From 7652d2abb01208fd51115e34e18b066824e7d921 Mon Sep 17 00:00:00 2001 From: Nicholas Liu Date: Thu, 25 May 2023 14:23:11 -0700 Subject: [PATCH] Add Multi-CSV/DF support in CSV and DataFrame Toolkits (#5009) Add Multi-CSV/DF support in CSV and DataFrame Toolkits * CSV and DataFrame toolkits now accept list of CSVs/DFs * Add default prompts for many dataframes in `pandas_dataframe` toolkit Fixes #1958 Potentially fixes #4423 ## Testing * Add single and multi-dataframe integration tests for `pandas_dataframe` toolkit with permutations of `include_df_in_prompt` * Add single and multi-CSV integration tests for csv toolkit --------- Co-authored-by: Harrison Chase --- .../agents/toolkits/examples/csv.ipynb | 77 +- .../agents/toolkits/examples/pandas.ipynb | 85 +- .../toolkits/examples/titanic_age_fillna.csv | 892 ++++++++++++++++++ langchain/agents/agent_toolkits/csv/base.py | 24 +- .../agents/agent_toolkits/pandas/base.py | 163 +++- .../agents/agent_toolkits/pandas/prompt.py | 14 +- .../integration_tests/agent/test_csv_agent.py | 57 ++ .../agent/test_pandas_agent.py | 40 + 8 files changed, 1289 insertions(+), 63 deletions(-) create mode 100644 docs/modules/agents/toolkits/examples/titanic_age_fillna.csv create mode 100644 tests/integration_tests/agent/test_csv_agent.py diff --git a/docs/modules/agents/toolkits/examples/csv.ipynb b/docs/modules/agents/toolkits/examples/csv.ipynb index 7e38e781..030f5e58 100644 --- a/docs/modules/agents/toolkits/examples/csv.ipynb +++ b/docs/modules/agents/toolkits/examples/csv.ipynb @@ -35,7 +35,7 @@ }, { "cell_type": "code", - "execution_count": 3, + "execution_count": 4, "id": "16c4dc59", "metadata": {}, "outputs": [], @@ -45,7 +45,7 @@ }, { "cell_type": "code", - "execution_count": 4, + "execution_count": 5, "id": "46b9489d", "metadata": {}, "outputs": [ @@ -58,10 +58,10 @@ "\u001b[1m> Entering new AgentExecutor chain...\u001b[0m\n", "\u001b[32;1m\u001b[1;3mThought: I need to count the number of rows\n", "Action: python_repl_ast\n", - "Action Input: len(df)\u001b[0m\n", + "Action Input: df.shape[0]\u001b[0m\n", "Observation: \u001b[36;1m\u001b[1;3m891\u001b[0m\n", "Thought:\u001b[32;1m\u001b[1;3m I now know the final answer\n", - "Final Answer: There are 891 rows in the dataframe.\u001b[0m\n", + "Final Answer: There are 891 rows.\u001b[0m\n", "\n", "\u001b[1m> Finished chain.\u001b[0m\n" ] @@ -69,10 +69,10 @@ { "data": { "text/plain": [ - "'There are 891 rows in the dataframe.'" + "'There are 891 rows.'" ] }, - "execution_count": 4, + "execution_count": 5, "metadata": {}, "output_type": "execute_result" } @@ -83,7 +83,7 @@ }, { "cell_type": "code", - "execution_count": 5, + "execution_count": 6, "id": "a96309be", "metadata": {}, "outputs": [ @@ -110,7 +110,7 @@ "'30 people have more than 3 siblings.'" ] }, - "execution_count": 5, + "execution_count": 6, "metadata": {}, "output_type": "execute_result" } @@ -121,7 +121,7 @@ }, { "cell_type": "code", - "execution_count": 6, + "execution_count": 7, "id": "964a09f7", "metadata": {}, "outputs": [ @@ -136,15 +136,15 @@ "Action: python_repl_ast\n", "Action Input: df['Age'].mean()\u001b[0m\n", "Observation: \u001b[36;1m\u001b[1;3m29.69911764705882\u001b[0m\n", - "Thought:\u001b[32;1m\u001b[1;3m I can now calculate the square