Allow calling after_request outside of request context

CHANGELOG

@@ -1,5 +1,14 @@
 Flask-Defer Changelog
-===================
+=====================
+
+Version 1.0.1
+-------------
+
+:Released: 11-28-2016
+
+:Changes:
+  Execute tasks immediately if we are outside of a request context
+
 
 Version 1.0.0
 -------------

README.rst

@@ -19,6 +19,10 @@ Installation
 Usage
 ~~~~~
 
+Passing a function and it's arguments to `flask_defer.after_request` will register that function to execute when the Flask request has ended.
+
+If a call to `flask_defer.after_request` happens outside of a request context then the function will be executed immediately.
+
 .. code:: python
 
    from flask import Flask

flask_defer.py

@@ -7,8 +7,14 @@ __all__ = ['after_request', 'defer', 'FlaskDefer']
 
 
 def defer(func, *args, **kwargs):
-    params = dict(func=func, args=args, kwargs=kwargs)
     ctx = stack.top
+
+    # If we are not in a request/app context, then just execute
+    if not ctx:
+        return func(*args, **kwargs)
+
+    # We are in a request/app context, defer until request/app teardown
+    params = dict(func=func, args=args, kwargs=kwargs)
     if not hasattr(ctx, 'deferred_tasks'):
         setattr(ctx, 'deferred_tasks', [])
     ctx.deferred_tasks.append(params)

setup.py

@@ -12,7 +12,7 @@ def get_long_description():
 
 setup(
     name='Flask-Defer',
-    version='1.0.0',
+    version='1.0.1',
     url='https://github.com/brettlangdon/flask-defer.git',
     license='MIT',
     author='Brett Langdon',

test_flask_defer.py

@@ -5,7 +5,7 @@ from flask_defer import FlaskDefer, defer, stack
 
 
 def deferred_task(name, with_keyword=False):
-    pass
+    return (name, with_keyword)
 
 
 class TestFlaskDefer(unittest.TestCase):
@@ -114,6 +114,10 @@ class TestFlaskDefer(unittest.TestCase):
                     kwargs=dict(with_keyword=True, extra_param='param'),
                 ))
 
+    def test_no_app_context(self):
+        result = defer(deferred_task, 'name', with_keyword=True)
+        self.assertEqual(result, ('name', True))
+
 
 if __name__ == '__main__':
     unittest.main()