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我正在从Factiva获取数据,使用Python 3.5.2。我必须使用学校登录信息才能看到数据。如何使用python Scrapy抓取Factiva数据?
我按照这个帖子来尝试创建login spider
这是我的代码:
# Test Login Spider
import scrapy
from scrapy.selector import HtmlXPathSelector
from scrapy.http import Request
login_url = "https://login.proxy.lib.sfu.ca/login?qurl=https%3a%2f%2fglobal.factiva.com%2fen%2fsess%2flogin.asp%3fXSID%3dS002sbj1svr2sVo5DEs5DEpOTAvNDAoODZyMHn0YqYvMq382rbRQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQQAA"
user_name = b"[my_user_name]"
pswd = b"[my_password]"
response_page = "https://global-factiva-com.proxy.lib.sfu.ca/hp/printsavews.aspx?pp=Save&hc=All"
class MySpider(scrapy.Spider):
name = 'myspider'
def start_requests(self):
return [scrapy.FormRequest(login_url,
formdata={'user': user_name, 'pass': pswd},
callback=self.logged_in)]
def logged_in(self, response):
# login failed
if "authentication failed" in response.body:
print ("Login failed")
# login succeeded
else:
print ('login succeeded')
# return Request(url=response_page,
# callback=self.parse_responsepage)
def parse_responsepage(self, response):
hxs = HtmlXPathSelector(response)
yum = hxs.select('//span/@enHeadline')
def main():
test_spider = MySpider(scrapy.Spider)
test_spider.start_requests()
if __name__ == "__main__":
main()
为了办好这代码,我在项目的顶层目录中使用了终端命令行:
scrapy runspider [my_file_path]/auth_spider.py
你知道如何处理这里的错误吗?
噢,我的上帝,它显示登录成功。我以为我永远无法解决这个问题....非常感谢你! –