def multi(request):
if request.method != 'GET':
return HttpResponseNotAllowed(['GET'])
# prevent loops
if request.META.get('HTTP_INTERNAL') == '1':
return HttpResponseBadRequest('Can\'t make internal requests to the multi resource.\n')
# headers to pass along
headers_meta = dict()
for k, v in request.META.iteritems():
if k not in ('HTTP_INTERNAL', 'HTTP_WAIT'):
headers_meta[k] = v
uri_headers = dict()
for i in request.META.get('HTTP_URI').split(','):
try:
uri, params = parse_header_params(i)
except:
return HttpResponseBadRequest('Failed to parse Uri header.\n')
try:
uri = canonical_uri(uri)
except:
return HttpResponseBadRequest('Invalid Uri value.\n')
uri_headers[uri] = params
info = list()
results = dict()
for uri, params in uri_headers.iteritems():
meta = deepcopy(headers_meta)
for k, v in params.iteritems():
meta['HTTP_' + k.upper()] = v
resp = internal_request(uri, meta)
ri = get_resourceinfo(resp, uri)
if ri and ri.empty:
info.append(ri)
continue
resp_headers = dict()
for k, v in resp.items():
resp_headers[k] = v
try:
resp_body = json.loads(resp.content)
except:
return HttpResponseBadRequest('One or more resources produces non-JSON content.\n')
result = dict()
result['code'] = resp.status_code
result['headers'] = resp_headers
result['body'] = resp_body
results[uri] = result
resp = HttpResponse(json.dumps(results), content_type='application/json')
# to help out the middleware, provide list of ResourceInfo if the response would be empty
resp.multi_info = info if len(results) == 0 else []
return resp
