From 1d719252cbc6ce79943e76d317cecd57b1872fe4 Mon Sep 17 00:00:00 2001
From: Hugh McNamara <hugh@intellisense.io>
Date: Tue, 19 Sep 2017 14:58:49 +0100
Subject: [PATCH 1/3] use dependency injection to allow alternative json parser
 or encoder

---
 sanic/request.py  | 4 ++--
 sanic/response.py | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/sanic/request.py b/sanic/request.py
index 27ff011e..aa778a8d 100644
--- a/sanic/request.py
+++ b/sanic/request.py
@@ -69,10 +69,10 @@ class Request(dict):
         self.stream = None
 
     @property
-    def json(self):
+    def json(self, loads=json_loads):
         if self.parsed_json is None:
             try:
-                self.parsed_json = json_loads(self.body)
+                self.parsed_json = loads(self.body)
             except Exception:
                 if not self.body:
                     return None
diff --git a/sanic/response.py b/sanic/response.py
index 3b0ef449..f661758b 100644
--- a/sanic/response.py
+++ b/sanic/response.py
@@ -237,7 +237,8 @@ class HTTPResponse(BaseHTTPResponse):
 
 
 def json(body, status=200, headers=None,
-         content_type="application/json", **kwargs):
+         content_type="application/json", dumps=json_dumps,
+         **kwargs):
     """
     Returns response object with body in json format.
 
@@ -246,7 +247,7 @@ def json(body, status=200, headers=None,
     :param headers: Custom Headers.
     :param kwargs: Remaining arguments that are passed to the json encoder.
     """
-    return HTTPResponse(json_dumps(body, **kwargs), headers=headers,
+    return HTTPResponse(dumps(body, **kwargs), headers=headers,
                         status=status, content_type=content_type)
 
 

From a8f764c1612ab17eb99924ac2363c05110a1911d Mon Sep 17 00:00:00 2001
From: Hugh McNamara <hugh@intellisense.io>
Date: Tue, 19 Sep 2017 18:12:53 +0100
Subject: [PATCH 2/3] make method instead of property for alternative json
 decoding of request

---
 sanic/request.py | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/sanic/request.py b/sanic/request.py
index aa778a8d..74200fe0 100644
--- a/sanic/request.py
+++ b/sanic/request.py
@@ -69,10 +69,10 @@ class Request(dict):
         self.stream = None
 
     @property
-    def json(self, loads=json_loads):
+    def json(self):
         if self.parsed_json is None:
             try:
-                self.parsed_json = loads(self.body)
+                self.parsed_json = json_loads(self.body)
             except Exception:
                 if not self.body:
                     return None
@@ -80,6 +80,16 @@ class Request(dict):
 
         return self.parsed_json
 
+    def load_json(self, loads=json_loads):
+        try:
+            self.parsed_json = loads(self.body)
+        except Exception:
+            if not self.body:
+                return None
+            raise InvalidUsage("Failed when parsing body as json")
+
+        return self.parsed_json
+
     @property
     def token(self):
         """Attempt to return the auth header token.

From 5cef1634edd029e914d0184627e98bcb63198173 Mon Sep 17 00:00:00 2001
From: Hugh McNamara <hugh@intellisense.io>
Date: Fri, 22 Sep 2017 10:19:15 +0100
Subject: [PATCH 3/3] use json_loads function in json property of request

---
 sanic/request.py | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/sanic/request.py b/sanic/request.py
index 74200fe0..43ecc511 100644
--- a/sanic/request.py
+++ b/sanic/request.py
@@ -71,12 +71,7 @@ class Request(dict):
     @property
     def json(self):
         if self.parsed_json is None:
-            try:
-                self.parsed_json = json_loads(self.body)
-            except Exception:
-                if not self.body:
-                    return None
-                raise InvalidUsage("Failed when parsing body as json")
+            self.load_json()
 
         return self.parsed_json