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Issue 5381: Add object_pairs_hook to the json module.

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This commit is contained in:
Raymond Hettinger 2009-03-19 19:19:03 +00:00
parent 2124599eaa
commit 91852ca673
7 changed files with 150 additions and 23 deletions
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16
Lib/json/tests/test_decode.py
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@ -2,6 +2,7 @@ import decimal
from unittest import TestCase
import json
from collections import OrderedDict
class TestDecode(TestCase):
def test_decimal(self):
@ -20,3 +21,18 @@ class TestDecode(TestCase):
# exercise the uncommon cases. The array cases are already covered.
rval = json.loads('{ "key" : "value" , "k":"v" }')
self.assertEquals(rval, {"key":"value", "k":"v"})
def test_object_pairs_hook(self):
s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}'
p = [("xkd", 1), ("kcw", 2), ("art", 3), ("hxm", 4),
("qrt", 5), ("pad", 6), ("hoy", 7)]
self.assertEqual(json.loads(s), eval(s))
self.assertEqual(json.loads(s, object_pairs_hook = lambda x: x), p)
od = json.loads(s, object_pairs_hook = OrderedDict)
self.assertEqual(od, OrderedDict(p))
self.assertEqual(type(od), OrderedDict)
# the object_pairs_hook takes priority over the object_hook
self.assertEqual(json.loads(s,
object_pairs_hook = OrderedDict,
object_hook = lambda x: None),
OrderedDict(p))