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# User interface library functions for filesystem/disk space checking
#
# Copyright (C) 2012 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
# Red Hat Author(s): David Lehman <dlehman@redhat.com>
#
from pyanaconda.storage.size import Size
import gettext
_ = lambda x: gettext.ldgettext("anaconda", x)
N_ = lambda x: x
import logging
log = logging.getLogger("anaconda")
class FileSystemSpaceChecker(object):
error_template = N_("Not enough space in filesystems for the current "
"software selection. An additional %s is needed.")
def __init__(self, storage, payload):
self.payload = payload
self.storage = storage
self.reset()
def reset(self):
self.success = False
self.deficit = Size(bytes=0)
self.error_message = ""
def check(self):
self.reset()
free = Size(spec="%.2f MB" % self.storage.fileSystemFreeSpace)
needed = self.payload.spaceRequired
log.info("fs space: %s needed: %s" % (free, needed))
self.success = (free >= needed)
if not self.success:
self.deficit = needed - free
self.error_message = _(self.error_template) % self.deficit
return self.success
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