import os
from subprocess import check_call
def post_save(model, os_path, contents_manager):
"""post-save hook for converting notebooks to .py and .html files."""
if model['type'] != 'notebook':
return # only do this for notebooks
d, fname = os.path.split(os_path)
check_call(['ipython', 'nbconvert', '--to', 'script', fname], cwd=d)
check_call(['ipython', 'nbconvert', '--to', 'html', fname], cwd=d)
c.FileContentsManager.post_save_hook = post_save