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# Copyright 2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import codecs
import logging
try:
from configparser import SafeConfigParser, ParsingError
except ImportError:
from ConfigParser import SafeConfigParser, ParsingError
from portage import os
from portage.const import USER_CONFIG_PATH, GLOBAL_CONFIG_PATH, REPO_NAME_LOC
from portage.env.loaders import KeyValuePairFileLoader
from portage.util import normalize_path, writemsg, writemsg_level, shlex_split
from portage.localization import _
from portage import _unicode_encode
from portage import _encodings
class RepoConfig(object):
"""Stores config of one repository"""
__slots__ = ['aliases', 'eclass_overrides', 'eclass_locations', 'location', 'user_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
#Locations are computed later.
self.eclass_locations = None
#Masters are only read from layout.conf.
self.masters = None
#The main-repo key makes only sense for the 'DEFAULT' section.
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
location = repo_opts.get('location')
self.user_location = location
if location is not None:
if os.path.isdir(location):
location = os.path.realpath(location)
self.location = location
missing = True
if self.location is not None:
name, missing = self._read_repo_name(self.location)
elif name == "DEFAULT":
missing = False
self.name = name
self.missing_repo_name = missing
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.user_location is not None:
self.user_location = new_repo.user_location
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 _read_repo_name(self, repo_path):
"""
Read repo_name from repo_path.
Returns repo_name, missing.
"""
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(), False
except EnvironmentError:
return "x-" + os.path.basename(repo_path), True
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 ParsingError 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)
default_repo_opts = {}
if prepos['DEFAULT'].aliases is not None:
default_repo_opts['aliases'] = \
' '.join(prepos['DEFAULT'].aliases)
if prepos['DEFAULT'].eclass_overrides is not None:
default_repo_opts['eclass-overrides'] = \
' '.join(prepos['DEFAULT'].eclass_overrides)
if prepos['DEFAULT'].masters is not None:
default_repo_opts['masters'] = \
' '.join(prepos['DEFAULT'].masters)
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_opts = default_repo_opts.copy()
repo_opts['location'] = ov
repo = RepoConfig(None, repo_opts)
repo_conf_opts = prepos.get(repo.name)
if repo_conf_opts is not None:
if repo_conf_opts.aliases is not None:
repo_opts['aliases'] = \
' '.join(repo_conf_opts.aliases)
if repo_conf_opts.eclass_overrides is not None:
repo_opts['eclass-overrides'] = \
' '.join(repo_conf_opts.eclass_overrides)
if repo_conf_opts.masters is not None:
repo_opts['masters'] = \
' '.join(repo_conf_opts.masters)
repo = RepoConfig(repo.name, repo_opts)
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', '')
parse(paths, prepos, ignored_map, ignored_location_map)
add_overlays(portdir, portdir_overlay, 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)
#Parse layout.conf and read masters key.
for repo in prepos.values():
if not repo.location:
continue
layout_filename = os.path.join(repo.location, "metadata", "layout.conf")
layout_file = KeyValuePairFileLoader(layout_filename, None, None)
layout_data, layout_errors = layout_file.load()
masters = layout_data.get('masters')
if masters and masters.strip():
masters = masters.split()
else:
masters = None
repo.masters = masters
#Take aliases into account.
new_prepos = {}
for repo_name, repo in prepos.items():
names = set()
names.add(repo_name)
if repo.aliases:
names.update(repo.aliases)
for name in names:
if name in new_prepos:
writemsg_level(_("!!! Repository name or alias '%s', " + \
"defined for repository '%s', overrides " + \
"existing alias or repository.\n") % (name, repo_name), level=logging.WARNING, noiselevel=-1)
new_prepos[name] = repo
prepos = new_prepos
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 = []
#The 'masters' key currently contains repo names. Replace them with the matching RepoConfig.
for repo_name, repo in prepos.items():
if repo_name == "DEFAULT":
continue
if repo.masters is None:
if self.mainRepo() and repo_name != self.mainRepo().name:
repo.masters = self.mainRepo(),
else:
repo.masters = ()
else:
master_repos = []
for master_name in repo.masters:
if master_name not in prepos:
writemsg_level(_("Unavailable repository '%s' " \
"referenced by masters entry in '%s'\n") % \
(master_name, layout_filename),
level=logging.ERROR, noiselevel=-1)
else:
master_repos.append(prepos[master_name])
repo.masters = tuple(master_repos)
#The 'eclass_overrides' key currently contains repo names. Replace them with the matching repo paths.
for repo_name, repo in prepos.items():
if repo_name == "DEFAULT":
continue
eclass_locations = []
eclass_locations.extend(master_repo.location for master_repo in repo.masters)
eclass_locations.append(repo.location)
if repo.eclass_overrides:
for other_repo_name in repo.eclass_overrides:
if other_repo_name in self.prepos:
eclass_locations.append(self.get_location_for_name(other_repo_name))
else:
writemsg_level(_("Unavailable repository '%s' " \
"referenced by eclass-overrides entry for " \
"'%s'\n") % (other_repo_name, repo_name), \
level=logging.ERROR, noiselevel=-1)
repo.eclass_locations = tuple(eclass_locations)
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 repoUserLocationList(self):
"""Get a list of repositories location. Replaces PORTDIR_OVERLAY"""
user_location_list = []
for repo in self.prepos_order:
if self.prepos[repo].location is not None:
user_location_list.append(self.prepos[repo].user_location)
return tuple(user_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 get_name_for_location(self, location):
return self.location_map[location]
def get_location_for_name(self, repo_name):
if repo_name is None:
# This simplifies code in places where
# we want to be able to pass in Atom.repo
# even if it is None.
return None
return self.treemap[repo_name]
def __iter__(self):
for repo_name in self.prepos_order:
yield self.prepos[repo_name]
def load_repository_config(settings):
#~ repoconfigpaths = [os.path.join(settings.global_config_path, "repos.conf")]
repoconfigpaths = []
repoconfigpaths.append(os.path.join(settings["PORTAGE_CONFIGROOT"],
USER_CONFIG_PATH, "repos.conf"))
return RepoConfigLoader(repoconfigpaths, settings)
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