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