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import os
import progressbar
from urllib.request import urlopen
def downloadWithProgressBar(url, outputDirectory="./", forceDownload=False):
baseName = os.path.basename(url)
fileName = os.path.join(outputDirectory, baseName)
if not forceDownload and os.path.exists(fileName):
return fileName
request = urlopen(url)
totalSize = int(request.info().get('Content-Length').strip())
bar = progressbar.ProgressBar(maxval=totalSize).start()
chunkSize = 16 * 1024
downloaded = 0
print("Downloading %s" % url)
os.umask(0o002)
with open(fileName, 'wb') as fp:
while True:
chunk = request.read(chunkSize)
downloaded += len(chunk)
bar.update(downloaded)
if not chunk:
break
fp.write(chunk)
bar.finish()
return fileName