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Code Issues 32 Releases Wiki Activity

Fixed #24937 -- fix serialization of Date(Time)RangeField.

Browse Source 
Use the DjangoJSONEncoder so that datetime and date are encoded
appropriately.
This commit is contained in:
Matthew Somerville 2015-06-05 21:56:00 +01:00
parent 0a89915783
commit 2926559cce
3 changed files with 22 additions and 6 deletions
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3
django/contrib/postgres/fields/ranges.py
View File

@ -3,6 +3,7 @@ import json
from psycopg2.extras import DateRange, DateTimeTZRange, NumericRange, Range from psycopg2.extras import DateRange, DateTimeTZRange, NumericRange, Range
from django.contrib.postgres import forms, lookups from django.contrib.postgres import forms, lookups
from django.core.serializers.json import DjangoJSONEncoder
from django.db import models from django.db import models
from django.utils import six from django.utils import six
@ -41,7 +42,7 @@ class RangeField(models.Field):
"lower": value.lower, "lower": value.lower,
"upper": value.upper, "upper": value.upper,
"bounds": value._bounds, "bounds": value._bounds,
}) }, cls=DjangoJSONEncoder)
def formfield(self, **kwargs): def formfield(self, **kwargs):
kwargs.setdefault('form_class', self.form_field) kwargs.setdefault('form_class', self.form_field)

4
docs/releases/1.9.txt
View File

@ -102,6 +102,10 @@ Minor features
* Added :class:`~django.contrib.postgres.fields.JSONField`. * Added :class:`~django.contrib.postgres.fields.JSONField`.
* Added :doc:`/ref/contrib/postgres/aggregates`. * Added :doc:`/ref/contrib/postgres/aggregates`.
* Fixed serialization of
:class:`~django.contrib.postgres.fields.DateRangeField` and
:class:`~django.contrib.postgres.fields.DateTimeRangeField`.
:mod:`django.contrib.redirects` :mod:`django.contrib.redirects`
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

21
tests/postgres_tests/test_ranges.py
View File

@ -293,24 +293,35 @@ class TestSerialization(TestCase):
test_data = ( test_data = (
'[{"fields": {"ints": "{\\"upper\\": 10, \\"lower\\": 0, ' '[{"fields": {"ints": "{\\"upper\\": 10, \\"lower\\": 0, '
'\\"bounds\\": \\"[)\\"}", "floats": "{\\"empty\\": true}", ' '\\"bounds\\": \\"[)\\"}", "floats": "{\\"empty\\": true}", '
'"bigints": null, "timestamps": null, "dates": null}, ' '"bigints": null, "timestamps": "{\\"upper\\": \\"2014-02-02T12:12:12\\", '
'\\"lower\\": \\"2014-01-01T00:00:00\\", \\"bounds\\": \\"[)\\"}", '
'"dates": "{\\"upper\\": \\"2014-02-02\\", \\"lower\\": \\"2014-01-01\\", \\"bounds\\": \\"[)\\"}" }, '
'"model": "postgres_tests.rangesmodel", "pk": null}]' '"model": "postgres_tests.rangesmodel", "pk": null}]'
) )
lower_date = datetime.date(2014, 1, 1)
upper_date = datetime.date(2014, 2, 2)
lower_dt = datetime.datetime(2014, 1, 1, 0, 0, 0)
upper_dt = datetime.datetime(2014, 2, 2, 12, 12, 12)
def test_dumping(self): def test_dumping(self):
instance = RangesModel(ints=NumericRange(0, 10), floats=NumericRange(empty=True)) instance = RangesModel(ints=NumericRange(0, 10), floats=NumericRange(empty=True),
timestamps=DateTimeTZRange(self.lower_dt, self.upper_dt),
dates=DateRange(self.lower_date, self.upper_date))
data = serializers.serialize('json', [instance]) data = serializers.serialize('json', [instance])
dumped = json.loads(data) dumped = json.loads(data)
dumped[0]['fields']['ints'] = json.loads(dumped[0]['fields']['ints']) for field in ('ints', 'dates', 'timestamps'):
dumped[0]['fields'][field] = json.loads(dumped[0]['fields'][field])
check = json.loads(self.test_data) check = json.loads(self.test_data)
check[0]['fields']['ints'] = json.loads(check[0]['fields']['ints']) for field in ('ints', 'dates', 'timestamps'):
check[0]['fields'][field] = json.loads(check[0]['fields'][field])
self.assertEqual(dumped, check) self.assertEqual(dumped, check)
def test_loading(self): def test_loading(self):
instance = list(serializers.deserialize('json', self.test_data))[0].object instance = list(serializers.deserialize('json', self.test_data))[0].object
self.assertEqual(instance.ints, NumericRange(0, 10)) self.assertEqual(instance.ints, NumericRange(0, 10))
self.assertEqual(instance.floats, NumericRange(empty=True)) self.assertEqual(instance.floats, NumericRange(empty=True))
self.assertEqual(instance.dates, None) self.assertEqual(instance.bigints, None)
class TestValidators(PostgreSQLTestCase): class TestValidators(PostgreSQLTestCase):