This is my response code from GCM-python,
{"multicast_id":6343554431392278573,"success":5,"failure":15,"canonical_ids":0,"results":[{"message_id":"0:1380910865603840%356b
9054f9fd7ecd"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":
"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"message_id":"0:1380910865592683%356b9054f9fd7ecd"},{"erro
r":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"er
ror":"NotRegistered"},{"message_id":"0:1380910865600910%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"message_id":"0:1380910865
596592%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"message_id":"0:1380910865595499%356b9054f9fd7ecd"}]}
When i get this response, i want to collect all error keys from dictionary...but it seems like it is a string and i'll try dump in json using json.dumps() and then remove slashes but not working for me, not even ast working. I try this one python json dumps . What am i missing there? please help me in this.
If it is a string, load it, don't dump it:
#! /usr/bin/python3
import json
a = '''{"multicast_id":6343554431392278573,"success":5,"failure":15,"canonical_ids":0,"results":[{"message_id":"0:1380910865603840%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":
"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"message_id":"0:1380910865592683%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"message_id":"0:1380910865600910%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"message_id":"0:1380910865596592%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"message_id":"0:1380910865595499%356b9054f9fd7ecd"}]}'''
j = json.loads(a)
errors = [d for d in j ['results'] if 'error' in d]
print(errors)
As the data you receive is a valid Python data, you can simply use [ast.literal_eval][1]
Demo
import ast
data = '''{"multicast_id":6343554431392278573,"success":5,"failure":15,"canonical_ids":0,"results":[{"message_id":"0:1380910865603840%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":
"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"message_id":"0:1380910865592683%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"error":"NotRegistered"},{"message_id":"0:1380910865600910%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"message_id":"0:1380910865596592%356b9054f9fd7ecd"},{"error":"NotRegistered"},{"message_id":"0:1380910865595499%356b9054f9fd7ecd"}]}'''
>>> pp.pprint(ast.literal_eval(data))
{ 'canonical_ids': 0,
'failure': 15,
'multicast_id': 6343554431392278573L,
'results': [ { 'message_id': '0:1380910865603840%356b9054f9fd7ecd'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'message_id': '0:1380910865592683%356b9054f9fd7ecd'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'error': 'NotRegistered'},
{ 'message_id': '0:1380910865600910%356b9054f9fd7ecd'},
{ 'error': 'NotRegistered'},
{ 'message_id': '0:1380910865596592%356b9054f9fd7ecd'},
{ 'error': 'NotRegistered'},
{ 'message_id': '0:1380910865595499%356b9054f9fd7ecd'}],
'success': 5}
>>>
Followed by dumping the errors
>>> pp.pprint([elem['error'] for elem in ast.literal_eval(data)['results'] if 'error' in elem])
[ 'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered',
'NotRegistered']
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