diff --git a/libs/partners/fireworks/langchain_fireworks/chat_models.py b/libs/partners/fireworks/langchain_fireworks/chat_models.py index 9090c938af..48de39f8c8 100644 --- a/libs/partners/fireworks/langchain_fireworks/chat_models.py +++ b/libs/partners/fireworks/langchain_fireworks/chat_models.py @@ -179,9 +179,11 @@ def _convert_message_to_dict(message: BaseMessage) -> dict: return message_dict -def _convert_delta_to_message_chunk( - _dict: Mapping[str, Any], default_class: Type[BaseMessageChunk] +def _convert_chunk_to_message_chunk( + chunk: Mapping[str, Any], default_class: Type[BaseMessageChunk] ) -> BaseMessageChunk: + choice = chunk["choices"][0] + _dict = choice["delta"] role = cast(str, _dict.get("role")) content = cast(str, _dict.get("content") or "") additional_kwargs: Dict = {} @@ -210,10 +212,21 @@ def _convert_delta_to_message_chunk( if role == "user" or default_class == HumanMessageChunk: return HumanMessageChunk(content=content) elif role == "assistant" or default_class == AIMessageChunk: + if usage := chunk.get("usage"): + input_tokens = usage.get("prompt_tokens", 0) + output_tokens = usage.get("completion_tokens", 0) + usage_metadata = { + "input_tokens": input_tokens, + "output_tokens": output_tokens, + "total_tokens": usage.get("total_tokens", input_tokens + output_tokens), + } + else: + usage_metadata = None return AIMessageChunk( content=content, additional_kwargs=additional_kwargs, tool_call_chunks=tool_call_chunks, + usage_metadata=usage_metadata, ) elif role == "system" or default_class == SystemMessageChunk: return SystemMessageChunk(content=content) @@ -412,29 +425,29 @@ class ChatFireworks(BaseChatModel): message_dicts, params = self._create_message_dicts(messages, stop) params = {**params, **kwargs, "stream": True} - default_chunk_class = AIMessageChunk + default_chunk_class: Type[BaseMessageChunk] = AIMessageChunk for chunk in self.client.create(messages=message_dicts, **params): if not isinstance(chunk, dict): chunk = chunk.dict() if len(chunk["choices"]) == 0: continue choice = chunk["choices"][0] - chunk = _convert_delta_to_message_chunk( - choice["delta"], default_chunk_class - ) + message_chunk = _convert_chunk_to_message_chunk(chunk, default_chunk_class) generation_info = {} if finish_reason := choice.get("finish_reason"): generation_info["finish_reason"] = finish_reason logprobs = choice.get("logprobs") if logprobs: generation_info["logprobs"] = logprobs - default_chunk_class = chunk.__class__ - chunk = ChatGenerationChunk( - message=chunk, generation_info=generation_info or None + default_chunk_class = message_chunk.__class__ + generation_chunk = ChatGenerationChunk( + message=message_chunk, generation_info=generation_info or None ) if run_manager: - run_manager.on_llm_new_token(chunk.text, chunk=chunk, logprobs=logprobs) - yield chunk + run_manager.on_llm_new_token( + generation_chunk.text, chunk=generation_chunk, logprobs=logprobs + ) + yield generation_chunk def _generate( self, @@ -472,8 +485,15 @@ class ChatFireworks(BaseChatModel): generations = [] if not isinstance(response, dict): response = response.dict() + token_usage = response.get("usage", {}) for res in response["choices"]: message = _convert_dict_to_message(res["message"]) + if token_usage and isinstance(message, AIMessage): + message.usage_metadata = { + "input_tokens": token_usage.get("prompt_tokens", 0), + "output_tokens": token_usage.get("completion_tokens", 0), + "total_tokens": token_usage.get("total_tokens", 0), + } generation_info = dict(finish_reason=res.get("finish_reason")) if "logprobs" in res: generation_info["logprobs"] = res["logprobs"] @@ -482,7 +502,6 @@ class ChatFireworks(BaseChatModel): generation_info=generation_info, ) generations.append(gen) - token_usage = response.get("usage", {}) llm_output = { "token_usage": token_usage, "model_name": self.model_name, @@ -500,31 +519,31 @@ class ChatFireworks(BaseChatModel): message_dicts, params = self._create_message_dicts(messages, stop) params = {**params, **kwargs, "stream": True} - default_chunk_class = AIMessageChunk + default_chunk_class: Type[BaseMessageChunk] = AIMessageChunk async for chunk in self.async_client.acreate(messages=message_dicts, **params): if not isinstance(chunk, dict): chunk = chunk.dict() if len(chunk["choices"]) == 0: continue choice = chunk["choices"][0] - chunk = _convert_delta_to_message_chunk( - choice["delta"], default_chunk_class - ) + message_chunk = _convert_chunk_to_message_chunk(chunk, default_chunk_class) generation_info = {} if finish_reason := choice.get("finish_reason"): generation_info["finish_reason"] = finish_reason logprobs = choice.get("logprobs") if logprobs: generation_info["logprobs"] = logprobs - default_chunk_class = chunk.__class__ - chunk = ChatGenerationChunk( - message=chunk, generation_info=generation_info or None + default_chunk_class = message_chunk.