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Update existing vary headers in response instead of overwriting them.

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Previously, any existing vary headers would simply be wiped out by DRF. Using patch_vary_headers assures that existing headers remain.
This commit is contained in:
Robert Kirberich 2017-04-04 13:57:19 +01:00
parent 5e6b233977
commit 9ebd5a29e4
1 changed files with 6 additions and 0 deletions
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6
rest_framework/views.py
View File

@ -9,6 +9,7 @@ from django.db import models
from django.http import Http404 from django.http import Http404
from django.http.response import HttpResponseBase from django.http.response import HttpResponseBase
from django.utils import six from django.utils import six
from django.utils.cache import cc_delim_re, patch_vary_headers
from django.utils.encoding import smart_text from django.utils.encoding import smart_text
from django.utils.translation import ugettext_lazy as _ from django.utils.translation import ugettext_lazy as _
from django.views.decorators.csrf import csrf_exempt from django.views.decorators.csrf import csrf_exempt
@ -414,6 +415,11 @@ class APIView(View):
response.accepted_media_type = request.accepted_media_type response.accepted_media_type = request.accepted_media_type
response.renderer_context = self.get_renderer_context() response.renderer_context = self.get_renderer_context()
# Add new vary headers to the response instead of overwriting.
vary_headers = self.headers.pop('Vary', None)
if vary_headers is not None:
patch_vary_headers(response, cc_delim_re.split(vary_headers))
for key, value in self.headers.items(): for key, value in self.headers.items():
response[key] = value response[key] = value