root\n", + "Thought:\u001b[32;1m\u001b[1;3m I now need to calculate the square root of the average age\n", "Action: python_repl_ast\n", "Action Input: math.sqrt(df['Age'].mean())\u001b[0m\n", - "Observation: \u001b[36;1m\u001b[1;3mname 'math' is not defined\u001b[0m\n", + "Observation: \u001b[36;1m\u001b[1;3mNameError(\"name 'math' is not defined\")\u001b[0m\n", "Thought:\u001b[32;1m\u001b[1;3m I need to import the math library\n", "Action: python_repl_ast\n", "Action Input: import math\u001b[0m\n", "Observation: \u001b[36;1m\u001b[1;3m\u001b[0m\n", - "Thought:\u001b[32;1m\u001b[1;3m I can now calculate the square root\n", + "Thought:\u001b[32;1m\u001b[1;3m I now need to calculate the square root of the average age\n", "Action: python_repl_ast\n", "Action Input: math.sqrt(df['Age'].mean())\u001b[0m\n", "Observation: \u001b[36;1m\u001b[1;3m5.449689683556195\u001b[0m\n", @@ -160,7 +160,7 @@ "'5.449689683556195'" ] }, - "execution_count": 6, + "execution_count": 7, "metadata": {}, "output_type": "execute_result" } @@ -169,10 +169,59 @@ "agent.run(\"whats the square root of the average age?\")" ] }, + { + "cell_type": "markdown", + "id": "09539c18", + "metadata": {}, + "source": [ + "### Multi CSV Example\n", + "\n", + "This next part shows how the agent can interact with multiple csv files passed in as a list." + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "id": "15f11fbd", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "\n", + "\n", + "\u001b[1m> Entering new AgentExecutor chain...\u001b[0m\n", + "\u001b[32;1m\u001b[1;3mThought: I need to compare the age columns in both dataframes\n", + "Action: python_repl_ast\n", + "Action Input: len(df1[df1['Age'] != df2['Age']])\u001b[0m\n", + "Observation: \u001b[36;1m\u001b[1;3m177\u001b[0m\n", + "Thought:\u001b[32;1m\u001b[1;3m I now know the final answer\n", + "Final Answer: 177 rows in the age column are different.\u001b[0m\n", + "\n", + "\u001b[1m> Finished chain.\u001b[0m\n" + ] + }, + { + "data": { + "text/plain": [ + "'177 rows in the age column are different.'" + ] + }, + "execution_count": 3, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "agent = create_csv_agent(OpenAI(temperature=0), ['titanic.csv', 'titanic_age_fillna.csv'], verbose=True)\n", + "agent.run(\"how many rows in the age column are different?\")" + ] + }, { "cell_type": "code", "execution_count": null, - "id": "551de2be", + "id": "f2909808", "metadata": {}, "outputs": [], "source": [] diff --git a/docs/modules/agents/toolkits/examples/pandas.ipynb b/docs/modules/agents/toolkits/examples/pandas.ipynb index 542cb0b0..f2acf6ff 100644 --- a/docs/modules/agents/toolkits/examples/pandas.ipynb +++ b/docs/modules/agents/toolkits/examples/pandas.ipynb @@ -14,7 +14,7 @@ }, { "cell_type": "code", - "execution_count": 7, + "execution_count": 1, "id": "0cdd9bf5", "metadata": {}, "outputs": [], @@ -60,10 +60,10 @@ "\u001b[1m> Entering new AgentExecutor chain...\u001b[0m\n", "\u001b[32;1m\u001b[1;3mThought: I need to count the number of rows\n", "Action: python_repl_ast\n", - "Action Input: len(df)\u001b[0m\n", + "Action Input: df.shape[0]\u001b[0m\n", "Observation: \u001b[36;1m\u001b[1;3m891\u001b[0m\n", "Thought:\u001b[32;1m\u001b[1;3m I now know the final answer\n", - "Final Answer: There are 891 rows in the dataframe.