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Merge pull request #2690 from delinhabit/hyperlinked-relation-callable-source

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Support source='some_method' for HyperlinkedRelatedField.
This commit is contained in:
Tom Christie 2015-07-27 16:19:48 +01:00
commit 6e3ba202af
1 changed files with 9 additions and 2 deletions
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11
rest_framework/relations.py
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@ -13,7 +13,9 @@ from django.utils.six.moves.urllib import parse as urlparse
from django.utils.translation import ugettext_lazy as _
from rest_framework.compat import OrderedDict
from rest_framework.fields import Field, empty, get_attribute
from rest_framework.fields import (
Field, empty, get_attribute, is_simple_callable
)
from rest_framework.reverse import reverse
from rest_framework.utils import html
@ -106,7 +108,12 @@ class RelatedField(Field):
# Optimized case, return a mock object only containing the pk attribute.
try:
instance = get_attribute(instance, self.source_attrs[:-1])
return PKOnlyObject(pk=instance.serializable_value(self.source_attrs[-1]))
value = instance.serializable_value(self.source_attrs[-1])
if is_simple_callable(value):
# Handle edge case where the relationship `source` argument
# points to a `get_relationship()` method on the model
value = value().pk
return PKOnlyObject(pk=value)
except AttributeError:
pass