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