def pytype_to_deps(t):
    """ python -> pythonic type header full path. """
    res = set()
    for hpp_dep in pytype_to_deps_hpp(t):
        res.add(os.path.join('pythonic', 'types', hpp_dep))
        res.add(os.path.join('pythonic', 'include', 'types', hpp_dep))
    return res
python -> pythonic type header full path.