def get_resource_content(request, source_name):
"""
Returns the actual resource.
Tries to guess the mimetype. If it fails, returns
application/octet-stream as fallback.
"""
import mimetypes
mimetypes.init()
resource_id = request.GET.get('resource_id', None)
if not resource_id:
raise Http404
try:
source = Source.objects.get(name=source_name)
except Source.DoesNotExist:
response_data = {'error': 'Source not found'}
else:
response_data = Backend(source.backend_id).get_resource_content(source, resource_id)
if 'content' in response_data.keys():
content = response_data['content']
mimetype, encoding = mimetypes.guess_type(response_data['name'])
if not mimetype:
mimetype = 'application/octet-stream'
else:
content = response_data
mimetype = "application/json"
return HttpResponse(content, mimetype=mimetype)
