Creating similar multiple sub-folders in multiple different folders using python

Question

How do I create a multiple different folders that also contain multiple different folders using python?
My path is: './work/animals/'. The 'animals' directory contains the folders 'cat', 'dog', 'horse', 'mouse', 'lion', 'cheetah', 'rat', 'baboon', 'donkey', 'snake' and 'giraffe'. I have managed to write the part that creates all the animal folders (code below), but I also wanted to create three other subfolders namely 'male', 'female' and 'uncategorized' in all the folders in animals.

import os
root_path = './work/animals/'
folders = ['cat','dog','horse','mouse','lion','cheetah','rat','baboon','donkey','snake','giraffe']

for folder in folders:
     os.mkdir(os.path.join(root_path,folder))

Can you write out the paths of these directories you want to create? That should point you in the right direction. — Scott Hunter
– Scott Hunter, Commented Apr 8, 2016 at 18:28

Jacques Gaudin · Accepted Answer · 2016-04-08 19:31:29Z

1

How about simply doing :

import os
root_path = './work/animals/'
folders = ['cat','dog','horse','mouse','lion','cheetah','rat','baboon','donkey','snake','giraffe']
subfolders = ['male', 'female', 'uncategorized']
for folder in folders:
    os.mkdir(os.path.join(root_path,folder))
    for subfolder in subfolders : 
        os.mkdir(os.path.join(root_path,folder,subfolder))

edited Apr 8, 2016 at 19:31

answered Apr 8, 2016 at 18:48

Jacques Gaudin

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tdelaney · Accepted Answer · 2016-04-08 18:44:04Z

1

You can use itertools.product to get the combinations of animals plus gender that you want and then use os.makedirs which will create intermediate directories for you.

import os
import itertools

root_path = './work/animals/'

folders = ['cat','dog','horse','mouse','lion','cheetah','rat','baboon','donkey','snake','giraffe']
genders = ['male', 'female', 'uncategorized']

for folder,gender in itertools.product(folders, genders):
    os.makedirs(os.path.join(root_path,folder,gender))

answered Apr 8, 2016 at 18:44

tdelaney

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