mirror of
https://github.com/encode/django-rest-framework.git
synced 2024-11-25 19:14:01 +03:00
Make ReturnDict support dict union operators on Python 3.9 and later (#8302)
Fixes issue #8301
This commit is contained in:
parent
45082b3936
commit
bce9df9b5e
|
@ -1,3 +1,4 @@
|
|||
import sys
|
||||
from collections import OrderedDict
|
||||
from collections.abc import Mapping, MutableMapping
|
||||
|
||||
|
@ -28,6 +29,22 @@ class ReturnDict(OrderedDict):
|
|||
# but preserve the raw data.
|
||||
return (dict, (dict(self),))
|
||||
|
||||
if sys.version_info >= (3, 9):
|
||||
# These are basically copied from OrderedDict, with `serializer` added.
|
||||
def __or__(self, other):
|
||||
if not isinstance(other, dict):
|
||||
return NotImplemented
|
||||
new = self.__class__(self, serializer=self.serializer)
|
||||
new.update(other)
|
||||
return new
|
||||
|
||||
def __ror__(self, other):
|
||||
if not isinstance(other, dict):
|
||||
return NotImplemented
|
||||
new = self.__class__(other, serializer=self.serializer)
|
||||
new.update(self)
|
||||
return new
|
||||
|
||||
|
||||
class ReturnList(list):
|
||||
"""
|
||||
|
|
|
@ -740,3 +740,25 @@ class TestDeclaredFieldInheritance:
|
|||
'f4': serializers.CharField,
|
||||
'f5': serializers.CharField,
|
||||
}
|
||||
|
||||
|
||||
class Test8301Regression:
|
||||
@pytest.mark.skipif(
|
||||
sys.version_info < (3, 9),
|
||||
reason="dictionary union operator requires Python 3.9 or higher",
|
||||
)
|
||||
def test_ReturnDict_merging(self):
|
||||
# Serializer.data returns ReturnDict, this is essentially a test for that.
|
||||
|
||||
class TestSerializer(serializers.Serializer):
|
||||
char = serializers.CharField()
|
||||
|
||||
s = TestSerializer(data={'char': 'x'})
|
||||
assert s.is_valid()
|
||||
assert s.data | {} == {'char': 'x'}
|
||||
assert s.data | {'other': 'y'} == {'char': 'x', 'other': 'y'}
|
||||
assert {} | s.data == {'char': 'x'}
|
||||
assert {'other': 'y'} | s.data == {'char': 'x', 'other': 'y'}
|
||||
|
||||
assert (s.data | {}).__class__ == s.data.__class__
|
||||
assert ({} | s.data).__class__ == s.data.__class__
|
||||
|
|
Loading…
Reference in New Issue
Block a user