Thank you! > On Oct 14, 2017, at 12:10 PM, Ben Bacarisse <ben.use...@bsb.me.uk> wrote: > > Irv Kalb <i...@furrypants.com> writes: > > Lots of detail snipped. I hope it won't matter... > >> <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed >> (_ssl.c:749)> >> >> Huh??? >> >> I've read a bunch of documentation, and it looks like I'm doing >> everything right, but I cannot get this to work. Any other >> suggestions to get this 3 line program to work correctly? > > Just a data point... It works here: > > $ python3 t.py > Response is: b'156.99\n' > $ cat t.py > import urllib.request > fullURLWithParameters = 'http://finance.yahoo.com/d/quotes.csv?s=aapl&f=l1' > # read all the data > response = urllib.request.urlopen(fullURLWithParameters).read() > > print('Response is: ', response) > $ python3 --version > Python 3.5.2 >
I have not tried this on anything but my Mac. I'm running 3.6.1 > Maybe you are missing some crucial certificates? Presumably Python > finds them is standard paces, so it would be worth trying other accesses > of the URL. I am just using an absolutely standard install from Python.org > For example, here: > > $ wget -q -O - 'http://finance.yahoo.com/d/quotes.csv?s=aapl&f=l1' > 156.99 > > Finally, wget -S shows that the resource has moved. It is now at > > Location: http://download.finance.yahoo.com/d/quotes.csv?s=aapl&f=l1 > > I don't think this has anything to do with your problem, but it's worth > noting. > > -- > Ben. > That DID fix it. I changed the URL to add 'download/' and it worked perfectly. Apparently, Python 3 differs from Python 2 in the way that it is handling a missing/forwarding URL, because the original code in Python 2.7 works perfectly. Thanks very much for tracking this down! Irv -- https://mail.python.org/mailman/listinfo/python-list
