forked from cromer/pamac-classic
use backend package
This commit is contained in:
guinux
0
backend/__init__.py
Executable file
0
backend/__init__.py
Executable file
194
backend/config.py
Normal file
194
backend/config.py
Normal file
@@ -0,0 +1,194 @@
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#! /usr/bin/python
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# -*-coding:utf-8 -*-
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import io
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import os
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import glob
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import sys
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import argparse
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import collections
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import warnings
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import pyalpm
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class InvalidSyntax(Warning):
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def __init__(self, filename, problem, arg):
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self.filename = filename
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self.problem = problem
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self.arg = arg
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def __str__(self):
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return "unable to parse %s, %s: %r" % (self.filename, self.problem, self.arg)
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# Options that may occur several times in a section. Their values should be
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# accumulated in a list.
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LIST_OPTIONS = (
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'CacheDir',
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'HoldPkg',
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'SyncFirst',
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'IgnoreGroup',
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'IgnorePkg',
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'NoExtract',
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'NoUpgrade',
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'Server'
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)
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SINGLE_OPTIONS = (
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'RootDir',
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'DBPath',
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'GPGDir',
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'LogFile',
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'Architecture',
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'XferCommand',
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'CleanMethod',
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'SigLevel'
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)
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BOOLEAN_OPTIONS = (
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'UseSyslog',
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'ShowSize',
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'UseDelta',
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'TotalDownload',
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'CheckSpace',
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'VerbosePkgLists',
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'ILoveCandy'
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)
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def pacman_conf_enumerator(path):
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filestack = []
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current_section = None
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filestack.append(open(path))
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while len(filestack) > 0:
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f = filestack[-1]
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line = f.readline()
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if len(line) == 0:
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# end of file
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filestack.pop()
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continue
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line = line.strip()
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if len(line) == 0: continue
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if line[0] == '#':
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continue
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if line[0] == '[' and line[-1] == ']':
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current_section = line[1:-1]
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continue
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if current_section is None:
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raise InvalidSyntax(f.name, 'statement outside of a section', line)
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# read key, value
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key, equal, value = [x.strip() for x in line.partition('=')]
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# include files
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if equal == '=' and key == 'Include':
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filestack.extend(open(f) for f in glob.glob(value))
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continue
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if current_section != 'options':
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# repos only have the Server option
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if key == 'Server' and equal == '=':
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yield (current_section, 'Server', value)
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elif key == 'SigLevel' and equal == '=':
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yield (current_section, 'SigLevel', value)
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else:
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raise InvalidSyntax(f.name, 'invalid key for repository configuration', line)
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continue
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if equal == '=':
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if key in LIST_OPTIONS:
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for val in value.split():
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yield (current_section, key, val)
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elif key in SINGLE_OPTIONS:
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yield (current_section, key, value)
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else:
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warnings.warn(InvalidSyntax(f.name, 'unrecognized option', key))
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else:
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if key in BOOLEAN_OPTIONS:
