Integrated my history into data

flex/lib/python3.6/site-packages/social_django/middleware.py

@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+import six
+
+from django.conf import settings
+from django.contrib import messages
+from django.contrib.messages.api import MessageFailure
+from django.shortcuts import redirect
+from django.utils.http import urlquote
+
+from social_core.exceptions import SocialAuthBaseException
+from social_core.utils import social_logger
+from .compat import MiddlewareMixin
+
+
+class SocialAuthExceptionMiddleware(MiddlewareMixin):
+    """Middleware that handles Social Auth AuthExceptions by providing the user
+    with a message, logging an error, and redirecting to some next location.
+
+    By default, the exception message itself is sent to the user and they are
+    redirected to the location specified in the SOCIAL_AUTH_LOGIN_ERROR_URL
+    setting.
+
+    This middleware can be extended by overriding the get_message or
+    get_redirect_uri methods, which each accept request and exception.
+    """
+    def process_exception(self, request, exception):
+        strategy = getattr(request, 'social_strategy', None)
+        if strategy is None or self.raise_exception(request, exception):
+            return
+
+        if isinstance(exception, SocialAuthBaseException):
+            backend = getattr(request, 'backend', None)
+            backend_name = getattr(backend, 'name', 'unknown-backend')
+
+            message = self.get_message(request, exception)
+            social_logger.error(message)
+
+            url = self.get_redirect_uri(request, exception)
+            try:
+                messages.error(request, message,
+                               extra_tags='social-auth ' + backend_name)
+            except MessageFailure:
+                if url:
+                    url += ('?' in url and '&' or '?') + \
+                           'message={0}&backend={1}'.format(urlquote(message),
+                                                            backend_name)
+            if url:
+                return redirect(url)
+
+    def raise_exception(self, request, exception):
+        strategy = getattr(request, 'social_strategy', None)
+        if strategy is not None:
+            return strategy.setting('RAISE_EXCEPTIONS') or settings.DEBUG
+
+    def get_message(self, request, exception):
+        return six.text_type(exception)
+
+    def get_redirect_uri(self, request, exception):
+        strategy = getattr(request, 'social_strategy', None)
+        return strategy.setting('LOGIN_ERROR_URL')