解决requests和certifi组件不兼容python老版本问题

Author: yuniszhang

qcloud_cos/version.py

@@ -1 +1 @@
-__version__ = '5.1.9.18'
+__version__ = '5.1.9.19'

requirements.txt

@@ -1,5 +1,3 @@
-certifi<=2021.10.8;python_version<'3.0' # certifi新版本不支持python2，这里需要使用低版本
-requests>=2.8
 dicttoxml
 six
 crcmod

setup.py

@@ -1,11 +1,28 @@
+# -*- coding: utf-8 -*-
+
 from setuptools import setup, find_packages
 from platform import python_version_tuple
 import io
+import sys
 
 
 def requirements():
     with open('requirements.txt', 'r') as fileobj:
-        requirements = [line.strip() for line in fileobj]
+        requirements = []
+
+        # certifi2021.10.8之后的版本不再支持python2和python3.6之前的版本
+        if sys.version_info.major < 3 or \
+                (sys.version_info.major == 3 and sys.version_info.minor < 6):
+            requirements.append('certifi<=2021.10.8')
+
+        # requests2.27.1之后的版本不再支持python2和python3.7之前的版本
+        if sys.version_info.major < 3 or \
+                (sys.version_info.major == 3 and sys.version_info.minor < 7):
+            requirements.append('requests>=2.8,<=2.27.1')
+        else:
+            requirements.append('requests>=2.8')
+
+        requirements.extend([line.strip() for line in fileobj])
         return requirements
 
 
@@ -16,7 +33,7 @@ def long_description():
 
 setup(
     name='cos-python-sdk-v5',
-    version='1.9.18',
+    version='1.9.19',
     url='https://www.qcloud.com/',
     license='MIT',
     author='tiedu, lewzylu, channingliu',