mirror of
https://github.com/open-webui/open-webui
synced 2025-06-23 02:16:52 +00:00
80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
import requests
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import logging, os
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from typing import Iterator, List, Union
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from langchain_core.document_loaders import BaseLoader
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from langchain_core.documents import Document
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from open_webui.env import SRC_LOG_LEVELS
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log = logging.getLogger(__name__)
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log.setLevel(SRC_LOG_LEVELS["RAG"])
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class ExternalDocumentLoader(BaseLoader):
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def __init__(
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self,
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file_path,
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url: str,
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api_key: str,
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mime_type=None,
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**kwargs,
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) -> None:
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self.url = url
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self.api_key = api_key
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self.file_path = file_path
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self.mime_type = mime_type
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def load(self) -> List[Document]:
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with open(self.file_path, "rb") as f:
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data = f.read()
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headers = {}
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if self.mime_type is not None:
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headers["Content-Type"] = self.mime_type
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if self.api_key is not None:
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headers["Authorization"] = f"Bearer {self.api_key}"
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try:
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headers["X-Filename"] = os.path.basename(self.file_path)
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except:
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pass
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url = self.url
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if url.endswith("/"):
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url = url[:-1]
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try:
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response = requests.put(f"{url}/process", data=data, headers=headers)
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except Exception as e:
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log.error(f"Error connecting to endpoint: {e}")
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raise Exception(f"Error connecting to endpoint: {e}")
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if response.ok:
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response_data = response.json()
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if response_data:
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if isinstance(response_data, dict):
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return [
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Document(
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page_content=response_data.get("page_content"),
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metadata=response_data.get("metadata"),
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)
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]
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elif isinstance(response_data, list):
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documents = []
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for document in response_data:
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documents.append(Document(
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page_content=document.get("page_content"),
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metadata=document.get("metadata"),
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))
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return documents
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else:
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raise Exception("Error loading document: Unable to parse content")
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else:
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raise Exception("Error loading document: No content returned")
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else:
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raise Exception(f"Error loading document: {response.status_code} {response.text}")
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