Add sume utility methods

src/classes/Engines.py

@@ -20,7 +20,7 @@ class PlayerEngine:
         self.options = options
         self.interrupt_search = False
         self.logger.info("Init engine {}, options:{}".format(
-            self.__class__.__name__,
+            self._get_class_name(),
             self.options
         ))
 
@@ -30,8 +30,8 @@ class PlayerEngine:
     """
     def get_move(self, board):
         self.logger.info("engine: {} - player:{}".format(
-            self.__class__.__name__, 
-            self.get_player_name(self.player)
+            self._get_class_name(), 
+            self._get_player_name(self.player)
         ))
 
     """
@@ -50,10 +50,25 @@ class PlayerEngine:
     @param player: int
     @return: string
     """
-    @staticmethod
-    def get_player_name(player):
-        return 'White (O)' if player == 2 else 'Black (X)'
+    def _get_player_name(self, player):
+        return 'White (O)' if self.player == 2 else 'Black (X)'
 
+    def _show_stats_info(self, depth, nodes, leafs, heuristic):
+        self.logger.info(" -> stats: depth:{:.>2} | node:{:.>6} | leafs:{:.>6} | heuristic:{:.>4}".format(
+            depth,
+            nodes,
+            leafs,
+            heuristic
+        ))
+
+    def _show_better_move(self, move, heuristic):
+        self.logger.debug(" -> Found a better move: {},{} | heuristic:{}".format(
+            move[1],move[2],
+            heuristic
+            ))
+
+    def _get_class_name(self):
+        return self.__class__.__name__
 
 """
 Random game engine
@@ -156,19 +171,12 @@ class MinmaxPlayerEngine(PlayerEngine):
             if v > value:
                 value = v
                 move = m
-                self.logger.debug("\tfound a better move: {} (heuristic:{})".format(
-                    move,
-                    value
-                    ))
+                self._show_better_move(move, value)
             nodes += n
             leafs += l
             board.pop()
 
-        self.logger.info("Tree statistics:\n\tnodes:{}\n\tleafs:{}\n\theuristic:{}".format(
-            nodes,
-            leafs,
-            value
-        ))
+        self._show_stats_info(depth, nodes, leafs, value)
         return move, value
 
     """
@@ -242,16 +250,9 @@ class AlphabetaPlayerEngine(PlayerEngine):
             if  value >= alpha:
                 alpha = value
                 move = m
-                self.logger.debug("\t-> found a better move: {} | heuristic:{})".format(
-                    move,
-                    alpha
-                ))
+                self._show_stats_info(move, alpha)
 
-        self.logger.info("Tree statistics:\n\tnodes:{}\n\tleafs:{}\n\theuristic:{}".format(
-            nodes,
-            leafs,
-            alpha
-        ))
+        self._show_stats_info(depth, nodes, leafs, value)
         return move, alpha
 
     """