os.mkdir(path) returns OSError when directory does not exist

Question

I am calling os.mkdir to create a folder with a certain set of generated data. However, even though the path I specified has not been created, the os.mkdi

Answer 1

Simple answer that does not require any additional import, does not suppress errors such as "permission denied", "no space left on device" etc., yet accepts that the directory may already exist:

import os

try:
    os.mkdir(dirname)
except FileExistsError :
    pass
except :
    raise