download-with-progress.py

import requests


URL = 'http://speedtest-sfo1.digitalocean.com/10mb.test'

headers = {'User-Agent': '-.-'}
resp = requests.get(URL, headers=headers, stream=True)
totalsize = int(resp.headers.get('content-length', '0'))
with open('10mb.test', 'wb') as f:
    downsize = 0
    for chunk in resp.iter_content(1024 * 100):
        f.write(chunk)
        downsize += len(chunk)
        if totalsize:
            s = "%3.2f%% ====> %.2f MiB / %.2f MiB" % \
                (downsize / totalsize * 100,
                 downsize / 1024 / 1024,
                 totalsize / 1024 / 1024)
            print(s, end='\r')