Improve Python code for importing modules.

codes/python/chapter_array_and_linkedlist/linked_list.py

@@ -4,10 +4,11 @@ Created Time: 2022-11-25
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import ListNode, print_linked_list
 
 
 def insert(n0: ListNode, P: ListNode):

codes/python/chapter_backtracking/permutations_i.py

@@ -4,11 +4,6 @@ Created Time: 2023-04-15
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
-
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
-from modules import *
-
 
 def backtrack(
     state: list[int], choices: list[int], selected: list[bool], res: list[list[int]]

codes/python/chapter_backtracking/permutations_ii.py

@@ -4,11 +4,6 @@ Created Time: 2023-04-15
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
-
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
-from modules import *
-
 
 def backtrack(
     state: list[int], choices: list[int], selected: list[bool], res: list[list[int]]

codes/python/chapter_backtracking/preorder_traversal_i_compact.py

@@ -4,10 +4,11 @@ Created Time: 2023-04-15
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, print_tree, list_to_tree
 
 
 def pre_order(root: TreeNode):

codes/python/chapter_backtracking/preorder_traversal_ii_compact.py

@@ -4,10 +4,11 @@ Created Time: 2023-04-15
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, print_tree, list_to_tree
 
 
 def pre_order(root: TreeNode):

codes/python/chapter_backtracking/preorder_traversal_iii_compact.py

@@ -4,10 +4,11 @@ Created Time: 2023-04-15
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, print_tree, list_to_tree
 
 
 def pre_order(root: TreeNode):

codes/python/chapter_backtracking/preorder_traversal_iii_template.py

@@ -4,10 +4,11 @@ Created Time: 2023-04-15
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, print_tree, list_to_tree
 
 
 def is_solution(state: list[TreeNode]) -> bool:

codes/python/chapter_computational_complexity/space_complexity.py

@@ -4,10 +4,11 @@ Created Time: 2022-11-25
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import ListNode, TreeNode, print_tree
 
 
 def function() -> int:

codes/python/chapter_divide_and_conquer/build_tree.py

@@ -4,10 +4,11 @@ Created Time: 2023-07-15
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, print_tree
 
 
 def dfs(

codes/python/chapter_graph/graph_adjacency_list.py

@@ -4,10 +4,11 @@ Created Time: 2023-02-23
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import Vertex, vals_to_vets
 
 
 class GraphAdjList:

codes/python/chapter_graph/graph_adjacency_matrix.py

@@ -4,10 +4,11 @@ Created Time: 2023-02-23
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import Vertex, print_matrix
 
 
 class GraphAdjMat:

codes/python/chapter_graph/graph_bfs.py

@@ -4,10 +4,11 @@ Created Time: 2023-02-23
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import Vertex, vals_to_vets, vets_to_vals
 from collections import deque
 from graph_adjacency_list import GraphAdjList
 

codes/python/chapter_graph/graph_dfs.py

@@ -4,10 +4,11 @@ Created Time: 2023-02-23
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import Vertex, vets_to_vals, vals_to_vets
 from graph_adjacency_list import GraphAdjList
 
 

codes/python/chapter_hashing/built_in_hash.py

@@ -4,10 +4,11 @@ Created Time: 2023-06-15
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import ListNode
 
 """Driver Code"""
 if __name__ == "__main__":

codes/python/chapter_hashing/hash_map.py

@@ -4,10 +4,11 @@ Created Time: 2022-12-14
 Author: msk397 (machangxinq@gmail.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import print_dict
 
 """Driver Code"""
 if __name__ == "__main__":

codes/python/chapter_hashing/hash_map_chaining.py

@@ -4,9 +4,10 @@ Created Time: 2023-06-13
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
 from chapter_hashing.array_hash_map import Pair
 
 

codes/python/chapter_hashing/hash_map_open_addressing.py

@@ -4,9 +4,10 @@ Created Time: 2023-06-13
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
 from chapter_hashing.array_hash_map import Pair
 
 

codes/python/chapter_heap/heap.py

@@ -4,10 +4,11 @@ Created Time: 2023-02-23
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import print_heap
 
 import heapq
 

codes/python/chapter_heap/my_heap.py

@@ -4,10 +4,11 @@ Created Time: 2023-02-23
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import print_heap
 
 
 class MaxHeap:

codes/python/chapter_heap/top_k.py

@@ -4,10 +4,11 @@ Created Time: 2023-06-10
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import print_heap
 
 import heapq
 

codes/python/chapter_searching/binary_search_edge.py

@@ -4,9 +4,10 @@ Created Time: 2023-08-04
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
 from binary_search_insertion import binary_search_insertion
 
 

codes/python/chapter_searching/hashing_search.py

@@ -4,10 +4,11 @@ Created Time: 2022-11-26
 Author: timi (xisunyy@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import ListNode, list_to_linked_list
 
 
 def hashing_search_array(hmap: dict[int, int], target: int) -> int:

codes/python/chapter_searching/linear_search.py

@@ -4,10 +4,11 @@ Created Time: 2022-11-26
 Author: timi (xisunyy@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import ListNode, list_to_linked_list
 
 
 def linear_search_array(nums: list[int], target: int) -> int:

codes/python/chapter_stack_and_queue/linkedlist_queue.py

@@ -4,10 +4,11 @@ Created Time: 2022-12-01
 Author: Peng Chen (pengchzn@gmail.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import ListNode
 
 
 class LinkedListQueue:

codes/python/chapter_stack_and_queue/linkedlist_stack.py

@@ -4,10 +4,11 @@ Created Time: 2022-11-29
 Author: Peng Chen (pengchzn@gmail.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import ListNode
 
 
 class LinkedListStack:

codes/python/chapter_tree/array_binary_tree.py

@@ -4,10 +4,11 @@ Created Time: 2023-07-19
 Author: Krahets (krahets@163.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, list_to_tree, print_tree
 
 
 class ArrayBinaryTree:

codes/python/chapter_tree/avl_tree.py

@@ -4,10 +4,11 @@ Created Time: 2022-12-20
 Author: a16su (lpluls001@gmail.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, print_tree
 
 
 class AVLTree:

codes/python/chapter_tree/binary_search_tree.py

@@ -4,10 +4,11 @@ Created Time: 2022-12-20
 Author: a16su (lpluls001@gmail.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, print_tree
 
 
 class BinarySearchTree:

codes/python/chapter_tree/binary_tree.py

@@ -4,10 +4,11 @@ Created Time: 2022-12-20
 Author: a16su (lpluls001@gmail.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, print_tree
 
 
 """Driver Code"""

codes/python/chapter_tree/binary_tree_bfs.py

@@ -4,10 +4,11 @@ Created Time: 2022-12-20
 Author: a16su (lpluls001@gmail.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, list_to_tree, print_tree
 from collections import deque
 
 

codes/python/chapter_tree/binary_tree_dfs.py

@@ -4,10 +4,11 @@ Created Time: 2022-12-20
 Author: a16su (lpluls001@gmail.com)
 """
 
-import sys, os.path as osp
+import sys
+from pathlib import Path
 
-sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
+sys.path.append(str(Path(__file__).parent.parent))
-from modules import *
+from modules import TreeNode, list_to_tree, print_tree
 
 
 def pre_order(root: TreeNode | None):