wehub-resource-sync
318 lines
10 KiB
Python
318 lines
10 KiB
Python
import httpx
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import litellm
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import pytest
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from httpx import Headers, Response
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from litellm.exceptions import RateLimitError
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from litellm.types.utils import Choices, Message, ModelResponse, Usage
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from openai import APIConnectionError
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from openai.types.chat.chat_completion import ChatCompletion, Choice
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from openai.types.chat.chat_completion_message import ChatCompletionMessage
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from openai.types.completion_usage import CompletionUsage
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from agents.extensions.models.litellm_model import LitellmModel
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from agents.model_settings import ModelSettings
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from agents.models._retry_runtime import provider_managed_retries_disabled
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from agents.models.interface import ModelTracing
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from agents.models.openai_chatcompletions import OpenAIChatCompletionsModel
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from agents.retry import ModelRetryAdviceRequest, ModelRetrySettings
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@pytest.mark.allow_call_model_methods
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@pytest.mark.asyncio
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async def test_litellm_kwargs_forwarded(monkeypatch):
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"""
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Test that kwargs from ModelSettings are forwarded to litellm.acompletion.
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"""
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captured: dict[str, object] = {}
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async def fake_acompletion(model, messages=None, **kwargs):
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captured.update(kwargs)
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msg = Message(role="assistant", content="test response")
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choice = Choices(index=0, message=msg)
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return ModelResponse(choices=[choice], usage=Usage(0, 0, 0))
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monkeypatch.setattr(litellm, "acompletion", fake_acompletion)
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settings = ModelSettings(
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temperature=0.5,
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extra_args={
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"custom_param": "custom_value",
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"seed": 42,
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"stop": ["END"],
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"logit_bias": {123: -100},
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},
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)
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model = LitellmModel(model="test-model")
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await model.get_response(
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system_instructions=None,
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input="test input",
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model_settings=settings,
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tools=[],
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output_schema=None,
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handoffs=[],
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tracing=ModelTracing.DISABLED,
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previous_response_id=None,
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conversation_id=None,
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)
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# Verify that all kwargs were passed through
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assert captured["custom_param"] == "custom_value"
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assert captured["seed"] == 42
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assert captured["stop"] == ["END"]
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assert captured["logit_bias"] == {123: -100}
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# Verify regular parameters are still passed
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assert captured["temperature"] == 0.5
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@pytest.mark.allow_call_model_methods
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@pytest.mark.asyncio
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async def test_openai_chatcompletions_kwargs_forwarded(monkeypatch):
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"""
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Test that kwargs from ModelSettings are forwarded to OpenAI chat completions API.
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"""
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captured: dict[str, object] = {}
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class MockChatCompletions:
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async def create(self, **kwargs):
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captured.update(kwargs)
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msg = ChatCompletionMessage(role="assistant", content="test response")
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choice = Choice(index=0, message=msg, finish_reason="stop")
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return ChatCompletion(
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id="test-id",
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created=0,
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model="gpt-4",
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object="chat.completion",
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choices=[choice],
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usage=CompletionUsage(completion_tokens=5, prompt_tokens=10, total_tokens=15),
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)
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class MockChat:
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def __init__(self):
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self.completions = MockChatCompletions()
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class MockClient:
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def __init__(self):
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self.chat = MockChat()
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self.base_url = "https://api.openai.com/v1"
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settings = ModelSettings(
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temperature=0.7,
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extra_args={
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"seed": 123,
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"logit_bias": {456: 10},
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"stop": ["STOP", "END"],
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"user": "test-user",
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},
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)
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mock_client = MockClient()
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model = OpenAIChatCompletionsModel(model="gpt-4", openai_client=mock_client) # type: ignore
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await model.get_response(
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system_instructions="Test system",
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input="test input",
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model_settings=settings,
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tools=[],
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output_schema=None,
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handoffs=[],
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tracing=ModelTracing.DISABLED,
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previous_response_id=None,
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)
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# Verify that all kwargs were passed through
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assert captured["seed"] == 123
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assert captured["logit_bias"] == {456: 10}
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assert captured["stop"] == ["STOP", "END"]
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assert captured["user"] == "test-user"
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# Verify regular parameters are still passed
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assert captured["temperature"] == 0.7
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@pytest.mark.allow_call_model_methods
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@pytest.mark.asyncio
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async def test_empty_kwargs_handling(monkeypatch):
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"""
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Test that empty or None kwargs are handled gracefully.
