import cjson


INDENT  = 4
OUTDENT = 24

def prettyPrint (jsonstr):
	return serializePretty (cjson.decode(jsonstr), 0)

def serializePretty (obj, lvl):
	outstr = ""
	thingkind = type(obj)
	
	if thingkind == dict:
		lvl += 1
		outstr += '{\n'
		for key, val in obj.items():
			outstr += '%s"%s":%s%s,\n' % ((' '*4*lvl), key, (' '*(OUTDENT-len(key)-3)), serializePretty (val, lvl))
		lvl -= 1
		outstr += '%s}' % (' '*4*lvl)
	elif thingkind == list:
		lvl += 1
		outstr += '[\n'
		for val in obj:
			outstr += '%s%s,\n' % ((' '*4*lvl), serializePretty (val, lvl))
		lvl -= 1
		outstr += '%s]' % (' '*4*lvl)
	else:
		outstr = repr(obj)
	
	return outstr
	
	
with open ("path/to/file", "r") as jsonfile:
prettyPrint (jsonfile.read())