Linux yum 运行时提示编码问题错误

1. 报错：
   UnicodeWarning: Unicode equal comparison failed to convert both arguments to Unicode - interpreting them as being unequal

2. 解决：

这个报错是编码问题导致的
在文件头加上
# -*- coding:utf-8 -*-

对需要比较的中文字符变量如：
label = label.decode('utf-8')

1. 具体实例：
   1. 问题展示：

   [root@localhost .pyenv]# yum-config-manager –add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
   已加载插件：fastestmirror, langpacks
   /usr/lib/python2.7/site-packages/yum/misc.py:133: UnicodeWarning: Unicode equal comparison failed to convert both arguments to Unicode - interpreting them as being unequal
     return lambda s: s.lower() == pat
   

   1. 问题解决：

   1 # -*- coding:utf-8 -*-
   2 #! /usr/bin/python -tt
   3 """
   4 Assorted utility functions for yum.
   5 """
   6
   7 import types
   8 import os
   9 import sys
   10 import os.path
   11 from cStringIO import StringIO
   12 import base64
   13 import binascii
   14 import struct
   15 import re
   16 import errno
   17 import Errors
   18 import constants
   19 import pgpmsg
   20 import tempfile
   21 import glob
   22 import pwd
   23 import fnmatch
   24 import bz2
   25 import gzip
   26 import shutil
   27 import urllib
   28 import string
   ......
   124 def compile_pattern(pat, ignore_case=False):
   125     """ Compile shell wildcards, return a 'match' function. """
   126     if re_glob(pat):
   127         try:
   128             flags = ignore_case and re.I or 0
   129             return re.compile(fnmatch.translate(pat), flags).match
   130         except re.error:
   131             pass # fall back to exact match
   132     if ignore_case:
   133         pat = pat.lower()
   134         return lambda s: s.lower() == pat.decode('utf-8')
   135     return lambda s: s == pat
   
   

   3. 再次测试：

   [root@localhost .pyenv]# yum-config-manager –add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
   已加载插件：fastestmirror, langpacks
   [root@localhost .pyenv]# yum-config-manager --add-repo  https://download.docker.com/linux/centos/docker-ce.repo
   已加载插件：fastestmirror, langpacks
   adding repo from: https://download.docker.com/linux/centos/docker-ce.repo
   grabbing file https://download.docker.com/linux/centos/docker-ce.repo to /etc/yum.repos.d/docker-ce.repo
   repo saved to /etc/yum.repos.d/docker-ce.repo
   [root@localhost .pyenv]# 
   

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