folder_jpg.py

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"""
Recursively walks a directory, setting the HIDDEN, SYSTEM, and READONLY 
attributes on any files named 'folder.jpg' found.  Just a quick script to help
when managing media libraries.
"""
import ctypes
import os
import sys
from enum import IntFlag


class AttribFlags(IntFlag):
    READONLY            = 0x0001
    HIDDEN              = 0x0002
    SYSTEM              = 0x0004
    ARCHIVE             = 0x0020
    NORMAL              = 0x0080
    TEMPORARY           = 0x0100
    OFFLINE             = 0x1000
    NOT_CONTENT_INDEXED = 0x2000

    FOLDER_JPG_FLAGS = READONLY | HIDDEN | SYSTEM


SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
GetFileAttributes = ctypes.windll.kernel32.GetFileAttributesW


def set_attribs(filename, flags=AttribFlags.FOLDER_JPG_FLAGS):
    """Sets the specified file attributes if needed."""
    current_flags = AttribFlags(GetFileAttributes(filename))
    missing = flags & ~current_flags
    if missing:
        print(filename)
        flags = flags | current_flags
        SetFileAttributes(filename, flags)


def walk_and_set(directory, flags=AttribFlags.FOLDER_JPG_FLAGS):
    """Walk the specified directory, setting file attributes on any 'folder.jpg' files"""
    for root, dirs, files in os.walk(directory):
        for file in files:
            if file.lower() == 'folder.jpg':
                path = os.path.join(root, file)
                set_attribs(path, flags)


def main():
    if len(sys.argv) > 1:
        walk_and_set(sys.argv[1])
    else:
        walk_and_set(os.getcwd())


if __name__ == '__main__':
    main()