1 files changed, 22 insertions, 0 deletions
diff --git a/wqflask/utility/after.py b/wqflask/utility/after.py
new file mode 100755
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