1

agent/naive.py

@@ -0,0 +1,29 @@
+# tag::randombotimports[]
+import random
+from tugo.agent.base import Agent
+from tugo.agent.helpers import is_point_an_eye
+from tugo.goboard_slow import Move
+from tugo.gotypes import Point
+# end::randombotimports[]
+
+
+__all__ = ['RandomBot']
+
+
+# tag::random_bot[]
+class RandomBot(Agent):
+    def select_move(self, game_state):
+        """Choose a random valid move that preserves our own eyes."""
+        candidates = []
+        for r in range(1, game_state.board.num_rows + 1):
+            for c in range(1, game_state.board.num_cols + 1):
+                candidate = Point(row=r, col=c)
+                if game_state.is_valid_move(Move.play(candidate)) and \
+                        not is_point_an_eye(game_state.board,
+                                            candidate,
+                                            game_state.next_player):
+                    candidates.append(candidate)
+        if not candidates:
+            return Move.pass_turn()
+        return Move.play(random.choice(candidates))
+# end::random_bot[]