python, gven et graphivz
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gvgen http://software.inl.fr/trac/wiki/GvGen

graphivz http://www.graphviz.org/

exemple d’utilisation

.. code-block:: python

    % python
    Python 2.4.4 (#2, Aug 16 2007, 00:34:54)
    [GCC 4.1.3 20070812 (prerelease) (Debian 4.1.2-15)] on linux2
    Type "help", "copyright", "credits" or "license" for more information.
    >>> from gvgen import *
    >>> graph = GvGen()
    >>> parents = graph.newItem("Parents")
    >>> father = graph.newItem("Bob", parents)
    >>> mother = graph.newItem("Alice", parents)
    >>> children = graph.newItem("Children")
    >>> child1 = graph.newItem("Carol", children)
    >>> child2 = graph.newItem("Eve", children)
    >>> child3 = graph.newItem("Isaac", children)
    >>>
    >>> graph.dot()

result:

.. figure:: data/20100811_3.png