Re: [Matplotlib-users] Saving a figure to StringIO or similar

[John H. <jdh...@ac...>]

>>>>> "Sascha" == Sascha  <sas...@gm...> writes:

    Sascha> I am writing a web server app that creates charts among
    Sascha> other things. I am trying to get rid of the temporary file
    Sascha> that I use to transmit the figures created with matplotlib
    Sascha> to the actual web server. Although print_figure says "If
    Sascha> filename is a fileobject, write png to file object (thus
    Sascha> you can, for example, write the png to stdout)" I can't
    Sascha> successfully write anything to stdout. Anyone knows an
    Sascha> example or can give me some hint what I can do to get rid
    Sascha> of the tempfile?

Short answer: no known way to do this currently, though we'd like to
figure it out.  As far as I know (and could very well be wrong)
libpng requires a FILE*, which StringIO and cStringIO do not provide.

JDH