The upload is done by the cgi.FieldStorage. It may store some additional metedata with it, like the original filename. Not sure.
On Wednesday, 6 June 2012 05:15:01 UTC-5, Charles Tang wrote: > > I am uploading a video from using web2py SQLFORM and want to process it > while it is uploading. I find that even the video is completely uploaded > the temporary file of the video in the /tmp directory is larger than the > original video.Why?Does the python tempfile module add some bytes to > it?Many thanks! >