\u001b[0m\n", + "Final Answer: There are 891 rows.\u001b[0m\n", "\n", "\u001b[1m> Finished chain.\u001b[0m\n" ] @@ -71,7 +71,7 @@ { "data": { "text/plain": [ - "'There are 891 rows in the dataframe.'" + "'There are 891 rows.'" ] }, "execution_count": 4, @@ -138,20 +138,20 @@ "Action: python_repl_ast\n", "Action Input: df['Age'].mean()\u001b[0m\n", "Observation: \u001b[36;1m\u001b[1;3m29.69911764705882\u001b[0m\n", - "Thought:\u001b[32;1m\u001b[1;3m I can now calculate the square root\n", + "Thought:\u001b[32;1m\u001b[1;3m I now need to calculate the square root of the average age\n", "Action: python_repl_ast\n", "Action Input: math.sqrt(df['Age'].mean())\u001b[0m\n", - "Observation: \u001b[36;1m\u001b[1;3mname 'math' is not defined\u001b[0m\n", + "Observation: \u001b[36;1m\u001b[1;3mNameError(\"name 'math' is not defined\")\u001b[0m\n", "Thought:\u001b[32;1m\u001b[1;3m I need to import the math library\n", "Action: python_repl_ast\n", "Action Input: import math\u001b[0m\n", - "Observation: \u001b[36;1m\u001b[1;3mNone\u001b[0m\n", - "Thought:\u001b[32;1m\u001b[1;3m I can now calculate the square root\n", + "Observation: \u001b[36;1m\u001b[1;3m\u001b[0m\n", + "Thought:\u001b[32;1m\u001b[1;3m I now need to calculate the square root of the average age\n", "Action: python_repl_ast\n", "Action Input: math.sqrt(df['Age'].mean())\u001b[0m\n", "Observation: \u001b[36;1m\u001b[1;3m5.449689683556195\u001b[0m\n", "Thought:\u001b[32;1m\u001b[1;3m I now know the final answer\n", - "Final Answer: 5.449689683556195\u001b[0m\n", + "Final Answer: The square root of the average age is 5.449689683556195.\u001b[0m\n", "\n", "\u001b[1m> Finished chain.\u001b[0m\n" ] @@ -159,7 +159,7 @@ { "data": { "text/plain": [ - "'5.449689683556195'" + "'The square root of the average age is 5.449689683556195.'" ] }, "execution_count": 6, @@ -171,11 +171,72 @@ "agent.run(\"whats the square root of the average age?\")" ] }, + { + "attachments": {}, + "cell_type": "markdown", + "id": "c4bc0584", + "metadata": {}, + "source": [ + "### Multi DataFrame Example\n", + "\n", + "This next part shows how the agent can interact with multiple dataframes passed in as a list." + ] + }, { "cell_type": "code", - "execution_count": null, + "execution_count": 7, + "id": "42a15bd9", + "metadata": {}, + "outputs": [], + "source": [ + "df1 = df.copy()\n", + "df1[\"Age\"] = df1[\"Age\"].fillna(df1[\"Age\"].mean())" + ] + }, + { + "cell_type": "code", + "execution_count": 8, "id": "eba13b4d", "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "\n", + "\n", + "\u001b[1m> Entering new AgentExecutor chain...\u001b[0m\n", + "\u001b[32;1m\u001b[1;3mThought: I need to compare the age columns in both dataframes\n", + "Action: python_repl_ast\n", + "Action Input: len(df1[df1['Age'] != df2['Age']])\u001b[0m\n", + "Observation: \u001b[36;1m\u001b[1;3m177\u001b[0m\n", + "Thought:\u001b[32;1m\u001b[1;3m I now know the final answer\n", + "Final Answer: 177 rows in the age column are different.\u001b[0m\n", + "\n", + "\u001b[1m> Finished chain.\u001b[0m\n" + ] + }, + { + "data": { + "text/plain": [ + "'177 rows in the age column are different.'" + ] + }, + "execution_count": 8, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "agent = create_pandas_dataframe_agent(OpenAI(temperature=0), [df, df1], verbose=True)\n", + "agent.run(\"how many rows in the age column are different?