Filters out only one appID from parse exported json

filter_app_id.py

#!/usr/bin/python
#usage:
# python filter_app_id.py source.json destination.json com.application.identifier

import sys, json

inputfile = sys.argv[1]
outputfile = sys.argv[2]

appID = sys.argv[3]
   
input_json = open(inputfile, "r").read()

# Transform json input to python objects
in_results = json.loads(input_json)

input_dict = in_results["results"]

# Filter python objects with list comprehensions
output_dict = [x for x in input_dict if (x["deviceType"] == "ios") and (x["appIdentifier"] == appID)]

output_results = { "results" : output_dict }

# Transform python object back into json
output_json = json.dumps(output_results)

# Show json
#print output_json

text_file = open(outputfile, "w")

text_file.write(output_json)

text_file.close()