Source code for langchain_community.document_loaders.open_city_data

from typing import Iterator

from langchain_core.documents import Document

from langchain_community.document_loaders.base import BaseLoader

[docs]class OpenCityDataLoader(BaseLoader): """Load from `Open City`."""
[docs] def __init__(self, city_id: str, dataset_id: str, limit: int): """Initialize with dataset_id. Example: e.g., city_id = e.g., dataset_id = vw6y-z8j6 Args: city_id: The Open City city identifier. dataset_id: The Open City dataset identifier. limit: The maximum number of documents to load. """ self.city_id = city_id self.dataset_id = dataset_id self.limit = limit
[docs] def lazy_load(self) -> Iterator[Document]: """Lazy load records.""" from sodapy import Socrata client = Socrata(self.city_id, None) results = client.get(self.dataset_id, limit=self.limit) for record in results: yield Document( page_content=str(record), metadata={ "source": self.city_id + "_" + self.dataset_id, }, )