feat: 初始提交 - 科创企业特有风险的识别与管理 (数智风控系统)

collectors/entity_list_collector.py

@@ -0,0 +1,84 @@
+# -*- coding: utf-8 -*-
+"""
+BIS 实体清单采集与匹配模块
+支持企业名模糊匹配 + 别名映射 + 供应链上游穿透
+"""
+import json
+import logging
+from pathlib import Path
+from typing import Optional
+
+logger = logging.getLogger(__name__)
+
+DATA_DIR = Path(__file__).parent.parent / "data"
+
+
+def _load_entity_list() -> list:
+    """加载实体清单数据"""
+    filepath = DATA_DIR / "entity_list.json"
+    with open(filepath, "r", encoding="utf-8") as f:
+        return json.load(f)
+
+
+def check_entity_list(company_name: str) -> dict:
+    """
+    检查企业是否在 BIS 实体清单中
+    支持模糊匹配和别名匹配
+    """
+    entities = _load_entity_list()
+    result = {
+        "is_sanctioned": False,
+        "match_type": None,
+        "entity_detail": None,
+        "supply_chain_risk": [],  # 供应链上游被制裁的情况
+    }
+
+    for entity in entities:
+        # 精确匹配
+        if company_name in entity["entity_name"]:
+            result["is_sanctioned"] = True
+            result["match_type"] = "直接命中"
+            result["entity_detail"] = entity
+            return result
+
+        # 别名匹配
+        for alias in entity.get("aliases", []):
+            if company_name in alias or alias in company_name:
+                result["is_sanctioned"] = True
+                result["match_type"] = "别名命中"
+                result["entity_detail"] = entity
+                return result
+
+    return result
+
+
+def check_supply_chain_sanctions(company_name: str, suppliers: list) -> list:
+    """
+    检查企业供应链上游是否有被制裁的实体
+    返回受制裁的供应商列表
+    """
+    sanctioned_suppliers = []
+    entities = _load_entity_list()
+
+    for supplier in suppliers:
+        # 清洗供应商名称（去掉括号中的说明文字）
+        clean_name = supplier.split("（")[0].split("(")[0].strip()
+
+        for entity in entities:
+            all_names = [entity["entity_name"]] + entity.get("aliases", [])
+            for name in all_names:
+                if clean_name in name or name in clean_name:
+                    sanctioned_suppliers.append({
+                        "supplier": supplier,
+                        "matched_entity": entity["entity_name"],
+                        "restrictions": entity["restrictions"],
+                        "date_added": entity["date_added"],
+                    })
+                    break
+
+    return sanctioned_suppliers
+
+
+def get_all_sanctioned_entities() -> list:
+    """获取所有被制裁实体列表"""
+    return _load_entity_list()