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# Copyright 2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
import os
from ConfigParser import SafeConfigParser, NoOptionError
from portage import load_mod
DEFAULT_SETS = ["world", "system", "everything", "security"] \
+["package_"+x for x in ["mask", "unmask", "use", "keywords"]]
del x
class SetConfigError(Exception):
pass
class SetConfig(SafeConfigParser):
def __init__(self, paths, settings, trees):
SafeConfigParser.__init__(self)
self.read(paths)
self.errors = []
self.psets = {}
self.trees = trees
self.settings = settings
self._parsed = False
self.active = []
self.aliases = {}
def _parse(self):
if self._parsed:
return
for sname in self.sections():
# find classname for current section, default to file based sets
if not self.has_option(sname, "class"):
classname = "portage.sets.files.StaticFileSet"
else:
classname = self.get(sname, "class")
# try to import the specified class
try:
setclass = load_mod(classname)
except (ImportError, AttributeError):
self.errors.append("Could not import '%s' for section '%s'" % (classname, sname))
continue
# prepare option dict for the current section
optdict = {}
for oname in self.options(sname):
optdict[oname] = self.get(sname, oname)
# create single or multiple instances of the given class depending on configuration
if self.has_option(sname, "multiset") and self.getboolean(sname, "multiset"):
if hasattr(setclass, "multiBuilder"):
try:
self.psets.update(setclass.multiBuilder(optdict, self.settings, self.trees))
except SetConfigError, e:
self.errors.append("Configuration error in section '%s': %s" % (sname, str(e)))
continue
else:
self.errors.append("Section '%s' is configured as multiset, but '%s' doesn't support that configuration" % (sname, classname))
continue
else:
try:
setname = self.get(sname, "name")
except NoOptionError:
setname = "sets/"+sname
if hasattr(setclass, "singleBuilder"):
try:
self.psets[setname] = setclass.singleBuilder(optdict, self.settings, self.trees)
except SetConfigError, e:
self.errors.append("Configuration error in section '%s': %s" % (sname, str(e)))
continue
else:
self.errors.append("'%s' does not support individual set creation, section '%s' must be configured as multiset" % (classname, sname))
continue
self._parsed = True
def getSets(self):
self._parse()
return self.psets
def getSetsWithAliases(self):
self._parse()
if not self.aliases:
shortnames = {}
for name in self.psets:
mysplit = name.split("/")
if len(mysplit) > 1 and mysplit[0] == "sets" and mysplit[-1] != "":
if mysplit[-1] in shortnames:
del shortnames[mysplit[-1]]
else:
shortnames[mysplit[-1]] = self.psets[name]
shortnames.update(self.psets)
self.aliases = shortnames
return self.aliases
def make_default_config(settings, trees):
sc = SetConfig([], settings, trees)
sc.add_section("security")
sc.set("security", "class", "portage.sets.security.NewAffectedSet")
sc.add_section("system")
sc.set("system", "class", "portage.sets.profiles.PackagesSystemSet")
sc.add_section("world")
sc.set("world", "class", "portage.sets.files.WorldSet")
sc.add_section("everything")
sc.set("everything", "class", "portage.sets.dbapi.EverythingSet")
sc.add_section("config")
sc.set("config", "class", "portage.sets.files.ConfigFileSet")
sc.set("config", "multiset", "true")
sc.add_section("user-sets")
sc.set("user-sets", "class", "portage.sets.files.StaticFileSet")
sc.set("user-sets", "multiset", "true")
sc.add_section("rebuild-needed")
sc.set("rebuild-needed", "class", "portage.sets.dbapi.MissingLibraryConsumerSet")
return sc
# adhoc test code
if __name__ == "__main__":
import portage
sc = make_default_config(portage.settings, portage.db["/"])
l, e = sc.getSets()
for x in l:
print x+":"
print "DESCRIPTION = %s" % l[x].getMetadata("Description")
for n in sorted(l[x].getAtoms()):
print "- "+n
print
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