fix: 添加 pymysql 配置 (#1617)

apiserver/paasng/paasng/settings/__init__.py

@@ -47,6 +47,7 @@
 from pathlib import Path
 from typing import Any, Dict, List, Optional
 
+import pymysql
 from bkpaas_auth.core.constants import ProviderType
 from django.contrib import messages
 from django.utils.encoding import force_bytes, force_str
@@ -84,6 +85,10 @@
 
 _notset = object()
 
+pymysql.install_as_MySQLdb()
+# Patch version info to forcely pass Django client check
+setattr(pymysql, "version_info", (1, 4, 2, "final", 0))
+
 # 蓝鲸数据库内容加密私钥
 # 使用 `from cryptography.fernet import Fernet; Fernet.generate_key()` 生成随机秘钥
 # 详情查看：https://cryptography.io/en/latest/fernet/