def preview(self, request, pk):
obj = self.get_object()
from damn_at.utilities import find_asset_id_in_file_descr
file_descr = obj.file.description
asset_id = find_asset_id_in_file_descr(file_descr, obj.subname, obj.mimetype)
paths = transcode(file_descr, asset_id)
print paths
fsock = open(os.path.join('/tmp/damn/transcoded/', paths['256x256'][0]), 'rb')
return StreamingHttpResponse(fsock, content_type='image/png')
def preview(self, request, parent_lookup_asset, pk):
version = self.get_queryset().get(pk=pk)
from damn_at.utilities import find_asset_id_in_file_descr
asset = version.object_version.object
#Why doesn't it restore the related fields?
#file = asset.file
#file_descr = file.description
# Begin work-around
file_version = version.revision.version_set.exclude(pk=version.pk).all()[0]
file = file_version.object_version.object
file_descr = file.description
# End work-around
file_descr.file.filename = os.path.join('/tmp/damn/files', file.hash)
asset_id = find_asset_id_in_file_descr(file_descr, asset.subname, asset.mimetype)
paths = transcode(file_descr, asset_id)
fsock = open(os.path.join('/tmp/damn/transcoded/', paths['256x256'][0]), 'rb')
return StreamingHttpResponse(fsock, content_type='image/png')
