Remove directory that is not empty?

[techykermit]

Hi! I have a very simple question, that hopefully has a very simple answer. I need the functionality of removing a directory that is not empty on my device, but I can not figure out how.

Apparently there is no shutil.rmtree() or os.walk() in MicroPython. So how would I do it?

[MostlyHarmless]

How about a recursive function based on os.ilistdir() which calls itself plus os.rmdir() for directories and os.remove() for files?


Regards, Jan

[jimmo]

There's an implementation of some parts of shutil in micropython-lib: https://github.com/micropython/micropyt ... /shutil.py

[tiny]

Code: Select all

import os
def rmdir(dir):
    for i in os.listdir(dir):
        os.remove('{}/{}'.format(dir,i))
    os.rmdir(dir)

[MostlyHarmless]

Code: Select all

import os
def rmdir(dir):
    for i in os.listdir(dir):
        os.remove('{}/{}'.format(dir,i))
    os.rmdir(dir)

What happens when there are subdirectories?

[Roberthh]

I made this one once, which recurses into subdirectories

Code: Select all

def rm(d):  # Remove file or tree
    try:
        if os.stat(d)[0] & 0x4000:  # Dir
            for f in os.ilistdir(d):
                if f[0] not in ('.', '..'):
                    rm("/".join((d, f[0])))  # File or Dir
            os.rmdir(d)
        else:  # File
            os.remove(d)
    except:
        print("rm of '%s' failed" % d)

[tiny]

(Edit, it occurs to me now how bad it is to name my func the same as os modules'. Especially when trying to help/suggest code to others. changes that to 'rmvdir'. )

os.ilistdir is interesting, I didnt know it was a thing until your post. Funny that uPy has both it, and the usual listdir.

The help says:

This function returns an iterator which then yields tuples corresponding to the entries in the directory that it is listing. With no argument it lists the current directory, otherwise it lists the directory given by dir.

The tuples have the form (name, type, inode[, size])
[..]
type is an integer that specifies the type of the entry, with 0x4000 for directories and 0x8000 for regular files;

...but when I ilistdir, i get either 32678 for a file, or 16384 for a dir:

Code: Select all

for i in os.ilistdir('.'):
    print(i)

>>> ('boot.py', 32768, 0, 1635)
>>> ('lib', 16384, 0, 0)

Either way, takes the Pepsi challenge:

Code: Select all

import os
def rmvdir(dir):
    for i in os.ilistdir(dir):
        if i[1] == 16384:
            rmvdir('{}/{}'.format(dir,i))
        elif i[1] == 32678:
            os.remove('{}/{}'.format(dir,i[0]))
    os.rmdir(dir)

How cool, its recursive! woot. I also didn't really test it. But - fun! Meanwhile, steals @roberthh's rendition for personal stash Cheers

[techykermit]

Sorry that I haven't posted this sooner but I thank you all for the interpretations and code! I will use Robert's in my application.
Many thanks!

[MostlyHarmless]

...but when I ilistdir, i get either 32678 for a file, or 16384 for a dir:

What are 16384 and 32768 in hex?