Problems with sys.stout.flush()

[Joel Ross]

Carl Banks wrote:
> On May 23, 3:49 am, Joel Ross <jo... at cognyx.com> wrote:
>>      def progressbar(self, number, total,  char):
>>
>>          percentage = float(number*100)/total
>>          percentage = int(round(percentage))
>>          percentage = int(100 - percentage)
>>          self.f=sys.stdout
>>          if percentage > 0:
>>              char = char * percentage
>>              self.f.write(char)
>>              self.f.flush()            
>>              sleep(0.2)
> [snip]
>> So when it prints a progress at 50% it will print 50 (*) characters and
>> if the next progress is 51% it will print 51 (*) characters including
>> the last 50 (*) characters, so instead on ending up with 100 (*)
>> characters I end up with a shit load of them depending on how many lines
>> I pass to the progressbar() function.
> 
> Here's why: when you write "char = char * percentage", you are setting
> char to a string, so on the next iteration char is the string you
> printed last time.  Thus char grows factorially with iterations.  Not
> good.
> 
> Instead, change char to some other name so you don't ever overwrite
> it; char should always be just one character.
> 
>              bar = char * percentage
>              self.f.write(bar)
> 
> 
> Carl Banks


Still having the same problem if I pass it 1000 lines it will printout 
1000 asterisks when I say lines I mean the argument <number> for the 
progress() function. I only want to printout 100 asterisks no matter how 
many lines I pass to the progress() function, that's why I need the 
printout to overwrite the last printout instead of appending to the last 
printout. I know there must be a way to do it. I'll keep trying and 
eventually get it. Any ideas would be helpful

jross