Mark msvc*compiler modules as deprecated.

Author: jaraco

distutils/msvc9compiler.py

@@ -16,6 +16,7 @@
 import subprocess
 import sys
 import re
+import warnings
 
 from distutils.errors import (
     DistutilsExecError,
@@ -30,6 +31,13 @@
 
 import winreg
 
+warnings.warn(
+    "msvc9compiler is deprecated and slated to be removed "
+    "in the future. Please discontinue use or file an issue "
+    "with pypa/distutils describing your use case.",
+    DeprecationWarning,
+)
+
 RegOpenKeyEx = winreg.OpenKeyEx
 RegEnumKey = winreg.EnumKey
 RegEnumValue = winreg.EnumValue

distutils/msvccompiler.py

@@ -10,6 +10,7 @@
 
 import sys
 import os
+import warnings
 from distutils.errors import (
     DistutilsExecError,
     DistutilsPlatformError,
@@ -62,6 +63,14 @@
     )
 
 
+warnings.warn(
+    "msvccompiler is deprecated and slated to be removed "
+    "in the future. Please discontinue use or file an issue "
+    "with pypa/distutils describing your use case.",
+    DeprecationWarning,
+)
+
+
 def read_keys(base, key):
     """Return list of registry keys."""
     try: