I am trying to filter Open Street Map nodes from http://planet.openstreetmap.org/minute/
... into wikimark up for Yellowikis (http://www.yellowikis.org) I work from home - but this isn't a homework assignment. :-) Paul Y On Mon, Mar 30, 2009 at 5:52 PM, Dave Angel <da...@ieee.org> wrote: > This is the second post I've seen on this homework assignment. You might > look at the Python List for other ideas. > > mktime() and gmtime() are not inverses of each other. The first assumes > local time, and the latter gmt (or utc). So unless you happen to be in > England, and not in daylight savings time, you'd expect a problem. > > mktime() is documented as the inverse of localtime(), according to the docs. > I'd assume they'd both make the same time adjustments for your location. > However, there's some ambiguity if the time you're looking at is in > standard time, while you're currently in daylight savings. So I'd look for > an answer that only used UTC (or Greenwich Mean time). > > Try time.gmtime(), and calendar.timegm() > > > pa yo wrote: > >> I need to add one minute to a string that has a date and a time in >> YYYYMMDDHHMM format. >> e.g: 200903281346 should become 200903281347 >> >> the following script converts the string into time and adds one >> minute; but somehow I also add an hour and I don't understand why. >> >> ==================== >> >> import time >> >> #set the initial time as a string and convert it into time format: >> fromtimestring = '200903281346' >> fromtimetime = time.strptime(fromtimestring, "%Y%m%d%H%M") >> #convert this time format into UNIX time (seconds since the start of UNIX >> time): >> fromtimeseconds = time.mktime(fromtimetime) >> #add 60 seconds and reformat the result into the YYYYMMDDHHMM format >> totimeseconds = fromtimeseconds + 60 >> totimetime = time.gmtime(totimeseconds) >> # convert the new time into a string: >> totimestring = time.strftime("%Y%m%d%H%M", totimetime) >> >> #print the results: >> print (fromtimestring) >> print (fromtimetime) >> print (totimetime) >> print (totimestring) >> >> ================ >> >> any help or suggestions would be much appreciated. >> >> >> Payo >> >> > > _______________________________________________ > Tutor maillist - tu...@python.org > http://mail.python.org/mailman/listinfo/tutor > _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
