Image to browser

[danielatdaveschool at gmail.com]

On Jan 16, 12:38 am, Justin Ezequiel <justin.mailingli... at gmail.com>
wrote:
> On Jan 16, 1:19 pm, danielatdavesch... at gmail.com wrote:
>
>
>
> > On Jan 16, 12:16 am, danielatdavesch... at gmail.com wrote:
>
> > > Im using mod_python and apache2 using psp for output of page, i open a
> > > file and resize it with the following code
>
> > > <%
> > > import Image, util
>
> > > fields = util.FieldStorage(req)
> > > filename = fields.getlist('src')[0]
>
> > > path = '/var/www/content/' + filename
> > > size = 128, 128
>
> > > im = Image.open(path)
> > > print im.resize(size, Image.ANTIALIAS)
> > > %>
>
> > > so for one, I dont think print does much with psp as far as i can
> > > tell, i cant even do a print 'hello world', it has to be a
> > > req.write('hello world'), but i cant req.write the im.resize. The
> > > manual for im.resize states that its return can go ahead and be
> > > streamed via http but I get a blank page when im expecting to see
> > > image characters dumped to my screen. Python doesn't throw up any
> > > errors. Im not sure where else to look or what to do.
>
> > > Thanks for any help,
> > > Daniel
>
> > its worth noting that ive tried using
> > print "Content-Type: image/jpeg\n"
> > before the print im.resize and still no luck
>
> If you're using the Image module from PIL then im.resize(...) returns
> an Image instance.
> I have not used mod_python and psp, but try the following:
>
> >>> import Image
> >>> i = Image.open('server.JPG')
> >>> r = i.resize((32,32))
> >>> from StringIO import StringIO
> >>> b = StringIO()
> >>> r.save(b, 'JPEG')
> >>> b.seek(0)
> >>> req.write("Content-Type: image/jpeg\r\n\r\n")
> >>> req.write(b.read())
>
> There's a r.tostring(...) method but I don't see how to make that
> return a JPEG stream.

brilliant, at least to me anyway, it works as long as i remove the
req.write("content-type...

now i have a lot to look up, i tried something similar to this before
that i found on the web but no luck. i guess whats going on is it gets
saved to this pseudo file thats just a string existing in memory, and
then the pointer gets set to the begining of the string for the
upcoming read() ? i dunno, but something else to learn about. I must
admit i was hoping for something a little more elegant.

Thanks for your help!