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@ -1,8 +1,13 @@
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"""Agent for working with pandas objects."""
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import warnings
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from typing import Any, Dict, List, Literal, Optional, Sequence, Union
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from typing import Any, Dict, List, Literal, Optional, Sequence, Union, cast
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from langchain.agents import AgentType, create_openai_tools_agent, create_react_agent
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from langchain.agents import (
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AgentType,
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create_openai_tools_agent,
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create_react_agent,
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create_tool_calling_agent,
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)
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from langchain.agents.agent import (
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AgentExecutor,
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BaseMultiActionAgent,
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@ -16,7 +21,7 @@ from langchain.agents.openai_functions_agent.base import (
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create_openai_functions_agent,
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)
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from langchain_core.callbacks import BaseCallbackManager
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from langchain_core.language_models import LanguageModelLike
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from langchain_core.language_models import BaseLanguageModel, LanguageModelLike
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from langchain_core.messages import SystemMessage
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from langchain_core.prompts import (
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BasePromptTemplate,
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@ -147,7 +152,7 @@ def create_pandas_dataframe_agent(
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llm: LanguageModelLike,
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df: Any,
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agent_type: Union[
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AgentType, Literal["openai-tools"]
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AgentType, Literal["openai-tools", "tool-calling"]
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] = AgentType.ZERO_SHOT_REACT_DESCRIPTION,
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callback_manager: Optional[BaseCallbackManager] = None,
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prefix: Optional[str] = None,
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@ -168,11 +173,13 @@ def create_pandas_dataframe_agent(
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"""Construct a Pandas agent from an LLM and dataframe(s).
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Args:
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llm: Language model to use for the agent.
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llm: Language model to use for the agent. If agent_type is "tool-calling" then
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llm is expected to support tool calling.
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df: Pandas dataframe or list of Pandas dataframes.
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agent_type: One of "openai-tools", "openai-functions", or
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agent_type: One of "tool-calling", "openai-tools", "openai-functions", or
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"zero-shot-react-description". Defaults to "zero-shot-react-description".
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"openai-tools" is recommended over "openai-functions".
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"tool-calling" is recommended over the legacy "openai-tools" and
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"openai-functions" types.
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callback_manager: DEPRECATED. Pass "callbacks" key into 'agent_executor_kwargs'
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instead to pass constructor callbacks to AgentExecutor.
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prefix: Prompt prefix string.
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@ -209,7 +216,7 @@ def create_pandas_dataframe_agent(
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agent_executor = create_pandas_dataframe_agent(
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llm,
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df,
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agent_type="openai-tools",
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agent_type="tool-calling",
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verbose=True
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)
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@ -268,7 +275,7 @@ def create_pandas_dataframe_agent(
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input_keys_arg=["input"],
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return_keys_arg=["output"],
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)
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elif agent_type in (AgentType.OPENAI_FUNCTIONS, "openai-tools"):
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elif agent_type in (AgentType.OPENAI_FUNCTIONS, "openai-tools", "tool-calling"):
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prompt = _get_functions_prompt(
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df,
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prefix=prefix,
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@ -277,21 +284,33 @@ def create_pandas_dataframe_agent(
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number_of_head_rows=number_of_head_rows,
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)
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if agent_type == AgentType.OPENAI_FUNCTIONS:
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runnable = create_openai_functions_agent(
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cast(BaseLanguageModel, llm), tools, prompt
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)
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agent = RunnableAgent(
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runnable=create_openai_functions_agent(llm, tools, prompt), # type: ignore
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runnable=runnable,
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input_keys_arg=["input"],
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return_keys_arg=["output"],
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)
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else:
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if agent_type == "openai-tools":
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runnable = create_openai_tools_agent(
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cast(BaseLanguageModel, llm), tools, prompt
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)
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else:
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runnable = create_tool_calling_agent(
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cast(BaseLanguageModel, llm), tools, prompt
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)
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agent = RunnableMultiActionAgent(
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runnable=create_openai_tools_agent(llm, tools, prompt), # type: ignore
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runnable=runnable,
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input_keys_arg=["input"],
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return_keys_arg=["output"],
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)
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else:
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raise ValueError(
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f"Agent type {agent_type} not supported at the moment. Must be one of "
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"'openai-tools', 'openai-functions', or 'zero-shot-react-description'."
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"'tool-calling', 'openai-tools', 'openai-functions', or "
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"'zero-shot-react-description'."
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)
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return AgentExecutor(
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agent=agent,
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