def generate_state_graph(agent_def):
assert type(agent_def) == AgentDefinition
graph = Graph()
agent_name = agent_def.name
for idx, st in enumerate(agent_def.klass.state_transitions):
st_from, tf, st_to = st
if type(st_to) == str: # basic state transition
s0 = "[%s] %s" % (agent_name, st_from)
s1 = "[%s] %s" % (agent_name, st_to)
tf_name = "%s.%s" % (agent_name, tf)
graph.add_edge(s0, s1, EDGE_ATTR["st_func"])
graph.set_edge_attribute(s0, s1, "label", tf_name)
graph.set_edge_attribute(s0, s1, "st_func", tf)
graph.set_node_attributes(s0, NODE_ATTR["state"])
graph.set_node_attributes(s1, NODE_ATTR["state"])
else:
assert type(st_to) in (list, tuple)
branch = tf
end_states = st_to
# connect state_from to branch
s0 = "[%s] %s" % (agent_name, st_from)
sb = "%s.%s" % (agent_name, branch)
graph.add_edge(s0, sb, EDGE_ATTR["branch_edge"])
graph.set_node_attributes(s0, NODE_ATTR["state"])
graph.set_node_attributes(sb, NODE_ATTR["branch"])
graph.set_node_attribute(sb, "st_func", branch)
# for each branching condition
for tf, st_to, condition in end_states:
# connect state_from to branch condition
sc = "[%s] %s" % (agent_name, condition)
graph.add_edge(sb, sc, EDGE_ATTR["branch_edge"])
graph.set_node_attributes(sc, NODE_ATTR["branch_cond"])
# connect branch condition to state_to
s1 = "[%s] %s" % (agent_name, st_to)
tf_name = "%s.%s" % (agent_name, tf)
graph.add_edge(sc, s1, EDGE_ATTR["st_func"])
graph.set_edge_attribute(sc, s1, "label", tf_name)
graph.set_edge_attribute(sc, s1, "st_func", tf)
graph.set_node_attributes(s1, NODE_ATTR["state"])
return graph
