From ce9b9baba16799041e6a4e819eef894ae9ff516d Mon Sep 17 00:00:00 2001
From: Chris McDonough <chrism@plope.com>
Date: Sat, 28 May 2011 20:08:25 -0400
Subject: move is_response back to pyramid.view

---
 pyramid/exceptions.py | 17 +----------------
 pyramid/view.py       | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/pyramid/exceptions.py b/pyramid/exceptions.py
index 354679a22..8705ed1fb 100644
--- a/pyramid/exceptions.py
+++ b/pyramid/exceptions.py
@@ -1078,21 +1078,6 @@ def redirect(url, code=302, **kw):
     exc = status_map[code]
     raise exc(location=url, **kw).exception
 
-def is_response(ob):
-    """ Return ``True`` if ``ob`` implements the interface implied by
-    :ref:`the_response`. ``False`` if not.
-
-    .. note:: This isn't a true interface or subclass check.  Instead, it's a
-        duck-typing check, as response objects are not obligated to be of a
-        particular class or provide any particular Zope interface."""
-
-    # response objects aren't obligated to implement a Zope interface,
-    # so we do it the hard way
-    if ( hasattr(ob, 'app_iter') and hasattr(ob, 'headerlist') and
-         hasattr(ob, 'status') ):
-        return True
-    return False
-
 def default_exceptionresponse_view(context, request):
     if not isinstance(context, Exception):
         # backwards compat for an exception response view registered via
@@ -1103,5 +1088,5 @@ def default_exceptionresponse_view(context, request):
     return context
 
 __all__.extend(['NotFound', 'Forbidden', 'PredicateMismatch', 'URLDecodeError',
-                'ConfigurationError', 'abort', 'redirect', 'is_response',
+                'ConfigurationError', 'abort', 'redirect',
                 'default_exceptionresponse_view'])
diff --git a/pyramid/view.py b/pyramid/view.py
index d6b666cf2..975464124 100644
--- a/pyramid/view.py
+++ b/pyramid/view.py
@@ -10,7 +10,6 @@ from pyramid.interfaces import IViewClassifier
 
 from pyramid.exceptions import HTTPFound
 from pyramid.exceptions import default_exceptionresponse_view
-from pyramid.exceptions import is_response # API
 from pyramid.renderers import RendererHelper
 from pyramid.static import static_view
 from pyramid.threadlocal import get_current_registry
@@ -312,4 +311,18 @@ See also :ref:`changing_the_notfound_view`.
 
 """
 
+def is_response(ob):
+    """ Return ``True`` if ``ob`` implements the interface implied by
+    :ref:`the_response`. ``False`` if not.
+
+    .. note:: This isn't a true interface or subclass check.  Instead, it's a
+        duck-typing check, as response objects are not obligated to be of a
+        particular class or provide any particular Zope interface."""
+
+    # response objects aren't obligated to implement a Zope interface,
+    # so we do it the hard way
+    if ( hasattr(ob, 'app_iter') and hasattr(ob, 'headerlist') and
+         hasattr(ob, 'status') ):
+        return True
+    return False
 
-- 
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