import pickle
import nbformat

with open('/code/webpanel_ntbk.ipynb', 'r') as f:
    notebook = nbformat.read(f, nbformat.NO_CONVERT);

with open('/code/notebook.pkl', 'wb') as f:
    pickle.dump(notebook, f)

with open('/code/notebook.pkl', 'rb') as f:
    notebook = pickle.load(f);

code_cells = [cell['source'] for cell in notebook['cells'] if cell['cell_type'] == 'code']
python_code = '\n'.join(code_cells)

with open('/code/webpanel_ntbk.py', 'w') as fw:
    fw.write(python_code)

#with open('/code/webpanel_ntbk.py', 'w') as fw:
#    fw.write(repr(app))