updating some pacman stuff. need to finish objtypes.Repo and might need to tweak config writer.
This commit is contained in:
parent
ec28849f23
commit
7401fed6d3
@ -14,7 +14,7 @@ from . import system
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from . import config
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from . import envsetup
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from . import network
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from . import pacman
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from . import software
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_logger = logging.getLogger('AIF')
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@ -1,22 +0,0 @@
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import configparser
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import logging
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from collections import OrderedDict
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# TODO: Add pacman.conf parsing?
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_logger = logging.getLogger('pacman:_common')
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class MultiOrderedDict(OrderedDict):
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# Thanks, dude: https://stackoverflow.com/a/38286559/733214
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def __setitem__(self, key, value):
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if key in self:
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if isinstance(value, list):
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self[key].extend(value)
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return(None)
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elif isinstance(value, str):
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if len(self[key]) > 1:
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return(None)
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super(MultiOrderedDict, self).__setitem__(key, value)
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4
aif/software/__init__.py
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4
aif/software/__init__.py
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@ -0,0 +1,4 @@
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from . import config
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from . import keyring
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from . import objtypes
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from . import pacman
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124
aif/software/config.py
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124
aif/software/config.py
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@ -0,0 +1,124 @@
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import copy
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import logging
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import os
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import re
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import shutil
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from collections import OrderedDict
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##
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import jinja2
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##
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import aif.utils
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_logger = logging.getLogger(__name__)
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class PacmanConfig(object):
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_sct_re = re.compile(r'^\s*\[(?P<sect>[^]]+)\]\s*$')
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_kv_re = re.compile(r'^\s*(?P<key>[^\s=[]+)((?:\s*=\s*)(?P<value>.*))?$')
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_skipline_re = re.compile(r'^\s*(#.*)?$')
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# TODO: Append mirrors/repos to pacman.conf here before we parse?
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# I copy a log of logic from pycman/config.py here.
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_list_keys = ('CacheDir', 'HookDir', 'HoldPkg', 'SyncFirst', 'IgnoreGroup', 'IgnorePkg', 'NoExtract', 'NoUpgrade',
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'Server')
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_single_keys = ('RootDir', 'DBPath', 'GPGDir', 'LogFile', 'Architecture', 'XferCommand', 'CleanMethod', 'SigLevel',
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'LocalFileSigLevel', 'RemoteFileSigLevel')
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_noval_keys = ('UseSyslog', 'ShowSize', 'TotalDownload', 'CheckSpace', 'VerbosePkgLists', 'ILoveCandy', 'Color',
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'DisableDownloadTimeout')
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# These are the default (commented-out) values in the stock /etc/pacman.conf as of January 5, 2020.
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defaults = OrderedDict({'options': {'Architecture': 'auto',
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'CacheDir': '/var/cache/pacman/pkg/',
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'CheckSpace': None,
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'CleanMethod': 'KeepInstalled',
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# 'Color': None,
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'DBPath': '/var/lib/pacman/',
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'GPGDir': '/etc/pacman.d/gnupg/',
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'HoldPkg': 'pacman glibc',
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'HookDir': '/etc/pacman.d/hooks/',
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'IgnoreGroup': [],
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'IgnorePkg': [],
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'LocalFileSigLevel': ['Optional'],
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'LogFile': '/var/log/pacman.log',
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'NoExtract': [],
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'NoUpgrade': [],
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'RemoteFileSigLevel': ['Required'],
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'RootDir': '/',
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'SigLevel': ['Required', 'DatabaseOptional'],
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# 'TotalDownload': None,
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# 'UseSyslog': None,
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# 'VerbosePkgLists': None,
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'XferCommand': '/usr/bin/curl -L -C - -f -o %o %u'},
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# These should be explicitly included in the AIF config.
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# 'core': {'Include': '/etc/pacman.d/mirrorlist'},
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# 'extra': {'Include': '/etc/pacman.d/mirrorlist'},
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# 'community': {'Include': '/etc/pacman.d/mirrorlist'}
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})
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def __init__(self, chroot_base, confpath = '/etc/pacman.conf'):
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self.chroot_base = chroot_base
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self.confpath = os.path.join(self.chroot_base, re.sub(r'^/+', '', confpath))
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self.confbak = '{0}.bak'.format(self.confpath)
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self.mirrorlstpath = os.path.join(self.chroot_base, 'etc', 'pacman.d', 'mirrorlist')
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self.mirrorlstbak = '{0}.bak'.format(self.mirrorlstpath)
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if not os.path.isfile(self.confbak):
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shutil.copy2(self.confpath, self.confbak)
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_logger.info('Copied: {0} => {1}'.format(self.confpath, self.confbak))
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if not os.path.isfile(self.mirrorlstbak):
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shutil.copy2(self.mirrorlstpath, self.mirrorlstbak)
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_logger.info('Copied: {0} => {1}'.format(self.mirrorlstpath, self.mirrorlstbak))
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self.j2_env = jinja2.Environment(loader = jinja2.FileSystemLoader(searchpath = './'))
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self.j2_env.filters.update(aif.utils.j2_filters)
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self.j2_conf = self.j2_env.get_template('pacman.conf.j2')
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self.j2_mirror = self.j2_env.get_template('mirrorlist.j2')
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self.conf = None
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self.mirrors = []
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def _includeExpander(self, lines):
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curlines = []
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for line in lines:
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r = self._kv_re.search(line)
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if r and (r.group('key') == 'Include') and r.group('value'):
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path = os.path.join(self.chroot_base, re.sub(r'^/?', '', r.group('path')))
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with open(path, 'r') as fh:
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curlines.extend(self._includeExpander(fh.read().splitlines()))
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else:
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curlines.append(line)
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return(curlines)
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def parse(self, defaults = True):
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self.conf = OrderedDict()
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rawlines = {}
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with open(self.confpath, 'r') as fh:
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rawlines['orig'] = [line for line in fh.read().splitlines() if not self._skipline_re.search(line)]
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rawlines['parsed'] = self._includeExpander(rawlines['orig'])
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for conftype, cfg in rawlines.items():
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_confdict = copy.deepcopy(self.defaults)
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_sect = None
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for line in cfg:
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if self._sct_re.search(line):
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_sect = self._sct_re.search(line).group('sect')
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if _sect not in _confdict.keys():
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_confdict[_sect] = OrderedDict()
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elif self._kv_re.search(line):
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r = self._kv_re.search(line)
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k = r.group('key')
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v = r.group('value')
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if k in self._noval_keys:
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_confdict[_sect][k] = None
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elif k in self._single_keys:
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_confdict[_sect][k] = v
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elif k in self._list_keys:
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if k not in _confdict[_sect].keys():
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_confdict[_sect][k] = []
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_confdict[_sect][k].append(v)
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if _confdict['options']['Architecture'] == 'auto':
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_confdict['options']['Architecture'] = os.uname().machine
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self.conf[conftype] = copy.deepcopy(_confdict)
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return(None)
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def writeConf(self):
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with open(self.confpath, 'w') as fh:
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fh.write(self.j2_conf.render(cfg = self.conf))
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with open(self.mirrorlstpath, 'w') as fh:
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fh.write(self.j2_mirror.render(mirrors = self.mirrors))
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return(None)
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@ -8,6 +8,8 @@ import gpg
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# We don't use utils.gpg_handler because this is pretty much all procedural.
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# Though, maybe add e.g. TofuDB stuff to it, and subclass it here?
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# TODO.
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_logger = logging.getLogger(__name__)
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5
aif/software/mirrorlist.j2
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5
aif/software/mirrorlist.j2
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@ -0,0 +1,5 @@
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# Generated by AIF-NG.
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# See /etc/pacman.d/mirrorlist.bak for original version.
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{%- for mirror in mirrors %}
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Server = {{ mirror }}
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{%- endfor %}
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72
aif/software/objtypes.py
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72
aif/software/objtypes.py
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@ -0,0 +1,72 @@
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import logging
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import os
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import re
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##
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from lxml import etree
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_logger = logging.getLogger(__name__)
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class Mirror(object):
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def __init__(self, mirror_xml, repo = None, arch = None):
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self.xml = mirror_xml
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_logger.debug('mirror_xml: {0}'.format(etree.tostring(self.xml, with_tail = False).decode('utf-8')))
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self.uri = self.xml.text
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self.real_uri = None
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self.aif_uri = None
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def parse(self, chroot_base, repo, arch):
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self.real_uri = self.uri.replace('$repo', repo).replace('$arch', arch)
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if self.uri.startswith('file://'):
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self.aif_uri = os.path.join(chroot_base, re.sub(r'^file:///?', ''))
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class Package(object):
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def __init__(self, package_xml):
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self.xml = package_xml
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_logger.debug('package_xml: {0}'.format(etree.tostring(self.xml, with_tail = False).decode('utf-8')))
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self.name = self.xml.text
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self.repo = self.xml.attrib.get('repo')
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if self.repo:
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self.qualified_name = '{0}/{1}'.format(self.repo, self.name)
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else:
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self.qualified_name = self.name
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class Repo(object):
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def __init__(self, chroot_base, repo_xml, arch = 'x86_64'):
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# TODO: support Usage? ("REPOSITORY SECTIONS", pacman.conf(5))
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self.xml = repo_xml
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_logger.debug('repo_xml: {0}'.format(etree.tostring(self.xml, with_tail = False).decode('utf-8')))
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# TODO: SigLevels?!
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self.name = self.xml.attrib['name']
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self.conflines = {}
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self.mirrors = []
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self.parsed_mirrors = []
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_mirrors = self.xml.xpath('mirror|include') # "Server" and "Include" respectively in pyalpm lingo.
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if _mirrors:
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for m in _mirrors:
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k = m.tag.title()
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if k == 'Mirror':
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k = 'Server'
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if k not in self.conflines.keys():
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self.conflines[k] = []
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self.conflines[k].append(m.text)
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# TODO; better parsing here. handle in config.py?
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# if m.tag == 'include':
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# # TODO: We only support one level of includes. Pacman supports unlimited nesting? of includes.
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# file_uri = os.path.join(chroot_base, re.sub(r'^/?', '', m.text))
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# if not os.path.isfile(file_uri):
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# _logger.error('Include file ({0}) does not exist: {1}'.format(m.text, file_uri))
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# raise FileNotFoundError('Include file does not exist')
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# with open(file_uri, 'r') as fh:
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# for line in fh.read().splitlines():
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else:
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# Default (mirrorlist)
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self.conflines['Include'] = ['file:///etc/pacman.d/mirrorlist']
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self.enabled = (True if self.xml.attrib.get('enabled', 'true') in ('1', 'true') else False)
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self.siglevel = self.xml.attrib.get('sigLevel')
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# self.real_uri = None
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# if self.uri:
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# self.real_uri = self.uri.replace('$repo', self.name).replace('$arch', arch)
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16
aif/software/pacman.conf.j2
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16
aif/software/pacman.conf.j2
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# Generated by AIF-NG.
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# See /etc/pacman.conf.bak for original version.
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{%- for section, kv in cfg.items() %}
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[{{ section }}]
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{%- for key, value in kv.items() %}
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{%- if value is none %}
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{{ key }}
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{%- elif value|isList %}
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{%- for val in value %}
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{{ key }} = {{ val }}
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{%- endfor %}
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{%- else %}
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{{ key }} = {{ val }}
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{%- endif %}
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{%- endfor %}
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{% endfor %}
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@ -1,18 +1,15 @@
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# We can manually bootstrap and alter pacman's keyring. But check the bootstrap tarball; we might not need to.
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# TODO.
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import configparser
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import logging
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import os
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import re
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##
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import pyalpm
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import gpg
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from lxml import etree
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##
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from . import _common
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from . import keyring
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from . import objtypes
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_logger = logging.getLogger(__name__)
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@ -24,32 +21,6 @@ _logger = logging.getLogger(__name__)
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# and have a write function to write out a mirror list to a specified location.
