nb2py

#!/usr/bin/env python3
"""Create a notebook containing code from a script.

Run as:  python to_noteebook.py my_script.py
"""
import os
import argparse
import json


def convert(notebook_name):
    """ Convert the jupyter notebook to python script"""
    script_name = os.path.splitext(notebook_name)[0] + '.py'
    with open(notebook_name, 'r') as f_in:
        with open(script_name, 'w') as f_out:
            last_source = ''
            f_in = json.load(f_in)
            for cell in f_in['cells']:
                if last_source == 'code' and cell['cell_type'] == 'code':
                    f_out.write('#-------------------------------\n\n')
                for line in cell['source']:
                    if cell['cell_type'] == 'markdown':
                        line = '#| ' + line.lstrip()
                    line = line.rstrip() + '\n'
                    f_out.write(line)
                f_out.write('\n')
                last_source = cell['cell_type']


def parse_args():
    """Argument parsing for py2nb"""
    description = "Convert a python script to a jupyter notebook"
    parser = argparse.ArgumentParser(description=description)
    parser.add_argument("notebook_name", help="name of notebok (.ipynb) to convert to script (.py)")
    return parser.parse_args() 


def main():
    args = parse_args()
    convert(args.notebook_name)


if __name__ == '__main__':
    main()