Python script to check if all files in one directory exists in another

check_dir_contained.py

"""Script checks to see if all files in src exists in dest"""

import os
import subprocess


def does_file_exist(dest: str, name: str):
    """Checks if the file exists

    Approach was taken from
    https://stackoverflow.com/questions/1724693/find-a-file-in-python

    :param dest: Full path of directory to check if file exists
    :param name: Name of file to check
    :return True if it exists otherwise False
    """
    cmd = "find {0} -name \'{1}\' -print -quit".format(dest, name)
    lines = [line[2:] for line in subprocess.check_output(cmd, shell=True).splitlines()]
    return len(lines) > 0


def check_dir(src: str, dest: str, num=0, num_not_found=0):
    """Check if all files in directory src exists in directory dest

    This function is recursive.

    :param src: Full path of directory to check if all files exist in dest
    :param dest: Full path of directory
    :param num: Number of files checked
    :param num_not_found: Number of files not found in dest
    :return num, num_not_found
    """
    for entry in os.scandir(src):
        if entry.is_file():
            if not does_file_exist(dest, entry.name):
                print("Not found: {0}".format(entry.name))
                num_not_found += 1
            num += 1

            if num % 50 == 0:
                print("Finished checking {0}".format(num))
        else:
            num, num_not_found = scan(entry.path, dest, num=num, num_not_found=num_not_found)

    return num, num_not_found


if __name__ == "__main__":
    src = sys.argv[1]
    dest = sys.argv[2]

    num, num_not_found = check_dir(src, dest)
    print("#checked: {0}, #not found: {1}".format(num, num_not_found))

Do you know how to check directory exist or not with subprocess module. Cuz I don't want to use 2 modules with pretty similar function in program: subprocess and os

@imnotwannafire I think you can use the -type d arg+param for the find command so the find command becomes:

cmd = "find {0} -name -type d \'{1}\' -print -quit".format(dest, name)

Do you know how to check directory exist or not with subprocess module. Cuz I don't want to use 2 modules with pretty similar function in program: subprocess and os

@imnotwannafire I think you can use the -type d arg+param for the find command so the find command becomes:

cmd = "find {0} -name -type d \'{1}\' -print -quit".format(dest, name)

Great! Thank you for your help.