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# Copyright 2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
from portage.util import grabfile, grabfile_package, grabdict_package, write_atomic
import os
from portage.sets import PackageSet, EditablePackageSet
class StaticFileSet(EditablePackageSet):
_operations = ["merge", "unmerge"]
def __init__(self, name, filename):
super(StaticFileSet, self).__init__(name)
self._filename = filename
self._mtime = None
self.description = "Package set loaded from file %s" % self._filename
metadata = grabfile(self._filename + ".metadata")
key = None
for line in metadata:
line = line.strip()
if len(line) == 0 and key != None:
setattr(self, key, " ".join(value))
key = None
elif line[-1] == ":" and key == None:
key = line[:-1].lower()
value = []
elif key != None:
value.append(line)
else:
pass
else:
if key != None:
setattr(self, key, " ".join(value))
def write(self):
write_atomic(self._filename, "\n".join(self._atoms)+"\n")
def load(self):
try:
mtime = os.stat(self._filename).st_mtime
except (OSError, IOError):
mtime = None
if not self._loaded or self._mtime != mtime:
self._setAtoms(grabfile_package(self._filename, recursive=True))
self._mtime = mtime
class ConfigFileSet(PackageSet):
def __init__(self, name, filename):
super(ConfigFileSet, self).__init__(name)
self._filename = filename
self.description = "Package set generated from %s" % self._filename
def load(self):
self._setAtoms(grabdict_package(self._filename, recursive=True).keys())
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