From 20819d2597533b378023b4f22e6a6cce4ce60940 Mon Sep 17 00:00:00 2001
From: corpone <54426320+corpone@users.noreply.github.com>
Date: Thu, 22 Aug 2019 19:53:52 -0700
Subject: [PATCH] handle alternate rate limit exceeded behavior of redirecting
 to login

---
 instaloader/instaloadercontext.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/instaloader/instaloadercontext.py b/instaloader/instaloadercontext.py
index 330d65c..b8eec58 100644
--- a/instaloader/instaloadercontext.py
+++ b/instaloader/instaloadercontext.py
@@ -358,6 +358,9 @@ class InstaloaderContext:
             while resp.is_redirect:
                 redirect_url = resp.headers['location']
                 self.log('\nHTTP redirect from https://{0}/{1} to {2}'.format(host, path, redirect_url))
+                if redirect_url.startswith('https://www.instagram.com/accounts/login'):
+                    # alternate rate limit exceeded behavior
+                    raise TooManyRequestsException("429 Too Many Requests: redirected to login")
                 if redirect_url.startswith('https://{}/'.format(host)):
                     resp = sess.get(redirect_url if redirect_url.endswith('/') else redirect_url + '/',
                                     params=params, allow_redirects=False)