/
mixins.py
52 lines (37 loc) · 1.59 KB
/
mixins.py
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from __future__ import absolute_import, print_function, unicode_literals
from .parsers import StrippingJSONParser
class MultipleSerializersViewMixin(object):
def get_serializer(self, *args, **kwargs):
serializer_class = kwargs.pop('serializer_class', None)
if serializer_class is None:
serializer_class = self.get_serializer_class()
kwargs['context'] = self.get_serializer_context()
return serializer_class(*args, **kwargs)
class MapDataViewMixin(object):
# Configuration for data mapper.
# Leave None if you don't require mapping
data_mapper_class = None
def get_mapper_context(self):
return self.get_serializer_context()
def get_data(self, mapper_class=None):
"""
Get data for serialization.
"""
if not mapper_class:
mapper_class = self.data_mapper_class
if mapper_class is not None:
return mapper_class(context=self.get_mapper_context())(self.request.data)
return self.request.data
class StrippingJSONViewMixin(object):
parser_classes = (StrippingJSONParser,)
# Location of the root of the data for this api.
parser_root = None
def get_parser_context(self, http_request):
"""
Add 'parser_root' to this view's parser's parse_context.
Since this view uses a DescendingJSONParser, it uses
this information to decide what to pull out.
"""
context = super(StrippingJSONViewMixin, self).get_parser_context(http_request)
context.update({'parse_root': self.parser_root})
return context