On Thursday, 8 March 2012 23:40:13 UTC, Tobiah wrote: > > I have to assume you're talking python 2, since in python 3, strings > > cannot generally contain image data. In python 2, characters are pretty > > much interchangeable with bytes. > > Yeah, python 2 > > > > if you're looking for a specific, small list of file formats, you could > > make yourself a signature list. Most (not all) formats distinguish > > themselves in the first few bytes. > > Yeah, maybe I'll just do that. I'm alowing users to paste > images into a rich-text editor, so I'm pretty much looking > at .png, .gif, or .jpg. Those should be pretty easy to > distinguish by looking at the first few bytes. > > Pasting images may sound weird, but I'm using a jquery > widget called cleditor that takes image data from the > clipboard and replaces it with inline base64 data. > The html from the editor ends up as an email, and the > inline images cause the emails to be tossed in the > spam folder for most people. So I'm parsing the > emails, storing the image data, and replacing the > inline images with an img tag that points to a > web2py app that takes arguments that tell it which > image to pull from the database. > > Now that I think of it, I could use php to detect the > image type, and store that in the database. Not quite > as clean, but that would work. > > Tobiah
Something like the following might be worth a go: (untested) from PIL import Image img = Image.open(StringIO(blob)) print img.format HTH Jon. PIL: http://www.pythonware.com/library/pil/handbook/image.htm -- http://mail.python.org/mailman/listinfo/python-list