feature: add external pdf extract operator by using mineru (#36)

* feature: add UnstructuredFormatter

* feature: add UnstructuredFormatter in db

* feature: add unstructured[docx]==0.18.15

* feature: support doc

* feature: add mineru

* feature: add external pdf extract operator by using mineru

* feature: mineru docker install bugfix

---------

Co-authored-by: Startalker <438747480@qq.com>

runtime/python-executor/datamate/common/utils/rest_client.py

@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+import requests
+from typing import Optional, Dict, Any
+
+from starlette.responses import JSONResponse
+
+
+def http_request(method: str, url: str, data: Optional[Dict[str, Any]] = None):
+	"""
+	通用HTTP请求方法
+
+	Args:
+		method: 请求方法 ('GET', 'POST', 'PUT', 'DELETE', 'PATCH')
+		url: 请求URL
+		data: 请求数据（JSON格式）
+
+	Returns: 格式化响应体
+
+	Raises:
+		requests.exceptions.RequestException: 请求异常
+		ValueError: 响应状态码错误
+	"""
+	success_codes = [200, 201, 202, 204]
+
+	# 设置默认请求头
+	headers = {"Content-Type": "application/json"}
+
+	method = method.upper()
+
+	try:
+		# 准备请求参数
+		request_kwargs = {"url": url, "headers": headers}
+
+		# 根据请求方法添加数据
+		if data is not None:
+			if method in ["POST", "PUT", "DELETE"]:
+				request_kwargs["json"] = data
+			elif method == "GET":
+				request_kwargs["params"] = data
+
+		# 发送请求
+		response = requests.request(method, **request_kwargs)
+
+		# 检查响应状态码
+		if response.status_code not in success_codes:
+			raise ValueError(
+				f"Request failed! Status code: {response.status_code}, "
+				f"content: {response.text}, "
+				f"URL: {url}"
+			)
+		return response
+	except requests.exceptions.RequestException as e:
+		raise requests.exceptions.RequestException(f"Request exception: {str(e)}")