notebook2blogpost

notebook2blogpost.py

#!python


import shutil
import os
import sys
import subprocess
from datetime import date
import re


def main(filepath):

    nbpath = os.path.dirname(filepath)
    nbfilename = os.path.basename(filepath)

    (base, ext) = os.path.splitext(nbfilename)

    today = date.today().isoformat()

    # change to notebook directory
    os.chdir(nbpath)

    # First export the file
    subprocess.run(['jupyter', 'nbconvert',
                    '--to', 'markdown',
                    '--template=path/to/template',
                    '--RegexRemovePreprocessor.patterns=\s*\Z',
                    '--TagRemovePreprocessor.enabled=True',
                    '--TagRemovePreprocessor.remove_cell_tags',
                    'remove_cell',
                    nbfilename])

    # now rename the export directory
    newfoldername = today + ' ' + base
    shutil.rmtree(newfoldername, ignore_errors=True)
    os.rename('export', newfoldername)

    # Next open the md file
    mdfilepath = os.path.join(newfoldername, base+'.md')

    # replace any contents needed
    with open(mdfilepath, 'r') as f:
        filedata = f.read()

    filedata = filedata.replace('[png](', '[code output]({attach}')
    #filedata = re.sub(r'\$\\displaystyle ((\n|.)*?)\$', r'$$\1$$', filedata)
    displaymath_regex = r"(?P<prefix>\$\\displaystyle\s+?)(?P<math>.+?)(?P<suffix>(?<!\s)\$)"
    filedata = re.sub(displaymath_regex, r"$$\2$$", filedata, flags=re.S)
    

    with open(mdfilepath, 'w') as file:
        file.write(filedata)

    # rename file with date
    newmdfilepath = os.path.join(newfoldername, today + ' ' + base+'.md')
    os.rename(mdfilepath, newmdfilepath)

    # remove any existing entries
    print(os.path.join(
        'path/to/staticsitegenerateor/content',
        newfoldername))


if __name__ == "__main__":
    filepath = sys.argv[1]
    main(filepath)