#16270: Ipython notebook
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   Reporter:  elixyre   |            Owner:
       Type:  task      |           Status:  new
   Priority:  major     |        Milestone:  sage-6.2
  Component:  notebook  |         Keywords:  ipython, latex, display
  Merged in:            |          Authors:  Jean-Baptiste Priez
  Reviewers:            |  Report Upstream:  N/A
Work issues:            |           Branch:
     Commit:            |     Dependencies:
   Stopgaps:            |
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 The ipython notebook is a very pleasant tool.
 I would like to use sage notebook methods to produce image in the ipython
 notebook?

 In particular, I would like to know how the sage notebook do that.

 At the end, I would like to use the ipython tools which try to find a
 *_repr_foo_* method.
 {{{
 from IPython.display import Image

 class myObject(SageObject):

     def _repr_png_(self):
         f = produce_a_file_with_the_sage_notebook_tools(self, ...)
         return Image(f).data
 }}}

 I made some tests:

 {{{
 from IPython.display import Image
 file = "/Users/elix/img.png"
 def _repr_png_(self):
     latex.eval(latex(self), locals(), filename=file)
     return Image(filename=file, format='png').data

 BinaryTree._repr_png_ = _repr_png_

 BinaryTree([[],[[],[]]])
 }}}
 that produces

 [[Image(http://kerios.fr/downloads/trac/imgbt.png)]]

 but
 {{{
 e = (1 - sqrt(1 - 4*x)) / (2*x)
 latex.eval(latex(e), locals(), filename=file)
 }}}
 will produce an error... so that is not the good way...

--
Ticket URL: <http://trac.sagemath.org/ticket/16270>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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