Function impl_detail

Lib/test/support/__init__.py:1352–1363

(msg=None, **guards)

    return impl_detail(cpython=True)(test)

def impl_detail(msg=None, **guards):
    if check_impl_detail(**guards):
        return _id
    if msg is None:
        guardnames, default = _parse_guards(guards)
        if default:
            msg = "implementation detail not available on {0}"
        else:
            msg = "implementation detail specific to {0}"
        guardnames = sorted(guardnames.keys())
        msg = msg.format(' or '.join(guardnames))
    return unittest.skip(msg)

def _parse_guards(guards):
    # Returns a tuple ({platform_name: run_me}, default_value)