On Jun 20, 1:52 am, Michael Ströder <[EMAIL PROTECTED]> wrote: > Matt Nordhoff wrote: > > Matt Nordhoff wrote: > >> You could use data: URIs [1]. > > >> For example, a 43-byte single pixel GIF becomes this URI: > > >> <data:image/gif;base64,R0lGODlhAQABAIAAAP%2F%2F%2F%2F%2F%2F%2FyH5BAEAAAEALAAAAAABAAEAAAICTAEAOw%3D%3D> > > >> They don't have universal browser support, but that might not be a > >> problem in this case. > > >> As for generating them with Python, I'm not sure... I just used Hixie's > >> data: URI kitchen [2] for the above example. > > >> [1] <http://tools.ietf.org/html/rfc2397> > >> [2] <http://software.hixie.ch/utilities/cgi/data/data> > > > Oh.. As <http://bitworking.org/news/Sparklines_in_data_URIs_in_Python> > > shows, the reason I couldn't find a data: URI Python library is because > > they're utterly trivial to generate: > > > import base64 > > import urllib > > > raw_data = create_gif() > > uri = 'data:image/gif;base64,' + urllib.quote(base64.b64encode(raw_data)) > > > (And it's even simpler if you leave out the base64-encoding.) > > The caveat with URL schema data: is that the amount of data to be > transferred is significantly higher than including HTML tag <img src=""> > in your HTML source and let the browser fetch the raw binary image data > in a separate HTTP request (you also have to serve from your web > application). > > Ciao, Michael.
This sounds like the way I want to go, it's just a matter of figuring it out. Is it just a matter of putting a function call in an img tag? I'll give the URI thing a try, too, -- http://mail.python.org/mailman/listinfo/python-list
