From f5f9b1c18172327ec310efc9274db30959ba334e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs?= <heckyel@hyperbola.info>
Date: Wed, 28 Jul 2021 23:45:19 -0500
Subject: Cleaner channel-checking console error messages when Tor is closed

by James Taylor <user234683@users.noreply.github.com>
---
 youtube/subscriptions.py | 20 ++++++++++++--------
 youtube/util.py          |  6 +++++-
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/youtube/subscriptions.py b/youtube/subscriptions.py
index 503f3fa..afc3df9 100644
--- a/youtube/subscriptions.py
+++ b/youtube/subscriptions.py
@@ -432,9 +432,8 @@ def autocheck_setting_changed(old_value, new_value):
         stop_autocheck_system()
 
 
-settings.add_setting_changed_hook(
-    'autocheck_subscriptions',
-    autocheck_setting_changed)
+settings.add_setting_changed_hook('autocheck_subscriptions',
+                                  autocheck_setting_changed)
 if settings.autocheck_subscriptions:
     start_autocheck_system()
 # ----------------------------
@@ -455,12 +454,14 @@ def _get_atoma_feed(channel_id):
         # 404 is expected for terminated channels
         if e.code in ('404', '429'):
             return ''
+        if e.code == '502':
+            return str(e)
         raise
 
 
-def _get_channel_tab(channel_id, channel_status_name):
+def _get_channel_videos_first_page(channel_id, channel_status_name):
     try:
-        return channel.get_channel_tab(channel_id, print_status=False)
+        return channel.get_channel_first_page(channel_id=channel_id)
     except util.FetchError as e:
         if e.code == '429' and settings.route_tor:
             error_message = ('Error checking channel ' + channel_status_name
@@ -471,6 +472,9 @@ def _get_channel_tab(channel_id, channel_status_name):
                 error_message += ' Exit node IP address: ' + e.ip
             print(error_message)
             return None
+        elif e.code == '502':
+            print('Error checking channel', channel_status_name + ':', str(e))
+            return None
         raise
 
 
@@ -484,7 +488,8 @@ def _get_upstream_videos(channel_id):
 
     tasks = (
         # channel page, need for video duration
-        gevent.spawn(channel.get_channel_first_page, channel_id=channel_id),
+        gevent.spawn(_get_channel_videos_first_page, channel_id,
+                     channel_status_name),
         # need atoma feed for exact published time
         gevent.spawn(_get_atoma_feed, channel_id)
     )
@@ -900,8 +905,7 @@ def get_subscriptions_page():
                     'muted': muted,
                 })
 
-    return flask.render_template(
-        'subscriptions.html',
+    return flask.render_template('subscriptions.html',
         header_playlist_names=local_playlist.get_playlist_names(),
         videos=videos,
         num_pages=math.ceil(number_of_videos_in_db/60),
diff --git a/youtube/util.py b/youtube/util.py
index e62d575..daec2df 100644
--- a/youtube/util.py
+++ b/youtube/util.py
@@ -194,7 +194,11 @@ class HTTPAsymmetricCookieProcessor(urllib.request.BaseHandler):
 
 class FetchError(Exception):
     def __init__(self, code, reason='', ip=None, error_message=None):
-        Exception.__init__(self, 'HTTP error during request: ' + code + ' ' + reason)
+        if error_message:
+            string = code + ' ' + reason + ': ' + error_message
+        else:
+            string = 'HTTP error during request: ' + code + ' ' + reason
+        Exception.__init__(self, string)
         self.code = code
         self.reason = reason
         self.ip = ip
-- 
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