import glob
import os

XDG_DATA_HOME = os.environ.get(
    "XDG_DATA_HOME", os.path.expanduser("~/.local/share")
)
XDG_DATA_DIRS = os.environ.get(
    "XDG_DATA_DIRS", "/usr/local/share/:/usr/share/"
)
XDG_DATA_DIRS = XDG_DATA_DIRS.split(os.pathsep)

def main() -> list[str]:
    files = []
    for appdata in (XDG_DATA_HOME, *XDG_DATA_DIRS):
        shortcuts = os.path.join(appdata, "applications")
        if not os.path.isdir(shortcuts):
            continue
        shortcuts = os.path.join(shortcuts, "**", "*.desktop")
        files.extend(glob.iglob(shortcuts, recursive=True))
    return files

if __name__ == "__main__":
    print(main())