curl.py

#!/usr/bin/env python

from pulp.common.download.config import DownloaderConfig
from pulp.common.download.request import DownloadRequest
from pulp.common.download.backends.curl import HTTPCurlDownloadBackend

with open('files.txt') as f:
    requests = [DownloadRequest(url, url.rsplit('/', 1)[1]) for url in f.readlines()]

config = DownloaderConfig('http', max_concurrent=7)

be = HTTPCurlDownloadBackend(config)

be.download(requests)

eventlet.py

#!/usr/bin/env python

from pulp.common.download.config import DownloaderConfig
from pulp.common.download.request import DownloadRequest
from pulp.common.download.downloaders.event import HTTPEventletDownloader

with open('files.txt') as f:
    requests = [DownloadRequest(url, url.rsplit('/', 1)[1]) for url in f.readlines()]

config = DownloaderConfig(max_concurrent=7)

be = HTTPEventletDownloader(config)

be.download(requests)