Download a file and extract it

download.py

def download_file(file_location, output_filename='file.json'):
    handle = urlopen(file_location)

    with open('temp.gz', 'wb') as out:
        while True:
            data = handle.read(1024)
            if len(data) == 0:
                break
            out.write(data)

    handle = gzip.open('temp.gz')
    with open(output_filename, 'w') as out:
        for line in handle:
            out.write(line.decode('utf-8'))