in scripts/extractdoc.py [0:0]
def _render(path, basedir=os.curdir, level=3):
if os.path.isfile(path):
yield renderf(path, basedir)
if os.path.isdir(path) and (level > 0):
for p in map(lambda f: os.path.join(path, f), sorted(os.listdir(path))):
for s in _render(p, basedir, level-1):
if s:
yield s