class FlipkartTrendsPipeline(object):
def __init__(self):
self.newcsv=csv.writer(open("books.csv","w"))
#self.engine = create_engine('mysql connection')
#self.Session = sessionmaker(bind=self.engine)
#self.dt = datetime
#Base.metadata.create_all(self.engine)
self.session = Session()
def process_item(self, item, spider):
use_for = ['FlipkartSpider']
if spider.name in use_for:
log.msg(item['title'], level=log.DEBUG)
round_number = self.session.query(Meta).order_by(desc(Meta.round)).first()
#self.session.refresh(round_number)
#self.newcsv.writerow([item['author'][0],item['title'][0],item['price'][0]])
book = Books(unicode(round_number.round),unicode(item['title'][0]),unicode(item['author'][0]),flipkart=unicode(item['price'][0].split(' ')[2]))
self.session.add(book)
self.session.commit()
self.session.flush()
#session.close()
return item
else:
return item
class FlipkartTrendsPipeline(object):
def __init__(self):
self.newcsv = csv.writer(open("books.csv", "w"))
#self.engine = create_engine('mysql connection')
#self.Session = sessionmaker(bind=self.engine)
#self.dt = datetime
#Base.metadata.create_all(self.engine)
self.session = Session()
def process_item(self, item, spider):
use_for = ['FlipkartSpider']
if spider.name in use_for:
log.msg(item['title'], level=log.DEBUG)
round_number = self.session.query(Meta).order_by(desc(
Meta.round)).first()
#self.session.refresh(round_number)
#self.newcsv.writerow([item['author'][0],item['title'][0],item['price'][0]])
book = Books(unicode(round_number.round),
unicode(item['title'][0]),
unicode(item['author'][0]),
flipkart=unicode(item['price'][0].split(' ')[2]))
self.session.add(book)
self.session.commit()
self.session.flush()
#session.close()
return item
else:
return item
class FlipkartSpider(BaseSpider):
name = "FlipkartSpider"
allowed_domains = ["http://flipkart.com","www.flipkart.com"]
start_urls = [
'http://www.flipkart.com/view-books/0/new-releases'
]
def __init__(self):
#self.engine = create_engine('mysql connection')
#self.Session = sessionmaker(bind=self.engine)
#Base.metadata.create_all(self.engine)
self.session = Session()
try:
round_info = self.session.query(Meta).order_by(desc(Meta.round)).first()
print round_info
new_round = Meta(round_info.round+1)
self.session.add(new_round)
self.session.commit()
self.session.flush()
self.session.close()
except:
new_round = Meta(0)
self.session.add(new_round)
self.session.commit()
self.session.flush()
self.session.close()
def parse(self, response):
#filename = response.url.split("/")[-2]
#open(filename, 'wb').write(response.body)
hxs = HtmlXPathSelector(response)
#hxs.select('//div[@class="line bmargin10"]/h2[@class="fk-srch-item-title fksd-bodytext"]/a/text()').extract()
sites = hxs.select('//div[@class="fk-srch-item fk-inf-scroll-item"]')
#sites = hxs.select('//div[@class="lastUnit"]/div[@id="search_results"]')
items=[]
print sites.__len__()
for site in sites:
#print site
item = Book()
item['title']= site.select('div[@class="line fksd-bodytext "]/div[@class="line bmargin10"]/h2[@class="fk-srch-item-title fksd-bodytext"]/a/text()').extract()
item['author'] = site.select('div[@class="line fksd-bodytext "]/div[@class="line bmargin10"]/span[@class="fk-item-authorinfo-text fksd-smalltext"]/a/text()').extract()
item['price'] = site.select('div[@class="line fksd-bodytext "]/div[@class="unit fk-sitem-info-section"]/div[@class="line fk-itemdetail-info fksd-bodytext"]/div[@class="line dlvry-det"]/div[@class="line fk-srch-pricing fksd-smalltext"]/b[@class="fksd-bodytext price final-price"]/text()').extract()
items.append(item)
#print item
return items
