToDo: Validate files further than mere existance
     if not os.path.isfile(args.rom):
         input('Could not find valid base rom for patching at expected path %s. Please run with -h to see help for further information. \nPress Enter to exit.' % args.rom)
-        exit(1)
+        sys.exit(1)
     if not os.path.isfile(args.plando):
         input('Could not find Plandomizer distribution at expected path %s. Please run with -h to see help for further information. \nPress Enter to exit.' % args.plando)
-        exit(1)
+        sys.exit(1)
     if args.sprite is not None and not os.path.isfile(args.rom):
         input('Could not find link sprite sheet at given location. \nPress Enter to exit.' % args.sprite)
-        exit(1)
+        sys.exit(1)
 
     # set up logger
     loglevel = {'error': logging.ERROR, 'info': logging.INFO, 'warning': logging.WARNING, 'debug': logging.DEBUG}[args.loglevel]