Limit the scope of deprecation of the upload_docs command.

CHANGES.rst

+v36.1.0
+-------
+
+* Removed deprecation of and restored support for
+  ``upload_docs`` command for sites other than PyPI.
+  Only warehouse is dropping support, but services like
+  `devpi <http://doc.devpi.net/latest/>`_ continue to
+  support docs built by setuptools' plugins. See
+  `this comment <https://bitbucket.org/hpk42/devpi/issues/388/support-rtd-model-for-building-uploading#comment-34292423>`_
+  for more context on the motivation for this change.
+
 v36.0.1
 -------
 

setuptools/command/upload_docs.py

@@ -57,7 +57,6 @@ class upload_docs(upload):
         self.target_dir = None
 
     def finalize_options(self):
-        log.warn("Upload_docs command is deprecated. Use RTD instead.")
         upload.finalize_options(self)
         if self.upload_dir is None:
             if self.has_sphinx():
@@ -69,6 +68,8 @@ class upload_docs(upload):
         else:
             self.ensure_dirname('upload_dir')
             self.target_dir = self.upload_dir
+        if 'pypi.python.org' in self.repository:
+            log.warn("Upload_docs command is deprecated. Use RTD instead.")
         self.announce('Using upload directory %s' % self.target_dir)
 
     def create_zipfile(self, filename):