How to get relative path of files from defined root directory?

Question

I have the following,

base_dir = 'blog_images'
dir_to_serve = os.path.abspath(settings.MEDIA_ROOT + base_dir)

images = []
allowed_types = ('.jpg', '.jpeg', '.png', '.gif')
for  root, dirs, files in os.walk(dir_to_serve,topdown=False):
    for image_file in files:
        if image_file.endswith((allowed_types)):
            images.append(image_file)

The directory structure i have is the following;

media --> blog_images --> <year> --> <month> --> <date> --> files

Using os.walk() i am able to get the root of each directory etc, but what i am trying to accomplish is to build a dictionary key off the year/month/date and then list the images under that key. SO for example 2013 year then have month then day and then images for each day so that i can access them by date in the template.

How do u get the relative path of the file in that loop in relation to blog_images? How do i build a dictionary for use in a template? What are some of the functions i should be looking at?

Tim Pietzcker · Accepted Answer · 2013-07-03 13:34:13Z

5

That would be os.path.relpath():

>>> import os
>>> filename = "C:/test/media/blog_images/2013/06/15/yay.gif"
>>> blog_images = "C:/test/media/blog_images/"
>>> os.path.relpath(filename, blog_images)
'2013\\06\\15\\yay.gif'

answered Jul 3, 2013 at 13:34

Tim Pietzcker

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