Help using xlwt format module

[jarograv]

I have this code:

import csv
tally=0
i=0
n=1
numb=2
count = sum(1 for row in csv.reader( open('cities.csv') ) )
cityname = csv.reader(open("cities.csv", "rb"))
citynames = []
citynames.extend(cityname)
for data in citynames:
    citynames.append(data[0])
    tally+=1
    if tally>=count:
        break
tally=0

cities_x = csv.reader(open("cities.csv", "rb"))
cities_list_x = []
cities_list_x.extend(cities_x)
names = []
for data in cities_list_x:
    names.append(data[0]) 

timel=raw_input("When is your target landing time?<'0' to exit> ")
first_colonl=timel.find(":")
hoursl=timel[:first_colonl]
minutesl=timel[first_colonl+1:first_colonl+3]
secondsl=timel[first_colonl+4:first_colonl+6]
hours_secondsl=int(hoursl)*3600
minutes_secondsl=int(minutesl)*60
total_secondsl=hours_secondsl+minutes_secondsl+int(secondsl)    
    
w = csv.writer(open('timer.csv','w'))
spamWriter = csv.writer(open('timer.csv', 'wb'), delimiter=' ',
                        quotechar=' ', quoting=csv.QUOTE_MINIMAL)    
spamWriter.writerow(['city'] + [','] + ['travel time'] + [','] + ['send Time'] + [','+timel] ) 
    
while i in range(0,count):
    time=raw_input("How long does it take to get to your target from "+str(names[i])+"?<'0' to exit> ")
    first_colon=time.find(":")
    hours=time[:first_colon]
    minutes=time[first_colon+1:first_colon+3]
    seconds=time[first_colon+4:first_colon+6]
    hours_seconds=int(hours)*3600
    minutes_seconds=int(minutes)*60
    total_seconds=hours_seconds+minutes_seconds+int(seconds)
    send_time=total_secondsl-total_seconds
    send_hours=send_time/3600
    send_minutes=(send_time-(send_hours*3600))/60
    send_seconds=(send_time-((send_hours*3600)+(send_minutes*60)))
    print "The send time is", send_hours,":", send_minutes,":",send_seconds
    sendtime='=D1-'+chr(98)+str(numb)+'+48'
    spamWriter.writerow([names[i]] + [','] + [sendtime] + [','] + [time])
    i+=1
    numb+=1

I need to format the variable 'sendtime' into hh:mm:ss so that it does not show up as a number with decimals in my spreadsheet. If anybody can provide me with code or explain the xlwt module better than their help manuals do that would be helpful.

Thanks,

Jaro

[woooee]

Although we don't know the format of the file, this is probably a never-ending loop as you are iterating over, and appending to, the same list.

for data in citynames:
    citynames.append(data[0])

Run this snippit as it limits the list to a length of 100, instead of an infinite loop.

x = [ 1, 2, 3 ]
for ctr, el in enumerate(x):
    if len(x) < 100:  
        x.append(el)
        print ctr
print x

[woooee]

Using the datetime module is an easy way to subtract one time value from another IMHO.

import datetime

# subtract 10:02:59 from 12:01:02
difference = datetime.datetime(2011, 5, 11, 12, 1, 2) - \
             datetime.datetime(2011, 5, 11, 10, 2, 59)
print "the difference is %s" % (str(difference))

#
# also note that split(":") is a better way to split the input
# and you can also check for len == 3
time_input = "2:03:05"
print time_input, "-->", time_input.split(":")