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modify _writable_fields in serializers.py

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Sometimes 'self' instance is not a field (used in rest_framework)
If the 'serializer' that contains 'field' is 'self', only the subelements of
the serializer, the 'fields', are returned.
in the case of a serializer that contains 'field' as a 'child' element,
Only instances of `.source` ending with` _set '(following relationships
"backward") are found using regular expressions.
Then use the child elements again to find the field using '_writable_fields'.

Do not modify '_readable_fields' because it does not address the issue of what
is currently being viewed.
This commit is contained in:
sol HYUN 2016-12-05 18:02:09 +09:00
parent 238783f2ed
commit 5e7497bfe0
1 changed files with 9 additions and 4 deletions
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13
rest_framework/serializers.py
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@ -362,10 +362,15 @@ class Serializer(BaseSerializer):
@cached_property
def _writable_fields(self):
return [
field for field in self.fields.values()
if (not field.read_only) or (field.default is not empty)
]
ret = []
for field in self.fields.values():
if re.compile("\_set$").findall(field.source):
for field in field.child._writable_fields:
ret.append(field)
continue
if (not field.read_only) or (field.default is not empty):
ret.append(field)
return ret
@cached_property
def _readable_fields(self):