encode/django-rest-framework
1
1
Fork 0
mirror of https://github.com/encode/django-rest-framework.git synced 2025-08-02 19:40:13 +03:00
Code Issues Packages Projects Releases Wiki Activity

Add many_to_native method

Browse Source 
Allows serializers to be easily customized when many=True rather than
always returning a list of objects.
This commit is contained in:
Chris Conley 2013-10-23 14:26:22 -04:00
parent f92d8bd972
commit 86d25ece15
2 changed files with 11 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
rest_framework/relations.py
View File

@ -125,6 +125,9 @@ class RelatedField(WritableField):
### Regular serializer stuff... ### Regular serializer stuff...
def many_to_native(self, objects):
return [self.to_native(item) for item in objects]
def field_to_native(self, obj, field_name): def field_to_native(self, obj, field_name):
try: try:
if self.source == '*': if self.source == '*':
@ -145,11 +148,11 @@ class RelatedField(WritableField):
if self.many: if self.many:
if is_simple_callable(getattr(value, 'all', None)): if is_simple_callable(getattr(value, 'all', None)):
return [self.to_native(item) for item in value.all()] return self.many_to_native(value.all())
else: else:
# Also support non-queryset iterables. # Also support non-queryset iterables.
# This allows us to also support plain lists of related items. # This allows us to also support plain lists of related items.
return [self.to_native(item) for item in value] return self.many_to_native(value)
return self.to_native(value) return self.to_native(value)
def field_from_native(self, data, files, field_name, into): def field_from_native(self, data, files, field_name, into):

9
rest_framework/serializers.py
View File

@ -326,6 +326,9 @@ class BaseSerializer(WritableField):
return ret return ret
def many_to_native(self, objects):
return [self.to_native(item) for item in objects]
def from_native(self, data, files): def from_native(self, data, files):
""" """
Deserialize primitives -> objects. Deserialize primitives -> objects.
@ -372,7 +375,7 @@ class BaseSerializer(WritableField):
return None return None
if is_simple_callable(getattr(value, 'all', None)): if is_simple_callable(getattr(value, 'all', None)):
return [self.to_native(item) for item in value.all()] return self.many_to_native(value.all())
if value is None: if value is None:
return None return None
@ -383,7 +386,7 @@ class BaseSerializer(WritableField):
many = hasattr(value, '__iter__') and not isinstance(value, (Page, dict, six.text_type)) many = hasattr(value, '__iter__') and not isinstance(value, (Page, dict, six.text_type))
if many: if many:
return [self.to_native(item) for item in value] return self.many_to_native(value)
return self.to_native(value) return self.to_native(value)
def field_from_native(self, data, files, field_name, into): def field_from_native(self, data, files, field_name, into):
@ -527,7 +530,7 @@ class BaseSerializer(WritableField):
DeprecationWarning, stacklevel=2) DeprecationWarning, stacklevel=2)
if many: if many:
self._data = [self.to_native(item) for item in obj] self._data = self.many_to_native(obj)
else: else:
self._data = self.to_native(obj) self._data = self.to_native(obj)