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main/loadDiplomacyGame.py

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+
+import random
+from diplomacy import Game
+from diplomacy.utils.export import from_saved_game_format
+from diplomacy.utils.export import is_valid_saved_game
+from diplomacy.utils.export import to_saved_game_format
+import ujson as json
+import sys, getopt, os
+
+# Creating a game
+# map file's baseName can be the map_name argument. e.g. Game(map_name='pure')
+
+# the following script, from https://pypi.org/project/diplomacy/
+# plays a game locally by submitting random valid orders until the game is completed.
+def main():
+  try:   
+   (options, arguments) = getopt.getopt(sys.argv[1:], 'h')
+  except getopt.error:
+   sys.exit("Unknown input parameter.")
+  if [] == arguments:
+    arguments = ["pure"]
+  if not os.path.exists(arguments[0] + ".map"):
+    sys.exit("%s.map could not be opened" % (arguments[0],))
+  input_path = "../unitTestPureGame.json"
+  if not os.path.exists(input_path):
+    sys.exit("File %s does not exist." % input_path)
+  with open(input_path, 'r') as file:
+    combinedLines = ''
+    for line in file:
+      combinedLines += line.strip()
+      if(line.strip()== ''):
+        saved_game = json.loads(combinedLines)
+        game = from_saved_game_format(saved_game)
+	break
+
+  if not is_valid_saved_game(saved_game):
+    sys.exit("File %s was evaluated as invalid." % input_path)
+  if not game.is_game_done:
+    # Getting the list of possible orders for all locations
+    possible_orders = game.get_all_possible_orders()
+
+    # For each power, randomly sampling a valid order
+    for power_name, power in game.powers.items():
+        power_orders = []
+        for loc in game.get_orderable_locations(power_name):
+          if '/' == loc[-1]:
+            loc = loc[:-1]
+          if possible_orders[loc]:
+            power_orders.append(random.choice(possible_orders[loc]))
+        game.set_orders(power_name, power_orders)
+    game.process()
+# Exporting the game to disk to visualize
+    with open('unitTestResult_game.json', 'w') as outp:
+      outp.write(to_saved_game_format(game))
+
+if __name__ == '__main__':
+   main()