From ab5d9071724628b66fee01598ceadca4cde46b72 Mon Sep 17 00:00:00 2001
From: Martin Zimmermann <info@posativ.org>
Date: Fri, 8 Nov 2013 19:00:01 +0100
Subject: [PATCH] move comments.requires to views package

---
 isso/views/__init__.py | 35 +++++++++++++++++++++++++++++++++++
 isso/views/comments.py | 22 ----------------------
 2 files changed, 35 insertions(+), 22 deletions(-)

diff --git a/isso/views/__init__.py b/isso/views/__init__.py
index e69de29..6031793 100644
--- a/isso/views/__init__.py
+++ b/isso/views/__init__.py
@@ -0,0 +1,35 @@
+# -*- encoding: utf-8 -*-
+
+from werkzeug.exceptions import BadRequest
+
+
+class requires:
+    """Verify that the request URL contains and can parse the parameter.
+
+    .. code-block:: python
+
+        @requires(int, "id")
+        def view(..., id):
+            assert isinstance(id, int)
+
+    Returns a 400 Bad Request that contains a specific error message.
+    """
+
+    def __init__(self, type, param):
+        self.param = param
+        self.type = type
+
+    def __call__(self, func):
+        def dec(app, env, req, *args, **kwargs):
+
+            if self.param not in req.args:
+                raise BadRequest("missing %s query" % self.param)
+
+            try:
+                kwargs[self.param] = self.type(req.args[self.param])
+            except TypeError:
+                raise BadRequest("invalid type for %s, expected %s" % (self.param, self.type))
+
+            return func(app, env, req, *args, **kwargs)
+
+        return dec
diff --git a/isso/views/comments.py b/isso/views/comments.py
index 9173e07..52a3f9c 100644
--- a/isso/views/comments.py
+++ b/isso/views/comments.py
@@ -26,28 +26,6 @@ FIELDS = set(['id', 'parent', 'text', 'author', 'website', 'email', 'mode',
               'created', 'modified', 'likes', 'dislikes', 'hash'])
 
 
-class requires:
-
-    def __init__(self, type, param):
-        self.param = param
-        self.type = type
-
-    def __call__(self, func):
-        def dec(app, env, req, *args, **kwargs):
-
-            if self.param not in req.args:
-                raise BadRequest("missing %s query" % self.param)
-
-            try:
-                kwargs[self.param] = self.type(req.args[self.param])
-            except TypeError:
-                raise BadRequest("invalid type for %s, expected %s" % (self.param, self.type))
-
-            return func(app, env, req, *args, **kwargs)
-
-        return dec
-
-
 @requires(str, 'uri')
 def new(app, environ, request, uri):