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feat: Simplify arguments for LLM clients (#1536)

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This commit is contained in:
Matthew Zhou
2025-04-02 14:26:27 -07:00
committed by GitHub
parent 5c750c2a91
commit 59ca61da58
6 changed files with 15 additions and 27 deletions
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2
letta/agent.py
View File

@@ -313,9 +313,7 @@ class Agent(BaseAgent):
response = llm_client.send_llm_request(
messages=message_sequence,
tools=allowed_functions,
tool_call=function_call,
stream=stream,
first_message=first_message,
force_tool_call=force_tool_call,
)
else:

1
letta/llm_api/anthropic_client.py
View File

@@ -56,7 +56,6 @@ class AnthropicClient(LLMClientBase):
self,
messages: List[PydanticMessage],
tools: List[dict],
tool_call: Optional[str],
force_tool_call: Optional[str] = None,
) -> dict:
prefix_fill = True

2
letta/llm_api/google_ai_client.py
View File

@@ -36,7 +36,7 @@ class GoogleAIClient(LLMClientBase):
self,
messages: List[PydanticMessage],
tools: List[dict],
tool_call: Optional[str],
force_tool_call: Optional[str] = None,
) -> dict:
"""
Constructs a request object in the expected data format for this client.

4
letta/llm_api/google_vertex_client.py
View File

@@ -38,12 +38,12 @@ class GoogleVertexClient(GoogleAIClient):
self,
messages: List[PydanticMessage],
tools: List[dict],
tool_call: Optional[str],
force_tool_call: Optional[str] = None,
) -> dict:
"""
Constructs a request object in the expected data format for this client.
"""
request_data = super().build_request_data(messages, tools, tool_call)
request_data = super().build_request_data(messages, tools, force_tool_call)
request_data["config"] = request_data.pop("generation_config")
request_data["config"]["tools"] = request_data.pop("tools")

9
letta/llm_api/llm_client_base.py
View File

@@ -32,9 +32,7 @@ class LLMClientBase:
self,
messages: List[Message],
tools: Optional[List[dict]] = None, # TODO: change to Tool object
tool_call: Optional[str] = None,
stream: bool = False,
first_message: bool = False,
force_tool_call: Optional[str] = None,
) -> Union[ChatCompletionResponse, Stream[ChatCompletionChunk]]:
"""
@@ -42,7 +40,7 @@ class LLMClientBase:
If stream=True, returns a Stream[ChatCompletionChunk] that can be iterated over.
Otherwise returns a ChatCompletionResponse.
"""
request_data = self.build_request_data(messages, tools, tool_call)
request_data = self.build_request_data(messages, tools, force_tool_call)
try:
log_event(name="llm_request_sent", attributes=request_data)
@@ -60,9 +58,7 @@ class LLMClientBase:
self,
messages: List[Message],
tools: Optional[List[dict]] = None, # TODO: change to Tool object
tool_call: Optional[str] = None,
stream: bool = False,
first_message: bool = False,
force_tool_call: Optional[str] = None,
) -> Union[ChatCompletionResponse, AsyncStream[ChatCompletionChunk]]:
"""
@@ -70,7 +66,7 @@ class LLMClientBase:
If stream=True, returns an AsyncStream[ChatCompletionChunk] that can be async iterated over.
Otherwise returns a ChatCompletionResponse.
"""
request_data = self.build_request_data(messages, tools, tool_call, force_tool_call)
request_data = self.build_request_data(messages, tools, force_tool_call)
response_data = {}
try:
@@ -90,7 +86,6 @@ class LLMClientBase:
self,
messages: List[Message],
tools: List[dict],
tool_call: Optional[str],
force_tool_call: Optional[str] = None,
) -> dict:
"""

24
letta/llm_api/openai_client.py
View File

@@ -46,7 +46,6 @@ class OpenAIClient(LLMClientBase):
self,
messages: List[PydanticMessage],
tools: Optional[List[dict]] = None, # Keep as dict for now as per base class
tool_call: Optional[str] = None, # Note: OpenAI uses tool_choice
force_tool_call: Optional[str] = None,
) -> dict:
"""
@@ -76,25 +75,22 @@ class OpenAIClient(LLMClientBase):
logger.warning(f"Model type not set in llm_config: {self.llm_config.model_dump_json(indent=4)}")
model = None
if tool_call is None and tools is not None and len(tools) > 0:
# force function calling for reliability, see https://platform.openai.com/docs/api-reference/chat/create#chat-create-tool_choice
# TODO(matt) move into LLMConfig
# TODO: This vllm checking is very brittle and is a patch at most
if self.llm_config.model_endpoint == "https://inference.memgpt.ai" or (
self.llm_config.handle and "vllm" in self.llm_config.handle
):
tool_call = "auto" # TODO change to "required" once proxy supports it
else:
tool_call = "required"
# force function calling for reliability, see https://platform.openai.com/docs/api-reference/chat/create#chat-create-tool_choice
# TODO(matt) move into LLMConfig
# TODO: This vllm checking is very brittle and is a patch at most
if self.llm_config.model_endpoint == "https://inference.memgpt.ai" or (self.llm_config.handle and "vllm" in self.llm_config.handle):
tool_choice = "auto" # TODO change to "required" once proxy supports it
else:
tool_choice = "required"
if tool_call not in ["none", "auto", "required"]:
tool_call = ToolFunctionChoice(type="function", function=ToolFunctionChoiceFunctionCall(name=tool_call))
if force_tool_call is not None:
tool_choice = ToolFunctionChoice(type="function", function=ToolFunctionChoiceFunctionCall(name=force_tool_call))
data = ChatCompletionRequest(
model=model,
messages=openai_message_list,
tools=[OpenAITool(type="function", function=f) for f in tools] if tools else None,
tool_choice=tool_call,
tool_choice=tool_choice,
user=str(),
max_completion_tokens=self.llm_config.max_tokens,
temperature=self.llm_config.temperature,