Merge pull request #476 from seemethere/inject_app_into_request

Inject app into request object

sanic/app.py

@@ -360,6 +360,8 @@ class Sanic:
             # Request Middleware
             # -------------------------------------------- #
 
+            request.app = self
+
             response = False
             # The if improves speed.  I don't know why
             if self.request_middleware:

sanic/request.py

@@ -36,7 +36,7 @@ class RequestParameters(dict):
 class Request(dict):
     """Properties of an HTTP request such as URL, headers, etc."""
     __slots__ = (
-        'url', 'headers', 'version', 'method', '_cookies', 'transport',
+        'app', 'url', 'headers', 'version', 'method', '_cookies', 'transport',
         'query_string', 'body',
         'parsed_json', 'parsed_args', 'parsed_form', 'parsed_files',
         '_ip',
@@ -45,6 +45,7 @@ class Request(dict):
     def __init__(self, url_bytes, headers, version, method, transport):
         # TODO: Content-Encoding detection
         url_parsed = parse_url(url_bytes)
+        self.app = None
         self.url = url_parsed.path.decode('utf-8')
         self.headers = headers
         self.version = version

tests/test_request_data.py

@@ -1,3 +1,5 @@
+import random
+
 from sanic import Sanic
 from sanic.response import json
 from ujson import loads
@@ -21,3 +23,21 @@ def test_storage():
     response_json = loads(response.text)
     assert response_json['user'] == 'sanic'
     assert response_json.get('sidekick') is None
+
+
+def test_app_injection():
+    app = Sanic('test_app_injection')
+    expected = random.choice(range(0, 100))
+
+    @app.listener('after_server_start')
+    async def inject_data(app, loop):
+        app.injected = expected
+
+    @app.get('/')
+    async def handler(request):
+        return json({'injected': request.app.injected})
+
+    request, response = app.test_client.get('/')
+
+    response_json = loads(response.text)
+    assert response_json['injected'] == expected