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-rw-r--r--wqflask/utility/after.py22
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diff --git a/wqflask/utility/after.py b/wqflask/utility/after.py
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+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