Fetch/retrieve new and improved licenses from external sources

[pombredanne]

SPDX, DejaCode and other would be a good start.
The goal would be to have a single purpose script to fetch, sync and update the ScanCode data

[tdruez]

@jdaguil here's the base to call the DejaCode API in with Requests.
You should be able to write a script to collect all license key based on the following:

import requests

api_url = 'https://enterprise.dejacode.com/api/v2/licenses/?format=json'
headers = {'Authorization': 'Token YOUR_API_KEY_HERE'}

response = requests.get(api_url, headers=headers)
response.json()

[pombredanne]

This is all done now. The etc/scripts/synclic.py script can sync with SPDX and DejaCode. More sync sources could be added as needed.