fix setup.py

Author: huiguangjun

setup.py

@@ -1,8 +1,9 @@
 """
 setup module for Alibaba Cloud OSS SDK V2.
 """
-
-import os
+import re
+import os.path
+from io import open
 from setuptools import setup, find_packages
 
 PACKAGE_NAME = "alibabacloud-oss-v2"
@@ -11,13 +12,15 @@
 AUTHOR = "Alibaba Cloud OSS SDK"
 AUTHOR_EMAIL = "sdk-team@alibabacloud.com"
 URL = "https://github.com/aliyun/alibabacloud-oss-python-sdk-v2"
-VERSION = __import__(PACKAGE_FOLDER_PATH).__version__
 REQUIRES = [
     "requests>=2.18.4",
     "cryptography>=2.1.4",
     "crcmod-plus>=2.1.0"
 ]
 
+with open(os.path.join(PACKAGE_FOLDER_PATH, "_version.py"), "r") as fd:  
+    VERSION = re.search(r'^VERSION\s*=\s*[\'"]([^\'"]*)[\'"]', fd.read(), re.MULTILINE).group(1) # type: ignore
+
 if not VERSION:
     raise RuntimeError('Cannot find version information')
 
@@ -52,6 +55,6 @@
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
-        'License :: OSI Approved :: Apache License 2.0',
+        "License :: OSI Approved :: Apache Software License",
     )
 )