pamac-classic/pamac/transaction.py
2013-01-16 19:09:52 +01:00

151 lines
4.2 KiB
Python

#! /usr/bin/python
# -*-coding:utf-8-*-
from gi.repository import Gtk
import pyalpm
import traceback
import dbus
from pamac import config, common
t_lock = False
do_syncfirst = False
list_first = []
proxy = dbus.SystemBus().get_object('org.manjaro.pamac','/org/manjaro/pamac')
Init = proxy.get_dbus_method('Init','org.manjaro.pamac')
Remove = proxy.get_dbus_method('Remove','org.manjaro.pamac')
Add = proxy.get_dbus_method('Add','org.manjaro.pamac')
Prepare = proxy.get_dbus_method('Prepare','org.manjaro.pamac')
To_Remove = proxy.get_dbus_method('To_Remove','org.manjaro.pamac')
To_Add = proxy.get_dbus_method('To_Add','org.manjaro.pamac')
Commit = proxy.get_dbus_method('Commit','org.manjaro.pamac')
Release = proxy.get_dbus_method('Release','org.manjaro.pamac')
def init_transaction(**options):
"Transaction initialization"
global t_lock
error = Init(options)
if not error:
t_lock = True
return True
else:
common.ErrorDialog.format_secondary_text(error)
response = common.ErrorDialog.run()
if response:
common.ErrorDialog.hide()
return False
def check_conflicts():
to_check = []
warning = ''
for pkgname in common.to_add:
for repo in config.pacman_conf.initialize_alpm().get_syncdbs():
pkg = repo.get_pkg(pkgname)
if pkg:
to_check.append(pkg)
break
for target in to_check:
if target.replaces:
for name in target.replaces:
pkg = config.pacman_conf.initialize_alpm().get_localdb().get_pkg(name)
if pkg:
if not pkg.name in common.to_remove:
common.to_remove.append(pkg.name)
if warning:
warning = warning+'\n'
warning = warning+pkg.name+' will be replaced by '+target.name
if target.conflicts:
for name in target.conflicts:
pkg = config.pacman_conf.initialize_alpm().get_localdb().get_pkg(name)
if pkg:
if not pkg.name in common.to_remove:
common.to_remove.append(pkg.name)
for installed_pkg in config.pacman_conf.initialize_alpm().get_localdb().pkgcache:
if installed_pkg.conflicts:
for name in installed_pkg.conflicts:
if name == target.name:
if not name in common.to_remove:
common.to_remove.append(installed_pkg.name)
if warning:
common.WarningDialog.format_secondary_text(warning)
response = common.WarningDialog.run()
if response:
common.WarningDialog.hide()
def get_to_remove():
common.to_remove = To_Remove()
def get_to_add():
common.to_add = To_Add()
def finalize():
global t_lock
while Gtk.events_pending():
Gtk.main_iteration()
error = Prepare()
if error:
common.ErrorDialog.format_secondary_text(error)
response = common.ErrorDialog.run()
if response:
common.ErrorDialog.hide()
error = Commit()
if error:
common.ErrorDialog.format_secondary_text(error)
response = common.ErrorDialog.run()
if response:
common.ErrorDialog.hide()
t_lock = False
Release()
common.to_add = []
common.to_remove = []
def do_refresh():
"""Sync databases like pacman -Sy"""
global t
global t_lock
for db in config.pacman_conf.initialize_alpm().get_syncdbs():
if t_lock is False:
t = init_transaction()
try:
db.update(force=False)
t.release()
t_lock = False
except pyalpm.error:
common.ErrorDialog.format_secondary_text(traceback.format_exc())
response = common.ErrorDialog.run()
if response:
common.ErrorDialog.hide()
t_lock = False
break
t_lock = False
def get_updates():
"""Return a list of package objects in local db which can be updated"""
global do_syncfirst
global list_first
if config.syncfirst:
for name in config.syncfirst:
pkg = config.pacman_conf.initialize_alpm().get_localdb().get_pkg(name)
candidate = pyalpm.sync_newversion(pkg, config.pacman_conf.initialize_alpm().get_syncdbs())
if candidate:
list_first.append(candidate)
if list_first:
do_syncfirst = True
return list_first
result = []
installed_pkglist = config.pacman_conf.initialize_alpm().get_localdb().pkgcache
for pkg in installed_pkglist:
candidate = pyalpm.sync_newversion(pkg, config.pacman_conf.initialize_alpm().get_syncdbs())
if candidate:
result.append(candidate)
return result
def get_new_version_available(pkgname):
for repo in config.pacman_conf.initialize_alpm().get_syncdbs():
pkg = repo.get_pkg(pkgname)
if pkg is not None:
return pkg.version
break