#! /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))