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˜´oá485¿ß å    a# -*- coding: utf-8 -*-
"""
parsedatetime/warns.py

All subclasses inherited from `Warning` class

"""
from __future__ import absolute_import

import warnings


class pdtDeprecationWarning(DeprecationWarning):
    pass


class pdtPendingDeprecationWarning(PendingDeprecationWarning):
    pass


class pdt20DeprecationWarning(pdtPendingDeprecationWarning):
    pass


warnings.simplefilter('default', pdtDeprecationWarning)
warnings.simplefilter('ignore', pdtPendingDeprecationWarning)
     cˆÙá„u·„Ï¿ß ?÷     c#!/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 2005 Duke University 

"""
Dependency resolution module for yum.
"""

import os.path
import types
import logging

import rpmUtils.transaction
import rpmUtils.miscutils
from rpmUtils.arch import archDifference, canCoinstall
import misc
from misc import unique, version_tuple_to_string
from transactioninfo import TransactionMember
import rpm

from packageSack import ListPackageSack
from packages import PackageEVR
from constants import *
import logginglevels
import Errors
import warnings
warnings.simplefilter("ignore", Errors.YumFutureDeprecationWarning)

from weakref import proxy as weakref

from yum import _, _rpm_ver_atleast

try:
    assert max(2, 4) == 4
except:
    # Python-2.4.x doesn't have min/max ... *sigh*
    def min(x, *args): 
        for y in args:
            if x > y: x = y
        return x
    def max(x, *args):
        for y in args:
            if x < y: x = y
        return x
flags = {"GT": rpm.RPMSENSE_GREATER,
         "GE": rpm.RPMSENSE_EQUAL | rpm.RPMSENSE_GREATER,
         "LT": rpm.RPMSENSE_LESS,
         "LE": rpm.RPMSENSE_LESS | rpm.RPMSENSE_EQUAL,
         "EQ": rpm.RPMSENSE_EQUAL,
         None: 0 }
_rflags = {}
for f in flags:
    _rflags[flags[f]] = f


class _wrap_ayum_getPkgSack:
    """ This is a wrapper for calling YumBase.pkgSack because
        otherwise we take a real reference through the bound method and
        that is d00m (this applies to YumBase and TransactionInfo, hence why
        we have a separate class). """
    def __init__(self, ayum):
        self.ayum = weakref(ayum)
    def __call__(self):
        return self.ayum.pkgSack

class _wrap_ayum_install:
    """ This is a wrapper for calling YumBase.install because
        otherwise we take a real reference through the bound method and
        that is d00m (this applies to YumBase and TransactionInfo, hence why
        we have a separate class). """
    def __init__(self, ayum):
        self.ayum = weakref(ayum)
    def __call__(self, *args, **kwargs):
        return self.ayum.install(*args, **kwargs)
class _wrap_ayum_remove:
    """ This is a wrapper for calling YumBase.remove because
        otherwise we take a real reference through the bound method and
        that is d00m (this applies to YumBase and TransactionInfo, hence why
        we have a separate class). """
    def __init__(self, ayum):
        self.ayum = weakref(ayum)
    def __call__(self, *args, **kwargs):
        return self.ayum.remove(*args, **kwargs)
class _wrap_ayum_update:
    """ This is a wrapper for calling YumBase.update because
        otherwise we take a real reference through the bound method and
        that is d00m (this applies to YumBase and TransactionInfo, hence why
        we have a separate class). """
    def __init__(self, ayum):
        self.ayum =