Remember to sudo -H pip install <package-name> for crontab capability on Ubuntu Server 18.04

The config should be stored in the root directory as config.json. It's contents are a JSON Object like the following:

{
  "alpha_scraper": {
    "api_key": "21A6A6RUF2M0XJB0",
    "scrape_symbols": ["GGAL", "BBAR", "GOLD"]
  },
  "balanz_scraper": {
    "pass": "XXX",
    "user": "user"
  },
  "ggal_options": {}
}

packages to pip install: requests

packages to pip install: requests, websockets

packages to pip install: requests, beautifulsoup4

packages to pip install: requests, beautifulsoup4, selenium