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"""
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captured: dict[str, object] = {}
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async def fake_acompletion(model, messages=None, **kwargs):
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captured.update(kwargs)
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msg = Message(role="assistant", content="test response")
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choice = Choices(index=0, message=msg)
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return ModelResponse(choices=[choice], usage=Usage(0, 0, 0))
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monkeypatch.setattr(litellm, "acompletion", fake_acompletion)
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# Test with None kwargs
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settings_none = ModelSettings(temperature=0.5, extra_args=None)
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model = LitellmModel(model="test-model")
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await model.get_response(
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system_instructions=None,
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input="test input",
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model_settings=settings_none,
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tools=[],
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output_schema=None,
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handoffs=[],
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tracing=ModelTracing.DISABLED,
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previous_response_id=None,
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)
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# Should work without error and include regular parameters
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assert captured["temperature"] == 0.5
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# Test with empty dict
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captured.clear()
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settings_empty = ModelSettings(temperature=0.3, extra_args={})
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await model.get_response(
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system_instructions=None,
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input="test input",
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model_settings=settings_empty,
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tools=[],
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output_schema=None,
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handoffs=[],
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tracing=ModelTracing.DISABLED,
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previous_response_id=None,
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)
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# Should work without error and include regular parameters
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assert captured["temperature"] == 0.3
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@pytest.mark.allow_call_model_methods
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@pytest.mark.asyncio
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async def test_reasoning_effort_falls_back_to_extra_args(monkeypatch):
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"""
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Ensure reasoning_effort from extra_args is promoted when reasoning settings are missing.
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"""
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captured: dict[str, object] = {}
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async def fake_acompletion(model, messages=None, **kwargs):
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captured.update(kwargs)
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msg = Message(role="assistant", content="test response")
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choice = Choices(index=0, message=msg)
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return ModelResponse(choices=[choice], usage=Usage(0, 0, 0))
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monkeypatch.setattr(litellm, "acompletion", fake_acompletion)
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# GitHub issue context: https://github.com/openai/openai-agents-python/issues/1764.
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settings = ModelSettings(
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extra_args={"reasoning_effort": "none", "custom_param": "custom_value"}
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)
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model = LitellmModel(model="test-model")
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await model.get_response(
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system_instructions=None,
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input="test input",
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model_settings=settings,
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tools=[],
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output_schema=None,
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handoffs=[],
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tracing=ModelTracing.DISABLED,
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previous_response_id=None,
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)
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assert captured["reasoning_effort"] == "none"
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assert captured["custom_param"] == "custom_value"
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assert settings.extra_args == {"reasoning_effort": "none", "custom_param": "custom_value"}
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@pytest.mark.allow_call_model_methods
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@pytest.mark.asyncio
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async def test_litellm_retry_settings_do_not_leak_and_disable_provider_retries_on_runner_retry(
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monkeypatch,
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):
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"""Runner retries should disable LiteLLM's own retries without forwarding SDK retry config."""
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captured: dict[str, object] = {}
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async def fake_acompletion(model, messages=None, **kwargs):
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captured.update(kwargs)
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msg = Message(role="assistant", content="test response")
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choice = Choices(index=0, message=msg)
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return ModelResponse(choices=[choice], usage=Usage(0, 0, 0))
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monkeypatch.setattr(litellm, "acompletion", fake_acompletion)
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settings = ModelSettings(
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retry=ModelRetrySettings(
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max_retries=2,
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backoff={"initial_delay": 0.25, "jitter": False},
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),
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extra_args={"max_retries": 7, "num_retries": 6, "custom_param": "custom_value"},
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)
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model = LitellmModel(model="test-model")
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with provider_managed_retries_disabled(True):
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await model.get_response(
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system_instructions=None,
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input="test input",
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model_settings=settings,
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tools=[],
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output_schema=None,
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handoffs=[],
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tracing=ModelTracing.DISABLED,
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previous_response_id=None,
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conversation_id=None,
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)
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assert settings.retry is not None
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assert settings.retry.backoff is not None
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assert captured["custom_param"] == "custom_value"
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assert captured["max_retries"] == 0
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assert captured["num_retries"] == 0
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assert "retry" not in captured
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def test_litellm_get_retry_advice_uses_response_headers() -> None:
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"""LiteLLM retry advice should expose OpenAI-compatible retry headers."""
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model = LitellmModel(model="test-model")
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error = RateLimitError(
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message="rate limited",
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llm_provider="openai",
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model="gpt-4o-mini",
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response=Response(
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status_code=429,
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headers=Headers({"x-should-retry": "true", "retry-after-ms": "250"}),
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),
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)
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advice = model.get_retry_advice(
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ModelRetryAdviceRequest(
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error=error,
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attempt=1,
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stream=False,
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)
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)
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assert advice is not None
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assert advice.suggested is True
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assert advice.retry_after == 0.25
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def test_litellm_get_retry_advice_keeps_stateful_transport_failures_ambiguous() -> None:
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model = LitellmModel(model="test-model")
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error = APIConnectionError(
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message="connection error",
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request=httpx.Request("POST", "https://api.openai.com/v1/responses"),
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)
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advice = model.get_retry_advice(
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ModelRetryAdviceRequest(
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error=error,
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attempt=1,
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stream=False,
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previous_response_id="resp_prev",
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)
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)
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assert advice is not None
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assert advice.suggested is True
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assert advice.replay_safety is None
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