move_by_dir_type.py

#!/usr/bin/env python3
import os
import shutil


def what_is_inside(types) -> str:
    result = ""
    if "mp3" in types and "flac" in types:
        result = "both"
    if "mp3" in types and not "flac" in types:
        result = "mp3"
    if not "mp3" in types and "flac" in types:
        result = "flac"
    return result


res = []
for path in os.listdir("./"):

    # skip files in parent dir
    if os.path.isfile(path):
        continue

    types = []
    for root, dirs, paths in os.walk(path):
        types += [f.split(".")[-1].lower() for f in paths]
    types = set(types)

    dir_type = what_is_inside(types)
    print(f"{dir_type} -> {path} -> {types}")
    if dir_type == "flac":
        try:
            shutil.move(path, "../FLAC")
        except shutil.Error as ex:
            print(ex)
    if dir_type == "mp3":
        try:
            shutil.move(path, "../mp3")
        except shutil.Error as ex:
            print(ex)