web-crawler

I am trying to use Scrapy to login to a website in the init then after confirming login I want to initialize and start the standard crawl through start_urls. Im not sure what is going wrong but i get clear to the login and every thing confirms but parse_item never starts. Any help would be well appreciated. I can get it up to "================Successfully logged in=================" but I can not get to "==========================PARSE ITEM==========================" from scrapy.contrib.spiders.init import InitSpider from scrapy.http import Request, FormRequest from scrapy.contrib

I am using jsoup for reading a web page by the following function. public Document getDocuement(String url){ Document doc = null; try { doc = Jsoup.connect(url).timeout(20*1000).userAgent("Mozilla").get(); } catch (Exception e) { return null; } return doc; } But whenever i am trying to read a web page that contain javascript generated contents, jsoup does not read those contents. ie, the actual content of the page is loading by some javascript calls.So it is not present in the page source of that link. For example, this blog: http://blog.rapporter.net/search/label/r . Is there a way to get

So basically I am trying to crawl a page with a set of categories, scrape the names of each category, follow a sublink associated with each category to a page with a set of subcategories, scrape their names, and then follow each subcategory to their associated page and retrieve text data. At the end I want to output a json file formatted somewhat like: Category 1 name Subcategory 1 name data from this subcategory's page Subcategory n name data from this page Category n name Subcategory 1 name data from subcategory n's page etc. Eventually i want to be able to use this data with ElasticSearch I

I'm new on web-crawler using python 2.7. 1. Background Now, I want to collect useful data from AQICN.org which is a great website offering the air quality data all over the world. I want to use python to get all China's sites data per hour. But I'm stuck right now. 2. My trouble Take this website( http://aqicn.org/city/shenyang/usconsulate/ ) for example. This page offer the air pollution and meteorology parameters of a U.S Consulate in China. Using code like this, I can't get useful information. import urllib from bs4 import BeautifulSoup import re import json html_aqi = urllib.urlopen("http:

I need a library (hopefully in C#!) which works as a web crawler to access HTTP files and FTP files. In principle, I'm happy with reading HTML, I want to extend it to PDF, WORD, etc.. I'm happy with a starter's open source software or at least any directions for documentation. Nick Martyshchenko Check NCrawler project Simple and very efficient multithreaded web crawler with pipeline based processing written in C#. Contains HTML, Text, PDF, and IFilter document processors and language detection(Google). Easy to add pipeline steps to extract, use and alter information. I have developed the