\")" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "60d08a56", + "metadata": {}, "outputs": [], "source": [] } @@ -196,7 +257,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - 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John",male,28.0,0,1,248727,33.0,,S +850,1,1,"Goldenberg, Mrs. Samuel L (Edwiga Grabowska)",female,29.69911764705882,1,0,17453,89.1042,C92,C +851,0,3,"Andersson, Master. Sigvard Harald Elias",male,4.0,4,2,347082,31.275,,S +852,0,3,"Svensson, Mr. Johan",male,74.0,0,0,347060,7.775,,S +853,0,3,"Boulos, Miss. Nourelain",female,9.0,1,1,2678,15.2458,,C +854,1,1,"Lines, Miss. Mary Conover",female,16.0,0,1,PC 17592,39.4,D28,S +855,0,2,"Carter, Mrs. Ernest Courtenay (Lilian Hughes)",female,44.0,1,0,244252,26.0,,S +856,1,3,"Aks, Mrs. Sam (Leah Rosen)",female,18.0,0,1,392091,9.35,,S +857,1,1,"Wick, Mrs. George Dennick (Mary Hitchcock)",female,45.0,1,1,36928,164.8667,,S +858,1,1,"Daly, Mr. Peter Denis ",male,51.0,0,0,113055,26.55,E17,S +859,1,3,"Baclini, Mrs. Solomon (Latifa Qurban)",female,24.0,0,3,2666,19.2583,,C +860,0,3,"Razi, Mr. Raihed",male,29.69911764705882,0,0,2629,7.2292,,C +861,0,3,"Hansen, Mr. Claus Peter",male,41.0,2,0,350026,14.1083,,S +862,0,2,"Giles, Mr. Frederick Edward",male,21.0,1,0,28134,11.5,,S +863,1,1,"Swift, Mrs. Frederick Joel (Margaret Welles Barron)",female,48.0,0,0,17466,25.9292,D17,S +864,0,3,"Sage, Miss. Dorothy Edith ""Dolly""",female,29.69911764705882,8,2,CA. 2343,69.55,,S +865,0,2,"Gill, Mr. John William",male,24.0,0,0,233866,13.0,,S +866,1,2,"Bystrom, Mrs. (Karolina)",female,42.0,0,0,236852,13.0,,S +867,1,2,"Duran y More, Miss. Asuncion",female,27.0,1,0,SC/PARIS 2149,13.8583,,C +868,0,1,"Roebling, Mr. Washington Augustus II",male,31.0,0,0,PC 17590,50.4958,A24,S +869,0,3,"van Melkebeke, Mr. Philemon",male,29.69911764705882,0,0,345777,9.5,,S +870,1,3,"Johnson, Master. Harold Theodor",male,4.0,1,1,347742,11.1333,,S +871,0,3,"Balkic, Mr. Cerin",male,26.0,0,0,349248,7.8958,,S +872,1,1,"Beckwith, Mrs. Richard Leonard (Sallie Monypeny)",female,47.0,1,1,11751,52.5542,D35,S +873,0,1,"Carlsson, Mr. Frans Olof",male,33.0,0,0,695,5.0,B51 B53 B55,S +874,0,3,"Vander Cruyssen, Mr. Victor",male,47.0,0,0,345765,9.0,,S +875,1,2,"Abelson, Mrs. Samuel (Hannah Wizosky)",female,28.0,1,0,P/PP 3381,24.0,,C +876,1,3,"Najib, Miss. Adele Kiamie ""Jane""",female,15.0,0,0,2667,7.225,,C +877,0,3,"Gustafsson, Mr. Alfred Ossian",male,20.0,0,0,7534,9.8458,,S +878,0,3,"Petroff, Mr. Nedelio",male,19.0,0,0,349212,7.8958,,S +879,0,3,"Laleff, Mr. Kristo",male,29.69911764705882,0,0,349217,7.8958,,S +880,1,1,"Potter, Mrs. Thomas Jr (Lily Alexenia Wilson)",female,56.0,0,1,11767,83.1583,C50,C +881,1,2,"Shelley, Mrs. William (Imanita Parrish Hall)",female,25.0,0,1,230433,26.0,,S +882,0,3,"Markun, Mr. Johann",male,33.0,0,0,349257,7.8958,,S +883,0,3,"Dahlberg, Miss. Gerda Ulrika",female,22.0,0,0,7552,10.5167,,S +884,0,2,"Banfield, Mr. Frederick James",male,28.0,0,0,C.A./SOTON 34068,10.5,,S +885,0,3,"Sutehall, Mr. Henry Jr",male,25.0,0,0,SOTON/OQ 392076,7.05,,S +886,0,3,"Rice, Mrs. William (Margaret Norton)",female,39.0,0,5,382652,29.125,,Q +887,0,2,"Montvila, Rev. Juozas",male,27.0,0,0,211536,13.0,,S +888,1,1,"Graham, Miss. Margaret Edith",female,19.0,0,0,112053,30.0,B42,S +889,0,3,"Johnston, Miss. Catherine Helen ""Carrie""",female,29.69911764705882,1,2,W./C. 6607,23.45,,S +890,1,1,"Behr, Mr. Karl Howell",male,26.0,0,0,111369,30.0,C148,C +891,0,3,"Dooley, Mr. Patrick",male,32.0,0,0,370376,7.75,,Q diff --git a/langchain/agents/agent_toolkits/csv/base.py b/langchain/agents/agent_toolkits/csv/base.py index b74ee729..ac1b2501 100644 --- a/langchain/agents/agent_toolkits/csv/base.py +++ b/langchain/agents/agent_toolkits/csv/base.py @@ -1,5 +1,5 @@ """Agent for working with csvs.""" -from typing import Any, Optional +from typing import Any, List, Optional, Union from langchain.agents.agent import AgentExecutor from langchain.agents.agent_toolkits.pandas.base import create_pandas_dataframe_agent @@ -8,13 +8,27 @@ from langchain.base_language import BaseLanguageModel def create_csv_agent( llm: BaseLanguageModel, - path: str, + path: Union[str, List[str]], pandas_kwargs: Optional[dict] = None, - **kwargs: Any + **kwargs: Any, ) -> AgentExecutor: """Create csv agent by loading to a dataframe and using pandas agent.""" - import pandas as pd + try: + import pandas as pd + except ImportError: + raise ValueError( + "pandas package not found, please install with `pip install pandas`" + ) _kwargs = pandas_kwargs or {} - df = pd.read_csv(path, **_kwargs) + if isinstance(path, str): + df = pd.read_csv(path, **_kwargs) + elif isinstance(path, list): + df = [] + for item in path: + if not isinstance(item, str): + raise ValueError(f"Expected str, got {type(path)}") + df.append(pd.read_csv(item, **_kwargs)) + else: + raise ValueError(f"Expected str or list, got {type(path)}") return create_pandas_dataframe_agent(llm, df, **kwargs) diff --git a/langchain/agents/agent_toolkits/pandas/base.py b/langchain/agents/agent_toolkits/pandas/base.py index 40257bf9..d8599a90 100644 --- a/langchain/agents/agent_toolkits/pandas/base.py +++ b/langchain/agents/agent_toolkits/pandas/base.py @@ -1,24 +1,147 @@ """Agent for working with pandas objects.""" -from typing import Any, Dict, List, Optional +from typing import Any, Dict, List, Optional, Tuple from langchain.agents.agent import AgentExecutor from langchain.agents.agent_toolkits.pandas.prompt import ( + MULTI_DF_PREFIX, PREFIX, SUFFIX_NO_DF, SUFFIX_WITH_DF, + SUFFIX_WITH_MULTI_DF, ) from langchain.agents.mrkl.base import ZeroShotAgent from langchain.base_language import BaseLanguageModel from langchain.callbacks.base import BaseCallbackManager from langchain.chains.llm import LLMChain +from langchain.prompts.base import BasePromptTemplate from langchain.tools.python.tool import PythonAstREPLTool +def _get_multi_prompt( + dfs: List[Any], + prefix: Optional[str] = None, + suffix: Optional[str] = None, + input_variables: Optional[List[str]] = None, + include_df_in_prompt: Optional[bool] = True, +) -> Tuple[BasePromptTemplate, List[PythonAstREPLTool]]: + num_dfs = len(dfs) + if suffix is not None: + suffix_to_use = suffix + include_dfs_head = True + elif include_df_in_prompt: + suffix_to_use = SUFFIX_WITH_MULTI_DF + include_dfs_head = True + else: + suffix_to_use = SUFFIX_NO_DF + include_dfs_head = False + if input_variables is None: + input_variables = ["input", "agent_scratchpad", "num_dfs"] + if include_dfs_head: + input_variables += ["dfs_head"] + + if prefix is None: + prefix = MULTI_DF_PREFIX + + df_locals = {} + for i, dataframe in enumerate(dfs): + df_locals[f"df{i + 1}"] = dataframe + tools = [PythonAstREPLTool(locals=df_locals)] + + prompt = ZeroShotAgent.create_prompt( + tools, prefix=prefix, suffix=suffix_to_use, input_variables=input_variables + ) + + partial_prompt = prompt.partial() + if "dfs_head" in input_variables: + dfs_head = "\n\n".join([d.head().to_markdown() for d in dfs]) + partial_prompt = partial_prompt.partial(num_dfs=str(num_dfs), dfs_head=dfs_head) + if "num_dfs" in input_variables: + partial_prompt = partial_prompt.partial(num_dfs=str(num_dfs)) + return partial_prompt, tools + + +def _get_single_prompt( + df: Any, + prefix: Optional[str] = None, + suffix: Optional[str] = None, + input_variables: Optional[List[str]] = None, + include_df_in_prompt: Optional[bool] = True, +) -> Tuple[BasePromptTemplate, List[PythonAstREPLTool]]: + if suffix is not None: + suffix_to_use = suffix + include_df_head = True + elif include_df_in_prompt: + suffix_to_use = SUFFIX_WITH_DF + include_df_head = True + else: + suffix_to_use = SUFFIX_NO_DF + include_df_head = False + + if input_variables is None: + input_variables = ["input", "agent_scratchpad"] + if include_df_head: + input_variables += ["df_head"] + + if prefix is None: + prefix = PREFIX + + tools = [PythonAstREPLTool(locals={"df": df})] + + prompt = ZeroShotAgent.create_prompt( + tools, prefix=prefix, suffix=suffix_to_use, input_variables=input_variables + ) + + partial_prompt = prompt.partial() + if "df_head" in input_variables: + partial_prompt = partial_prompt.partial(df_head=str(df.head().to_markdown())) + return partial_prompt, tools + + +def _get_prompt_and_tools( + df: Any, + prefix: Optional[str] = None, + suffix: Optional[str] = None, + input_variables: Optional[List[str]] = None, + include_df_in_prompt: Optional[bool] = True, +) -> Tuple[BasePromptTemplate, List[PythonAstREPLTool]]: + try: + import pandas as pd + except ImportError: + raise ValueError( + "pandas package not found, please install with `pip install pandas`" + ) + + if include_df_in_prompt is not None and suffix is not None: + raise ValueError("If suffix is specified, include_df_in_prompt should not be.") + + if isinstance(df, list): + for item in df: + if not isinstance(item, pd.DataFrame): + raise ValueError(f"Expected pandas object, got {type(df)}") + return _get_multi_prompt( + df, + prefix=prefix, + suffix=suffix, + input_variables=input_variables, + include_df_in_prompt=include_df_in_prompt, + ) + else: + if not isinstance(df, pd.DataFrame): + raise ValueError(f"Expected pandas object, got {type(df)}") + return _get_single_prompt( + df, + prefix=prefix, + suffix=suffix, + input_variables=input_variables, + include_df_in_prompt=include_df_in_prompt, + ) + + def create_pandas_dataframe_agent( llm: BaseLanguageModel, df: Any, callback_manager: Optional[BaseCallbackManager] = None, - prefix: str = PREFIX, + prefix: Optional[str] = None, suffix: Optional[str] = None, input_variables: Optional[List[str]] = None, verbose: bool = False, @@ -31,39 +154,17 @@ def create_pandas_dataframe_agent( **kwargs: Dict[str, Any], ) -> AgentExecutor: """Construct a pandas agent from an LLM and