[matplotlib-devel] debian

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

>>>>> "Jeremy" == Jeremy O'Donoghue <je...@o-...> writes:

    Jeremy> I'm not concerned by moving targets - the changes to date
    Jeremy> have been sensible both in improving functionality and
    Jeremy> rationalising the backend design.

Good to hear -- I think the code is becoming much cleaner.  Even I
understand the way _matlab_helpers and Gcf works now!

    Jeremy> I may need to think about font size scaling separately -
    Jeremy> currently I just define the font point size, which
    Jeremy> probably is not what I should be doing.  I may not have
    Jeremy> time to do this today, but will try to think about it in
    Jeremy> airport lounges ;-)

You probably will.  Font size needs to scale with DPI, otherwise when
you go to a high res output the fonts look really tiny.  I use
something like

    scale = self.dpi.get()/72.0
    self._font.set_size(scale*self._fontsize)

which as I indicated above is not perfect but gets close.

    Jeremy> By the way, I noticed on the users list that people are
    Jeremy> asking for Debian packages. I'm quite happy to do one, but
    Jeremy> would rather wait until things have calmed down - I'll
    Jeremy> target the 4.0 release for a .deb on the Sourceforge site.

I hope you mean 0.4 <wink>.  By 4.0 we'll have already acquired The
MathWorks.

    Jeremy> We'll have to think about how the Debian package
    Jeremy> dependencies are worked out. My inclination is that we
    Jeremy> should require appropriate support for at least one
    Jeremy> backend, and suggest the others. Something like:

Required packages:    python2.3-numeric, python2.3-numeric-ext, fonttools
                      python2.3-gtk | libgd2-dev | libwxpython
Recommended packages: python2.3-gtk, libgd2-dev, libwxpython

Yes, I've been wondering about this but don't know enough about debian
to know how optional packages are handled.  Note that neither gtk, gd,
or wx are required if all you want is PS (or Template!) output.  For
the record, I'll list the dependencies by backend below.  Since I am
not a debian whiz, I'll just list the actual dependencies and leave it
to the experts to sort out the debian packages that provide them

matplotlib

  Numeric

  PS backend
    (nothing extra)

  GTK backend
     GTK2
     pygtk-1.99.16 or later

  GD backend: 
    gd-2.0.15          
    gdmodule-0.42
    fonttools-2.0b1
    TTFQuery-0.2.6

  WX backend:
    wxPython-2.4.2.4

    Jeremy> Debian practice would normally provide separate packages
    Jeremy> matplotlib-doc and matplotlib-examples, so I'll try to
    Jeremy> arrange that.

    Jeremy> However, I don't really want to get into doing this until
    Jeremy> we are ready to make the next release. Debian packaging
    Jeremy> isn't especially hard, but it is rather tedious...

OK, but since we're shooting for release date of around 3 weeks from
now, it might be good to lay the groundwork, figure out how to handle
the optional dependencies, see if we can get gdmodule packed, etc....

Thanks!
John Hunter