Rename files of a Cryptomator vault after a Google Drive migration.

rename.py

#!/usr/bin/env python3

import argparse
import filecmp
import os
import stat

class dircmpdiff(filecmp.dircmp):
    def phase0(self):
        super(dircmpdiff, self).phase0()

    def phase1(self):
        super(dircmpdiff, self).phase1()

    def phase2(self):
        self.common_dirs = []

        for x in self.common:
            a_path = os.path.join(self.left, x)
            b_path = os.path.join(self.right, x)

            ok = 1
            try:
                a_stat = os.stat(a_path)
            except OSError:
                ok = 0

            if ok:
                a_type = stat.S_IFMT(a_stat.st_mode)
                if stat.S_ISDIR(a_type):
                    self.common_dirs.append(x)

    def phase3(self):
        raise NotImplementedError

    def phase4(self):
        self.subdirs = {}
        for x in self.common_dirs:
            a_x = os.path.join(self.left, x)
            b_x = os.path.join(self.right, x)
            self.subdirs[x]  = self.__class__(a_x, b_x, self.ignore, self.hide)

    def diff_in_dir(self):
        if self.left_only:
            self.left_only.sort()

        if self.right_only:
            self.right_only.sort()

        for original, new in zip(self.left_only, self.right_only):
            print("Replacing \n{} with \n{}".format(os.path.join(self.right, new), os.path.join(self.right, original)))
            os.replace(os.path.join(self.right, new), os.path.join(self.right, original))

    def diff_in_all_dirs(self):
        self.diff_in_dir()
        for sd in self.subdirs.values():
            sd.diff_in_all_dirs()

    methodmap = dict(subdirs=phase4, common_dirs=phase2, common=phase1,
                     left_only=phase1, right_only=phase1,
                     left_list=phase0, right_list=phase0)


def rename(args):
    comparator = dircmpdiff(args.src, args.dst)
    comparator.diff_in_all_dirs()

if __name__ == '__main__':
    parser = argparse.ArgumentParser(description="Fix file names after Google Drive migration.")
    parser.add_argument('src', help="Path to the original vault")
    parser.add_argument('dst', help="Path to the new vault")
    args = parser.parse_args()
    rename(args)