Getting directory size

[Peter Hansen]

francisl wrote:
> How can we get a full directory size (sum of all his data)?
> like when we type `du -sh mydir`
> 
> Because os.path.getsize('mydir') only give the size of the directory 
> physical representation on the disk.

os.popen('du -sh mydir') would be one approach.

The harder way is to use os.walk('mydir') to scan all
files in all subdirectories, and use os.stat() or
os.path.getsize() to add up the sizes of each file.

-Peter