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# config.py -- Portage Config
# Copyright 2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
from UserDict import UserDict
from portage.env.loaders import KeyListFileLoader, KeyValuePairFileLoader, AtomFileLoader
class PackageKeywords(UserDict):
"""
A base class stub for things to inherit from; some people may want a database based package.keywords or something
Internally dict has pairs of the form
{'cpv':['keyword1','keyword2','keyword3'...]
"""
data = {}
def __init__(self, loader):
self._loader = loader
def load(self):
self.data, self.errors = self._loader.load()
def iteritems(self):
return self.data.iteritems()
def keys(self):
return self.data.keys()
def __contains__(self, other):
return other in self.data
def __hash__( self ):
return self.data.__hash__()
class PackageKeywordsFile(PackageKeywords):
"""
Inherits from PackageKeywords; implements a file-based backend. Doesn't handle recursion yet.
"""
default_loader = KeyListFileLoader
def __init__(self, filename):
self.loader = self.default_loader(filename)
PackageKeywords.__init__(self, self.loader)
class PackageUse(UserDict):
"""
A base class stub for things to inherit from; some people may want a database based package.keywords or something
Internally dict has pairs of the form
{'cpv':['flag1','flag22','flag3'...]
"""
data = {}
def __init__(self, loader):
self._loader = loader
def load( self):
self.data, self.errors = self._loader.load()
def iteritems(self):
return self.data.iteritems()
def __hash__(self):
return hash(self.data)
def __contains__(self, other):
return other in self.data
def keys(self):
return self.data.keys()
class PackageUseFile(PackageUse):
"""
Inherits from PackageUse; implements a file-based backend. Doesn't handle recursion yet.
"""
default_loader = KeyListFileLoader
def __init__(self, filename):
self.loader = self.default_loader(filename)
PackageUse.__init__(self, self.loader)
class PackageMask(UserDict):
"""
A base class for Package.mask functionality
"""
data = {}
def __init__(self, loader):
self._loader = loader
def load(self):
self.data, self.errors = self._loader.load()
def iteritems(self):
return self.data.iteritems()
def __hash__(self):
return hash(self.data)
def __contains__(self, other):
return other in self.data
def keys(self):
return self.data.keys()
def iterkeys(self):
return self.data.iterkeys()
class PackageMaskFile(PackageMask):
"""
A class that implements a file-based package.mask
Entires in package.mask are of the form:
atom1
atom2
or optionally
-atom3
to revert a previous mask; this only works when masking files are stacked
"""
default_loader = AtomFileLoader
def __init__(self, filename):
self.loader = self.default_loader(filename)
PackageMask.__init__(self, self.loader)
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