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Python Scrapy not always downloading data from website

由 ☆樱花仙子☆ 提交于 2020-02-02 06:25:07
问题 Scrapy is used to parse an html page. My question is why sometimes scrapy returns the response I want, but sometimes does not return a response. Is it my fault? Here's my parsing function: class AmazonSpider(BaseSpider): name = "amazon" allowed_domains = ["amazon.org"] start_urls = [ "http://www.amazon.com/s?rh=n%3A283155%2Cp_n_feature_browse-bin%3A2656020011" ] def parse(self, response): sel = Selector(response) sites = sel.xpath('//div[contains(@class, "result")]') items = [] titles = {

Trusted Site in IE - html title is ignored

由 自闭症网瘾萝莉.ら 提交于 2020-01-01 16:57:11
问题 When we add our domain as a trusted site to IE, then the html 'title' tag is ignored and the page url is shown in the browser header bar. Whn we remove our domain from the trusted sites list then the correct title is shown in the header bar. This only occurs in a popup window. Why is this?! ( I should add, this is in IE8 - same thing occurs in any mode) 回答1: Thanks to marktucks for pointing me in the right direction. In my case the solution was to 'enable' the 'Allow script-initiated windows

Trusted Site in IE - html title is ignored

由 假如想象 提交于 2020-01-01 16:56:45
问题 When we add our domain as a trusted site to IE, then the html 'title' tag is ignored and the page url is shown in the browser header bar. Whn we remove our domain from the trusted sites list then the correct title is shown in the header bar. This only occurs in a popup window. Why is this?! ( I should add, this is in IE8 - same thing occurs in any mode) 回答1: Thanks to marktucks for pointing me in the right direction. In my case the solution was to 'enable' the 'Allow script-initiated windows

Scrapy does not write data to a file

由 情到浓时终转凉″ 提交于 2019-12-22 20:33:12
问题 He created a spider in Scrapy: items.py: from scrapy.item import Item, Field class dns_shopItem (Item): # Define the fields for your item here like: # Name = Field () id = Field () idd = Field () dns_shop_spider.py: from scrapy.contrib.spiders import CrawlSpider, Rule from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor from scrapy.contrib.loader.processor import TakeFirst from scrapy.contrib.loader import XPathItemLoader from scrapy.selector import HtmlXPathSelector from dns_shop

Scrapy does not write data to a file

由 江枫思渺然 提交于 2019-12-22 20:32:10
问题 He created a spider in Scrapy: items.py: from scrapy.item import Item, Field class dns_shopItem (Item): # Define the fields for your item here like: # Name = Field () id = Field () idd = Field () dns_shop_spider.py: from scrapy.contrib.spiders import CrawlSpider, Rule from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor from scrapy.contrib.loader.processor import TakeFirst from scrapy.contrib.loader import XPathItemLoader from scrapy.selector import HtmlXPathSelector from dns_shop

multiple sites on IIS7 under the same URL and port but on different directories

由 ￣綄美尐妖づ 提交于 2019-12-22 08:15:34
问题 I would like to host multiple applications on the same IIS. The problem is I need to use the same URL like www.example.com, but different directories. Also the port needs to be 80, or at least transparent to the end user, so I'd like to have something like his: www.example.com/app1 www.example.com/app2 The problem is IIS does not let me create 2 sites with the same domain and the same port and I don't wanna use subdomains if possible. Both apps should not be on the same site since they are

Django Sites Framework initial setup

由 瘦欲@ 提交于 2019-12-20 14:21:44
问题 I'm comfortable with fairly one-dimensional Django implementations, but now trying to understand the multi-sites-with-shared-stuff process. I've read through the Django Sites Framework and many posts on the topic, but I'm not getting the basics of how to start a second site that uses the same database, but presents itself as at a separate domain name. I have a very happy and by-the-book django site consisting of one app running in a project. To use the parlance of the tutorials I began a

Flex and Salesforce connection: NOT ABLE TO login from flex to salesforce

由 拥有回忆 提交于 2019-12-12 01:39:12
问题 I am trying to log in from flex to salesforce, but I get security error accessing url . <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns:salesforce="http://www.salesforce.com/" layout="absolute" width="500" height="300" backgroundGradientAlphas="[1.0, 1.0]" backgroundGradientColors="[#FFFFFF, #FFFFFF]" applicationComplete="init()"> <mx:Script> <![CDATA[ import mx.controls.Alert; import mx.collections.ArrayCollection; import com.salesforce

Wordpress share users database for Login

由 ぃ、小莉子 提交于 2019-12-11 12:57:25
问题 What i'm trying to do is to share the users credentials between 2 or more Wordpress installations on the same database. I read many tutorials, and forums on this one but none gave me a clear answer on this one. So according to Wordpress Codex ([1]), all I have to do is add the code below to wp-config.php (child installation) in order to switch tables for users and usermeta: define( 'CUSTOM_USER_TABLE', 'main_users' ); define( 'CUSTOM_USER_META_TABLE', 'main_usermeta' ); This allows me to

Python Scrapy not always downloading data from website

由 心不动则不痛 提交于 2019-12-05 22:31:42
Scrapy use to parse an html. My question is why sometimes my back scrapy response to what I want, but sometimes does not return a response. Is it my fault? Here's how seems parsing function. class AmazonSpider(BaseSpider): name = "amazon" allowed_domains = ["amazon.org"] start_urls = [ "http://www.amazon.com/s?rh=n%3A283155%2Cp_n_feature_browse-bin%3A2656020011" ] def parse(self, response): sel = Selector(response) sites = sel.xpath('//div[contains(@class, "result")]') items = [] titles = {'titles': sites[0].xpath('//a[@class="title"]/text()').extract()} for title in titles['titles']: item =
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