Programming and Algorithms: Week 21

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Web Crawling

What are we doing this week?

This week we are going to look at how to open URLs and join URLs in PYTHON. We are also going to look at the code for a WEB CRAWLER in PYTHON.
 

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Powerpoint: Web Crawling
Total running time of videos is 25 minutes.

Python Page Spider Web Crawler Tutorial


Scrape Websites with Python + Beautiful Soup 4 + Requests

Links
Jean Mark Gawron: Introduction to web-crawling in Python
http://www-rohan.sdsu.edu/~gawron/python_for_ss/course_core/book_draft/web/web_intro.html
Scrapy - A Fast and Powerful Scraping and Web Crawling Program
http://scrapy.org/
HTML Scraping - The Hitchhiker's Guide to Python
http://docs.python-guide.org/en/latest/scenarios/scrape/

Sample Code:
 URL Open * URL Join * Web Crawler

Lab #21
Lab #21 is about adding options to the WEB CRAWLER program.

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If you have any suggestions, corrections, or comments, please feel free to e-mail me at:
Damian.Gordon(a)dit.ie