__class__ + generation_chunk = ChatGenerationChunk( + message=message_chunk, generation_info=generation_info or None ) if run_manager: await run_manager.on_llm_new_token( - token=chunk.text, chunk=chunk, logprobs=logprobs + token=generation_chunk.text, + chunk=generation_chunk, + logprobs=logprobs, ) - yield chunk + yield generation_chunk async def _agenerate( self, diff --git a/libs/partners/fireworks/poetry.lock b/libs/partners/fireworks/poetry.lock index eea0bdb23b..aa6089d875 100644 --- a/libs/partners/fireworks/poetry.lock +++ b/libs/partners/fireworks/poetry.lock @@ -572,7 +572,7 @@ files = [ [[package]] name = "langchain-core" -version = "0.2.4" +version = "0.2.6" description = "Building applications with LLMs through composability" optional = false python-versions = ">=3.8.1,<4.0" @@ -581,15 +581,12 @@ develop = true [package.dependencies] jsonpatch = "^1.33" -langsmith = "^0.1.66" -packaging = "^23.2" +langsmith = "^0.1.75" +packaging = ">=23.2,<25" pydantic = ">=1,<3" PyYAML = ">=5.3" tenacity = "^8.1.0" -[package.extras] -extended-testing = ["jinja2 (>=3,<4)"] - [package.source] type = "directory" url = "../../core" @@ -613,13 +610,13 @@ url = "../../standard-tests" [[package]] name = "langsmith" -version = "0.1.73" +version = "0.1.77" description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform." optional = false python-versions = "<4.0,>=3.8.1" files = [ - {file = "langsmith-0.1.73-py3-none-any.whl", hash = "sha256:38bfcce2cfcf0b2da2e9628b903c9e768e1ce59d450e8a584514c1638c595e93"}, - {file = "langsmith-0.1.73.tar.gz", hash = "sha256:0055471cb1fddb76ec65499716764ad0b0314affbdf33ff1f72ad5e2d6a3b224"}, + {file = "langsmith-0.1.77-py3-none-any.whl", hash = "sha256:2202cc21b1ed7e7b9e5d2af2694be28898afa048c09fdf09f620cbd9301755ae"}, + {file = "langsmith-0.1.77.tar.gz", hash = "sha256:4ace09077a9a4e412afeb4b517ca68e7de7b07f36e4792dc8236ac5207c0c0c7"}, ] [package.dependencies] @@ -1551,4 +1548,4 @@ multidict = ">=4.0" [metadata] lock-version = "2.0" python-versions = ">=3.8.1,<4.0" -content-hash = "1bd993cb034f7eeb243d4c0861075008065d31c6c707aeb2e99c6214d72fb409" +content-hash = "d68944d6707245475f18e901001c98aabdf7aae7944c552e8f058f4806c83f0c" diff --git a/libs/partners/fireworks/pyproject.toml b/libs/partners/fireworks/pyproject.toml index 97d6183616..025ce61602 100644 --- a/libs/partners/fireworks/pyproject.toml +++ b/libs/partners/fireworks/pyproject.toml @@ -12,7 +12,7 @@ license = "MIT" [tool.poetry.dependencies] python = ">=3.8.1,<4.0" -langchain-core = ">=0.2.0,<0.3" +langchain-core = ">=0.2.2,<0.3" fireworks-ai = ">=0.13.0" openai = "^1.10.0" requests = "^2" diff --git a/libs/partners/fireworks/tests/integration_tests/test_chat_models.py b/libs/partners/fireworks/tests/integration_tests/test_chat_models.py index f485c9ad03..4e8cc41adc 100644 --- a/libs/partners/fireworks/tests/integration_tests/test_chat_models.py +++ b/libs/partners/fireworks/tests/integration_tests/test_chat_models.py @@ -4,8 +4,9 @@ You will need FIREWORKS_API_KEY set in your environment to run these tests. """ import json +from typing import Optional -from langchain_core.messages import AIMessage +from langchain_core.messages import AIMessage, AIMessageChunk, BaseMessageChunk from langchain_core.pydantic_v1 import BaseModel from langchain_fireworks import ChatFireworks @@ -93,8 +94,28 @@ async def test_astream() -> None: """Test streaming tokens from ChatFireworks.""" llm = ChatFireworks() + full: Optional[BaseMessageChunk] = None + chunks_with_token_counts = 0 async for token in llm.astream("I'm Pickle Rick"): + assert isinstance(token, AIMessageChunk) assert isinstance(token.content, str) + full = token if full is None else full + token + if token.usage_metadata is not None: + chunks_with_token_counts += 1 + if chunks_with_token_counts != 1: + raise AssertionError( + "Expected exactly one chunk with token counts. " + "AIMessageChunk aggregation adds counts. Check that " + "this is behaving properly." + ) + assert isinstance(full, AIMessageChunk) + assert full.usage_metadata is not None + assert full.usage_metadata["input_tokens"] > 0 + assert full.usage_metadata["output_tokens"] > 0 + assert ( + full.usage_metadata["input_tokens"] + full.usage_metadata["output_tokens"] + == full.usage_metadata["total_tokens"] + ) async def test_abatch() -> None: diff --git a/libs/partners/fireworks/tests/integration_tests/test_standard.py b/libs/partners/fireworks/tests/integration_tests/test_standard.py index 26ba020419..bfeeca693d 100644 --- a/libs/partners/fireworks/tests/integration_tests/test_standard.py +++ b/libs/partners/fireworks/tests/integration_tests/test_standard.py @@ -21,17 +21,6 @@ class TestFireworksStandard(ChatModelIntegrationTests): "temperature": 0, } - @pytest.mark.xfail(reason="Not implemented.") - def test_usage_metadata( - self, - chat_model_class: Type[BaseChatModel], - chat_model_params: dict, - ) -> None: - super().test_usage_metadata( - chat_model_class, - chat_model_params, - ) - @pytest.mark.xfail(reason="Not yet implemented.") def test_tool_message_histories_list_content( self,