Open Gazettes SL Scraper

Installation

• Clone repo and cd into it
• Make virtual environment
• pip install -r requirements.txt
• Set ENV variables
  • SCRAPY_AWS_ACCESS_KEY_ID - Get this from AWS
  • SCARPY_AWS_SECRET_ACCESS_KEY - Get this from AWS
  • SCRAPY_FEED_URI=s3://name-of-bucket-here/gazettes/gazete_index.jsonlines - Where you want the jsonlines output for crawls to be saved. This can also be a local location
  • SCRAPY_FILES_STORE=s3://name-of-bucket-here/gazettes - Where you want scraped gazettes to be stored. This can also be a local location

Running it Locally

• To run the spider locally, you can choose to store the scraped files locally to do this set the ENV variable
• SCRAPY_FILES_STORE=/directory/to/store/the/files which should point to a local folder
• Then run the command scrapy crawl sl_gazettes -a year=2016 -o sl_gazettes.jsonlines
  where year is the year you want to scrape gazettes from
• sn_gazettes.jsonlines is the file where crawls are saved, this too can be a directory

Deploying to Scraping Hub

It is recommended that you deploy your crawler to scrapinghub for easy management. Follow these steps to do this:

• Sign up for free scraping hub account here
• Install shub locally using pip install shub. Further instructions here
• shub login
• shub deploy
• Login to scrapinghub and set up the above ENV variables Note that on scraping hub, environment variables should not have SCRAPY_ prefix

Installing scrapy-deltafetch on MacOS

• brew install berkeley-db
• export YES_I_HAVE_THE_RIGHT_TO_USE_THIS_BERKELEY_DB_VERSION=1
• BERKELEYDB_DIR=$(brew --cellar)/berkeley-db/6.2.23 pip install bsddb3. Replace 6.2.23 with the version of berkeley-db that you installed
• pip install scrapy-deltafetch