On Monday, December 17, 2012 8:40:18 AM UTC-8, Greg Minshall wrote:
>
> Ivan,
>
> yes, downloading and installing the two patches for trac_11795 and then
> configuring appropriately seems to work for DVI, PDF, and PNG. (in case it
> isn't obvious, i'm a sage newbie, so i'm not sure how to get sage to
> display an html file, assuming the 'browser' entry is supposed to display
> html.)
>
sage: tutorial()
should open up the tutorial in a browser, and it should use the settings in
the patch for #11795.
>
> a couple of comments about the patch (to the extent i understand it):
>
> 1. to override the default, i seem to need to define a function, and
> assign that function to, e.g., sage.misc.viewer.dvi_viewer. nicer (?)
> might be to set some variable to '/sw/bin/xdvi'.
>
You shouldn't need to *define* a function, just *import* it. I don't think
these functions will be used frequently enough to have the function
imported automatically for all users, so you need to do
from sage.misc.viewer import viewer
viewer.dvi_viewer('/sw/bin/xdvi')
viewer.browser('open -a /Applications/Firefox.app')
(etc.)
You can put these lines in a file "/home/username/.sage/init.sage" and they
will be run every time you start Sage.
Running "viewer.browser(...)" (and the other similar functions) does in
fact set an appropriate variable, and calling a function to set a parameter
fits into Sage's way of doing things better than setting a variable, I
think. But if you really want to, you can do
sage.misc.viewer._viewer_prefs['dvi_viewer'] = '/sw/bin/xdvi'
--
John
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