Created
June 14, 2014 15:41
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Download multiple files parallel with multiple threads for each download.
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import urllib2 | |
import os | |
import sys | |
import time | |
import threading | |
urls = ["http://broadcast.lds.org/churchmusic/MP3/1/2/nowords/271.mp3", | |
"http://s1.fans.ge/mp3/201109/08/John_Legend_So_High_Remix(fans_ge).mp3", | |
"http://megaboon.com/common/preview/track/786203.mp3"] | |
url = urls[1] | |
def downloadFile(url, saveTo=None): | |
file_name = url.split('/')[-1] | |
if not saveTo: | |
saveTo = '/Users/userName/Desktop' | |
try: | |
u = urllib2.urlopen(url) | |
except urllib2.URLError , er: | |
print("%s for %s failed to download." % (er.reason, os.path.basename(url))) | |
else: | |
f = open(os.path.join(saveTo, file_name), 'wb') | |
meta = u.info() | |
file_size = int(meta.getheaders("Content-Length")[0]) | |
print "Downloading: %s Bytes: %s" % (file_name, file_size) | |
file_size_dl = 0 | |
block_sz = 8192 | |
while True: | |
buffer = u.read(block_sz) | |
if not buffer: | |
break | |
file_size_dl += len(buffer) | |
f.write(buffer) | |
status = r"%10d [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size) | |
status = status + chr(8)*(len(status)+1) | |
sys.stdout.write('%s\r' % status) | |
time.sleep(.2) | |
sys.stdout.flush() | |
if file_size_dl == file_size: | |
print r"Download Completed %s%% for file %s, saved to %s" % (file_size_dl * 100. / file_size, file_name, saveTo,) | |
f.close() | |
return | |
def synchronusDownload(): | |
urls_saveTo = {urls[0]: None, urls[1]: None, urls[2]: None} | |
for url, saveTo in urls_saveTo.iteritems(): | |
th = threading.Thread(target=downloadFile, args=(url, saveTo), name="%s_Download_Thread" % os.path.basename(url)) | |
th.start() |
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