[英]Can os.walk() be used on a list of strings? If not, what would be the equivalent?
除了使用真實的文件結構之外,是否可以給它提供預制的字符串列表以使其為您創建路徑/文件的嵌套列表?
示例列表(格式便於閱讀):
files = [
'user/hey.jpg',
'user/folder1/1.txt',
'user/folder1/folder2/random.txt',
'user/folder1/blah.txt',
'user/folder3/folder4/folder5/1.txt',
'user/folder3/folder4/folder5/3.txt',
'user/folder3/folder4/folder5/2.txt',
'user/1.jpg'
]
這是我希望的輸出:
['user'['1.jpg','hey.jpg','folder1'['1.txt','blah.txt','folder2'['random.txt']],'folder3'['folder4'['folder5'['1.txt','2.txt','3.txt']]]]]
我在這里問了類似的問題: 如何根據Python中匹配的文件夾路徑將文件路徑字符串嵌套到列表中
我收到一條評論,說os.walk()
我的需求,但隨處可見,似乎人們在使用它來爬網文件系統,而不是將已創建的文件路徑列表傳遞給它。
只需創建一棵樹。 快速草稿顯示示例:
import pprint
files = [
'user/hey.jpg',
'user/folder1/1.txt',
'user/folder1/folder2/random.txt',
'user/folder1/blah.txt',
'user/folder3/folder4/folder5/1.txt',
'user/folder3/folder4/folder5/3.txt',
'user/folder3/folder4/folder5/2.txt',
'user/1.jpg'
]
def append_to_tree(node, c):
if not c:
return
if c[0] not in node:
node[c[0]] = {}
append_to_tree(node[c[0]], c[1:])
root = {}
for path in files:
append_to_tree(root, path.split('/'))
pprint.pprint(root)
輸出:
{'user': {'1.jpg': {},
'folder1': {'1.txt': {},
'blah.txt': {},
'folder2': {'random.txt': {}}},
'folder3': {'folder4': {'folder5': {'1.txt': {},
'2.txt': {},
'3.txt': {}}}},
'hey.jpg': {}}}
如果可以使用字典而不是列表,那么無論如何都可以輕松更改。
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