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#!/usr/bin/env python
import sys, logging, os
from optparse import OptionParser
import tftpy
def main():
usage=""
parser = OptionParser(usage=usage)
parser.add_option('-H',
'--host',
action='store',
dest='host',
help='remote host or ip address')
parser.add_option('-p',
'--port',
action='store',
dest='port',
help='remote port to use (default: 69)',
default=69)
parser.add_option('-f',
'--filename',
action='store',
dest='filename',
help='filename to fetch')
parser.add_option('-b',
'--blocksize',
action='store',
dest='blocksize',
help='udp packet size to use (default: 512)',
default=512)
# FIXME - default should be same as --filename
parser.add_option('-o',
'--output',
action='store',
dest='output',
help='output file (default: same as requested filename)')
parser.add_option('-d',
'--debug',
action='store_true',
dest='debug',
default=False,
help='upgrade logging from info to debug')
parser.add_option('-q',
'--quiet',
action='store_true',
dest='quiet',
default=False,
help="downgrade logging from info to warning")
options, args = parser.parse_args()
if not options.host or not options.filename:
sys.stderr.write("Both the --host and --filename options "
"are required.\n")
parser.print_help()
sys.exit(1)
if options.debug and options.quiet:
sys.stderr.write("The --debug and --quiet options are "
"mutually exclusive.\n")
parser.print_help()
sys.exit(1)
if not options.output:
options.output = os.path.basename(options.filename)
class Progress(object):
def __init__(self, out):
self.progress = 0
self.out = out
def progresshook(self, pkt):
self.progress += len(pkt.data)
self.out("Downloaded %d bytes" % self.progress)
if options.debug:
tftpy.setLogLevel(logging.DEBUG)
elif options.quiet:
tftpy.setLogLevel(logging.WARNING)
else:
tftpy.setLogLevel(logging.INFO)
progresshook = Progress(tftpy.logger.info).progresshook
tftp_options = {}
if options.blocksize:
tftp_options['blksize'] = int(options.blocksize)
tclient = tftpy.TftpClient(options.host,
int(options.port),
tftp_options)
tclient.download(options.filename,
options.output,
progresshook)
if __name__ == '__main__':
main()
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