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refactor: convert isinstance chains to match/case (part 8) (#36869)

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This commit is contained in:
Evan
2026-05-31 14:11:05 +00:00
committed by GitHub
parent 480d05bc48
commit c6474a2a8b
5 changed files with 86 additions and 83 deletions
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api/core/agent/cot_agent_runner.py
+32 -31
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@@ -397,39 +397,40 @@ class CotAgentRunner(BaseAgentRunner, ABC):
current_scratchpad: AgentScratchpadUnit | None = None
for message in self.history_prompt_messages:
if isinstance(message, AssistantPromptMessage):
if not current_scratchpad:
assert isinstance(message.content, str)
current_scratchpad = AgentScratchpadUnit(
agent_response=message.content,
thought=message.content or "I am thinking about how to help you",
action_str="",
action=None,
observation=None,
)
scratchpads.append(current_scratchpad)
if message.tool_calls:
try:
current_scratchpad.action = AgentScratchpadUnit.Action(
action_name=message.tool_calls[0].function.name,
action_input=json.loads(message.tool_calls[0].function.arguments),
match message:
case AssistantPromptMessage():
if not current_scratchpad:
assert isinstance(message.content, str)
current_scratchpad = AgentScratchpadUnit(
agent_response=message.content,
thought=message.content or "I am thinking about how to help you",
action_str="",
action=None,
observation=None,
)
current_scratchpad.action_str = json.dumps(current_scratchpad.action.to_dict())
except Exception:
logger.exception("Failed to parse tool call from assistant message")
elif isinstance(message, ToolPromptMessage):
if current_scratchpad:
assert isinstance(message.content, str)
current_scratchpad.observation = message.content
else:
raise NotImplementedError("expected str type")
elif isinstance(message, UserPromptMessage):
if scratchpads:
result.append(AssistantPromptMessage(content=self._format_assistant_message(scratchpads)))
scratchpads = []
current_scratchpad = None
scratchpads.append(current_scratchpad)
if message.tool_calls:
try:
current_scratchpad.action = AgentScratchpadUnit.Action(
action_name=message.tool_calls[0].function.name,
action_input=json.loads(message.tool_calls[0].function.arguments),
)
current_scratchpad.action_str = json.dumps(current_scratchpad.action.to_dict())
except Exception:
logger.exception("Failed to parse tool call from assistant message")
case ToolPromptMessage():
if current_scratchpad:
assert isinstance(message.content, str)
current_scratchpad.observation = message.content
else:
raise NotImplementedError("expected str type")
case UserPromptMessage():
if scratchpads:
result.append(AssistantPromptMessage(content=self._format_assistant_message(scratchpads)))
scratchpads = []
current_scratchpad = None
result.append(message)
result.append(message)
if scratchpads:
result.append(AssistantPromptMessage(content=self._format_assistant_message(scratchpads)))