You may want to store a hash of the page and use that for the comparison, then if the user wants to see the difference between the two pages, pull up the full page.
On Oct 11, 2010, at 3:07 AM, jimgardener wrote: > hi > I am trying to write an application that checks a web page today and > again checks it after somedays and compares them.For this purpose I > need to store the page data on these 2 occassions in my program . > > How can I do this?I can get the page data of current moment as a > string using urllib.urlopen and store it in a variable, say > current_page_data.But ,how do I store yesterday's data so that I can > compare the two?Do I need to store it as a field in database?(I am not > very familiar with database programming..I am using postgres for web > app development with django.So I don't know if storing such a large > string like that is possible). > > I considered writing the data to a file..but suppose a lot of users > want to do the comparison of 2 versions of many pages..?I would be > creating so many files =usercount * number_of_url_by_each_user .If > the time duration between 2 comparisons was some seconds/minutes then > I can just use 2 local variables andmay not need persistence.But ,to > compare data of yesterday and today I may need some such mechanism.. > I guess this may be a common problem and there may some solution for > this. > Can someone comment/suggest how this can be done? > thanks > jim > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To post to this group, send email to django-us...@googlegroups.com. > To unsubscribe from this group, send email to > django-users+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/django-users?hl=en. > -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-us...@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
