Declare some methods static

Some methods are actually static, so declare them as such.

Change-Id: Ic76fd10e2d043bdbe5bdca48d82a341454c1a7d4

2 files changed, 6 insertions, 3 deletions

diff --git a/oslo_middleware/base.py b/oslo_middleware/base.py
index ca998f7..9ccba66 100644
--- a/oslo_middleware/base.py
+++ b/oslo_middleware/base.py
@@ -35,7 +35,8 @@ class Middleware(object):
     def __init__(self, application):
         self.application = application
 
-    def process_request(self, req):
+    @staticmethod
+    def process_request(req):
         """Called on each request.
 
         If this returns None, the next application down the stack will be
@@ -44,7 +45,8 @@ class Middleware(object):
         """
         return None
 
-    def process_response(self, response, request=None):
+    @staticmethod
+    def process_response(response, request=None):
         """Do whatever you'd like to the response."""
         return response
 
diff --git a/oslo_middleware/cors.py b/oslo_middleware/cors.py
index 8ea6a88..9b2cc93 100644
--- a/oslo_middleware/cors.py
+++ b/oslo_middleware/cors.py
@@ -201,7 +201,8 @@ class CORS(base.Middleware):
         # Finally, return the response.
         return response
 
-    def _split_header_values(self, request, header_name):
+    @staticmethod
+    def _split_header_values(request, header_name):
         """Convert a comma-separated header value into a list of values."""
         values = []
         if header_name in request.headers: