Move files out of the namespace package0.3.0

Move the public API out of oslo.middleware to oslo_middleware. Retain
the ability to import from the old namespace package for backwards
compatibility for this release cycle.

bp/drop-namespace-packages

Change-Id: If88c65c82b64f096a02f7ec62e019aea4de2f9d3

1 files changed, 60 insertions, 0 deletions

diff --git a/oslo_middleware/debug.py b/oslo_middleware/debug.py
new file mode 100644
index 0000000..bdbf539
--- /dev/null
+++ b/oslo_middleware/debug.py
@@ -0,0 +1,60 @@
+# Copyright 2011 OpenStack Foundation.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+"""Debug middleware"""
+
+from __future__ import print_function
+
+import sys
+
+import six
+import webob.dec
+
+from oslo_middleware import base
+
+
+class Debug(base.Middleware):
+    """Helper class that returns debug information.
+
+    Can be inserted into any WSGI application chain to get information about
+    the request and response.
+    """
+
+    @webob.dec.wsgify
+    def __call__(self, req):
+        print(("*" * 40) + " REQUEST ENVIRON")
+        for key, value in req.environ.items():
+            print(key, "=", value)
+        print()
+        resp = req.get_response(self.application)
+
+        print(("*" * 40) + " RESPONSE HEADERS")
+        for (key, value) in six.iteritems(resp.headers):
+            print(key, "=", value)
+        print()
+
+        resp.app_iter = self.print_generator(resp.app_iter)
+
+        return resp
+
+    @staticmethod
+    def print_generator(app_iter):
+        """Prints the contents of a wrapper string iterator when iterated."""
+        print(("*" * 40) + " BODY")
+        for part in app_iter:
+            sys.stdout.write(part)
+            sys.stdout.flush()
+            yield part
+        print()