stuck somewhere in recurionland

maze/__init__.py

@@ -3,15 +3,45 @@ from random import randint
 
 
 class CS235Maze(object):
-    def __init__(self, data, size=8):
-        self.data = data
-        self.size = size
+    def __init__(self, data):
+        self._data = data
+        self._size = len(data)
+
+    def _solve(self, x, y, z, visited):
+        print x, y, z
+        if all(i == self._size - 1 for i in (x, y, z)):
+            return True
+
+        if x - 1 >= 0 and (x - 1, y, z) not in visited:
+            _v = copy.deepcopy(visited)
+            _v.add((x - 1, y, z))
+            return self._solve(x - 1, y, z, _v)
+        if x + 1 < self._size and self._data[x + 1][y][z] and (x + 1, y, z) not in visited:
+            _v = copy.deepcopy(visited)
+            _v.add((x + 1, y, z))
+            return self._solve(x + 1, y, z, _v)
+
+        if y - 1 >= 0 and (x, y - 1, z) not in visited:
+            _v = copy.deepcopy(visited)
+            _v.add((x, y - 1, z))
+            self._solve(x, y - 1, z, _v)
+        if y + 1 < self._size and self._data[x][y + 1][z] and (x, y + 1, z) not in visited:
+            _v = copy.deepcopy(visited)
+            _v.add((x, y + 1, z))
+            return self._solve(x, y + 1, z, _v)
+
+        if z - 1 >= 0 and (x, y, z - 1) not in visited:
+            _v = copy.deepcopy(visited)
+            _v.add((x, y, z - 1))
+            return self._solve(x, y, z - 1, _v)
+        if z + 1 < self._size and self._data[x][y][z + 1] and (x, y, z + 1) not in visited:
+            _v = copy.deepcopy(visited)
+            _v.add((x, y, z + 1))
+            return self._solve(x, y, z + 1, _v)
 
-    def _solve(self, x, y, z):
-        return False, set()
 
     def solve(self):
-        return self._solve(0, 0, 0)
+        return self._solve(0, 0, 0, set())
 
     def __str__(self):
         r = derp_transpose(self.data)
@@ -32,7 +62,7 @@ def make_maze(size=8):
         for j in xrange(size):
             r[i].append([randint(0, 1) for k in xrange(size)])
     r[0][0][0] = 1
-    r[7][7][7] = 1
+    r[size - 1][size - 1][size - 1] = 1
     return CS235Maze(r, size)
 
 
@@ -40,7 +70,7 @@ def parse_maze(maze):
     soilded = [[[int(i) for i in j.split()]
                     for j in k.split('\n')]
                         for k in maze.split('\n\n') if k]
-    cleaned = derp_transpose(soilded)
+    cleaned = derp_transpose(soilded, size=len(soilded))
     return CS235Maze(cleaned)
 
 

maze/test_parsing.py

@@ -83,9 +83,9 @@ class MazeTests(unittest.TestCase):
 
 
     def test_at_indices(self):
-        assert self.m[7][0][0] == 0
-        assert self.m[7][3][0] == 1
-        assert self.m[7][0][1] == 0
-        assert self.m[3][3][3] == 1
-        assert self.m[5][2][6] == 1
-        assert self.m[7][5][4] == 0
+        assert self.m._data[7][0][0] == 0
+        assert self.m._data[7][3][0] == 1
+        assert self.m._data[7][0][1] == 0
+        assert self.m._data[3][3][3] == 1
+        assert self.m._data[5][2][6] == 1
+        assert self.m._data[7][5][4] == 0

samples/small.txt

@@ -0,0 +1,5 @@
+1 0
+0 0
+
+1 0
+1 1