import atexit
import tempfile


_tmpdirs = set()


def _cleanup():
    try:
        import sys
        import shutil
    except ImportError:
        return
    tmp = None
    try:
        for tmp in _tmpdirs:
            shutil.rmtree(tmp)
    except Exception, exc:
        sys.stderr.write("\n** shutil.rmtree(%r): %s\n" % (tmp, exc))

atexit.register(_cleanup)


def _polite_tmpdir():
    tmp = tempfile.mkdtemp()
    _tmpdirs.add(tmp)
    return tmp


# See settings.py for documentation:
NETAPP_STORAGE = _polite_tmpdir()
ADDONS_PATH = _polite_tmpdir()
GUARDED_ADDONS_PATH = _polite_tmpdir()
UPLOADS_PATH = _polite_tmpdir()
MIRROR_STAGE_PATH = _polite_tmpdir()
TMP_PATH = _polite_tmpdir()
COLLECTIONS_ICON_PATH = _polite_tmpdir()