python自动安装工具easy_install 安装 代理如何配置

[Test_LD]

使用“2”个参数调用“DownloadFile”时发生异常:“远程服务器返回错误: (407) 需要
代理身份验证。”
所在位置 行:1 字符: 47
+ (new-object System.Net.WebClient).DownloadFile <<<< ('https://pypi.python.org
/packages/source/s/setuptools/setuptools-1.4.2.tar.gz', 'C:\\Python33\\Tools\\S
cripts\\setuptools-1.4.2.tar.gz')
+ CategoryInfo : NotSpecified: (:) [], MethodInvocationException
+ FullyQualifiedErrorId : DotNetMethodException

Traceback (most recent call last):
File "ez_setup.py", line 381, in <module>
sys.exit(main())
File "ez_setup.py", line 377, in main
downloader_factory=options.downloader_factory)
File "ez_setup.py", line 289, in download_setuptools
downloader(url, saveto)
File "ez_setup.py", line 176, in download_file_powershell
_clean_check(cmd, target)
File "ez_setup.py", line 159, in _clean_check
subprocess.check_call(cmd)
File "C:\Python33\lib\subprocess.py", line 547, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['powershell', '-Command', "(new-object
System.Net.WebClient).DownloadFile('https://pypi.python.org/packages/source/s/se
tuptools/setuptools-1.4.2.tar.gz', 'C:\\\\Python33\\\\Tools\\\\Scripts\\\\setupt
ools-1.4.2.tar.gz')"]' returned non-zero exit status 1


求大神帮忙。。

[浪漫不属意]

大哥怎么解决的？