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#!/usr/bin/python3
# mdmv -- safely move messages between maildirs
# Copyright (C) 2017-2018 Sean Whitton
#
# 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, either version 3 of the License, or (at
# your option) any later version.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import os
import sys
import time
import shutil
import socket
def eprint(*args, **kwargs):
print(*args, file=sys.stderr, **kwargs)
us = os.path.basename(sys.argv[0])
if len(sys.argv) < 3:
eprint(us + ": usage: " + us + " MSG [MSG..] DEST")
sys.exit(1)
dest = sys.argv[-1]
for msg in sys.argv[1:-1]:
if not os.path.isfile(msg):
eprint(us + ": " + msg + " does not exist")
sys.exit(1)
for d in [os.path.join(dest, "cur"), os.path.join(dest, "new"), os.path.join(dest, "tmp")]:
if not os.path.isdir(d):
eprint(us + ": " + dest + " doesn't look like a Maildir")
sys.exit(1)
counter = 0
for msg in sys.argv[1:-1]:
msg_name = os.path.basename(msg)
parts = msg_name.split(':')
if len(parts) == 2:
flags = parts[1]
else:
flags = None
name_prefix = "%d.%d_%d.%s" % (int(time.time()), os.getpid(),
counter, socket.gethostname())
if flags:
msg_dest = os.path.join(os.path.join(dest, 'cur'), name_prefix + ':' + flags)
else:
msg_dest = os.path.join(os.path.join(dest, 'cur'), name_prefix + ':2,')
if os.path.exists(msg_dest):
eprint(us + ": somehow, dest " + msg_dest + " already exists")
sys.exit(1)
else:
shutil.move(msg, msg_dest)
counter = counter + 1
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