aif-ng/aif/software/objtypes.py

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import logging
import os
import re
##
from lxml import etree
_logger = logging.getLogger(__name__)
class Mirror(object):
def __init__(self, mirror_xml, repo = None, arch = None):
self.xml = mirror_xml
_logger.debug('mirror_xml: {0}'.format(etree.tostring(self.xml, with_tail = False).decode('utf-8')))
self.uri = self.xml.text
self.real_uri = None
self.aif_uri = None
def parse(self, chroot_base, repo, arch):
self.real_uri = self.uri.replace('$repo', repo).replace('$arch', arch)
if self.uri.startswith('file://'):
self.aif_uri = os.path.join(chroot_base, re.sub(r'^file:///?', ''))
class Package(object):
def __init__(self, package_xml):
self.xml = package_xml
_logger.debug('package_xml: {0}'.format(etree.tostring(self.xml, with_tail = False).decode('utf-8')))
self.name = self.xml.text
self.repo = self.xml.attrib.get('repo')
if self.repo:
self.qualified_name = '{0}/{1}'.format(self.repo, self.name)
else:
self.qualified_name = self.name
class Repo(object):
def __init__(self, chroot_base, repo_xml, arch = 'x86_64'):
# TODO: support Usage? ("REPOSITORY SECTIONS", pacman.conf(5))
self.xml = repo_xml
_logger.debug('repo_xml: {0}'.format(etree.tostring(self.xml, with_tail = False).decode('utf-8')))
# TODO: SigLevels?!
self.name = self.xml.attrib['name']
self.conflines = {}
self.mirrors = []
self.parsed_mirrors = []
_mirrors = self.xml.xpath('mirror|include') # "Server" and "Include" respectively in pyalpm lingo.
if _mirrors:
for m in _mirrors:
k = m.tag.title()
if k == 'Mirror':
k = 'Server'
if k not in self.conflines.keys():
self.conflines[k] = []
self.conflines[k].append(m.text)
# TODO; better parsing here. handle in config.py?
# if m.tag == 'include':
# # TODO: We only support one level of includes. Pacman supports unlimited nesting? of includes.
# file_uri = os.path.join(chroot_base, re.sub(r'^/?', '', m.text))
# if not os.path.isfile(file_uri):
# _logger.error('Include file ({0}) does not exist: {1}'.format(m.text, file_uri))
# raise FileNotFoundError('Include file does not exist')
# with open(file_uri, 'r') as fh:
# for line in fh.read().splitlines():
else:
# Default (mirrorlist)
self.conflines['Include'] = ['file:///etc/pacman.d/mirrorlist']
self.enabled = (True if self.xml.attrib.get('enabled', 'true') in ('1', 'true') else False)
self.siglevel = self.xml.attrib.get('sigLevel')
# self.real_uri = None
# if self.uri:
# self.real_uri = self.uri.replace('$repo', self.name).replace('$arch', arch)