mirror of
https://github.com/hwchase17/langchain.git
synced 2025-11-21 22:49:39 +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()
```
147 lines
4.3 KiB
Python
147 lines
4.3 KiB
Python
"""Util that calls DuckDuckGo Search.
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No setup required. Free.
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https://pypi.org/project/duckduckgo-search/
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"""
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from typing import Dict, List, Optional
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from langchain_core.pydantic_v1 import BaseModel, Extra, root_validator
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class DuckDuckGoSearchAPIWrapper(BaseModel):
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"""Wrapper for DuckDuckGo Search API.
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Free and does not require any setup.
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"""
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region: Optional[str] = "wt-wt"
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"""
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See https://pypi.org/project/duckduckgo-search/#regions
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"""
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safesearch: str = "moderate"
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"""
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Options: strict, moderate, off
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"""
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time: Optional[str] = "y"
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"""
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Options: d, w, m, y
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"""
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max_results: int = 5
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backend: str = "api"
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"""
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Options: api, html, lite
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"""
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source: str = "text"
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"""
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Options: text, news
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"""
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class Config:
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"""Configuration for this pydantic object."""
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extra = Extra.forbid
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@root_validator(pre=True)
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def validate_environment(cls, values: Dict) -> Dict:
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"""Validate that python package exists in environment."""
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try:
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from duckduckgo_search import DDGS # noqa: F401
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except ImportError:
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raise ImportError(
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"Could not import duckduckgo-search python package. "
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"Please install it with `pip install -U duckduckgo-search`."
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)
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return values
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def _ddgs_text(
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self, query: str, max_results: Optional[int] = None
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) -> List[Dict[str, str]]:
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"""Run query through DuckDuckGo text search and return results."""
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from duckduckgo_search import DDGS
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with DDGS() as ddgs:
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ddgs_gen = ddgs.text(
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query,
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region=self.region,
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safesearch=self.safesearch,
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timelimit=self.time,
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max_results=max_results or self.max_results,
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backend=self.backend,
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)
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if ddgs_gen:
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return [r for r in ddgs_gen]
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return []
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def _ddgs_news(
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self, query: str, max_results: Optional[int] = None
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) -> List[Dict[str, str]]:
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"""Run query through DuckDuckGo news search and return results."""
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from duckduckgo_search import DDGS
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with DDGS() as ddgs:
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ddgs_gen = ddgs.news(
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query,
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region=self.region,
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safesearch=self.safesearch,
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timelimit=self.time,
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max_results=max_results or self.max_results,
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)
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if ddgs_gen:
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return [r for r in ddgs_gen]
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return []
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def run(self, query: str) -> str:
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"""Run query through DuckDuckGo and return concatenated results."""
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if self.source == "text":
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results = self._ddgs_text(query)
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elif self.source == "news":
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results = self._ddgs_news(query)
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else:
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results = []
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if not results:
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return "No good DuckDuckGo Search Result was found"
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return " ".join(r["body"] for r in results)
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def results(
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self, query: str, max_results: int, source: Optional[str] = None
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) -> List[Dict[str, str]]:
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"""Run query through DuckDuckGo and return metadata.
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Args:
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query: The query to search for.
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max_results: The number of results to return.
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source: The source to look from.
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Returns:
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A list of dictionaries with the following keys:
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snippet - The description of the result.
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title - The title of the result.
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link - The link to the result.
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"""
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source = source or self.source
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if source == "text":
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results = [
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{"snippet": r["body"], "title": r["title"], "link": r["href"]}
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for r in self._ddgs_text(query, max_results=max_results)
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]
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elif source == "news":
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results = [
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{
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"snippet": r["body"],
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"title": r["title"],
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"link": r["url"],
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"date": r["date"],
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"source": r["source"],
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}
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for r in self._ddgs_news(query, max_results=max_results)
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]
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else:
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results = []
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if results is None:
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results = [{"Result": "No good DuckDuckGo Search Result was found"}]
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return results
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