38 lines
966 B
Python
38 lines
966 B
Python
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# essai pydot (bug ?)
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# EV, sept 2011
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import pydot
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print 'pydot version:', pydot.__version__
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g = pydot.Dot('graphname')
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g.add_node(pydot.Node('a'))
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g.add_node(pydot.Node('b'))
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n = g.get_node('a')
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print n
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print 'nodes names = %s' % [ x.get_name() for x in g.get_node_list() ]
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edges = [ ('a','b'), ('b','c'), ('c','d') ]
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g = pydot.graph_from_edges(edges)
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print 'nodes names = %s' % [ x.get_name() for x in g.get_node_list() ]
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if not len(g.get_node_list()):
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print 'bug: empty node list !' # incompatibility versions python / pydot
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# Les fleches ?
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for (src_id, dst_id) in edges:
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e = g.get_edge(src_id, dst_id)
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e.set('arrowhead', 'normal')
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e.set( 'arrowsize', 2 )
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e.set_label( str( (src_id, dst_id) ) )
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e.set_fontname('Helvetica')
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e.set_fontsize(8.0)
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g.write_jpeg('/tmp/graph_from_edges_dot.jpg', prog='dot') # ok sur ScoDoc / Debian 5, pas de fleches en Debian 6
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# cf https://www-lipn.univ-paris13.fr/projects/scodoc/ticket/190
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