Larz60+ Wrote:There's more, I haven't found out how to access it yet, but also gets the os.stat and 'other' information as well.
the claim is that it's 20 times faster than os.walk.

Ben Hoyt Wrote: It’s now used inside the popular os.walk() function to speed up walking directory trees by a significant amount.

from ctypes import windll
import string
import os
import sys

class TryScandir:
    def __init__(self):
        self.drives = []

    def get_drives(self):
        bitmask = windll.kernel32.GetLogicalDrives()
        for letter in string.ascii_uppercase:
            if bitmask & 1:
                self.drives.append(letter)
            bitmask >>= 1

        del_list = []
        for n, drive in enumerate(self.drives):
            try:
                sdrive = f'{drive}:/'
                os.stat(sdrive)
                # print(f'sdrive: {sdrive}, {os.stat(sdrive)}')
            except:
                del_list.append(n)
        if len(del_list):
            for i in sorted(del_list, reverse=True):
                del self.drives[i]
                # print(f'del_list: {del_list}')

    def scantree(self, path):
        """Recursively yield DirEntry objects for given directory."""
        for entry in os.scandir(path):
            if entry.is_dir(follow_symlinks=False):
                yield from self.scantree(entry.path)
            else:
                yield entry


    def startscan(self):
        ts.get_drives()
        entry = None
        print(f'The following drives will be scanned: {ts.drives}')
        with open('data/drivetree.txt', 'w', encoding='utf-8') as f:
            for drive in self.drives:
                sdrive = f'{drive}:/'
                print(f'Scanning {sdrive}')
                try:
                    for entry in self.scantree(sdrive):
                        f.write(f'{entry.path}\n')
                except PermissionError:
                    print(f'No Permission for {entry}')
                    pass
                except:
                    print(f'Unexpected error: {sys.exc_info()[0]}')


if __name__ == '__main__':
    ts = TryScandir()
    ts.startscan()