This script organizes screen captures taken by Mac into monthly or daily directories. It is assumed to be executed by Automator app.

organize_mac_screen_captures.py

import glob
import os
import re
from typing import Final

HOME_DIR: Final[str] = "/Users/hoge"  # change to your home directory
FILE_TYPE: Final[str] = "jpg" # or "png"
NEW_FILE_PATTERN: Final = r".*(\d{4})-(\d{2})-(\d{2})_\d{5,6}([^\/]+)?\." + FILE_TYPE
SC_DIR: Final = f"{HOME_DIR}/Pictures/__ss_tmp"
SC_OUT_DIR: Final = f"{HOME_DIR}/Pictures/000_ScreenShot"

DIR_TYPE: Final = "MONTH"  # "DAY" or "MONTH"


def get_screen_captures():
    return glob.glob(SC_DIR + "/*." + FILE_TYPE)


def rename_file_path(filename: str) -> str:
    """Rename file path.
    * replace half space to under score
    * remove period
    * replace "(N)" of "（N）" to "_N"
    Example:
       "sc 2020-03-05_21.39.57.png" -> "sc_2020-03-05_213957.png"
    """
    filename_tmp: str = filename.replace("." + FILE_TYPE, "").replace(SC_DIR, "")
    filename_tmp = re.sub(r"( |\(|（)", "_", re.sub(r"(\.|\)|）)", "", filename_tmp))
    return SC_DIR + filename_tmp + "." + FILE_TYPE


def create_daily_directory(filename: str) -> str:
    """Create daily directory from renamed file name if it does not exists.
    Example:
        If the file name is "sc_2020-03-05_213957.png",
        following directories will be created.
        SC_OUT_DIR/2020/03/05
    """
    daily_dir = SC_OUT_DIR + re.sub(NEW_FILE_PATTERN, r"/\1/\2/\3", filename)
    if os.path.exists(daily_dir) is False:
        print("create directory " + daily_dir)
        os.makedirs(daily_dir)

    return daily_dir


def create_monthly_directory(filename: str) -> str:
    """Create monthly directory from renamed file name if it does not exists.
    Example:
        If the file name is "sc_2020-03-05_213957.png",
        following directories will be created.
        SC_OUT_DIR/2020/03
    """
    monthly_dir = SC_OUT_DIR + re.sub(NEW_FILE_PATTERN, r"/\1/\2", filename)
    if os.path.exists(monthly_dir) is False:
        os.makedirs(monthly_dir)

    return monthly_dir


def move_file(old_path: str, new_path: str):
    os.rename(old_path, new_path)


if __name__ == "__main__":
    sc_list = get_screen_captures()
    if len(sc_list) == 0:
        print("There are no screen shot file.")
        exit

    for sc_file_path in sc_list:
        renamed_file_path = rename_file_path(sc_file_path)
        if DIR_TYPE == "DAY":
            out_dir = create_daily_directory(renamed_file_path)
        else:
            out_dir = create_monthly_directory(renamed_file_path)

        new_file_path = renamed_file_path.replace(SC_DIR, out_dir)
        move_file(sc_file_path, new_file_path)