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# Copyright 2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
try:
from configparser import SafeConfigParser
except ImportError:
from ConfigParser import SafeConfigParser
from portage import os
from portage.const import USER_CONFIG_PATH, GLOBAL_CONFIG_PATH, REPO_NAME_LOC
from portage.util import normalize_path, writemsg, shlex_split
from portage.localization import _
from portage import _unicode_encode
from portage import _encodings
import codecs
class RepoConfig(object):
"""Stores config of one repository"""
__slots__ = ['aliases', 'eclass_overrides', 'location', 'masters', 'main_repo',
'missing_repo_name', 'name', 'priority', 'sync', 'format']
def __init__(self, name, repo_opts):
"""Build a RepoConfig with options in repo_opts
Try to read repo_name in repository location, but if
it is not found use variable name as repository name"""
aliases = repo_opts.get('aliases')
if aliases is not None:
aliases = tuple(aliases.split())
self.aliases = aliases
eclass_overrides = repo_opts.get('eclass-overrides')
if eclass_overrides is not None:
eclass_overrides = tuple(eclass_overrides.split())
self.eclass_overrides = eclass_overrides
masters = repo_opts.get('masters')
if masters is not None:
masters = tuple(masters.split())
self.masters = masters
self.main_repo = repo_opts.get('main-repo')
priority = repo_opts.get('priority')
if priority is not None:
try:
priority = int(priority)
except ValueError:
priority = None
self.priority = priority
sync = repo_opts.get('sync')
if sync is not None:
sync = sync.strip()
self.sync = sync
format = repo_opts.get('format')
if format is not None:
format = format.strip()
self.format = format
self.missing_repo_name = False
location = repo_opts.get('location')
if location is not None:
location = normalize_path(location)
if os.path.isdir(location):
repo_name = self._get_repo_name(location)
if repo_name:
name = repo_name
self.name = name
self.location = location
def update(self, new_repo):
"""Update repository with options in another RepoConfig"""
if new_repo.aliases is not None:
self.aliases = new_repo.aliases
if new_repo.eclass_overrides is not None:
self.eclass_overrides = new_repo.eclass_overrides
if new_repo.masters is not None:
self.masters = new_repo.masters
if new_repo.name is not None:
self.name = new_repo.name
if new_repo.location is not None:
self.location = new_repo.location
if new_repo.priority is not None:
self.priority = new_repo.priority
if new_repo.sync is not None:
self.sync = new_repo.sync
def _get_repo_name(self, repo_path):
"""Read repo_name from repo_path"""
repo_name_path = os.path.join(repo_path, REPO_NAME_LOC)
try:
return codecs.open(
_unicode_encode(repo_name_path,
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'],
errors='replace').readline().strip()
except EnvironmentError:
self.missing_repo_name = True
return "x-" + os.path.basename(repo_path)
class RepoConfigLoader(object):
"""Loads and store config of several repositories, loaded from PORTDIR_OVERLAY or repos.conf"""
def __init__(self, paths, settings):
"""Load config from files in paths"""
def parse(paths, prepos, ignored_map, ignored_location_map):
"""Parse files in paths to load config"""
parser = SafeConfigParser()
try:
parser.read(paths)
except SafeConfigParser.Error as e:
writemsg(_("!!! Error while reading repo config file: %s\n") % e, noiselevel=-1)
prepos['DEFAULT'] = RepoConfig("DEFAULT", parser.defaults())
for sname in parser.sections():
optdict = {}
for oname in parser.options(sname):
optdict[oname] = parser.get(sname, oname)
repo = RepoConfig(sname, optdict)
if repo.location and not os.path.exists(repo.location):
writemsg(_("!!! Invalid repos.conf entry '%s'"
" (not a dir): '%s'\n") % (sname, repo.location), noiselevel=-1)
continue
if repo.name in prepos:
old_location = prepos[repo.name].location
if old_location is not None and repo.location is not None and old_location != repo.location:
ignored_map.setdefault(repo.name, []).append(old_location)
ignored_location_map[old_location] = repo.name
prepos[repo.name].update(repo)
else:
prepos[repo.name] = repo
def add_overlays(portdir, portdir_overlay, prepos, ignored_map, ignored_location_map):
"""Add overlays in PORTDIR_OVERLAY as repositories"""
overlays = []
if portdir:
portdir = normalize_path(portdir)
overlays.append(portdir)
port_ov = [normalize_path(i) for i in shlex_split(portdir_overlay)]
overlays.extend(port_ov)
if overlays:
#overlay priority is negative because we want them to be looked before any other repo
base_priority = -1
for ov in overlays:
if os.path.isdir(ov):
repo = RepoConfig(None, {'location' : ov})
if repo.name in prepos:
old_location = prepos[repo.name].location
if old_location is not None and old_location != repo.location:
ignored_map.setdefault(repo.name, []).append(old_location)
ignored_location_map[old_location] = repo.name
prepos[repo.name].update(repo)
else:
if ov == portdir and portdir not in port_ov:
repo.priority = 1000
else:
repo.priority = base_priority
base_priority -= 1
prepos[repo.name] = repo
else:
writemsg(_("!!! Invalid PORTDIR_OVERLAY"
" (not a dir): '%s'\n") % ov, noiselevel=-1)
def repo_priority(r):
"""
Key funtion for comparing repositories by priority.
