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POUsing python Requests library to consume from Twitter's user streams - how to detect disconnection?
 

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    <p>I'm trying to use <a href="http://docs.python-requests.org/en/latest/index.html">Requests</a> to create a robust way of consuming from Twitter's user streams. So far, I've produced the following basic working example:</p> <pre class="lang-py prettyprint-override"><code>""" Example of connecting to the Twitter user stream using Requests. """ import sys import json import requests from oauth_hook import OAuthHook def userstream(access_token, access_token_secret, consumer_key, consumer_secret): oauth_hook = OAuthHook(access_token=access_token, access_token_secret=access_token_secret, consumer_key=consumer_key, consumer_secret=consumer_secret, header_auth=True) hooks = dict(pre_request=oauth_hook) config = dict(verbose=sys.stderr) client = requests.session(hooks=hooks, config=config) data = dict(delimited="length") r = client.post("https://userstream.twitter.com/2/user.json", data=data, prefetch=False) # TODO detect disconnection somehow # https://github.com/kennethreitz/requests/pull/200/files#L13R169 # Use a timeout? http://pguides.net/python-tutorial/python-timeout-a-function/ for chunk in r.iter_lines(chunk_size=1): if chunk and not chunk.isdigit(): yield json.loads(chunk) if __name__ == "__main__": import pprint import settings for obj in userstream(access_token=settings.ACCESS_TOKEN, access_token_secret=settings.ACCESS_TOKEN_SECRET, consumer_key=settings.CONSUMER_KEY, consumer_secret=settings.CONSUMER_SECRET): pprint.pprint(obj) </code></pre> <p>However, I need to be able to handle disconnections gracefully. Currently, when the stream disconnects, the above just hangs, and there are no exceptions raised.</p> <p>What would be the best way to achieve this? Is there a way to detect this through the urllib3 connection pool? Should I use a timeout?</p>
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