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https://github.com/hwchase17/langchain
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7652d2abb0
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 <hw.chase.17@gmail.com>
58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
import re
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import numpy as np
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import pytest
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from _pytest.tmpdir import TempPathFactory
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from pandas import DataFrame
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from langchain.agents import create_csv_agent
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from langchain.agents.agent import AgentExecutor
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from langchain.llms import OpenAI
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@pytest.fixture(scope="module")
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def csv(tmp_path_factory: TempPathFactory) -> DataFrame:
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random_data = np.random.rand(4, 4)
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df = DataFrame(random_data, columns=["name", "age", "food", "sport"])
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filename = str(tmp_path_factory.mktemp("data") / "test.csv")
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df.to_csv(filename)
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return filename
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@pytest.fixture(scope="module")
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def csv_list(tmp_path_factory: TempPathFactory) -> DataFrame:
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random_data = np.random.rand(4, 4)
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df1 = DataFrame(random_data, columns=["name", "age", "food", "sport"])
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filename1 = str(tmp_path_factory.mktemp("data") / "test1.csv")
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df1.to_csv(filename1)
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random_data = np.random.rand(2, 2)
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df2 = DataFrame(random_data, columns=["name", "height"])
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filename2 = str(tmp_path_factory.mktemp("data") / "test2.csv")
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df2.to_csv(filename2)
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return [filename1, filename2]
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def test_csv_agent_creation(csv: str) -> None:
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agent = create_csv_agent(OpenAI(temperature=0), csv)
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assert isinstance(agent, AgentExecutor)
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def test_single_csv(csv: str) -> None:
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agent = create_csv_agent(OpenAI(temperature=0), csv)
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assert isinstance(agent, AgentExecutor)
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response = agent.run("How many rows in the csv? Give me a number.")
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result = re.search(r".*(4).*", response)
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assert result is not None
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assert result.group(1) is not None
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def test_multi_csv(csv_list: list) -> None:
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agent = create_csv_agent(OpenAI(temperature=0), csv_list, verbose=True)
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assert isinstance(agent, AgentExecutor)
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response = agent.run("How many combined rows in the two csvs? Give me a number.")
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result = re.search(r".*(6).*", response)
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assert result is not None
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assert result.group(1) is not None
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