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yield (current_section, key, True)
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else:
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warnings.warn(InvalidSyntax(f.name, 'unrecognized option', key))
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class PacmanConfig(object):
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def __init__(self, conf = None, options = None):
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self.options = {}
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self.repos = collections.OrderedDict()
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self.options["RootDir"] = "/"
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self.options["DBPath"] = "/var/lib/pacman"
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self.options["GPGDir"] = "/etc/pacman.d/gnupg/"
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self.options["LogFile"] = "/var/log/pacman.log"
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self.options["Architecture"] = os.uname()[-1]
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if conf is not None:
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self.load_from_file(conf)
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if options is not None:
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self.load_from_options(options)
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def load_from_file(self, filename):
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for section, key, value in pacman_conf_enumerator(filename):
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if section == 'options':
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if key == 'Architecture' and value == 'auto':
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continue
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if key in LIST_OPTIONS:
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self.options.setdefault(key, []).append(value)
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else:
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self.options[key] = value
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else:
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servers = self.repos.setdefault(section, [])
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if key == 'Server':
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servers.append(value)
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if "CacheDir" not in self.options:
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self.options["CacheDir"]= ["/var/cache/pacman/pkg"]
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def load_from_options(self, options):
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global _logmask
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if options.root is not None:
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self.options["RootDir"] = options.root
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if options.dbpath is not None:
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self.options["DBPath"] = options.dbpath
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if options.gpgdir is not None:
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self.options["GPGDir"] = options.gpgdir
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if options.arch is not None:
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self.options["Architecture"] = options.arch
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if options.logfile is not None:
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self.options["LogFile"] = options.logfile
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if options.cachedir is not None:
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self.options["CacheDir"] = [option.cachedir]
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if options.debug:
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_logmask = 0xffff
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def apply(self, h):
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h.arch = self.options["Architecture"]
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h.logfile = self.options["LogFile"]
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h.gpgdir = self.options["GPGDir"]
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h.cachedirs = self.options["CacheDir"]
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if "IgnoreGroup" in self.options:
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h.ignoregrps = self.options["IgnoreGroup"]
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if "IgnorePkg" in self.options:
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h.ignorepkgs = self.options["IgnorePkg"]
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if "NoExtract" in self.options:
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h.noextracts = self.options["NoExtract"]
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if "NoUpgrade" in self.options:
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h.noupgrades = self.options["NoUpgrade"]
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# set sync databases
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for repo, servers in self.repos.items():
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db = h.register_syncdb(repo, 0)
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db_servers = []
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for rawurl in servers:
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url = rawurl.replace("$repo", repo)
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url = url.replace("$arch", self.options["Architecture"])
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db_servers.append(url)
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db.servers = db_servers
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def initialize_alpm(self):
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h = pyalpm.Handle(self.options["RootDir"], self.options["DBPath"])
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self.apply(h)
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return h
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def __str__(self):
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return("PacmanConfig(options=%s, repos=%s)" % (str(self.options), str(self.repos)))
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pacman_conf = PacmanConfig(conf = "/etc/pacman.conf")
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handle = pacman_conf.initialize_alpm()
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holpkg = None
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syncfirst = None
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if 'HoldPkg' in pacman_conf.options:
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holdpkg = pacman_conf.options['HoldPkg']
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if 'SyncFirst' in pacman_conf.options:
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syncfirst = pacman_conf.options['SyncFirst']
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377
backend/transaction.py
