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# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import codecs
import logging
import portage
from portage import os
from portage import _encodings
from portage import _unicode_encode
from _emerge.AsynchronousTask import AsynchronousTask
from _emerge.unmerge import unmerge
from _emerge.UninstallFailure import UninstallFailure
class PackageUninstall(AsynchronousTask):
__slots__ = ("world_atom", "ldpath_mtimes", "opts",
"pkg", "scheduler", "settings")
def _start(self):
try:
retval = unmerge(self.pkg.root_config, self.opts, "unmerge",
[self.pkg.cpv], self.ldpath_mtimes, clean_world=0,
clean_delay=0, raise_on_error=1, scheduler=self.scheduler,
writemsg_level=self._writemsg_level)
except UninstallFailure as e:
self.returncode = e.status
else:
self.returncode = os.EX_OK
if retval == 1:
self.world_atom(self.pkg)
self.wait()
def _writemsg_level(self, msg, level=0, noiselevel=0):
log_path = self.settings.get("PORTAGE_LOG_FILE")
background = self.background
if log_path is None:
if not (background and level < logging.WARNING):
portage.util.writemsg_level(msg,
level=level, noiselevel=noiselevel)
else:
if not background:
portage.util.writemsg_level(msg,
level=level, noiselevel=noiselevel)
f = codecs.open(_unicode_encode(log_path,
encoding=_encodings['fs'], errors='strict'),
mode='a', encoding=_encodings['content'], errors='replace')
try:
f.write(msg)
finally:
f.close()
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