我想重現這一談話的代碼:scrapy蜘蛛沒有發現
https://www.youtube.com/watch?v=eD8XVXLlUTE
當我嘗試運行蜘蛛:
scrapy crawl talkspider_basic
我得到這個錯誤:
raise KeyError("Spider not found: {}".format(spider_name))
KeyError: 'Spider not found: talkspider_basic'
蜘蛛的代碼是:
from scrapy.spiders import BaseSpider
from scrapy.selector import HtmlXPathSelector
from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor
from scrapy.contrib.loader import XPathItemLoader
from pytexas.items import PytexasItem
class TalkspiderBasicSpider(BaseSpider):
name = "talkspider_basic"
allowed_domains = ["www.pytexas.org"]
start_urls = ['http://wwww.pytexas.org/2013/schedule']
def parse(self, response):
hxs = HtmlXPathSelector(response)
dls = hcs.select('///dl')
for dl in dls:
times = dl.select('dt/text()').extract()
titles = dl.select('dd/a/text()').extract()
for time, title in zip(times,titles):
title = title.strip()
yield PytexasItem(title=title,time= time)
項目的代碼是:
from scrapy.item import Item, Field
class PytexasItem(Item):
title = Field()
time = Field()
speaker = Field()
description = Field()
項目分別是
pytexas
和
talk_spider_basic.py
蜘蛛的文件的名稱,所以我不不要以爲名字會有衝突。
編輯:
它具有默認結構:
pytexas/
scrapy.cfg
pytexas/
items.py
pipelines.py
settings.py
spiders/
__init__.py
talk_spider_basic.py
你可以發佈你的項目結構嗎?謝謝。 – alecxe
'BaseSpider'已棄用,只需使用'Spider' ...本教程多長時間? –
@NickT它從2013年 –