Source code for langchain_community.tools.edenai.ocr_invoiceparser
from __future__ import annotations
import logging
from typing import Optional
from langchain_core.callbacks import CallbackManagerForToolRun
from langchain_community.tools.edenai.edenai_base_tool import EdenaiTool
logger = logging.getLogger(__name__)
[docs]class EdenAiParsingInvoiceTool(EdenaiTool):
"""查询Eden AI发票解析API的工具。
要使用,请设置环境变量``EDENAI_API_KEY``,并使用您的API令牌。您可以在此处找到您的令牌:https://app.edenai.run/admin/account/settings"""
name = "edenai_invoice_parsing"
description = (
"A wrapper around edenai Services invoice parsing. "
"""Useful for when you have to extract information from
an image it enables to take invoices
in a variety of formats and returns the data in contains
(items, prices, addresses, vendor name, etc.)
in a structured format to automate the invoice processing """
"Input should be the string url of the document to parse."
)
language: Optional[str] = None
"""传递给模型的图像的语言。"""
feature = "ocr"
subfeature = "invoice_parser"
def _parse_response(self, response: list) -> str:
formatted_list: list = []
if len(response) == 1:
self._parse_json_multilevel(
response[0]["extracted_data"][0], formatted_list
)
else:
for entry in response:
if entry.get("provider") == "eden-ai":
self._parse_json_multilevel(
entry["extracted_data"][0], formatted_list
)
return "\n".join(formatted_list)
def _run(
self,
query: str,
run_manager: Optional[CallbackManagerForToolRun] = None,
) -> str:
"""使用这个工具。"""
query_params = {
"file_url": query,
"language": self.language,
"attributes_as_list": False,
}
return self._call_eden_ai(query_params)