use jsonify instead of default json lib for a better interaction with date and datetime

Author: akira-dev

flask_rest_jsonapi/decorators.py

@@ -2,10 +2,9 @@
 
 """Decorators to check headers and method requirements for each Api calls"""
 
-import json
 from functools import wraps
 
-from flask import request, make_response
+from flask import request, make_response, jsonify
 
 from flask_rest_jsonapi.errors import jsonapi_errors
 
@@ -20,16 +19,16 @@ def check_headers(func):
     def wrapper(*args, **kwargs):
         if request.method in ('POST', 'PATCH'):
             if 'Content-Type' not in request.headers or request.headers['Content-Type'] != 'application/vnd.api+json':
-                error = json.dumps(jsonapi_errors([{'source': '',
-                                                    'detail': "Content-Type header must be application/vnd.api+json",
-                                                    'title': 'InvalidRequestHeader',
-                                                    'status': 415}]))
+                error = jsonify(jsonapi_errors([{'source': '',
+                                                 'detail': "Content-Type header must be application/vnd.api+json",
+                                                 'title': 'InvalidRequestHeader',
+                                                 'status': 415}]))
                 return make_response(error, 415, {'Content-Type': 'application/vnd.api+json'})
         if request.headers.get('Accept') and 'application/vnd.api+json' not in request.accept_mimetypes:
-            error = json.dumps(jsonapi_errors([{'source': '',
-                                                'detail': "Accept header must be application/vnd.api+json",
-                                                'title': 'InvalidRequestHeader',
-                                                'status': 406}]))
+            error = jsonify(jsonapi_errors([{'source': '',
+                                             'detail': "Accept header must be application/vnd.api+json",
+                                             'title': 'InvalidRequestHeader',
+                                             'status': 406}]))
             return make_response(error, 406, {'Content-Type': 'application/vnd.api+json'})
         return func(*args, **kwargs)
     return wrapper

flask_rest_jsonapi/resource.py

@@ -3,11 +3,10 @@
 """This module contains the logic of resource management"""
 
 import inspect
-import json
 from six import with_metaclass
 
 from werkzeug.wrappers import Response
-from flask import request, url_for, make_response, current_app
+from flask import request, url_for, make_response, current_app, jsonify
 from flask.views import MethodView, MethodViewType
 from marshmallow_jsonapi.exceptions import IncorrectTypeError
 from marshmallow import ValidationError
@@ -70,14 +69,14 @@ def dispatch_request(self, *args, **kwargs):
         try:
             response = method(*args, **kwargs)
         except JsonApiException as e:
-            return make_response(json.dumps(jsonapi_errors([e.to_dict()])),
+            return make_response(jsonify(jsonapi_errors([e.to_dict()])),
                                  e.status,
                                  headers)
         except Exception as e:
             if current_app.config['DEBUG'] is True:
                 raise e
             exc = JsonApiException('', str(e))
-            return make_response(json.dumps(jsonapi_errors([exc.to_dict()])),
+            return make_response(jsonify(jsonapi_errors([exc.to_dict()])),
                                  exc.status,
                                  headers)
 
@@ -88,7 +87,7 @@ def dispatch_request(self, *args, **kwargs):
         if not isinstance(response, tuple):
             if isinstance(response, dict):
                 response.update({'jsonapi': {'version': '1.0'}})
-            return make_response(json.dumps(response), 200, headers)
+            return make_response(jsonify(response), 200, headers)
 
         try:
             data, status_code, headers = response
@@ -104,7 +103,7 @@ def dispatch_request(self, *args, **kwargs):
         if isinstance(data, dict):
             data.update({'jsonapi': {'version': '1.0'}})
 
-        return make_response(json.dumps(data), status_code, headers)
+        return make_response(jsonify(data), status_code, headers)
 
 
 class ResourceList(with_metaclass(ResourceMeta, Resource)):