Executable file
377
backend/transaction.py
Executable file
@@ -0,0 +1,377 @@
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#! /usr/bin/python
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# -*-coding:utf-8-*-
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from gi.repository import Gtk
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import pyalpm
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import traceback
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import sys
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from backend import config
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interface = Gtk.Builder()
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interface.add_from_file('gui/dialogs.glade')
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ProgressWindow = interface.get_object('ProgressWindow')
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progress_bar = interface.get_object('progressbar2')
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progress_label = interface.get_object('progresslabel2')
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ErrorDialog = interface.get_object('ErrorDialog')
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WarningDialog = interface.get_object('WarningDialog')
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QuestionDialog = interface.get_object('QuestionDialog')
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ConfDialog = interface.get_object('ConfDialog')
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transaction_desc = interface.get_object('transaction_desc')
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down_label = interface.get_object('down_label')
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t = None
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t_lock = False
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conflict_to_remove = None
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to_remove = None
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to_add = None
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to_update = None
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do_syncfirst = False
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list_first = []
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def init_transaction(handle, **options):
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"Transaction initialization"
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global t_lock
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handle.dlcb = cb_dl
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handle.totaldlcb = totaldlcb
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handle.eventcb = cb_event
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handle.questioncb = cb_conv
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handle.progresscb = cb_progress
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handle.logcb = cb_log
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try:
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_t = handle.init_transaction(**options)
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print(_t.flags)
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t_lock = True
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return _t
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except pyalpm.error:
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ErrorDialog.format_secondary_text(traceback.format_exc())
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response = ErrorDialog.run()
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if response:
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ErrorDialog.hide()
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return False
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def check_conflicts():
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global conflict_to_remove
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conflict_to_remove = {}
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installed_conflicts = {}
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for pkg in config.handle.get_localdb().pkgcache:
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if pkg.conflicts:
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installed_conflicts[pkg.name] = pkg.conflicts
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targets_conflicts = {}
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targets_replaces = {}
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for pkg in t.to_add:
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if pkg.replaces:
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targets_replaces[pkg.name] = pkg.replaces
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if pkg.conflicts:
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targets_conflicts[pkg.name] = pkg.conflicts
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warning = ''
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if targets_replaces:
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for key, value in targets_replaces.items():
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for name in value:
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pkg = config.handle.get_localdb().get_pkg(name)
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if pkg:
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if not pkg.name in conflict_to_remove.keys():
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conflict_to_remove[pkg.name] = pkg
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if warning:
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warning = warning+'\n'
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warning = warning+pkg.name+' will be replaced by '+key
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if targets_conflicts:
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for key, value in targets_conflicts.items():
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for name in value:
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pkg = config.handle.get_localdb().get_pkg(name)
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if pkg:
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if not pkg.name in conflict_to_remove.keys():
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conflict_to_remove[pkg.name] = pkg
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if installed_conflicts:
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for key, value in installed_conflicts.items():
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for name in value:
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for pkg in t.to_add:
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if pkg.name == name:
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if not pkg.name in conflict_to_remove.keys():
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conflict_to_remove[pkg.name] = pkg
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if conflict_to_remove:
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WarningDialog.format_secondary_text(warning)
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response = WarningDialog.run()
