On Sat, 11 Jun 2005 19:42:27 -0400, Simon Gerber wrote (in article <[EMAIL PROTECTED]>):
> Hullo, > > Firstly, thanks to everyone who helped me find my own IP address. That > was a big help. That bit is working now, and working very nicely. I am > now stuck on something purely aesthetic - printing a few dots across the > screen to provide a bit of feedback while the VPN tunnel is being > established. > > def vpn_connect(choice): > import time > ip_addr = "" > tries = 0 > retries = 10 > print "Connecting to %s" % (choice), > os.system("pon %s" % (choice)) > while ip_addr == "" and tries < retries: > print "...", # This is the line causing problems > time.sleep(0.5) > ip_addr = get_addr() > if ip_addr != '': > #create the route! > pass > else: > tries += 1 > sys.exit() > > It works. The problem is, nothing is displayed on screen until after the > connection occurs - at which point we see: > > "Connecting to Prodigi ... ... ... ... ... ... ... " > > If I remove the comma at the end of the marked line, the ellipses print > every .5 seconds as desired, except they print down the screen of course! > > After googling around a little, I found a post that seemed to say > Python won't draw the results of 'print' statements until it hits a > newline. I tried using sys.stout.write('...'), but had the same problem > there, too. I've also found a few progress bar classes around the web, > but I not exactly want a progress bar. I just want to print '...' every > few seconds until connected. > > Any hints? I looked up the python reference manual, but couldn't find > any way to force print statements to draw. Should I be looking into > threads, perhaps? > > Regards, > > > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor > Just use sys.stdout.writelines(' ... ') Example: >>> import sys >>> sys.stdout.writelines ('... '); sys.stdout.writelines ('... ') ... ... >>> That what your looking for? Lee C _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor