forked from cromer/pamac-classic
377 lines
12 KiB
Python
377 lines
12 KiB
Python
#! /usr/bin/python3
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# -*- coding:utf-8 -*-
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# pamac - A Python implementation of alpm
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# Copyright (C) 2011 Rémy Oudompheng <remy@archlinux.org>
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# Copyright (C) 2013 Guillaume Benoit <guillaume@manjaro.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import os
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import glob
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import argparse
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import collections
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import warnings
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import pyalpm
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class InvalidSyntax(Warning):
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def __init__(self, filename, problem, arg):
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self.filename = filename
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self.problem = problem
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self.arg = arg
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def __str__(self):
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return "unable to parse %s, %s: %r" % (self.filename, self.problem, self.arg)
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# Options that may occur several times in a section. Their values should be
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# accumulated in a list.
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LIST_OPTIONS = (
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'CacheDir',
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'HoldPkg',
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'SyncFirst',
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'IgnoreGroup',
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'IgnorePkg',
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'NoExtract',
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'NoUpgrade',
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'Server'
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)
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SINGLE_OPTIONS = (
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'RootDir',
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'DBPath',
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'GPGDir',
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'LogFile',
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'UseDelta',
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'Architecture',
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'XferCommand',
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'CleanMethod',
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'SigLevel',
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'LocalFileSigLevel',
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'RemoteFileSigLevel',
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'RefreshPeriod'
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)
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BOOLEAN_OPTIONS = (
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'UseSyslog',
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'TotalDownload',
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'CheckSpace',
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'VerbosePkgLists',
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'ILoveCandy',
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'Color',
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'EnableAUR',
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'RemoveUnrequiredDeps'
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)
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def define_siglevel(default_level, conf_string):
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for directive in conf_string.split():
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affect_package = False
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affect_database = False
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if 'Package' in directive:
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affect_package = True
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elif 'Database' in directive:
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affect_database = True
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else:
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affect_package = True
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affect_database = True
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if 'Never' in directive:
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if affect_package:
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default_level &= ~pyalpm.SIG_PACKAGE
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default_level |= pyalpm.SIG_PACKAGE_SET
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if affect_database:
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default_level &= ~pyalpm.SIG_DATABASE
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elif 'Optional' in directive:
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if affect_package:
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default_level |= pyalpm.SIG_PACKAGE
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default_level |= pyalpm.SIG_PACKAGE_OPTIONAL
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default_level |= pyalpm.SIG_PACKAGE_SET
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if affect_database:
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default_level |= pyalpm.SIG_DATABASE
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default_level |= pyalpm.SIG_DATABASE_OPTIONAL
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elif 'Required' in directive:
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if affect_package:
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default_level |= pyalpm.SIG_PACKAGE
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default_level &= ~pyalpm.SIG_PACKAGE_OPTIONAL
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default_level |= pyalpm.SIG_PACKAGE_SET
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if affect_database:
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default_level |= pyalpm.SIG_DATABASE
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default_level &= ~pyalpm.SIG_DATABASE_OPTIONAL
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elif 'TrustedOnly' in directive:
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if affect_package:
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default_level &= ~pyalpm.SIG_PACKAGE_MARGINAL_OK
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default_level &= ~pyalpm.SIG_PACKAGE_UNKNOWN_OK
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default_level |= pyalpm.SIG_PACKAGE_TRUST_SET
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if affect_database:
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default_level &= ~pyalpm.SIG_DATABASE_MARGINAL_OK
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default_level &= ~pyalpm.SIG_DATABASE_UNKNOWN_OK
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elif 'TrustAll' in directive:
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if affect_package:
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default_level |= pyalpm.SIG_PACKAGE_MARGINAL_OK
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default_level |= pyalpm.SIG_PACKAGE_UNKNOWN_OK
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default_level |= pyalpm.SIG_PACKAGE_TRUST_SET
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if affect_database:
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default_level |= pyalpm.SIG_DATABASE_MARGINAL_OK
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default_level |= pyalpm.SIG_DATABASE_UNKNOWN_OK
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else:
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print('unrecognized siglevel: {}'.format(conf_string))
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return default_level
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def merge_siglevel(base_level, over_level):
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if not over_level & pyalpm.SIG_PACKAGE_SET:
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over_level |= base_level & pyalpm.SIG_PACKAGE
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over_level |= base_level & pyalpm.SIG_PACKAGE_OPTIONAL
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if not over_level & pyalpm.SIG_PACKAGE_TRUST_SET:
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over_level |= base_level & pyalpm.SIG_PACKAGE_MARGINAL_OK
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over_level |= base_level & pyalpm.SIG_PACKAGE_UNKNOWN_OK
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return over_level
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def pacman_conf_enumerator(path):
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filestack = []
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current_section = None
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filestack.append(open(path))
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while len(filestack) > 0:
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f = filestack[-1]
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line = f.readline()
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if len(line) == 0:
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# end of file
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filestack.pop()
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continue
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line = line.strip()
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if len(line) == 0:
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continue
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if line[0] == '#':
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continue
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if line[0] == '[' and line[-1] == ']':
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current_section = line[1:-1]
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continue
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if not current_section:
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raise InvalidSyntax(f.name, 'statement outside of a section', line)
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# read key, value
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key, equal, value = [x.strip() for x in line.partition('=')]
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# include files
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if equal == '=' and key == 'Include':
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filestack.extend(open(f) for f in glob.glob(value))
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continue
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if current_section != 'options':
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# repos only have the Server option
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if key == 'Server' and equal == '=':
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yield (current_section, 'Server', value)
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elif key == 'SigLevel' and equal == '=':
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yield (current_section, 'SigLevel', value)
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else:
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raise InvalidSyntax(f.name, 'invalid key for repository configuration', line)
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continue
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if equal == '=':
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if key in LIST_OPTIONS:
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for val in value.split():
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yield (current_section, key, val)
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elif key in SINGLE_OPTIONS:
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yield (current_section, key, value)
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else:
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warnings.warn(InvalidSyntax(f.name, 'unrecognized option', key))
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else:
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if key in BOOLEAN_OPTIONS:
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yield (current_section, key, 1)
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else:
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warnings.warn(InvalidSyntax(f.name, 'unrecognized option', key))
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class PacmanConfig():
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def __init__(self, conf = None, options = None):
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self.options = {}
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self.repos = collections.OrderedDict()
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self.options["RootDir"] = "/"
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self.options["DBPath"] = "/var/lib/pacman"
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self.options["GPGDir"] = "/etc/pacman.d/gnupg/"
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self.options["LogFile"] = "/var/log/pacman.log"
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self.options["Architecture"] = os.uname()[-1]
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self.default_siglevel = pyalpm.SIG_PACKAGE | pyalpm.SIG_PACKAGE_OPTIONAL | pyalpm.SIG_DATABASE | pyalpm.SIG_DATABASE_OPTIONAL
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if conf:
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self.load_from_file(conf)
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if options:
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self.load_from_options(options)
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def load_from_file(self, filename):
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for section, key, value in pacman_conf_enumerator(filename):
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if section == 'options':
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if key == 'Architecture' and value == 'auto':
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continue
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if key in LIST_OPTIONS:
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self.options.setdefault(key, []).append(value)
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else:
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self.options[key] = value
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# define here default_siglevel to make it usable for servers
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if key == 'SigLevel':
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self.default_siglevel = define_siglevel(self.default_siglevel, self.options["SigLevel"])
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else:
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if not self.repos.get(section):
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self.repos[section] = ([], self.default_siglevel)
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if key == 'Server':
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self.repos[section][0].append(value)
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elif key == 'SigLevel':
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urls = self.repos[section][0].copy()
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new_siglevel = define_siglevel(self.repos[section][1], value)
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self.repos[section] = (urls, new_siglevel)
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if not "CacheDir" in self.options:
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self.options["CacheDir"]= ["/var/cache/pacman/pkg"]
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def load_from_options(self, options):
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global _logmask
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if options.root:
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self.options["RootDir"] = options.root
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if options.dbpath:
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self.options["DBPath"] = options.dbpath
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if options.gpgdir:
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self.options["GPGDir"] = options.gpgdir
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if options.arch:
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self.options["Architecture"] = options.arch
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if options.logfile:
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self.options["LogFile"] = options.logfile
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if options.cachedir:
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self.options["CacheDir"] = [option.cachedir]
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if options.debug:
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_logmask = 0xffff
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def initialize_alpm(self):
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h = pyalpm.Handle(self.options["RootDir"], self.options["DBPath"])
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h.arch = self.options["Architecture"]
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h.logfile = self.options["LogFile"]
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h.gpgdir = self.options["GPGDir"]
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h.cachedirs = self.options["CacheDir"]
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if "IgnoreGroup" in self.options:
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h.ignoregrps = self.options["IgnoreGroup"]
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if "IgnorePkg" in self.options:
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h.ignorepkgs = self.options["IgnorePkg"]
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if "NoExtract" in self.options:
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h.noextracts = self.options["NoExtract"]
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if "NoUpgrade" in self.options:
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h.noupgrades = self.options["NoUpgrade"]
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if "UseSyslog" in self.options:
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h.usesyslog = self.options["UseSyslog"]
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if "CheckSpace" in self.options:
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h.checkspace = self.options["CheckSpace"]
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# register default siglevel, it should have been updated previously
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h.siglevel = self.default_siglevel
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# update localsiglevel
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if "LocalFileSigLevel" in self.options:
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localsiglevel = define_siglevel(self.default_siglevel, self.options["LocalFileSigLevel"])
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localsiglevel = merge_siglevel(self.default_siglevel, localsiglevel)
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else:
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localsiglevel = self.default_siglevel
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# define localsiglevel
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h.localsiglevel = localsiglevel
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# update remotesiglevel
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if "RemoteFileSigLevel" in self.options:
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remotesiglevel = define_siglevel(self.default_siglevel, self.options["RemoteFileSigLevel"])
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remotesiglevel = merge_siglevel(self.default_siglevel, remotesiglevel)
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else:
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remotesiglevel = self.default_siglevel
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# define remotesiglevel
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h.remotesiglevel = remotesiglevel
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# set sync databases
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for repo, servers in self.repos.items():
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db = h.register_syncdb(repo, servers[1])
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db_servers = []
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for rawurl in servers[0]:
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url = rawurl.replace("$repo", repo)
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url = url.replace("$arch", self.options["Architecture"])
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db_servers.append(url)
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db.servers = db_servers
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return h
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def __str__(self):
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return("PacmanConfig(options={}, repos={})".format(self.options, self.repos))
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def pamac_conf_enumerator(path):
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filestack = []
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current_section = None
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filestack.append(open(path))
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while len(filestack) > 0:
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f = filestack[-1]
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line = f.readline()
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if len(line) == 0:
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# end of file
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filestack.pop()
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continue
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line = line.strip()
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if len(line) == 0:
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continue
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if line[0] == '#':
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continue
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# read key, value
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key, equal, value = [x.strip() for x in line.partition('=')]
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if equal == '=':
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if key in LIST_OPTIONS:
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for val in value.split():
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yield (current_section, key, val)
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elif key in SINGLE_OPTIONS:
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if key == 'RefreshPeriod':
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yield (current_section, key, int(value))
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else:
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yield (current_section, key, value)
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else:
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warnings.warn(InvalidSyntax(f.name, 'unrecognized option', key))
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else:
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if key in BOOLEAN_OPTIONS:
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yield (current_section, key, True)
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else:
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warnings.warn(InvalidSyntax(f.name, 'unrecognized option', key))
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class PamacConfig():
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def __init__(self, conf = None):
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self.options = {}
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self.options["RefreshPeriod"] = 3600*3
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self.options["EnableAUR"] = False
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self.options["RemoveUnrequiredDeps"] = False
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if conf:
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self.load_from_file(conf)
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def load_from_file(self, filename):
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for section, key, value in pamac_conf_enumerator(filename):
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if key in LIST_OPTIONS:
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self.options.setdefault(key, []).append(value)
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else:
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self.options[key] = value
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self.set_global_variables()
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def set_global_variables(self):
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global refresh_period
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global enable_aur
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global recurse
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refresh_period = self.options['RefreshPeriod']
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enable_aur = self.options['EnableAUR']
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recurse = self.options['RemoveUnrequiredDeps']
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def reload(self):
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self.options["EnableAUR"] = False
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self.options["RemoveUnrequiredDeps"] = False
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self.load_from_file("/etc/pamac.conf")
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def __str__(self):
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return("PamacConfig(options={})".format(self.options))
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pacman_conf = PacmanConfig(conf = "/etc/pacman.conf")
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handle = pacman_conf.initialize_alpm
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pamac_conf = PamacConfig(conf = "/etc/pamac.conf")
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holdpkg = []
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syncfirst = []
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if 'HoldPkg' in pacman_conf.options:
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holdpkg = pacman_conf.options['HoldPkg']
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if 'SyncFirst' in pacman_conf.options:
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syncfirst = pacman_conf.options['SyncFirst']
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