python - Accessing JSON feeds -


i wanted access json feeds automatically.

suppose given this website, information in table obtained through link: http://www.cmegroup.com/cmews/mvc/productslate/v1/list/500/1?sortfield=oi&sortasc=false&venues=3&page=1&cleared=1&group=7&r=rsg3qvq3 (from xhr) there 3 other pages (shown above table), contain tables this. want access (suppose n pages) , (n tables, 1 each page). there automatic way so?

right now, have copied links each of json feeds , stored in them in txt file read file.

change fields 500/1 , page=1 in url. like:

page = 2 url = 'http:/ ... st/500/{0}?sortfield=oi ... page={0}&clear ...'.format(page)

to find out number of pages should scrap original page, example(not tested) using pyquery:

from pyquery import pyquery pq d = pq(html) selector = '#cmeproductslatepaginiationtop ul' n_pages = len(d(selector))-2

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