Find the top 10 largest files in a list of file systems or directories

largefiles.py

import sys

from pathlib import Path
from os.path import getsize

if __name__ == '__main__':
    paths = sys.argv[1:]

    for path in paths:
        sizes = {}

        try:
            p = Path(path)
        except:
            print("{} is not a valid path".format(path))
            break

        # recursively get the size of each file in the current path
        for f in p.glob('**/*'):
            # figure out if the current descriptor is a directory or file
            try:
                directory = f.is_dir()
            except:
                # sometimes windows for some reason can't access stuff because windows
                break

            if not directory:
                fd = f.as_posix()   # path as a string
                sz = 0              # to avoid referencing before assignment
                try:
                    sz = getsize(fd)
                except:
                    # mostly for windows, if we get here the OS doesn't think the file exists
                    pass

                sizes[fd] = sz

        # print the top 10 files by file size
        top10 = sorted(sizes.items(), key=lambda t: t[1], reverse=True)
        print("Top 10 files in {}\n----------------------".format(path))
        print(top10[:9])
        print("\n")

Usage: python largefiles.py /etc /home /opt

Note this is only for python 3