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langchain/langchain/document_loaders/airbyte_json.py

42 lines
1.2 KiB
Python

"""Loader that loads local airbyte json files."""
import json
from typing import Any, List
from langchain.docstore.document import Document
from langchain.document_loaders.base import BaseLoader
def _stringify_value(val: Any) -> str:
if isinstance(val, str):
return val
elif isinstance(val, dict):
return "\n" + _stringify_dict(val)
elif isinstance(val, list):
return "\n".join(_stringify_value(v) for v in val)
else:
return str(val)
def _stringify_dict(data: dict) -> str:
text = ""
for key, value in data.items():
text += key + ": " + _stringify_value(data[key]) + "\n"
return text
class AirbyteJSONLoader(BaseLoader):
"""Loader that loads local airbyte json files."""
def __init__(self, file_path: str):
"""Initialize with file path. This should start with '/tmp/airbyte_local/'."""
self.file_path = file_path
def load(self) -> List[Document]:
"""Load file."""
text = ""
for line in open(self.file_path, "r"):
data = json.loads(line)["_airbyte_data"]
text += _stringify_dict(data)
metadata = {"source": self.file_path}
return [Document(page_content=text, metadata=metadata)]