dataframe.""" - try: - import pandas as pd - except ImportError: - raise ImportError( - "pandas package not found, please install with `pip install pandas`" - ) - if not isinstance(df, pd.DataFrame): - raise ValueError(f"Expected pandas object, got {type(df)}") - if include_df_in_prompt is not None and suffix is not None: - raise ValueError("If suffix is specified, include_df_in_prompt should not be.") - if suffix is not None: - suffix_to_use = suffix - if input_variables is None: - input_variables = ["df", "input", "agent_scratchpad"] - else: - if include_df_in_prompt: - suffix_to_use = SUFFIX_WITH_DF - input_variables = ["df", "input", "agent_scratchpad"] - else: - suffix_to_use = SUFFIX_NO_DF - input_variables = ["input", "agent_scratchpad"] - tools = [PythonAstREPLTool(locals={"df": df})] - prompt = ZeroShotAgent.create_prompt( - tools, prefix=prefix, suffix=suffix_to_use, input_variables=input_variables + prompt, tools = _get_prompt_and_tools( + df, + prefix=prefix, + suffix=suffix, + input_variables=input_variables, + include_df_in_prompt=include_df_in_prompt, ) - if "df" in input_variables: - partial_prompt = prompt.partial(df=str(df.head().to_markdown())) - else: - partial_prompt = prompt llm_chain = LLMChain( llm=llm, - prompt=partial_prompt, + prompt=prompt, callback_manager=callback_manager, ) tool_names = [tool.name for tool in tools] diff --git a/langchain/agents/agent_toolkits/pandas/prompt.py b/langchain/agents/agent_toolkits/pandas/prompt.py index 7988c61f..af9f38c3 100644 --- a/langchain/agents/agent_toolkits/pandas/prompt.py +++ b/langchain/agents/agent_toolkits/pandas/prompt.py @@ -4,6 +4,10 @@ PREFIX = """ You are working with a pandas dataframe in Python. The name of the dataframe is `df`. You should use the tools below to answer the question posed of you:""" +MULTI_DF_PREFIX = """ +You are working with {num_dfs} pandas dataframes in Python named df1, df2, etc. You +should use the tools below to answer the question posed of you:""" + SUFFIX_NO_DF = """ Begin! Question: {input} @@ -11,7 +15,15 @@ Question: {input} SUFFIX_WITH_DF = """ This is the result of `print(df.head())`: -{df} +{df_head} + +Begin! +Question: {input} +{agent_scratchpad}""" + +SUFFIX_WITH_MULTI_DF = """ +This is the result of `print(df.head())` for each dataframe: +{dfs_head} Begin! Question: {input} diff --git a/tests/integration_tests/agent/test_csv_agent.py b/tests/integration_tests/agent/test_csv_agent.py new file mode 100644 index 00000000..c45607e5 --- /dev/null +++ b/tests/integration_tests/agent/test_csv_agent.py @@ -0,0 +1,57 @@ +import re + +import numpy as np +import pytest +from _pytest.tmpdir import TempPathFactory +from pandas import DataFrame + +from langchain.agents import create_csv_agent +from langchain.agents.agent import AgentExecutor +from langchain.llms import OpenAI + + +@pytest.fixture(scope="module") +def csv(tmp_path_factory: TempPathFactory) -> DataFrame: + random_data = np.random.rand(4, 4) + df = DataFrame(random_data, columns=["name", "age", "food", "sport"]) + filename = str(tmp_path_factory.mktemp("data") / "test.csv") + df.to_csv(filename) + return filename + + +@pytest.fixture(scope="module") +def csv_list(tmp_path_factory: TempPathFactory) -> DataFrame: + random_data = np.random.rand(4, 4) + df1 = DataFrame(random_data, columns=["name", "age", "food", "sport"]) + filename1 = str(tmp_path_factory.mktemp("data") / "test1.csv") + df1.to_csv(filename1) + + random_data = np.random.rand(2, 2) + df2 = DataFrame(random_data, columns=["name", "height"]) + filename2 = str(tmp_path_factory.mktemp("data") / "test2.csv") + df2.to_csv(filename2) + + return [filename1, filename2] + + +def test_csv_agent_creation(csv: str) -> None: + agent = create_csv_agent(OpenAI(temperature=0), csv) + assert isinstance(agent, AgentExecutor) + + +def test_single_csv(csv: str) -> None: + agent = create_csv_agent(OpenAI(temperature=0), csv) + assert isinstance(agent, AgentExecutor) + response = agent.run("How many rows in the csv? Give me a number.") + result = re.search(r".*(4).*", response) + assert result is not None + assert result.group(1) is not None + + +def test_multi_csv(csv_list: list) -> None: + agent = create_csv_agent(OpenAI(temperature=0), csv_list, verbose=True) + assert isinstance(agent, AgentExecutor) + response = agent.run("How many combined rows in the two csvs? Give me a number.") + result = re.search(r".*(6).*", response) + assert result is not None + assert result.group(1) is not None diff --git a/tests/integration_tests/agent/test_pandas_agent.py b/tests/integration_tests/agent/test_pandas_agent.py index 9fd545e2..5ddc84c6 100644 --- a/tests/integration_tests/agent/test_pandas_agent.py +++ b/tests/integration_tests/agent/test_pandas_agent.py @@ -16,6 +16,17 @@ def df() -> DataFrame: return df +# Figure out type hint here +@pytest.fixture(scope="module") +def df_list() -> list: + random_data = np.random.rand(4, 4) + df1 = DataFrame(random_data, columns=["name", "age", "food", "sport"]) + random_data = np.random.rand(2, 2) + df2 = DataFrame(random_data, columns=["name", "height"]) + df_list = [df1, df2] + return df_list + + def test_pandas_agent_creation(df: DataFrame) -> None: agent = create_pandas_dataframe_agent(OpenAI(temperature=0), df) assert isinstance(agent, AgentExecutor) @@ -28,3 +39,32 @@ def test_data_reading(df: DataFrame) -> None: result = re.search(rf".*({df.shape[0]}).*", response) assert result is not None assert result.group(1) is not None + + +def test_data_reading_no_df_in_prompt(df: DataFrame) -> None: + agent = create_pandas_dataframe_agent( + OpenAI(temperature=0), df, include_df_in_prompt=False + ) + assert isinstance(agent, AgentExecutor) + response = agent.run("how many rows in df? Give me a number.") + result = re.search(rf".*({df.shape[0]}).*", response) + assert result is not None + assert result.group(1) is not None + + +def test_multi_df(df_list: list) -> None: + agent = create_pandas_dataframe_agent(OpenAI(temperature=0), df_list, verbose=True) + response = agent.run("how many total rows in the two dataframes? Give me a number.") + result = re.search(r".*(6).*", response) + assert result is not None + assert result.group(1) is not None + + +def test_multi_df_no_df_in_prompt(df_list: list) -> None: + agent = create_pandas_dataframe_agent( + OpenAI(temperature=0), df_list, include_df_in_prompt=False + ) + response = agent.run("how many total rows in the two dataframes? Give me a number.") + result = re.search(r".*(6).*", response) + assert result is not None + assert result.group(1) is not None