更新 'src/DjangoBlog-master/manage.py'

src/DjangoBlog-master/manage.py

@@ -1,22 +1,23 @@
-#!/usr/bin/env python
-import os
-import sys
+#!/usr/bin/env python  # 使用Python解释器执行
+import os  # 导入操作系统接口模块
+import sys  # 导入系统相关参数和函数
 
-if __name__ == "__main__":
-    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "djangoblog.settings")
+if __name__ == "__main__":  # 主程序入口
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "djangoblog.settings")  # 设置Django配置模块环境变量
     try:
-        from django.core.management import execute_from_command_line
-    except ImportError:
+        from django.core.management import execute_from_command_line  # 导入Django命令行执行函数
+    except ImportError:  # 处理导入错误
         # The above import may fail for some other reason. Ensure that the
         # issue is really that Django is missing to avoid masking other
         # exceptions on Python 2.
+        # 上面的导入可能因其他原因失败。确保问题确实是Django缺失，以避免掩盖Python 2上的其他异常。
         try:
-            import django
-        except ImportError:
-            raise ImportError(
+            import django  # 尝试导入Django
+        except ImportError:  # 如果Django导入失败
+            raise ImportError(  # 抛出导入错误
                 "Couldn't import Django. Are you sure it's installed and "
                 "available on your PYTHONPATH environment variable? Did you "
-                "forget to activate a virtual environment?"
+                "forget to activate a virtual environment?"  # 提示Django未安装或虚拟环境未激活
             )
-        raise
-    execute_from_command_line(sys.argv)
+        raise  # 重新抛出其他异常
+    execute_from_command_line(sys.argv)  # 执行Django命令行命令