From: Mark Hymers Date: Sat, 1 Aug 2009 16:13:12 +0000 (+0100) Subject: put holding routines into module X-Git-Url: https://git.decadent.org.uk/gitweb/?a=commitdiff_plain;h=1359e943ab10977306602036675b22da89e9a964;p=dak.git put holding routines into module Signed-off-by: Mark Hymers --- diff --git a/daklib/holding.py b/daklib/holding.py new file mode 100755 index 00000000..d77eecde --- /dev/null +++ b/daklib/holding.py @@ -0,0 +1,89 @@ +#!/usr/bin/env python +# vim:set et sw=4: + +""" +Simple singleton class for storing info about Holding directory + +@contact: Debian FTP Master +@copyright: 2001 - 2006 James Troup +@copyright: 2009 Joerg Jaspert +@license: GNU General Public License version 2 or later +""" + +# 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +############################################################################### + +import os +from errno import ENOENT, EEXIST, EACCES + +from singleton import Singleton +from config import Config +from utils import fubar + +############################################################################### + +class Holding(Singleton): + def __init__(self, *args, **kwargs): + super(Holding, self).__init__(*args, **kwargs) + + def _startup(self): + self.in_holding = {} + self.holding_dir = Config()["Dir::Queue::Holding"] + + def copy_to_holding(self, filename): + base_filename = os.path.basename(filename) + + dest = os.path.join(self.holding_dir, base_filename) + try: + fd = os.open(dest, os.O_RDWR | os.O_CREAT | os.O_EXCL, 0640) + os.close(fd) + except OSError, e: + # Shouldn't happen, but will if, for example, someone lists a + # file twice in the .changes. + if e.errno == EEXIST: + return "%s: already exists in holding area; can not overwrite." % (base_filename) + + try: + shutil.copy(filename, dest) + except IOError, e: + # In either case (ENOENT or EACCES) we want to remove the + # O_CREAT | O_EXCLed ghost file, so add the file to the list + # of 'in holding' even if it's not the real file. + if e.errno == ENOENT: + os.unlink(dest) + return "%s: can not copy to holding area: file not found." % (base_filename) + + elif e.errno == EACCES: + os.unlink(dest) + return "%s: can not copy to holding area: read permission denied." % (base_filename) + + self.in_holding[base_filename] = "" + + return None + + def clean(self, filename): + cwd = os.getcwd() + os.chdir(self.holding_dir) + for f in self.in_holding.keys(): + # TODO: Sanitize path in a much better manner... + if os.path.exists(f): + if f.find('/') != -1: + fubar("WTF? clean_holding() got a file ('%s') with / in it!" % (f)) + else: + os.unlink(f) + self.in_holding = {} + os.chdir(cwd) +