@@ -308,3 +308,10 @@ def confirm_oauth_email(user: Any | None = None, *args, **kwargs):
     if user:
         user.is_confirmed = True
         user.save()
+
+
+def detect_email(backend, response, details, **kwargs):
+    if backend.name == 'yandex-oauth2' and not response.get('email') and response.get('login'):
+        details['email'] = f'{response['login']}@yandex.ru'
+        details['username'] = response['login']
+    return kwargs | {'backend': backend} | {'response': response} | {'details': details}
@@ -127,6 +127,7 @@ SOCIAL_AUTH_ACTIVATE_JWT = True
 
 SOCIAL_AUTH_PIPELINE = (
     'social_core.pipeline.social_auth.social_details',
+    'authentication.services.user_services.detect_email',
     'social_core.pipeline.social_auth.social_uid',
     'social_core.pipeline.social_auth.social_user',
     'social_core.pipeline.user.get_username',