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Parallelism in one line
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import urllib2 | |
from multiprocessing.dummy import Pool as ThreadPool | |
urls = [ | |
'http://www.python.org', | |
'http://www.python.org/about/', | |
'http://www.onlamp.com/pub/a/python/2003/04/17/metaclasses.html', | |
'http://www.python.org/doc/', | |
'http://www.python.org/download/', | |
'http://www.python.org/getit/', | |
'http://www.python.org/community/', | |
'https://wiki.python.org/moin/', | |
'http://planet.python.org/', | |
'https://wiki.python.org/moin/LocalUserGroups', | |
'http://www.python.org/psf/', | |
'http://docs.python.org/devguide/', | |
'http://www.python.org/community/awards/' | |
# etc.. | |
] | |
# Make the Pool of workers | |
pool = ThreadPool(4) | |
# Open the urls in their own threads | |
# and return the results | |
results = pool.map(urllib2.urlopen, urls) | |
#close the pool and wait for the work to finish | |
pool.close() | |
pool.join() |
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