MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import pyalpm
from pycman import config
import question as q
from random import choice, randint
from sys import modules
config.init_with_config("/etc/pacman.conf")
localdb = pyalpm.get_localdb()
#questionTypes= (q.definition,q.depends,
# q.fileOwner,q.installedSize,
# q.packager)
types = [getattr(q, t) for t in dir(q) if str(type(getattr(q, t))) == "<class 'type'>"]
questionTypes = [qtype for qtype in types if (issubclass(qtype, q.Question) and qtype is not q.Question)]
del(types)
def getRandomQuestion(package=None, numWrongAnswers=3):
"""Returns a tuple with size of 3, first question text,
second correct answer, third list of wrong answers
@param package: A pyalpm.package type
@param numWrongAnswers: integer
@return: tuple
"""
def main(tmp_db_path):
# Use a temporary database path to avoid issues caused by synchronizing the
# sync database without a full system upgrade.
# See the discussion here:
# https://bbs.archlinux.org/viewtopic.php?pid=951285#p951285
# Basically, if you sync the database and then install packages without first
# upgrading the system (-y), you can do some damage.
tmp_db_path = os.path.abspath(tmp_db_path)
conf = config.PacmanConfig(conf = '/etc/pacman.conf')
db_path = conf.options['DBPath']
if tmp_db_path == db_path:
print("temporary path cannot be %s" % db_path)
sys.exit(1)
local_db_path = os.path.join(db_path, 'local')
tmp_local_db_path = os.path.join(tmp_db_path, 'local')
# Set up the temporary database path
if not os.path.exists(tmp_db_path):
os.makedirs(tmp_db_path)
os.symlink(local_db_path, tmp_local_db_path)
elif not os.path.islink(tmp_local_db_path):
# Move instead of unlinking just in case.
os.rename(tmp_local_db_path, tmp_local_db_path + '.old')
os.symlink(local_db_path, tmp_local_db_path)
# Redirect the stdout messages download messages to stderr.
with open(os.devnull, 'w') as f:
sys.stdout = f
action_sync.main(('-b', tmp_db_path, '-y'))
sys.stdout = sys.__stdout__
installed = set(p for p in pyalpm.get_localdb().pkgcache)
upgradable = OrderedDict()
syncdbs = pyalpm.get_syncdbs()
for db in syncdbs:
# Without "list" the set cannot be altered with "remove" below.
for pkg in list(installed):
pkgname = pkg.name
syncpkg = db.get_pkg(pkgname)
if syncpkg:
if pyalpm.vercmp(syncpkg.version, pkg.version) > 0:
try:
upgradable[db.name].add((pkg, syncpkg))
except KeyError:
upgradable[db.name] = set(((pkg, syncpkg),))
installed.remove(pkg)
foreign = dict([(p.name,p) for p in installed])
try:
aur = AUR.AUR(threads=10)
aur_pkgs = aur.info(foreign.keys())
except AUR.AURError as e:
sys.stderr.write(str(e))
sys.exit(1)
upgradable_aur = list()
for aur_pkg in aur_pkgs:
installed_pkg = foreign[aur_pkg['Name']]
if pyalpm.vercmp(aur_pkg['Version'], installed_pkg.version) > 0:
upgradable_aur.append((installed_pkg, aur_pkg))
installed.remove(installed_pkg)
display(upgradable, upgradable_aur)
