A command line for cleaning ipython notebook from the content of the output cells

clean_notebook.py

import sys

if len(sys.argv) < 2:
	print "Usage: %s <file-name>"%sys.argv[0]
	exit(0)
fname = sys.argv[1]

import json

lookup = {'outputs':[], 'execution_count':None}
def filter(d):
    if isinstance(d,dict):
        d = dict((k,lookup.get(k,filter(v))) for k,v in d.iteritems())
    elif isinstance(d,list):
        d = map(filter,d)
    return d

for fname in sys.argv[1:]:
    with open(fname,'r') as fp:
        d = json.load(fp)

    d = filter(d)

    with open(fname, 'w') as fp:
        json.dump(d, fp, sort_keys=True, indent=4, separators=(',', ': '))