Python-сообщество

 #! coding: utf-8
__author__ = 'iam'
from scrapy.contrib.spiders import CrawlSpider, Rule
from scrapy.contrib.linkextractors import LinkExtractor
from scrapy.item import Item, Field
from scrapy.contrib.loader import XPathItemLoader
from scrapy.contrib.loader.processor import TakeFirst
from scrapy.http import Request, FormRequest
from scrapy import Selector
#
class ScrapyTestItem(Item):
    title = Field()
    url = Field()
class Test03Loader(XPathItemLoader):
    default_output_processor = TakeFirst()
class ScrapyTestSpider(CrawlSpider):
    name = "cr01"
    allowed_domains = ["ecom.elko.ru"]
    start_urls = ["https://ecom.elko.ru/Account/Login",
                  "https://ecom.elko.ru/Catalog/Category/SCO"
                  ]
    rules = (
        Rule(LinkExtractor(
            allow=('https://ecom.elko.ru/Catalog/Product/')),
             callback='parse_item', follow=False),
    )
    def parse(self, response):
        return [FormRequest.from_response(response,
                    formdata={'username': 'tiscom6', 'password': '6307860'},
                    callback=self.after_login)]
    def after_login(self, response):
        # check login succeed before going on
        if "authentication failed" in response.body:
            self.log("Login failed", level=log.ERROR)
            return
    def parse_item(self, response):
        hxs = HtmlXPathSelector(response)
        l = Test03Loader(ScrapyTestItem(), hxs)
        l.add_xpath('title', "//h1/text()")
        l.add_value('url', response.url)
        return l.load_item()

 2016-12-17 23:46:21 [scrapy] INFO: Spider opened
2016-12-17 23:46:21 [scrapy] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 i
tems (at 0 items/min)
2016-12-17 23:46:21 [scrapy] DEBUG: Telnet console listening on 127.0.0.1:6023
2016-12-17 23:46:21 [scrapy] DEBUG: Redirecting (302) to <GET https://ecom.elko.
ru/Account/Login?ReturnUrl=%2fCatalog%2fCategory%2fSCO> from <GET https://ecom.e
lko.ru/Catalog/Category/SCO>
2016-12-17 23:46:21 [scrapy] DEBUG: Crawled (200) <GET https://ecom.elko.ru/Acco
unt/Login> (referer: None)
2016-12-17 23:46:21 [scrapy] DEBUG: Crawled (200) <GET https://ecom.elko.ru/Acco
unt/Login?ReturnUrl=%2fCatalog%2fCategory%2fSCO> (referer: None)
2016-12-17 23:46:21 [scrapy] DEBUG: Crawled (200) <POST https://ecom.elko.ru/Acc
ount/Login> (referer: https://ecom.elko.ru/Account/Login)
2016-12-17 23:46:22 [scrapy] DEBUG: Crawled (200) <POST https://ecom.elko.ru/Acc
ount/Login?ReturnUrl=%2fCatalog%2fCategory%2fSCO> (referer: https://ecom.elko.ru
/Account/Login?ReturnUrl=%2fCatalog%2fCategory%2fSCO)
2016-12-17 23:46:22 [scrapy] INFO: Closing spider (finished)
2016-12-17 23:46:22 [scrapy] INFO: Dumping Scrapy stats:
{'downloader/request_bytes': 2365,
 'downloader/request_count': 5,
 'downloader/request_method_count/GET': 3,
 'downloader/request_method_count/POST': 2,
 'downloader/response_bytes': 19527,
 'downloader/response_count': 5,
 'downloader/response_status_count/200': 4,
 'downloader/response_status_count/302': 1,
 'finish_reason': 'finished',
 'finish_time': datetime.datetime(2016, 12, 17, 20, 46, 22, 105000),
 'log_count/DEBUG': 6,
 'log_count/INFO': 7,
 'request_depth_max': 1,
 'response_received_count': 4,
 'scheduler/dequeued': 5,
 'scheduler/dequeued/memory': 5,
 'scheduler/enqueued': 5,
 'scheduler/enqueued/memory': 5,
 'start_time': datetime.datetime(2016, 12, 17, 20, 46, 21, 433000)}
2016-12-17 23:46:22 [scrapy] INFO: Spider closed (finished)