adding Social login

back_latienda/settings/base.py

@@ -57,6 +57,7 @@ INSTALLED_APPS = [
     'storages',
     'mapwidgets',
     'django_admin_listfilter_dropdown',
+    'social_django',
 
     # local apps
     'core',
@@ -77,6 +78,8 @@ MIDDLEWARE = [
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
+
+    'social_django.middleware.SocialAuthExceptionMiddleware',
 ]
 
 ROOT_URLCONF = 'back_latienda.urls'
@@ -92,6 +95,9 @@ TEMPLATES = [
                 'django.template.context_processors.request',
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
+
+                'social_django.context_processors.backends',
+                'social_django.context_processors.login_redirect',
             ],
         },
     },
@@ -123,6 +129,14 @@ AUTH_PASSWORD_VALIDATORS = [
 
 AUTH_USER_MODEL = 'core.CustomUser'
 
+AUTHENTICATION_BACKENDS = (
+    'social_core.backends.github.GithubOAuth2',
+    'social_core.backends.twitter.TwitterOAuth',
+    'social_core.backends.facebook.FacebookOAuth2',
+
+    'django.contrib.auth.backends.ModelBackend',
+)
+
 # DRF Options
 REST_FRAMEWORK = {
     'DEFAULT_PERMISSION_CLASSES': [