Created
June 29, 2014 16:55
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Download a file every 30 seconds.
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import argparse | |
import datetime | |
import os | |
from twisted.internet import reactor | |
from twisted.internet import task | |
# Download an image from a URL every few seconds | |
parser = argparse.ArgumentParser( | |
description='Download an image from a URL every few seconds.') | |
parser.add_argument( | |
'-u', '--url', | |
default='http://www.ek.fi/kamera/kamera.jpg', | |
help='The URL of an image to download') | |
parser.add_argument( | |
'-t', '--timeout', | |
type=int, default=30, | |
help='Seconds to wait between downloads') | |
parser.add_argument( | |
'-o', '--outfile', | |
default='palace.jpg', | |
help='The suffix appended to a timestamp for saved files') | |
args = parser.parse_args() | |
print "URL: ", args.url | |
print "Timeout in seconds:", args.timeout | |
print "Output suffix: ", args.outfile | |
format = '%Y-%m-%d_%H%M%S' | |
def do_work(): | |
now = datetime.datetime.today() | |
print now | |
timestring = now.strftime(format) | |
print timestring | |
outfile = timestring + "_" + args.outfile | |
print "Fetching " + args.url + " to " + outfile | |
command = "wget " + args.url + " -O " + outfile | |
print command | |
os.system(command) | |
print "Fetched" | |
pass | |
loop = task.LoopingCall(do_work) | |
loop.start(args.timeout) | |
reactor.run() | |
# End of file |
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