Does this return all the data?
urllib2.urlopen(url).read()
The answer appears to be "not always".
http://stackoverflow.com/questions/7174927/when-does-socket-recvrecv-size-return https://github.com/CVL-dev/feedparser/issues/1
I can't seem to get a definitive answer here, nor a reproducible demonstration of it failing.
Does anybody know for sure?