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if response:
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WarningDialog.hide()
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def do_refresh():
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"""Sync databases like pacman -Sy"""
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global t
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global t_lock
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ProgressWindow.show_all()
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for db in config.handle.get_syncdbs():
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if t_lock is False:
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t = init_transaction(config.handle)
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try:
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db.update(force=False)
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t.release()
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t_lock = False
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except pyalpm.error:
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ErrorDialog.format_secondary_text(traceback.format_exc())
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response = ErrorDialog.run()
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if response:
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ErrorDialog.hide()
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t_lock = False
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break
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ProgressWindow.hide()
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progress_label.set_text('')
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progress_bar.set_text('')
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def do_sysupgrade():
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"""Upgrade a system like pacman -Su"""
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global t
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global t_lock
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global to_remove
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global to_add
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global to_update
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if t_lock is False:
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if do_syncfirst is True:
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t = init_transaction(config.handle, recurse = True)
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for pkg in list_first:
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t.add_pkg(pkg)
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to_remove = t.to_remove
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to_add = t.to_add
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set_transaction_desc('update')
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response = ConfDialog.run()
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if response == Gtk.ResponseType.OK:
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t_finalize(t)
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if response == Gtk.ResponseType.CANCEL or Gtk.ResponseType.CLOSE or Gtk.ResponseType.DELETE_EVENT:
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ProgressWindow.hide()
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ConfDialog.hide()
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t.release()
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t_lock = False
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else:
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try:
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t = init_transaction(config.handle)
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t.sysupgrade(downgrade=False)
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except pyalpm.error:
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ErrorDialog.format_secondary_text(traceback.format_exc())
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response = ErrorDialog.run()
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if response:
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ErrorDialog.hide()
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t.release()
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t_lock = False
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check_conflicts()
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to_add = t.to_add
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to_remove = []
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for pkg in conflict_to_remove.values():
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to_remove.append(pkg)
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if len(to_add) + len(to_remove) == 0:
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t.release()
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print("Nothing to update")
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else:
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t.release()
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t = init_transaction(config.handle, noconflicts = True, nodeps = True, nodepversion = True)
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for pkg in to_add:
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t.add_pkg(pkg)
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for pkg in conflict_to_remove.values():
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t.remove_pkg(pkg)
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to_remove = t.to_remove
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to_add = t.to_add
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set_transaction_desc('update')
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if len(transaction_desc) != 0:
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response = ConfDialog.run()
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if response == Gtk.ResponseType.OK:
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t_finalize(t)
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if response == Gtk.ResponseType.CANCEL or Gtk.ResponseType.CLOSE or Gtk.ResponseType.DELETE_EVENT:
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ProgressWindow.hide()
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ConfDialog.hide()
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t.release()
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t_lock = False
|
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else:
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t_finalize(t)
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t.release()
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t_lock = False
|
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def t_finalize(t):
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ConfDialog.hide()
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try:
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t.prepare()
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except pyalpm.error:
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ErrorDialog.format_secondary_text(traceback.format_exc())
