Examples and tests for previous_response_id

Author: rm-openai

examples/basic/previous_response_id.py

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+import asyncio
+
+from agents import Agent, Runner
+
+"""This demonstrates usage of the `previous_response_id` parameter to continue a conversation.
+The second run passes the previous response ID to the model, which allows it to continue the
+conversation without re-sending the previous messages.
+
+Notes:
+1. This only applies to the OpenAI Responses API. Other models will ignore this parameter.
+2. Responses are only stored for 30 days as of this writing, so in production you should
+store the response ID along with an expiration date; if the response is no longer valid,
+you'll need to re-send the previous conversation history.
+"""
+
+
+async def main():
+    agent = Agent(
+        name="Assistant",
+        instructions="You are a helpful assistant. be VERY concise.",
+    )
+
+    result = await Runner.run(agent, "What is the largest country in South America?")
+    print(result.final_output)
+    # Brazil
+
+    result = await Runner.run(
+        agent,
+        "What is the capital of that country?",
+        previous_response_id=result.last_response_id,
+    )
+    print(result.final_output)
+    # Brasilia
+
+
+async def main_stream():
+    agent = Agent(
+        name="Assistant",
+        instructions="You are a helpful assistant. be VERY concise.",
+    )
+
+    result = Runner.run_streamed(agent, "What is the largest country in South America?")
+
+    async for event in result.stream_events():
+        if event.type == "raw_response_event" and event.data.type == "response.output_text.delta":
+            print(event.data.delta, end="", flush=True)
+
+    print()
+
+    result = Runner.run_streamed(
+        agent,
+        "What is the capital of that country?",
+        previous_response_id=result.last_response_id,
+    )
+
+    async for event in result.stream_events():
+        if event.type == "raw_response_event" and event.data.type == "response.output_text.delta":
+            print(event.data.delta, end="", flush=True)
+
+
+if __name__ == "__main__":
+    is_stream = input("Run in stream mode? (y/n): ")
+    if is_stream == "y":
+        asyncio.run(main_stream())
+    else:
+        asyncio.run(main())