mirror of https://github.com/hwchase17/langchain
Harrison/airbyte (#989)
Co-authored-by: zanderchase <zanderchase@gmail.com> Co-authored-by: Harrison Chase <harrisonchase@Harrisons-MacBook-Pro.local>pull/890/head^2
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"""Loader that loads local airbyte json files."""
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import json
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from typing import Any, List
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from langchain.docstore.document import Document
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from langchain.document_loaders.base import BaseLoader
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def _stringify_value(val: Any) -> str:
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if isinstance(val, str):
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return val
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elif isinstance(val, dict):
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return "\n" + _stringify_dict(val)
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elif isinstance(val, list):
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return "\n".join(_stringify_value(v) for v in val)
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else:
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return str(val)
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def _stringify_dict(data: dict) -> str:
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text = ""
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for key, value in data.items():
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text += key + ": " + _stringify_value(data[key]) + "\n"
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return text
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class AirbyteJSONLoader(BaseLoader):
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"""Loader that loads local airbyte json files."""
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def __init__(self, file_path: str):
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"""Initialize with file path. This should start with '/tmp/airbyte_local/'."""
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self.file_path = file_path
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def load(self) -> List[Document]:
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"""Load file."""
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text = ""
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for line in open(self.file_path, "r"):
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data = json.loads(line)["_airbyte_data"]
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text += _stringify_dict(data)
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metadata = {"source": self.file_path}
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return [Document(page_content=text, metadata=metadata)]
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