in src/agents/extensions/visualization.py [0:0]
def get_all_nodes(agent: Agent, parent: Optional[Agent] = None) -> str:
"""
Recursively generates the nodes for the given agent and its handoffs in DOT format.
Args:
agent (Agent): The agent for which the nodes are to be generated.
Returns:
str: The DOT format string representing the nodes.
"""
parts = []
# Start and end the graph
parts.append(
'"__start__" [label="__start__", shape=ellipse, style=filled, '
"fillcolor=lightblue, width=0.5, height=0.3];"
'"__end__" [label="__end__", shape=ellipse, style=filled, '
"fillcolor=lightblue, width=0.5, height=0.3];"
)
# Ensure parent agent node is colored
if not parent:
parts.append(
f'"{agent.name}" [label="{agent.name}", shape=box, style=filled, '
"fillcolor=lightyellow, width=1.5, height=0.8];"
)
for tool in agent.tools:
parts.append(
f'"{tool.name}" [label="{tool.name}", shape=ellipse, style=filled, '
f"fillcolor=lightgreen, width=0.5, height=0.3];"
)
for handoff in agent.handoffs:
if isinstance(handoff, Handoff):
parts.append(
f'"{handoff.agent_name}" [label="{handoff.agent_name}", '
f"shape=box, style=filled, style=rounded, "
f"fillcolor=lightyellow, width=1.5, height=0.8];"
)
if isinstance(handoff, Agent):
parts.append(
f'"{handoff.name}" [label="{handoff.name}", '
f"shape=box, style=filled, style=rounded, "
f"fillcolor=lightyellow, width=1.5, height=0.8];"
)
parts.append(get_all_nodes(handoff))
return "".join(parts)