def dump(self, action=None):
from ghost_spider.elastic import SalonEs
from ghost_spider import progressbar
filename = self.get_filename_by_name(self.name, u'salons.csv')
query = {"query": {"bool": {"must": [{"term": {"prefecture_ascii": self.name}}]}}}
if action == 'recover':
query["query"]["bool"]["must"].append({"term": {"recovered": "1"}})
filename = self.get_filename_by_name(self.name, u'salons_recover.csv')
if os.path.exists(filename):
os.remove(filename)
progress = None
total = 0
page = 1
limit = 100
sort = [{"area.untouched": "asc"}]
print "=" * 100
print "dumping data for %s" % self.name
while True:
salons, total = SalonEs.pager(query=query, page=page, size=limit, sort=sort)
page += 1
if not salons or not len(salons):
break
if not progress:
print u'Total: %s' % total
progress = progressbar.AnimatedProgressBar(end=total, width=100)
progress + limit
progress.show_progress()
for salon in salons:
self.save_to_csv(filename, salon)
print " "
def parse(self, response):
sel = Selector(response)
links = sel.xpath(SalonSelectors.LIST_SALONS).extract()
next_page = self.get_property(sel, SalonSelectors.NEXT_URL)
print u'links: %s, %s' % (len(links), response.url)
if SalonSelectors.is_first_page(sel):
total = SalonSelectors.get_list_total(sel)
if total > 999:
# yahoo search can not paginate beyond 1000 items
# so need to run crawler for smaller areas
self.log_message(u'Pagination overflow: %s' % response.url)
if links:
for link in links:
canonical = link.split('?')[0]
if SalonEs.check_by_url(canonical):
self.count_skip += 1
print u'%s: skipped: %s' % (self.count_skip, link)
continue
request = Request(link, callback=self.parse_salon, errback=self.parse_err)
request.meta['page_kind'] = 'salon'
yield request
if next_page:
request = Request(next_page, callback=self.parse, errback=self.parse_err)
request.meta['page_kind'] = 'list'
yield request
