Rare/rare/__init__.py

import os

__version__ = "1.8.7"

from PyQt5.QtCore import QStandardPaths

code_name = "Stellula Kakopo"

resources_path = os.path.join(os.path.dirname(__file__), "resources")
data_dir = os.path.join(QStandardPaths.writableLocation(QStandardPaths.DataLocation), "rare")
cache_dir = os.path.join(QStandardPaths.writableLocation(QStandardPaths.CacheLocation), "rare")
image_dir = os.path.join(data_dir, "images")
tmp_dir = os.path.join(cache_dir, "tmp")

for path in (resources_path, data_dir, cache_dir, image_dir, tmp_dir):
    if not os.path.exists(path):
        os.makedirs(path)