I have a potentially very large csv file that I need to read in and display, but only a few records at a time. I want to be abe to page thru the file using offset and records variables.
What I have is the following, but it really doesnt work well at all and if I hit the end of the file it errors:
def showMail(self,offset,records): """ read in N lines of mail items """ mails =  ifile = open('some.csv', "r") data = csv.reader(ifile ,delimiter=',', quoting=csv.QUOTE_ALL) if offset > 0: for i in range(0,((offset*records)+records)): if i > (offset*records)-1: mails.append(data.next()) else: data.next() else: for i in range(0,records): mails.append(data.next()) ifile.close() return mails
Is there a better way of doing this that I am just too new to know?