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langchain/libs/community/langchain_community/document_loaders/larksuite.py

79 lines
2.9 KiB
Python

import json
import urllib.request
from typing import Any, Iterator
from langchain_core.documents import Document
from langchain_community.document_loaders.base import BaseLoader
class LarkSuiteDocLoader(BaseLoader):
"""Load from `LarkSuite` (`FeiShu`)."""
def __init__(self, domain: str, access_token: str, document_id: str):
"""Initialize with domain, access_token (tenant / user), and document_id.
Args:
domain: The domain to load the LarkSuite.
access_token: The access_token to use.
document_id: The document_id to load.
"""
self.domain = domain
self.access_token = access_token
self.document_id = document_id
def _get_larksuite_api_json_data(self, api_url: str) -> Any:
"""Get LarkSuite (FeiShu) API response json data."""
headers = {"Authorization": f"Bearer {self.access_token}"}
request = urllib.request.Request(api_url, headers=headers)
with urllib.request.urlopen(request) as response:
json_data = json.loads(response.read().decode())
return json_data
def lazy_load(self) -> Iterator[Document]:
"""Lazy load LarkSuite (FeiShu) document."""
api_url_prefix = f"{self.domain}/open-apis/docx/v1/documents"
metadata_json = self._get_larksuite_api_json_data(
f"{api_url_prefix}/{self.document_id}"
)
raw_content_json = self._get_larksuite_api_json_data(
f"{api_url_prefix}/{self.document_id}/raw_content"
)
text = raw_content_json["data"]["content"]
metadata = {
"document_id": self.document_id,
"revision_id": metadata_json["data"]["document"]["revision_id"],
"title": metadata_json["data"]["document"]["title"],
}
yield Document(page_content=text, metadata=metadata)
class LarkSuiteWikiLoader(LarkSuiteDocLoader):
"""Load from `LarkSuite` (`FeiShu`) wiki."""
def __init__(self, domain: str, access_token: str, wiki_id: str):
"""Initialize with domain, access_token (tenant / user), and wiki_id.
Args:
domain: The domain to load the LarkSuite.
access_token: The access_token to use.
wiki_id: The wiki_id to load.
"""
self.domain = domain
self.access_token = access_token
self.wiki_id = wiki_id
self.document_id = ""
def lazy_load(self) -> Iterator[Document]:
"""Lazy load LarkSuite (FeiShu) wiki document."""
# convert Feishu wiki id to document id
if not self.document_id:
wiki_url_prefix = f"{self.domain}/open-apis/wiki/v2/spaces/get_node"
wiki_node_info_json = self._get_larksuite_api_json_data(
f"{wiki_url_prefix}?token={self.wiki_id}"
)
self.document_id = wiki_node_info_json["data"]["node"]["obj_token"]
yield from super().lazy_load()