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| Current File : //usr/libexec/urlgrabber-ext-down |
#! /usr/bin/python
# A very simple external downloader
# Copyright 2011-2012 Zdenek Pavlas
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA
import time, os, errno, sys
from urlgrabber.grabber import \
_readlines, URLGrabberOptions, _loads, \
PyCurlFileObject, URLGrabError
def write(fmt, *arg):
try: os.write(1, fmt % arg)
except OSError, e:
if e.args[0] != errno.EPIPE: raise
sys.exit(1)
class ProxyProgress:
def start(self, *d1, **d2):
self.next_update = 0
def update(self, _amount_read):
t = time.time()
if t < self.next_update: return
self.next_update = t + 0.31
write('%d %d\n', self._id, _amount_read)
def main():
import signal
signal.signal(signal.SIGINT, lambda n, f: sys.exit(1))
cnt = 0
while True:
lines = _readlines(0)
if not lines: break
for line in lines:
cnt += 1
opts = URLGrabberOptions()
opts._id = cnt
for k in line.split(' '):
k, v = k.split('=', 1)
setattr(opts, k, _loads(v))
if opts.progress_obj:
opts.progress_obj = ProxyProgress()
opts.progress_obj._id = cnt
dlsz = dltm = 0
try:
fo = PyCurlFileObject(opts.url, opts.filename, opts)
fo._do_grab()
fo.fo.close()
size = fo._amount_read
if fo._tm_last:
dlsz = fo._tm_last[0] - fo._tm_first[0]
dltm = fo._tm_last[1] - fo._tm_first[1]
ug_err = 'OK'
except URLGrabError, e:
size = 0
ug_err = '%d %d %s' % (e.errno, getattr(e, 'code', 0), e.strerror)
write('%d %d %d %.3f %s\n', opts._id, size, dlsz, dltm, ug_err)
if __name__ == '__main__':
main()