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我刚开始使用scrapy。我在scrapy上登录时遇到了一些问题。我正在尝试网站www.instacart.com上的刮擦项目。但我什么我做错了高度赞赏面临采伐问题。Python scrapy - 登录认证问题
以下是代码
import scrapy
from scrapy.loader import ItemLoader
from project.items import ProjectItem
from scrapy.http import Request
from scrapy import optional_features
optional_features.remove('boto')
class FirstSpider(scrapy.Spider):
name = "first"
allowed_domains = ["https://instacart.com"]
start_urls = [
"https://www.instacart.com"
]
def init_request(self):
return Request(url=self.login_page, callback=self.login)
def login(self, response):
return scrapy.FormRequest('https://www.instacart.com/#login',
formdata={'email': '[email protected]', 'password': 'xxxxxx',
},
callback=self.parse)
def check_login_response(self, response):
return scrapy.Request('https://www.instacart.com/', self.parse)
def parse(self, response):
if "Goutam" in response.body:
print "Successfully logged in. Let's start crawling!"
else:
print "Login unsuccessful"
以下是错误消息
C:\Users\gouta\PycharmProjects\CSG_Scraping\csg_wholefoods>scrapy crawl first
2016-06-15 10:44:50 [scrapy] INFO: Scrapy 1.0.3 started (bot: project)
2016-06-15 10:44:50 [scrapy] INFO: Optional features available: ssl, http11
2016-06-15 10:44:50 [scrapy] INFO: Overridden settings: {'NEWSPIDER_MODULE': 'project.spiders', 'SPIDER_MODULES': ['project.spiders'], 'ROBOTSTXT_OBEY': True, 'BOT_NAME': 'project'}
2016-06-15 10:44:50 [scrapy] INFO: Enabled extensions: CloseSpider, TelnetConsole, LogStats, CoreStats, SpiderState
2016-06-15 10:44:50 [scrapy] INFO: Enabled downloader middlewares: RobotsTxtMiddleware, HttpAuthMiddleware, DownloadTimeoutMiddleware, UserAgentMiddleware, RetryMiddleware, DefaultHeadersMiddleware, MetaRefreshMiddleware, HttpCompressionMiddleware, RedirectMiddleware, CookiesMiddleware, ChunkedTransferMiddleware, DownloaderStats
2016-06-15 10:44:51 [scrapy] INFO: Enabled spider middlewares: HttpErrorMiddleware, OffsiteMiddleware, RefererMiddleware, UrlLengthMiddleware, DepthMiddleware
2016-06-15 10:44:51 [scrapy] INFO: Enabled item pipelines:
2016-06-15 10:44:51 [scrapy] INFO: Spider opened
2016-06-15 10:44:51 [scrapy] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2016-06-15 10:44:51 [scrapy] DEBUG: Telnet console listening on 127.0.0.1:6023
2016-06-15 10:44:51 [scrapy] DEBUG: Crawled (200) <GET https://www.instacart.com/robots.txt> (referer: None)
2016-06-15 10:44:51 [scrapy] DEBUG: Crawled (200) <GET https://www.instacart.com> (referer: None)
Login unsuccessful
2016-06-15 10:44:51 [scrapy] INFO: Closing spider (finished)
2016-06-15 10:44:51 [scrapy] INFO: Dumping Scrapy stats:
{'downloader/request_bytes': 440,
'downloader/request_count': 2,
'downloader/request_method_count/GET': 2,
'downloader/response_bytes': 17182,
'downloader/response_count': 2,
'downloader/response_status_count/200': 2,
'finish_reason': 'finished',
'finish_time': datetime.datetime(2016, 6, 15, 15, 44, 51, 767000),
'log_count/DEBUG': 3,
'log_count/INFO': 7,
'response_received_count': 2,
'scheduler/dequeued': 1,
'scheduler/dequeued/memory': 1,
'scheduler/enqueued': 1,
'scheduler/enqueued/memory': 1,
'start_time': datetime.datetime(2016, 6, 15, 15, 44, 51, 31000)}
2016-06-15 10:44:51 [scrapy] INFO: Spider closed (finished)
任何意见。
优秀的答案!我能够成功登录上面的蜘蛛。我修改了登录方法中的回调函数以执行一个新方法:def check_login_response(self,response): return scrapy.Request('https://www.instacart.com/store/whole-foods/departments/2883/aisles/23027',self.parse)',但响应主体似乎有任何主页的内容。 – goutam
明天我有空时可以看看 –
谢谢。甚至没有查看表格数据以确保我传递正确的参数。 https://3.bp.blogspot.com/-HcvXeTjWqrU/Uk5yb8taKdI/AAAAAAAABW4/conixlMQDes/s1600/stupid+gif.gif – Craicerjack