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class Mirror(object):
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def __init__(self, mirror_xml, repo = None, arch = None):
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self.xml = mirror_xml
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_logger.debug('mirror_xml: {0}'.format(etree.tostring(self.xml, with_tail = False).decode('utf-8')))
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self.uri = self.xml.text
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self.real_uri = None
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self.aif_uri = None
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def parse(self, chroot_base, repo, arch):
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self.real_uri = self.uri.replace('$repo', repo).replace('$arch', arch)
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if self.uri.startswith('file://'):
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self.aif_uri = os.path.join(chroot_base, re.sub(r'^file:///?', ''))
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class Package(object):
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def __init__(self, package_xml):
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self.xml = package_xml
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_logger.debug('package_xml: {0}'.format(etree.tostring(self.xml, with_tail = False).decode('utf-8')))
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self.name = self.xml.text
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self.repo = self.xml.attrib.get('repo')
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if self.repo:
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self.qualified_name = '{0}/{1}'.format(self.repo, self.name)
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else:
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self.qualified_name = self.name
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class PackageManager(object):
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def __init__(self, chroot_base, pacman_xml):
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self.xml = pacman_xml
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@ -118,7 +89,7 @@ class PackageManager(object):
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with open(_mirrorlist, 'a') as fh:
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fh.write('\n# Added by AIF-NG.\n')
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for m in mirrors.findall('mirror'):
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mirror = Mirror(m)
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mirror = objtypes.Mirror(m)
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self.mirrorlist.append(mirror)
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fh.write('Server = {0}\n'.format(mirror.uri))
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_logger.info('Appended: {0}'.format(_mirrorlist))
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@ -130,7 +101,7 @@ class PackageManager(object):
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with open(_conf, 'a') as fh:
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fh.write('\n# Added by AIF-NG.\n')
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for r in repos.findall('repo'):
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repo = Repo(self.chroot_base, r)
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repo = objtypes.Repo(self.chroot_base, r)
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if repo.enabled:
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fh.write('[{0}]\n'.format(repo.name))
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if repo.siglevel:
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@ -150,38 +121,3 @@ class PackageManager(object):
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self.repos.append(repo)
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_logger.info('Appended: {0}'.format(_conf))
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return(None)
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class Repo(object):
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def __init__(self, chroot_base, repo_xml, arch = 'x86_64'):
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# TODO: support Usage? ("REPOSITORY SECTIONS", pacman.conf(5))
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self.xml = repo_xml
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_logger.debug('repo_xml: {0}'.format(etree.tostring(self.xml, with_tail = False).decode('utf-8')))
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# TODO: SigLevels?!
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self.name = self.xml.attrib['name']
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self.mirrors = {}
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self.parsed_mirrors = []
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_mirrors = self.xml.xpath('mirror|include') # "Server" and "Include" respectively in pyalpm lingo.
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if _mirrors:
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for m in _mirrors:
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k = m.tag.title()
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if k == 'Mirror':
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k = 'Server'
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if k not in self.mirrors.keys():
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self.mirrors[k] = []
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self.mirrors[k].append(m.text)
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if m.tag == 'include':
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file_uri = os.path.join(chroot_base, re.sub(r'^file:///?', '', m.text))
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if not os.path.isfile(file_uri):
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_logger.error('Include file ({0}) does not exist: {1}'.format(m.text, file_uri))
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raise FileNotFoundError('Include file does not exist')
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with open(file_uri, 'r') as fh:
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for line in fh.read().splitlines():
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else:
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# Default (mirrorlist)
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self.mirrors['Include'] = ['file:///etc/pacman.d/mirrorlist']
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self.enabled = (True if self.xml.attrib.get('enabled', 'true') in ('1', 'true') else False)
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self.siglevel = self.xml.attrib.get('sigLevel')
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self.real_uri = None
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if self.uri:
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self.real_uri = self.uri.replace('$repo', self.name).replace('$arch', arch)
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