Created
February 14, 2013 21:31
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Override the HTTP_ACCEPT header with _accept parameter in Django. Taken from Django Snippets: http://djangosnippets.org/snippets/1042/
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def parse_accept_header(accept): | |
"""Parse the Accept header *accept*, returning a list with pairs of | |
(media_type, q_value), ordered by q values. | |
""" | |
result = [] | |
for media_range in accept.split(","): | |
parts = media_range.split(";") | |
media_type = parts.pop(0) | |
media_params = [] | |
q = 1.0 | |
for part in parts: | |
(key, value) = part.lstrip().split("=", 1) | |
if key == "q": | |
q = float(value) | |
else: | |
media_params.append((key, value)) | |
result.append((media_type, tuple(media_params), q)) | |
result.sort(lambda x, y: -cmp(x[2], y[2])) | |
return result | |
class AcceptMiddleware(object): | |
def process_request(self, request): | |
if '_accept' in request.GET: | |
param = request.GET['_accept'].replace(' ', '+') | |
accept = parse_accept_header(param) | |
request.accept_header = param | |
else: | |
accept = parse_accept_header(request.META.get("HTTP_ACCEPT", "")) | |
request.accept_header = request.META.get('HTTP_ACCEPT', '') | |
request.accept = accept | |
request.accepted_types = map(lambda (t, p, q): t, accept) |
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