python - Urllib2 <urlopen error [Errno -5] No address associated with hostname> -


i have python program uses several apis, including 2 yahoo!. 1 having trouble with, however. gives me error <urlopen error [errno -5] no address associated hostname> here outputs various terminal commands try data "http://download.finance.yahoo.com/d/quotes.csv?s=goog&f=nsl1l2op&e=.csv":

my code:

def stocks():     lcd.clear()     lcd.message('raspi stocks\nusing yahoo!')     time.sleep(2)     val = 1     in stockslst: #           host = urllib2.socket.gethostbyname('finance.yahoo.com')             req = urllib2.request('http://download.finance.yahoo.com/d/quotes.csv?s=' + + '&f=nsl1l2op&e=.csv$             req.add_header('host:', 'finance.yahoo.com')             mdata = urllib2.urlopen(req)             csvdata = [row row in csv.reader(mdata)]             sname = csvdata[0][0]             last1 = float(csvdata[0][2])             last2 = float(csvdata[0][3])             if last1 > last2:                     r = 0             if last1 < last2:                     r = 1             if last1 == last2:                     r = 126             lcd.clear()             lcd.message(sname + '\n' + chr(r) + str(last1))             time.sleep(2)

my program:

pi@raspberrypi ~ $ sudo python lcddisplayrpi.py traceback (most recent call last): file "lcddisplayrpi.py", line 132, in <module> stocks() file "lcddisplayrpi.py", line 113, in stocks mdata = urllib2.urlopen(req) file "/usr/lib/python2.7/urllib2.py", line 127, in urlopen return _opener.open(url, data, timeout) file "/usr/lib/python2.7/urllib2.py", line 401, in open response = self._open(req, data) file "/usr/lib/python2.7/urllib2.py", line 419, in _open '_open', req) file "/usr/lib/python2.7/urllib2.py", line 379, in _call_chain result = func(*args) file "/usr/lib/python2.7/urllib2.py", line 1211, in http_open return self.do_open(httplib.httpconnection, req) file "/usr/lib/python2.7/urllib2.py", line 1181, in do_open raise urlerror(err) urllib2.urlerror: <urlopen error [errno -5] no address associated hostname>

curl problematic address:

curl "http://finance.yahoo.com/d/quotes.csv?s=goog&f=nsl1l2op&e=.csv" <head><title>redirect</title></head> <body bgcolor="white" fgcolor="black"> <font face="helvetica,arial"><b>  "<em>http://download.finance.yahoo.com/d/quotes.csv?s=goog&f=nsl1l2op&e=.csv</em>".<p></b></font>  <!-- default "redirect" response (301) --> </body>

wget problematic address:

 wget "http://finance.yahoo.com/d/quotes.csv?s=goog&f=nsl1l2op&e=.csv" --2013-10-06 09:01:30--  http://finance.yahoo.com/d/quotes.csv?s=goog&f=nsl1l2op&e=.csv resolving finance.yahoo.com (finance.yahoo.com)... failed: no address associated hostname. wget: unable resolve host address `finance.yahoo.com'

i can csv data in web browser on same computer. hinted in curl command, tried changing download.finance.yahoo.com, no luck python program. tried curl again:

curl "http://download.finance.yahoo.com/d/quotes.csv?s=goog&f=nsl1l2op&e=.csv" "google inc.","goog",872.35,-,876.00,876.09

this data want. don't know wrong python program.


Comments

Post a Comment

Popular posts from this blog

java.util.scanner - How to read and add only numbers to array from a text file -

i'm learning java , have question regarding reading file want read numbers file contains strings well. here example of file: 66.56 "3 java 3-43 5-42 2.1 1 and here coding: public class test { public static void main (string [] args){ if (0 < args.length) { file x = new file(args[0]); try{ scanner in = new scanner( new fileinputstream(x)); arraylist<double> test = new arraylist<>(); while(in.hasnext()){ if(in.hasnextdouble()){ double f=in.nextdouble(); test.add(f);} else {in.next();} } catch(ioexception e) { system.err.println("exception during reading: " + e); } } my problem add 66.56,2.1 , 1 doesn't add 3 after "3 or ignores 3-43 , 5-42 can tell me how skip strings , add doubles here? thanks all said 3 ie; "3, 3-43 , 4-42 strings either u read string , split , check number @ " , - or put in space between characters , integers. jvm after compilation tre
Read more

html - Repeat image to extend header to fill screen -

i have header (2300x328px) , image (456x328px). want second image extend header left , right, header fills whole width availiable.it needs connect without overlapping, because there pattern. here image of mean: http://imgur.com/0ji3hae circles pattern (why should not overlap) , images extend header can repeated infinitely. for pattern align need align background pattern according header image (ex. center, left etc) , make sure pattern starts @ right place. i made fiddle explain mean - http://jsfiddle.net/taneleero/g99xa/ .header { background:url(http://i.imgur.com/bzvtzl4.jpg) repeat-x center; } .header img { display:block; margin:0px auto; }
Read more

javascript - Backbone.js getting target attribute -

i trying figure out why value of e.target.getattribute('data-text') becoming null when go html backbone js file. html: <script type="text/template" id="lesson-template"> <span id="lesson-title"><%= tracks[0].title %></span> <select class="sel"> <% _.each(tracks, function(track) { %> <option value = "<%= track.text %>" data-text="<%= track.title %>"><%= track.title %></option> <% }); %> </select> <p id="tracktext"><%= tracks[0].text %></p> </script> js: window.librarylessonview = lessonview.extend({ events: { "change .sel " : "changetext" }, changetext: function(e) { alert(e.target.getattribute('data-text')); //i getting null value here! document.getelementbyid("lesson-title").innerhtml= e.target.getattribute('data-text&
Read more