0x0000000000000000
     ;ˆÈÐ„pM¾/¿Î ?÷     ;#!/usr/bin/python -t
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Copyright 2009 Red Hat
#
# James Antill <james@fedoraproject.org>

import time
import os, os.path
import glob
import re
from weakref import proxy as weakref

from sqlutils import sqlite, executeSQL, sql_esc_glob
import yum.misc as misc
import yum.constants
from yum.constants import *
from yum.packages import YumInstalledPackage, YumAvailablePackage, PackageObject
from yum.i18n import to_unicode, to_utf8

from rpmUtils.arch import getBaseArch

_history_dir = '/var/lib/yum/history'

# NOTE: That we don't list TS_FAILED, because pkgs shouldn't go into the
#       transaction with that. And if they come out with that we don't want to
#       match them to anything anyway.
_stcode2sttxt = {TS_UPDATE : 'Update',
                 TS_UPDATED : 'Updated', 
                 TS_ERASE: 'Erase',
                 TS_INSTALL: 'Install', 
                 TS_TRUEINSTALL : 'True-Install',
                 TS_OBSOLETED: 'Obsoleted',
                 TS_OBSOLETING: 'Obsoleting'}

_sttxt2stcode = {'Update' : TS_UPDATE,
                 'Updated' : TS_UPDATED, 
                 'Erase' : TS_ERASE,
                 'Install' : TS_INSTALL, 
                 'True-Install' : TS_TRUEINSTALL,
                 'Dep-Install' : TS_INSTALL,
                 'Reinstall' : TS_INSTALL, # Broken
                 'Downgrade' : TS_INSTALL, # Broken
                 'Downgraded' : TS_INSTALL, # Broken
                 'Obsoleted' : TS_OBSOLETED,
                 'Obsoleting' : TS_OBSOLETING}

# ---- horrible Copy and paste from sqlitesack ----

def _setupHistorySearchSQL(patterns=None, ignore_case=False):
    """Setup need_full and patterns for _yieldSQLDataList, also see if
       we can get away with just using searchNames(). """

    if patterns is None:
        patterns = []

    fields = ['name', 'sql_nameArch', 'sql_nameVerRelArch',
              'sql_nameVer', 'sql_nameVerRel',
              'sql_envra', 'sql_nevra']
    need_full = False
    for pat in patterns:
        if yum.misc.re_full_search_needed(pat):
            need_full = True
            break

    pat_max = PATTERNS_MAX
    if not need_full:
        fields = ['name']
        pat_max = PATTERNS_INDEXED_MAX
    if len(patterns) > pat_max:
        patterns = []
    if ignore_case:
        patterns = sql_esc_glob(patterns)
    else:
        tmp = []
        need_glob = False
        for pat in patterns:
            if misc.re_glob(pat):
                tmp.append((pat, 'glob'))
                need_glob = True
            else:
                tmp.append((pat, '='))
        if not need_full and not need_glob and patterns:
            return (need_full, patterns, fields, True)
        patterns = tmp
    return (need_full, patterns, fields, False)
# ---- horrible Copy and paste from sqlitesack ----

class _YumHistPackageYumDB:
    """ Class to pretend to be yumdb_info for history packages. """

    def __init__(self, pkg):
        self._pkg = pkg

    _valid_yumdb_keys = set(["command_line",
                             "from_repo", "from_repo_revision",
                             "from_repo_timestamp",
                             "installed_by", "changed_by",
                             "reason", "releasever"])
    def __getattr__(self, attr):
        """ Load yumdb attributes from the history sqlite. """
        pkg =