mirror of
https://github.com/hwchase17/langchain
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d77e60a7f4
Thank you for contributing to LangChain!
- [x] **PR title**: "community: updated Browserbase loader"
- [x] **PR message**:
Updates the Browserbase loader with more options and improved docs.
- [x] **Lint and test**: Run `make format`, `make lint` and `make test`
from the root of the package(s) you've modified. See contribution
guidelines for more: https://python.langchain.com/docs/contributing/
54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
from typing import Iterator, Optional, Sequence
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from langchain_core.documents import Document
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from langchain_community.document_loaders.base import BaseLoader
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class BrowserbaseLoader(BaseLoader):
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"""Load pre-rendered web pages using a headless browser hosted on Browserbase.
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Depends on `browserbase` package.
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Get your API key from https://browserbase.com
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"""
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def __init__(
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self,
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urls: Sequence[str],
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text_content: bool = False,
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api_key: Optional[str] = None,
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project_id: Optional[str] = None,
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session_id: Optional[str] = None,
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proxy: Optional[bool] = None,
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):
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self.urls = urls
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self.text_content = text_content
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self.session_id = session_id
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self.proxy = proxy
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try:
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from browserbase import Browserbase
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except ImportError:
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raise ImportError(
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"You must run "
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"`pip install --upgrade "
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"browserbase` "
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"to use the Browserbase loader."
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)
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self.browserbase = Browserbase(api_key, project_id)
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def lazy_load(self) -> Iterator[Document]:
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"""Load pages from URLs"""
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pages = self.browserbase.load_urls(
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self.urls, self.text_content, self.session_id, self.proxy
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)
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for i, page in enumerate(pages):
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yield Document(
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page_content=page,
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metadata={
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"url": self.urls[i],
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},
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)
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