"""sitecustomize: neutralize the broken /tmp/six.py (left by another user in
the shared /tmp). It shadows the real six package. Python auto-imports
`sitecustomize` at startup; we simply preload the REAL six from site-packages
and pin it in sys.modules so /tmp/six.py is never consulted.
"""
import importlib.util
import site


def _load_real_six():
    candidates = list(site.getsitepackages()) + [site.getusersitepackages()]
    for sp in candidates:
        if not sp:
            continue
        p = sp.rstrip("/") + "/six.py"
        try:
            with open(p, "r", encoding="utf-8") as f:
                if "with_metaclass" not in f.read():
                    continue
        except OSError:
            continue
        spec = importlib.util.spec_from_file_location("six", p)
        mod = importlib.util.module_from_spec(spec)
        spec.loader.exec_module(mod)
        import sys

        sys.modules["six"] = mod
        return True
    return False


try:
    import sys

    already_ok = False
    try:
        import six  # noqa

        already_ok = "with_metaclass" in dir(six) or hasattr(six, "with_metaclass")
    except ImportError:
        already_ok = False
    if not already_ok:
        _load_real_six()
except Exception:
    pass