# This package will contain the spiders of your Scrapy project
#
# Please refer to the documentation for information on how to create and manage
# your spiders.
#encoding:utf8
from scrapy.spider import BaseSpider
from scrapy.selector import Selector
import scrapy 
from scrapy.contrib.loader import ItemLoader,Identity
from meizitu.items import MeizituItem

class MeizituSpider(BaseSpider):
    name="meizitu"
    allowed_domains=["meizitu.com"]
    start_urls={
        'http://www.meizitu.com',
    }
    
    def parse(self,response):
        sel=Selector(response)
        for link in sel.xpath('//h2/a/@href').extract():
            request=scrapy.Request(link,callback=self.parse_item)
            yield request
        pages=sel.xpath("//div[@class='navigation']/div[@id='wp_page_numbers']/ul/li/a/@href").extract()
        print "pages:%s"%pages
        if len(pages)>2:
            page_link=pages[-2]
            page_link=page_link.replace('/a/','')
            request=scrapy.Request('http://www.meizitu.com/a/%s' % page_link, callback=self.parse)
            yield request
    def parse_item(self,response):
        l = ItemLoader(item=MeizituItem(), response=response)
        l.add_xpath('name', '//h2/a/text()')
        l.add_xpath('tags', "//div[@id='maincontent']/div[@class='postmeta clearfix']/div[@class='metaRight']/p")
        l.add_xpath('image_urls', "//div[@id='picture']/p/img/@src", Identity())
        l.add_value('url', response.url)
        return l.load_item()
    
37424bb2ee580b2cc89f23e2750255ff5ae69459
# This package will contain the spiders of your Scrapy project
#
# Please refer to the documentation for information on how to create and manage
# your spiders.
#encoding:utf8
from scrapy.spider import BaseSpider
from scrapy.selector import Selector
import scrapy 
from scrapy.contrib.loader import ItemLoader,Identity
from meizitu.items import MeizituItem

class MeizituSpider(BaseSpider):
    name="meizitu"
    allowed_domains=["meizitu.com"]
    start_urls={
        'http://www.meizitu.com',
    }
    
    def parse(self,response):
        sel=Selector(response)
        for link in sel.xpath('//h2/a/@href').extract():
            request=scrapy.Request(link,callback=self.parse_item)
            yield request
        pages=sel.xpath("//div[@class='navigation']/div[@id='wp_page_numbers']/ul/li/a/@href").extract()
        print "pages:%s"%pages
        if len(pages)>2:
            page_link=pages[-2]
            page_link=page_link.replace('/a/','')
            request=scrapy.Request('http://www.meizitu.com/a/%s' % page_link, callback=self.parse)
            yield request
    def parse_item(self,response):
        l = ItemLoader(item=MeizituItem(), response=response)
        l.add_xpath('name', '//h2/a/text()')
        l.add_xpath('tags', "//div[@id='maincontent']/div[@class='postmeta clearfix']/div[@class='metaRight']/p")
        l.add_xpath('image_urls', "//div[@id='picture']/p/img/@src", Identity())
        l.add_value('url', response.url)
        return l.load_item()
    