mirror of
https://github.com/hwchase17/langchain.git
synced 2025-11-23 17:06:54 +00:00
a0c2281540
```python
"""python scripts/update_mypy_ruff.py"""
import glob
import tomllib
from pathlib import Path
import toml
import subprocess
import re
ROOT_DIR = Path(__file__).parents[1]
def main():
for path in glob.glob(str(ROOT_DIR / "libs/**/pyproject.toml"), recursive=True):
print(path)
with open(path, "rb") as f:
pyproject = tomllib.load(f)
try:
pyproject["tool"]["poetry"]["group"]["typing"]["dependencies"]["mypy"] = (
"^1.10"
)
pyproject["tool"]["poetry"]["group"]["lint"]["dependencies"]["ruff"] = (
"^0.5"
)
except KeyError:
continue
with open(path, "w") as f:
toml.dump(pyproject, f)
cwd = "/".join(path.split("/")[:-1])
completed = subprocess.run(
"poetry lock --no-update; poetry install --with typing; poetry run mypy . --no-color",
cwd=cwd,
shell=True,
capture_output=True,
text=True,
)
logs = completed.stdout.split("\n")
to_ignore = {}
for l in logs:
if re.match("^(.*)\:(\d+)\: error:.*\[(.*)\]", l):
path, line_no, error_type = re.match(
"^(.*)\:(\d+)\: error:.*\[(.*)\]", l
).groups()
if (path, line_no) in to_ignore:
to_ignore[(path, line_no)].append(error_type)
else:
to_ignore[(path, line_no)] = [error_type]
print(len(to_ignore))
for (error_path, line_no), error_types in to_ignore.items():
all_errors = ", ".join(error_types)
full_path = f"{cwd}/{error_path}"
try:
with open(full_path, "r") as f:
file_lines = f.readlines()
except FileNotFoundError:
continue
file_lines[int(line_no) - 1] = (
file_lines[int(line_no) - 1][:-1] + f" # type: ignore[{all_errors}]\n"
)
with open(full_path, "w") as f:
f.write("".join(file_lines))
subprocess.run(
"poetry run ruff format .; poetry run ruff --select I --fix .",
cwd=cwd,
shell=True,
capture_output=True,
text=True,
)
if __name__ == "__main__":
main()
```
102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
"""Test tool utils."""
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import unittest
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from typing import Any, Type
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from unittest.mock import MagicMock, Mock
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import pytest
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from langchain.agents.agent import Agent
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from langchain.agents.chat.base import ChatAgent
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from langchain.agents.conversational.base import ConversationalAgent
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from langchain.agents.conversational_chat.base import ConversationalChatAgent
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from langchain.agents.mrkl.base import ZeroShotAgent
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from langchain.agents.react.base import ReActDocstoreAgent, ReActTextWorldAgent
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from langchain.agents.self_ask_with_search.base import SelfAskWithSearchAgent
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from langchain_core.tools import Tool, ToolException, tool
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from langchain_community.agent_toolkits.load_tools import load_tools
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from tests.unit_tests.callbacks.fake_callback_handler import FakeCallbackHandler
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@pytest.mark.parametrize(
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"agent_cls",
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[
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ZeroShotAgent,
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ChatAgent,
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ConversationalChatAgent,
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ConversationalAgent,
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ReActDocstoreAgent,
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ReActTextWorldAgent,
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SelfAskWithSearchAgent,
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],
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)
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def test_single_input_agent_raises_error_on_structured_tool(
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agent_cls: Type[Agent],
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) -> None:
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"""Test that older agents raise errors on older tools."""
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@tool
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def the_tool(foo: str, bar: str) -> str:
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"""Return the concat of foo and bar."""
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return foo + bar
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with pytest.raises(
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ValueError,
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match=f"{agent_cls.__name__} does not support" # type: ignore
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f" multi-input tool the_tool.",
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):
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agent_cls.from_llm_and_tools(MagicMock(), [the_tool]) # type: ignore
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def test_tool_no_args_specified_assumes_str() -> None:
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"""Older tools could assume *args and **kwargs were passed in."""
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def ambiguous_function(*args: Any, **kwargs: Any) -> str:
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"""An ambiguously defined function."""
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return args[0]
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some_tool = Tool(
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name="chain_run",
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description="Run the chain",
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func=ambiguous_function,
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)
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expected_args = {"tool_input": {"type": "string"}}
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assert some_tool.args == expected_args
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assert some_tool.run("foobar") == "foobar"
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assert some_tool.run({"tool_input": "foobar"}) == "foobar"
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with pytest.raises(ToolException, match="Too many arguments to single-input tool"):
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some_tool.run({"tool_input": "foobar", "other_input": "bar"})
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def test_load_tools_with_callback_manager_raises_deprecation_warning() -> None:
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"""Test load_tools raises a deprecation for old callback manager kwarg."""
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callback_manager = MagicMock()
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with pytest.warns(DeprecationWarning, match="callback_manager is deprecated"):
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tools = load_tools(
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["requests_get"],
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callback_manager=callback_manager,
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allow_dangerous_tools=True,
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)
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assert len(tools) == 1
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assert tools[0].callbacks == callback_manager
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def test_load_tools_with_callbacks_is_called() -> None:
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"""Test callbacks are called when provided to load_tools fn."""
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callbacks = [FakeCallbackHandler()]
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tools = load_tools(
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["requests_get"], # type: ignore
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callbacks=callbacks, # type: ignore
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allow_dangerous_tools=True,
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)
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assert len(tools) == 1
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# Patch the requests.get() method to return a mock response
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with unittest.mock.patch(
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"langchain.requests.TextRequestsWrapper.get",
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return_value=Mock(text="Hello world!"),
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):
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result = tools[0].run("https://www.google.com")
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assert result.text == "Hello world!"
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assert callbacks[0].tool_starts == 1
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assert callbacks[0].tool_ends == 1
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