send async HTTP requests using grequests with tqdm progress bar

grequests_tqdm.py

from tqdm import tqdm
import requests, grequests

class ProgressSession():
    def __init__(self, urls):
        self.pbar = tqdm(total = len(urls), desc = 'Making async requests')
        self.urls = urls
    def update(self, r, *args, **kwargs):
        if not r.is_redirect:
            self.pbar.update()
    def __enter__(self):
        sess = requests.Session()
        sess.hooks['response'].append(self.update)
        return sess
    def __exit__(self, *args):
        self.pbar.close()

def get_urls_async(urls):
  with ProgressSession(urls) as sess:
      rs = (grequests.get(url, session = sess, timeout = 5) for url in urls)
      return grequests.map(rs)

fire