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response = ErrorDialog.run()
|
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if response:
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ErrorDialog.hide()
|
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t.release()
|
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t_lock = False
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try:
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t.commit()
|
||||
except pyalpm.error:
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ErrorDialog.format_secondary_text(traceback.format_exc())
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response = ErrorDialog.run()
|
||||
if response:
|
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ErrorDialog.hide()
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ProgressWindow.hide()
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def get_updates():
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"""Return a list of package objects in local db which can be updated"""
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global do_syncfirst
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||||
global list_first
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if config.syncfirst:
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for name in config.syncfirst:
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pkg = config.handle.get_localdb().get_pkg(name)
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candidate = pyalpm.sync_newversion(pkg, config.handle.get_syncdbs())
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if candidate:
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list_first.append(candidate)
|
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if list_first:
|
||||
do_syncfirst = True
|
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return list_first
|
||||
result = []
|
||||
installed_pkglist = config.handle.get_localdb().pkgcache
|
||||
for pkg in installed_pkglist:
|
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candidate = pyalpm.sync_newversion(pkg, config.handle.get_syncdbs())
|
||||
if candidate:
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result.append(candidate)
|
||||
return result
|
||||
|
||||
def get_new_version_available(pkgname):
|
||||
for repo in config.handle.get_syncdbs():
|
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pkg = repo.get_pkg(pkgname)
|
||||
if pkg is not None:
|
||||
return pkg.version
|
||||
break
|
||||
|
||||
def format_size(size):
|
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KiB_size = size / 1024
|
||||
if KiB_size < 1000:
|
||||
size_string = '%.1f KiB' % (KiB_size)
|
||||
return size_string
|
||||
else:
|
||||
size_string = '%.2f MiB' % (KiB_size / 1024)
|
||||
return size_string
|
||||
|
||||
def set_transaction_desc(mode):
|
||||
global transaction_desc
|
||||
global down_label
|
||||
global to_add
|
||||
global to_remove
|
||||
global to_update
|
||||
transaction_desc.clear()
|
||||
if to_remove:
|
||||
transaction_desc.append(['To remove:', to_remove[0].name])
|
||||
i = 1
|
||||
while i < len(to_remove):
|
||||
transaction_desc.append([' ', to_remove[i].name])
|
||||
i += 1
|
||||
down_label.set_markup('')
|
||||
if to_add:
|
||||
installed_name = []
|
||||
for pkg_object in config.handle.get_localdb().pkgcache:
|
||||
installed_name.append(pkg_object.name)
|
||||
to_add_name = []
|
||||
for pkg_object in to_add:
|
||||
to_add_name.append(pkg_object.name)
|
||||
to_update = sorted(set(installed_name).intersection(to_add_name))
|
||||
to_remove_from_add_name = sorted(set(to_update).intersection(to_add_name))
|
||||
for name in to_remove_from_add_name:
|
||||
to_add_name.remove(name)
|
||||
if to_add_name:
|
||||
transaction_desc.append(['To install:', to_add_name[0]])
|
||||
i = 1
|
||||
while i < len(to_add_name):
|
||||
transaction_desc.append([' ', to_add_name[i]])
|
||||
i += 1
|
||||
if mode == 'normal':
|
||||
if to_update:
|
||||
transaction_desc.append(['To update:', to_update[0]])
|
||||
i = 1
|
||||
while i < len(to_update):
|
||||
transaction_desc.append([' ', to_update[i]])
|
||||
i += 1
|
||||
down_label.set_markup('')
|
||||
# down_label.set_markup('<b>Total Download size: </b>'+format_size(totaldlcb))
|
||||
|
||||
# Callbacks
|
||||
event_text = ' '
|
||||
def cb_event(ID, event, tupel):
|
||||
global event_text
|
||||
ProgressWindow.show_all()
|
||||
while Gtk.events_pending():
|
||||
Gtk.main_iteration()
|
||||
for i in [1,3,5,7,9,11,15]:
|
||||
if ID is i:
|
||||
progress_label.set_text(event)
|
||||
break
|
||||
else :
|
||||
progress_label.set_text(' ')
|
||||
if ID is 27:
|
||||
progress_label.set_text('Downloading '+format_size(total_size))
|
||||
print('Downloading a file')
|
||||
if ID is 17:
|
||||
progress_label.set_text('Checking signatures')
|
||||
print('Checking signatures')
|
||||
progress_bar.set_fraction(0.0)
|
||||
progress_bar.set_text('')
|
||||
print(ID,event)
|
||||
|
||||
def cb_conv(*args):
|
||||
print("conversation", args)
|
||||
|
||||
_logmask = pyalpm.LOG_ERROR | pyalpm.LOG_WARNING
|
||||
|
||||
def cb_log(level, line):
|
||||
#global t
|
||||
#try:
|
||||
# _line = str(_line, encoding='utf-8').strip("\n")
|
||||
#except:
|
||||
# _line = str(_line, encoding='latin-1').strip("\n")
|
||||
if not (level & _logmask):
|
||||
return
|
||||
if level & pyalpm.LOG_ERROR:
|
||||
ErrorDialog.format_secondary_text("ERROR: "+line)
|
||||
response = ErrorDialog.run()
|
||||
if response:
|
||||
ErrorDialog.hide()
|
||||
#t.release()
|
||||
elif level & pyalpm.LOG_WARNING:
|
||||
WarningDialog.format_secondary_text("WARNING: "+line)
|
||||
response = WarningDialog.run()
|
||||
if response:
|
||||
WarningDialog.hide()
|
||||
elif level & pyalpm.LOG_DEBUG:
|
||||
line = "DEBUG: " + line
|
||||
print(line)
|
||||
elif level & pyalpm.LOG_FUNCTION:
|
||||
line = "FUNC: " + line
|
||||
print(line)
|
||||
#sys.stderr.write(line)
|
||||
|
||||
total_size = 0
|
||||
def totaldlcb(_total_size):
|
||||
global total_size
|
||||
total_size = _total_size
|
||||
|
||||
already_transferred = 0
|
||||
def cb_dl(_target, _transferred, total):
|
||||
global already_transferred
|
||||
while Gtk.events_pending():
|
||||
Gtk.main_iteration()
|
||||
if total_size > 0:
|
||||
fraction = (_transferred+already_transferred)/total_size
|
||||
size = 0
|
||||
if (to_remove or to_add):
|
||||
for pkg in to_remove+to_add:
|
||||
if pkg.name+'-'+pkg.version in _target:
|
||||
size = pkg.size
|
||||
if _transferred == size:
|
||||
already_transferred += size
|
||||
progress_label.set_text('Downloading '+format_size(total_size))
|
||||
progress_bar.set_text(_target)
|
||||
progress_bar.set_fraction(fraction)
|
||||
else:
|
||||
progress_label.set_text('Refreshing...')
|
||||
progress_bar.set_text(_target)
|
||||
progress_bar.pulse()
|
||||
|
||||
def cb_progress(_target, _percent, n, i):
|
||||
while Gtk.events_pending():
|
||||
Gtk.main_iteration()
|
||||
target = _target+' ('+str(i)+'/'+str(n)+')'
|
||||
progress_bar.set_fraction(_percent/100)
|
||||
progress_bar.set_text(target)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
True
|
||||
Reference in New Issue
Block a user