From dd6e828ca3b205fefcae833aec53139961f9575f Mon Sep 17 00:00:00 2001
From: Zachary Sloan
Date: Thu, 27 Feb 2014 00:01:11 +0000
Subject: Began working on a TraitCollection.py file that will contain both the
 object for logged in user collections and collections created by anonymous
 users.

---
 wqflask/utility/after.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 wqflask/utility/after.py

(limited to 'wqflask/utility/after.py')

diff --git a/wqflask/utility/after.py b/wqflask/utility/after.py
new file mode 100644
index 00000000..a3bb85e9
--- /dev/null
+++ b/wqflask/utility/after.py
@@ -0,0 +1,22 @@
+from __future__ import print_function, division, absolute_import
+
+"""
+See: http://flask.pocoo.org/docs/patterns/deferredcallbacks/#deferred-callbacks
+
+"""
+
+from flask import g
+
+from wqflask import app
+
+def after_this_request(f):
+    if not hasattr(g, 'after_request_callbacks'):
+        g.after_request_callbacks = []
+    g.after_request_callbacks.append(f)
+    return f
+
+@app.after_request
+def call_after_request_callbacks(response):
+    for callback in getattr(g, 'after_request_callbacks', ()):
+        callback(response)
+    return response
-- 
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