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#!/usr/bin/env python
#
# make-worldconf: this file is part of the GRS suite
# Copyright (C) 2015 Anthony G. Basile
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import configparser
import copy
import os
import re
import sys
from grs import CONST
from _emerge.main import parse_opts
from _emerge.actions import load_emerge_config, create_depgraph_params
from _emerge.depgraph import backtrack_depgraph
def useflags(config, p):
# Get all IUSE, enabled USE and EXPAND_HIDDEN flags.
try:
iuse = list(p.iuse.all)
use = list(p.use.enabled)
# expand = list(p.use.expand)
expand_hidden = list(p.use.expand_hidden)
except AttributeError:
return
except TypeError:
return
# We only include select USE_EXPAND flags. Note becaue of how we match 'abi_',
# for example, will match abi_ppc, abi_mips etc. Hopefully this will not lead
# to any false hits.
expand = [ 'kernel_', 'elibc_', 'userland_', 'abi_', 'linguas_', 'python_', 'ruby_' ]
# Remove any selected USE_EXPAND and any EXPAND_HIDDEN flags from IUSE flags
my_iuse = copy.deepcopy(iuse)
for u in iuse:
for e in expand + expand_hidden:
while re.match(e, u):
try:
my_iuse.remove(u)
except ValueError:
break
# Remove the same flags from the enabled USE flags
my_use = copy.deepcopy(use)
for u in use:
for e in expand + expand_hidden:
while re.match(e, u):
try:
my_use.remove(u)
except ValueError:
break
# Remove the arch flag.
# TODO: this needs to be generalized.
my_use.remove('amd64')
# Go through all the IUSE flags and put a - in front
# of all the disabled USE flags.
flags = []
for i in my_iuse:
if i in my_use:
flags.append(i)
else:
flags.append('-%s' % i)
# Insert nicely sorted flags.
if len(flags) > 0:
flags.sort()
config[p.slot_atom]['package.use'] = p.slot_atom + ' ' + ' '.join(flags)
def keywords(config, p):
# Stable means there is no keyword is needed.
keyword = None
try:
if not p.stable:
keyword = "??" # Something went wrong!
if p.get_keyword_mask() == 'missing':
keyword = '**'
if p.get_keyword_mask() == 'unstable':
# This needs to be generalized
keyword = '~amd64'
except AttributeError:
pass
if keyword:
config[p.slot_atom]['package.accept_keywords'] = '=%s %s' % (p.cpv, keyword)
def from_etc_portage(config, p, subdir):
# We could add better matching intelligence here so as to match
# these subdirs+files for /etc/portage not maintained by GRS.
fpath = os.path.join(CONST.PORTAGE_CONFIGDIR, '%s/%s' % \
(subdir, re.sub('[/:]', '_', p.slot_atom)))
if os.path.isfile(fpath):
with open(fpath, 'r') as g:
config[p.slot_atom][subdir] = g.read().strip()
def main():
args = sys.argv[1:]
if len(args) == 0:
args = [ '-e', '@world' ]
myaction, myopts, myfiles = parse_opts(args, silent=True)
emerge_config = load_emerge_config(action=myaction, args=myfiles, opts=myopts)
mysettings, mytrees = emerge_config.target_config.settings, emerge_config.trees
myparams = create_depgraph_params(myopts, myaction)
success, mydepgraph, favorites = backtrack_depgraph(mysettings, mytrees, myopts, \
myparams, myaction, myfiles, spinner=None)
config = configparser.RawConfigParser(delimiters=':', allow_no_value=True, comment_prefixes=None)
for p in mydepgraph.altlist():
# Prepare an empty section for this atom
try:
config[p.slot_atom] = {}
except AttributeError:
continue
# Populate package.use - these are read out of p
useflags(config, p)
# Populate package.accept_keywords - these are read out of p
keywords(config, p)
# Others - these are read out of /etc/portage
from_etc_portage(config, p, 'package.mask')
from_etc_portage(config, p, 'package.unmask')
from_etc_portage(config, p, 'package.env')
from_etc_portage(config, p, 'env')
# Remove any empty sections
if config[p.slot_atom] == {}:
config.remove_section(p.slot_atom)
# Recontruct a RawConfigParser from the above which has sorted sections.
all_slot_atoms = config.sections()
all_slot_atoms.sort()
sorted_config = configparser.RawConfigParser(delimiters=':', allow_no_value=True, comment_prefixes=None)
for s in all_slot_atoms:
sorted_config[s] = config[s]
with open('world.conf', 'w') as configfile:
sorted_config.write(configfile)
if __name__ == "__main__":
main()
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