#!/usr/bin/python
#
# Copyright (C) 2007, Canonical Ltd.
# Written by Daniel Holbach
#
# ##################################################################
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 3.
# 
# This program 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 General Public License for more details.
#
# See file /usr/share/common-licenses/GPL-3 for more details.
#
# ##################################################################

import os
import sys
from ubuntutools.lp.libsupport import get_launchpad

USAGE = "grab-attachments <bug numbers>"

def main():
    if len(sys.argv) == 1:
        print >> sys.stderr, USAGE
        sys.exit(1)

    if sys.argv[1] in ["--help", "-h"]:
        print USAGE
        sys.exit(0)

    try:
        launchpad = get_launchpad("ubuntu-dev-tools")

        for arg in sys.argv[1:]:
            try:
                number = int(arg)
            except:
                print >> sys.stderr, "'%s' is not a valid bug number." % arg
                sys.exit(1)
    
            b = launchpad.bugs[number]
      
            for a in b.attachments:
                f = a.data.open()
                filename = os.path.join(os.getcwd(), f.filename)
                local_file = open(filename, "w")
                local_file.write(f.read())
                f.close()
                local_file.close()

    # no LP credentials
    except IOError, e:
        print e
        sys.exit(1)

if __name__ == '__main__':
    main()