天氣
OpenWeatherMap 是一個開源天氣服務提供者
此載入器從 OpenWeatherMap 的 OneCall API 獲取天氣數據，使用 pyowm Python 套件。您必須使用您的 OpenWeatherMap API 令牌和您想要獲取天氣數據的城市名稱來初始化載入器。
from langchain_community.document_loaders import WeatherDataLoader
API 參考：WeatherDataLoader
%pip install --upgrade --quiet pyowm
# Set API key either by passing it in to constructor directly
# or by setting the environment variable "OPENWEATHERMAP_API_KEY".
from getpass import getpass
OPENWEATHERMAP_API_KEY = getpass()
loader = WeatherDataLoader.from_params(
["chennai", "vellore"], openweathermap_api_key=OPENWEATHERMAP_API_KEY
)
documents = loader.load()
documents