我正在使用Scrapy设置一个刮板,在我的笔记本电脑上运行良好。但是当我在刮擦云上尝试同样的蜘蛛时,这条消息就会出现:
File "/usr/local/lib/python2.7/site-packages/scrapy/spidermiddlewares/depth.py", line 58, in <genexpr>
return (r for r in result or () if _filter(r))
File "/tmp/unpacked-eggs/__main__.egg/ccv_spiders/spiders/gmitem.py", line 31, in parse
data["marque"] = caritem.css("div.make::text").get().strip().split(" ", 2)[1]
AttributeError: 'SelectorList' object has no attribute 'get'
这是我的代码:
def start_requests(self):
for item in self.data:
request = scrapy.Request(item['gm_url'], callback=self.parse)
request.meta['item'] = item
yield request
def parse(self, response):
item = response.meta['item']
item['results'] = []
for caritem in response.css("div.car-item-border"):
data = AuctionItem()
urllot = "https://www.website.com/img/auctions/byLot/"
urlbase = "https://www.website.com/img/auctions/car/thumb/"
data["marque"] = caritem.css("div.make::text").get().strip().split(" ", 2)[1]
data["model"] = caritem.css("div.make::text").get().strip().split(" ", 2)[2]
data["model_year"] = caritem.css("div.make::text").get().strip().split(" ", 1)[0]
data["price_str"] = caritem.css("div.price::text").get().strip().replace(",", " ")
if caritem.css("div.price::text").get().find("Estimate"):
data["sold"] = True
else:
data["sold"] = False
data["auction_house"] = caritem.css("div.auctionHouse::text").get().split("-", 1)[0].strip()
data["auction_country"] = caritem.css("div.auctionHouse::text").get().rsplit(",", 1)[1].strip()
data["auction_date"] = caritem.css("div.date::text").get().replace(",", "").strip()
if caritem.css("div.view-auction a::attr(href)").get().find("/auction-cars/show-backup-image"):
data["auction_url"] = caritem.css("div.view-auction a::attr(href)").get()
else:
data["auction_url"] = None
data["image_urls"] = caritem.css("img.img-responsive::attr(src)").get()
if urllot in data["image_urls"]:
data["image_cloud"] = caritem.css("img.img-responsive::attr(src)").get().replace(urllot,"https://res.cloudinary.com/ccv/image/upload/auctions/")
data["image_cloud"] = re.sub(r"(?<=[A-Z])/*(?=d)", "-", data["image_cloud"])
elif urlbase in data["image_urls"]:
data["image_cloud"] = caritem.css("img.img-responsive::attr(src)").get().replace(urlbase, "https://res.cloudinary.com/ccv/image/upload/auctions/")
item['results'].append(data)
yield item
我的 Python 版本有任何问题吗?它适用于我的笔记本电脑上的Anaconda和Python 3,我不明白为什么它似乎通过"/usr/local/lib/python2.7..."使用python 2.7。
此外,我的 JSON 输出没有显示任何结果的数组。
这完全与库的版本有关。
get
和getall
方法都是由Parcel(Scrapy的解析库(在1.2.0版本中首次引入的,如果您使用的是Scrapy 1.5.2或更低版本,则不会授予该版本。
您可以使用extract_first
和extract
作为替代品,或将Scrapy升级到1.6+。