None is equal priority zero.
"""
x = prepos[r].priority
if x is None:
return 0
return x
prepos = {}
location_map = {}
treemap = {}
ignored_map = {}
ignored_location_map = {}
portdir = settings.get('PORTDIR', '')
portdir_overlay = settings.get('PORTDIR_OVERLAY', '')
add_overlays(portdir, portdir_overlay, prepos, ignored_map, ignored_location_map)
parse(paths, prepos, ignored_map, ignored_location_map)
ignored_repos = tuple((repo_name, tuple(paths)) \
for repo_name, paths in ignored_map.items())
self.missing_repo_names = frozenset(repo.location for repo in prepos.values() if repo.missing_repo_name)
for (name, r) in prepos.items():
if r.location is not None:
location_map[r.location] = name
treemap[name] = r.location
prepos_order = [repo.name for repo in prepos.values() if repo.location is not None]
prepos_order.sort(key=repo_priority, reverse=True)
if portdir:
if portdir not in location_map:
portdir = prepos[ignored_location_map[portdir]].location
portdir_repo = prepos[location_map[portdir]]
portdir_sync = settings.get('SYNC', '')
#if SYNC variable is set and not overwritten by repos.conf
if portdir_sync and not portdir_repo.sync:
portdir_repo.sync = portdir_sync
if prepos['DEFAULT'].main_repo is None:
#setting main_repo if it was not set in repos.conf
if portdir in location_map:
prepos['DEFAULT'].main_repo = location_map[portdir]
elif portdir in ignored_location_map:
prepos['DEFAULT'].main_repo = ignored_location_map[portdir]
else:
writemsg(_("!!! main-repo not set in DEFAULT and PORTDIR is empty. \n"), noiselevel=-1)
self.prepos = prepos
self.prepos_order = prepos_order
self.ignored_repos = ignored_repos
self.location_map = location_map
self.treemap = treemap
self._prepos_changed = True
self._repo_location_list = []
self._check_locations()
def repoLocationList(self):
"""Get a list of repositories location. Replaces PORTDIR_OVERLAY"""
if self._prepos_changed:
_repo_location_list = []
for repo in self.prepos_order:
if self.prepos[repo].location is not None:
_repo_location_list.append(self.prepos[repo].location)
self._repo_location_list = tuple(_repo_location_list)
self._prepos_changed = False
return self._repo_location_list
def mainRepoLocation(self):
"""Returns the location of main repo"""
main_repo = self.prepos['DEFAULT'].main_repo
if main_repo is not None and main_repo in self.prepos:
return self.prepos[main_repo].location
else:
return ''
def mainRepo(self):
"""Returns the main repo"""
maid_repo = self.prepos['DEFAULT'].main_repo
if maid_repo is None:
return None
return self.prepos[maid_repo]
def _check_locations(self):
"""Check if repositories location are correct and show a warning message if not"""
for (name, r) in self.prepos.items():
if name != 'DEFAULT':
if r.location is None:
writemsg(_("!!! Location not set for repository %s\n") % name, noiselevel=-1)
else:
if not os.path.isdir(r.location):
self.prepos_order.remove(name)
writemsg(_("!!! Invalid Repository Location"
" (not a dir): '%s'\n") % r.location, noiselevel=-1)
def repos_with_profiles(self):
for repo_name in self.prepos_order:
repo = self.prepos[repo_name]
if repo.format != "unavailable":
yield repo
def load_repository_config(settings):
#~ repoconfigpaths = [os.path.join(settings.global_config_path, "repos.conf")]
#~ repoconfigpaths.append(os.path.join(settings["PORTAGE_CONFIGROOT"],
#~ USER_CONFIG_PATH, "repos.conf"))
repoconfigpaths = []
return RepoConfigLoader(repoconfigpaths, settings)
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