Mission - scraping the planet, one website at a time
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README.md

On Your Mark, Get Set, Scrape !!

This repository holds the code for scrapers built under the project "Scrape the Planet"

  • Methods used for scraping : Scrapy
  • Language used for scraping : Python3.X.X

Minutes of the meeting: http://bit.ly/scrapeThePlanet

Automatic Installation

Modify Hosts File scrapeNews/install/ansible/hosts and use ansible-playbook install.yaml -i hosts to automatically deploy the complete application on server.

For customising other vars like username, deploy_base, etc, edit the scrapeNews/install/ansible/group_vars/all file.

Manual Installation

Clone the repository (or download it). Then, follow the installation steps to run the spiders.

Directory Structure

ROOT
|__ deploy
|_____ env.sh
|_____ web
|_______ web_app
|_______ scrapeNews
|_________ db.py
|_________ settings.py
|_____ logs
|_____ start
|_____ VENV_NAME
|__ scrape

Create a Virtual Environemnt

path: ROOT/deploy/VENV_NAME

python3 -m venv VENV_NAME

Activate the venv

Windows: VENV_NAME/Scripts/activate Linux: source VENV_NAME/bin/activate

Install the requirements

Navigate to repository: pip install -r requirements.txt

  • Requirements(For scraping):
    • scrapy
    • requests
    • python-dateutil
  • Requirements (For database):
    • psycopg2
  • Requirements (For flask Application):
    • flask
    • gunicorn
  • Requirements (For deploying and scheduling spiders)

Install TOR and Privoxy

Install TOR

sudo apt-get install tor

Install Privoxy

sudo apt-get install privoxy

Configure Privoxy to route TOR

Add following lines at the end of /etc/privoxy/config

forward-socks5  / 127.0.0.1:9050 .
forward-socks4a / 127.0.0.1:9050 .
forward-socks5t / 127.0.0.1:9050 .

Start TOR And Privoxy

sudo service tor start
sudo service privoxy start

Database Setup (PostgreSQL)

Installation in Debian:

sudo apt-get install postgresql postgresql-contrib

Make User:

Note: Your USERNAME and PASSWORD must contain only smallcase characters.

sudo -i -u postgres
createuser YOUR_ROLE_NAME/YOUR_USERNAME --interactive --pwprompt

Make Environment Configuration File

path: ROOT/deploy/env.sh

# Set The Environment Variables
export SCRAPER_DB_HOST="ENTER_VALUE_HERE"
export SCRAPER_DB_USER="ENTER_VALUE_HERE"
export SCRAPER_DB_PASS="ENTER_VALUE_HERE"
export SCRAPER_DB_NAME="ENTER_VALUE_HERE"
export SCRAPER_DB_TABLE_NEWS="ENTER_VALUE_HERE"
export SCRAPER_DB_TABLE_SITE="ENTER_VALUE_HERE"
export SCRAPER_DB_TABLE_LOG="ENTER_VALUE_HERE"
export FLASK_APP="ROOT/deploy/web/web_app/server.py"

Install Web App

Copy Required Files

Copy ROOT/scrape/scrapeNews/web_app/* to ROOT/deploy/web/web_app/* Copy ROOT/scrape/scrapeNews/scrapeNews/settings.py to ROOT/deploy/web/scrapeNews/ Copy ROOT/scrape/scrapeNews/scrapeNews/db.py to ROOT/deploy/web/scrapeNews/

Install Nginx and Gunicorn

path: ROOT/deploy/

sudo apt-get install nginx
source ROOT/deploy/VENV_NAME/bin/activate
pip install gunicorn

Install Nginx Config

Replace Vars in ROOT/scrape/scrapeNews/install/standard/nginx-site/scraper and copy it to /etc/nginx/sites-available/ and create symbolic link:

sudo ln -s /etc/nginx/sites-available/scraper /etc/nginx/sites-enabled/scraper
sudo service nginx restart

Install Systemd Service

Copy startup script from ROOT/scrape/scrapeNews/install/standard/start to ROOT/deploy/start Replace Vars in ROOT/scrape/scrapeNews/install/standard/systemd/scraper.service and copy it to /etc/systemd/system/, enable the service:

sudo systemctl daemon-reload
sudo systemctl restart scraper
sudo systemctl enable scraper

Run Spiders

Note: Navigate to the folder containing scrapy.cfg path: ROOT\scrape\scrapeNews

scrapy crawl SPIDER_NAME

SPIDER_NAME List:

1. indianExpressTech
2. indiaTv  
3. timeTech
4. ndtv
5. inshorts
6. zee
7. News18Spider
8. moneyControl
9. oneindia
10. oneindiaHindi
11. firstpostHindi
12. firstpostSports
13. newsx
14. hindustan
15. asianage
16. timeNews
17. newsNation

Options (Depreciated)

To set the number of pages to be scraped use -a pages = X (X = Number of pages to scrape). Applicable for:

  1. indianExpressTech
  2. indiaTv
  3. timeTech
  4. moneyControl
  5. oneindia
  6. oneindiaHindi
  7. firstpostHindi
  8. firstpostSports
  9. newsx
  10. asianage
  11. ndtv
  12. timeNews

To set the number of pages to be scraped use -a offset = X (X = Number of pages to skip). Applicable for:

  1. indianExpressTech
  2. indiaTv
  3. timeTech
  4. moneyControl
  5. oneindia
  6. oneindiaHindi
  7. firstpostHindi
  8. firstpostSports
  9. newsx
  10. asianage
  11. timeNews