更改enroll命名,添加了注释,向get_error_msg中添加了一些错误代码

venv/Lib/site-packages/setuptools/command/install.py

@@ -91,21 +91,14 @@ class install(orig.install):
                 msg = "For best results, pass -X:Frames to enable call stack."
                 warnings.warn(msg)
             return True
-
-        frames = inspect.getouterframes(run_frame)
-        for frame in frames[2:4]:
-            caller, = frame[:1]
-            info = inspect.getframeinfo(caller)
-            caller_module = caller.f_globals.get('__name__', '')
-
-            if caller_module == "setuptools.dist" and info.function == "run_command":
-                # Starting from v61.0.0 setuptools overwrites dist.run_command
-                continue
-
-            return (
-                caller_module == 'distutils.dist'
-                and info.function == 'run_commands'
-            )
+        res = inspect.getouterframes(run_frame)[2]
+        caller, = res[:1]
+        info = inspect.getframeinfo(caller)
+        caller_module = caller.f_globals.get('__name__', '')
+        return (
+            caller_module == 'distutils.dist'
+            and info.function == 'run_commands'
+        )
 
     def do_egg_install(self):