Simple TOC generator for IPython Notebooks

ipynb_toc

import json
with open('mynotebook.ipynb', 'r') as f:
    with open('contents.md', 'w') as out:
        nb = json.load(f)
        for cell in nb['worksheets'][0]['cells']:
            if cell['cell_type'] == 'heading':
                pad = (cell['level'] - 1) * 2
                link = cell['source'][0].replace(' ', '-')
                link = link.replace('(', '%28').replace(')', '%29')
                text = '- [%s](#%s)' % (cell['source'][0], link)
                line = '{{0: >{}}}'.format(pad + len(text)).format(text)
                out.write(line + '\n')