pydot

REF:pydot

Requires:

• pyparsing in order to load DOT files.
• Graphviz to render the graphs.

#apt-get install python-pyparsing
#apt-get install python-pydot

example:
import pydot
edges=[(1,2), (1,3), (1,4), (3,4)]
g=pydot.graph_from_edges(edges)
g.write_jpeg('graph_from_edges_dot.jpg', prog='dot')