file.py

def build_yelp_url(page, c):
    ''' Builds Yelp URL for the given page and cflt to be parsed according to
    config variables '''

    url = "http://www.yelp.fr/search?&start={0}".format(page_to_index(page))
    if CITY: url += "&find_loc={0}".format(CITY)
    url += "&cflt={0}".format(c) # We assume that CFLTS list is not empty
    if PARIS_DISTRICTS: url += "&l=p:FR-75:Paris::{0}".format(
        build_arglist(PARIS_DISTRICTS))