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Showing posts with the label Web Crawler

Scrapy Getting Values From Multiple Sites

I'm trying to pass a value from a function. i looked up the docs and just didn't understand… Read more Scrapy Getting Values From Multiple Sites

Why Can't I Play The Midi Files I Have Downloaded Programmatically, But I Can Play Them When I Download Them Manually?

I want to download the MIDI files from this website for a project. I have written the following cod… Read more Why Can't I Play The Midi Files I Have Downloaded Programmatically, But I Can Play Them When I Download Them Manually?

How To Avoid Redirection Of The Webcrawler To The Mobile Edition?

I subclassed a CrawlSpider and want to extract data from website. However, I always get redirected … Read more How To Avoid Redirection Of The Webcrawler To The Mobile Edition?

Python Error While Scraping Microsoft Cve Webpage

So, I read the question below. The answer provides some codes for further testing. How can I scrape… Read more Python Error While Scraping Microsoft Cve Webpage

Scrapy Returning A Null Output When Extracting An Element From A Table Using Xpath

I have been trying to scrape this website that has details of oil wells in Colorado https://cogcc.s… Read more Scrapy Returning A Null Output When Extracting An Element From A Table Using Xpath

Python Threading Or Multiprocessing For Web-crawler?

I've made simple web-crawler with Python. So far everything it does it creates set of urls that… Read more Python Threading Or Multiprocessing For Web-crawler?

How To Set Different Ip According To Different Commands Of One Single Scrapy.spider?

I have a bunch of pages to scrape, about 200 000. I usually use Tor and Polipo proxy to hide my spi… Read more How To Set Different Ip According To Different Commands Of One Single Scrapy.spider?

Why Scrapy Returns An Iframe?

i want to crawl this site by Python-Scrapy i try this class Parik(scrapy.Spider): name = 'o… Read more Why Scrapy Returns An Iframe?

How To Automate This Downloading Prompt Using Python?

I made a crawler for downloading torrent from a specific torrent site using selenium and python. Th… Read more How To Automate This Downloading Prompt Using Python?

Python Web Crawler Sometimes Returns Half Of The Source Code, Sometimes All Of It... From The Same Website

I have a spreadsheet of patent numbers that I'm getting extra data for by scraping Google Paten… Read more Python Web Crawler Sometimes Returns Half Of The Source Code, Sometimes All Of It... From The Same Website

Attributeerror: 'nonetype' Object Has No Attribute 'strip' With Python Webcrawler

I'm writing a python program to crawl twitter using a combination of urllib2, the python twitte… Read more Attributeerror: 'nonetype' Object Has No Attribute 'strip' With Python Webcrawler

Google Crawl 503 Service Unavailable

I have got a very strange problem when I crawl google search engine with wget, curl or python on my… Read more Google Crawl 503 Service Unavailable

Info: Crawled 0 Pages (at 0 Pages/min), Scraped 0 Items (at 0 Items/min)

I just began to learn Python and Scrapy. My first project is to crawl information on a website cont… Read more Info: Crawled 0 Pages (at 0 Pages/min), Scraped 0 Items (at 0 Items/min)

Python Scrapy On Offline (local) Data

I have a 270MB dataset (10000 html files) on my computer. Can I use Scrapy to crawl this dataset lo… Read more Python Scrapy On Offline (local) Data

Click On Buttons With Images

I'm trying to crawl this page: http://www.1800contractor.com/d.HI.html I made this script from… Read more Click On Buttons With Images

Youtube Data Api To Crawl All Comments And Replies

I have been desperately seeking a solution to crawl all comments and corresponding replies for my r… Read more Youtube Data Api To Crawl All Comments And Replies

Scrapy Returns More Results Than Expected

This is a continuation of the question: Extract from dynamic JSON response with Scrapy I have a Scr… Read more Scrapy Returns More Results Than Expected

How To Wait For Page Load To Complete?

I'm trying to get available boot size (under $('option.addedOption')) from http://www.n… Read more How To Wait For Page Load To Complete?

Scrapyd-client Command Not Found

I'd just installed the scrapyd-client(1.1.0) in a virtualenv, and run command 'scrapyd-depl… Read more Scrapyd-client Command Not Found

Save Data To Csv File Using Python

My data, that I've extracted from a webpage looks like below after using print statement. [[u&… Read more Save Data To Csv File Using Python