Fetch all the things. https://stackoverflow.com/a/52129017/486399

data_fetcher.py

#The stackoverflow link is because the existing answer is no longer accurate.

import gzip
import io
import urllib3

class EDDBMultiDataFetcher():
    def __init__(self):
        self.files_dict = {
            'Populated Systems':'https://eddb.io/archive/v5/systems_populated.jsonl',
            'Stations':'https://eddb.io/archive/v5/stations.jsonl',
            'Minor factions':'https://eddb.io/archive/v5/factions.jsonl',
            'Commodities':'https://eddb.io/archive/v5/commodities.json'
            }
        self.http = urllib3.PoolManager()
    def fetch_all(self):
        for item, url in self.files_dict.items():
            self.fetch(item, url)

    def fetch(self, item, url, save_file = None):
        print("Fetching: " + item)
        request = self.http.request(
            'GET',
            url,
            headers={
                'Accept-encoding': 'gzip, deflate, sdch'
                })
        data = request.data.decode('utf-8')
        print("Fetch complete")
        print(data)
        print(request.headers)
        #quit is in here so you don't fetch them all.  don't be a dick rules apply.
        #Also, save the data, don't just print it.
        quit()


if __name__ == '__main__':
    print("Fetching files from eddb.io")
    fetcher = EDDBMultiDataFetcher()
    fetcher.fetch_all()