__run_all_jupyter_notebooks.py

import sys
import nbformat
from nbconvert.preprocessors import ExecutePreprocessor
from nbconvert import HTMLExporter

def tohtml(input, output=None):
	if output is None:
		output = input + ".html"

	print("Converting %s --> %s" % (input, output))
	ep = ExecutePreprocessor(timeout=600, kernel_name='python3')

	with open(input) as f:
		nb = nbformat.read(f, as_version=4)
		
	ep.preprocess(nb, {'metadata': {'path': './'}})

	#filename_output = input + ".executed.ipynb"
	#with open(filename_output, 'wt') as f:
	#    nbformat.write(nb, f)

	exportHTML = HTMLExporter()
	(body, resources) = exportHTML.from_notebook_node(nb)

	with open(output, 'wt') as f:
		f.write(body)
	
	print("Done")
	

tohtml("main.ipynb")