bfs third try, repaired, need to print the path from start to goal

SearchBfs.py

@@ -1,27 +1,46 @@
 class BreadthSearchAlgorithm:
-    def __init__(self, graph, start, target):
+    def __init__(self, start, target):
-        self.graph = graph
+        self.graph = self.getData()
         self.start = start
         self.target = target
 
     def bfs(self):
-        queue = [[self.start]]
+        print("It's showtime")
+        can_go = [self.start]
         visited = []
-
         if self.start == self.target:
-            return
+            print("Start = Target")
-
+            return -1
-        while queue:
+        while can_go != []:
-            path = queue.pop(0)
+            node = can_go.pop(0)
-            node = path[-1]
             if node not in visited:
-                neighbours = self.graph
-                for neighbour in neighbours:
-                    next_path = list(path)
-                    next_path.append(neighbour)
-                    queue.append(next_path)
-                    if neighbour == self.target:
-                        return next_path
                 visited.append(node)
+                if node == self.target:
+                    return visited
+                neighbours = self.graph.get(node, [])
+                for neighbour in neighbours:
+                    can_go.append(neighbour)
+            print(visited)
+        return -1
 
-        return "Path found"
+    def getData(self):
+        with open("data.txt", "r") as f:
+            matrix = [
+                [int(x) for x in line.split(",") if x != "\n"] for line in f.readlines()
+            ]
+        adj = {}
+        for yi, yvalue in enumerate(matrix):
+            for xi, xvalue in enumerate(matrix):
+                if xi - 1 >= 0 and matrix[yi][xi - 1] == 0:
+                    adj[(xi, yi)] = adj.get((xi, yi), []) + [(xi - 1, yi)]
+
+                if xi + 1 < len(matrix[yi]) and matrix[yi][xi + 1] == 0:
+                    adj[(xi, yi)] = adj.get((xi, yi), []) + [(xi + 1, yi)]
+
+                if yi - 1 >= 0 and matrix[yi - 1][xi] == 0:
+                    adj[(xi, yi)] = adj.get((xi, yi), []) + [(xi, yi - 1)]
+
+                if yi + 1 < len(matrix) and matrix[yi + 1][xi] == 0:
+                    adj[(xi, yi)] = adj.get((xi, yi), []) + [(xi, yi + 1)]
+
+        return adj

main.py

@@ -144,37 +144,15 @@ class Game():
 #     pygame.quit()
 # if __name__ == '__main__':
 #     main()
-def graph():
-    with open('data.txt', 'r') as f:
-        matrix = [[int(x) for x in line.split(',') if x != '\n'] for line in f.readlines()]
-    adj = {}
-    for yi, yvalue in enumerate(matrix):
-        for xi, xvalue in enumerate(matrix):
-            if xi - 1 >= 0 and matrix[yi][xi - 1] == 0:
-                adj[(xi, yi)] = adj.get((xi, yi), []) + [(xi - 1, yi)]
-
-            if xi + 1 < len(matrix[yi]) and matrix[yi][xi + 1] == 0:
-                adj[(xi, yi)] = adj.get((xi, yi), []) + [(xi + 1, yi)]
-
-            if yi - 1 >= 0 and matrix[yi - 1][xi] == 0:
-                adj[(xi, yi)] = adj.get((xi, yi), []) + [(xi, yi - 1)]
-
-            if yi + 1 < len(matrix) and matrix[yi + 1][xi] == 0:
-                adj[(xi, yi)] = adj.get((xi, yi), []) + [(xi, yi + 1)]
-
-    l = sorted(list(adj.items()), key=lambda x: (x[0]))
-    print(*l, sep='\n')
-
-    return l
-
 
 start_node = (0, 2)
-target_node = (0, 2)
+target_node = (5, 3)
+find_path = BreadthSearchAlgorithm(start_node, target_node)
 # create the game object
 g = Game()
 g.show_start_screen()
 while True:
     g.new()
+    path_found = find_path.bfs()
     g.run()
     g.show_go_screen()
-    SearchBfs.BreadthSearchAlgorithm(graph, start_node, target_node)