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RSS: Catch errors from update_feed(), just in case

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feedparser should always catch the error, but someone reported it doesn't
catch this error on TLS cert issues:

```
Traceback (most recent call last):
  File "/usr/lib/python3.8/threading.py", line 932, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.8/threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "/home/falso/virtualenv/limnoria/lib/python3.8/site-packages/supybot/plugins/RSS/plugin.py", line 86, in newf
    f(*args, **kwargs)
  File "/home/falso/virtualenv/limnoria/lib/python3.8/site-packages/supybot/plugins/RSS/plugin.py", line 351, in update_feeds
    self.update_feed_if_needed(feed)
  File "/home/falso/virtualenv/limnoria/lib/python3.8/site-packages/supybot/plugins/RSS/plugin.py", line 337, in update_feed_if_needed
    self.update_feed(feed)
  File "/home/falso/virtualenv/limnoria/lib/python3.8/site-packages/supybot/plugins/RSS/plugin.py", line 311, in update_feed
    d = feedparser.parse(feed.url, etag=feed.etag,
  File "/home/falso/virtualenv/limnoria/lib/python3.8/site-packages/feedparser/api.py", line 214, in parse
    data = _open_resource(url_file_stream_or_string, etag, modified, agent, referrer, handlers, request_headers, result)
  File "/home/falso/virtualenv/limnoria/lib/python3.8/site-packages/feedparser/api.py", line 114, in _open_resource
    return http.get(url_file_stream_or_string, etag, modified, agent, referrer, handlers, request_headers, result)
  File "/home/falso/virtualenv/limnoria/lib/python3.8/site-packages/feedparser/http.py", line 158, in get
    f = opener.open(request)
  File "/usr/lib/python3.8/urllib/request.py", line 525, in open
    response = self._open(req, data)
  File "/usr/lib/python3.8/urllib/request.py", line 542, in _open
    result = self._call_chain(self.handle_open, protocol, protocol +
  File "/usr/lib/python3.8/urllib/request.py", line 502, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 1393, in https_open
    return self.do_open(http.client.HTTPSConnection, req,
  File "/usr/lib/python3.8/urllib/request.py", line 1354, in do_open
    r = h.getresponse()
  File "/usr/lib/python3.8/http/client.py", line 1347, in getresponse
    response.begin()
  File "/usr/lib/python3.8/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.8/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.8/socket.py", line 669, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.8/ssl.py", line 1241, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.8/ssl.py", line 1099, in read
    return self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out
```

So let's catch the error just in case, so it doesn't block all other
feeds.
This commit is contained in:
Valentin Lorentz 2021-05-28 18:48:33 +02:00
parent 3415cd08a1
commit 758f9bee34
1 changed files with 2 additions and 0 deletions
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2
plugins/RSS/plugin.py
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@ -40,6 +40,7 @@ import socket
import threading
import feedparser
import supybot.log as log
import supybot.conf as conf
import supybot.utils as utils
import supybot.world as world
@ -344,6 +345,7 @@ class RSS(callbacks.Plugin):
###############
# Feed fetching
@log.firewall
def update_feed(self, feed):
handlers = []
if utils.web.proxy():