#! /usr/bin/env python<\/span><\/div># vim: set fileencoding=utf-8<\/span><\/div> <\/div>
"""<\/span><\/div>download softwares<\/span><\/div>"""<\/span><\/div> <\/div>
import<\/span> os<\/span>,<\/span> sys<\/span><\/div> <\/div>
p<\/span> =<\/span> os<\/span>.<\/span>path<\/span><\/div> <\/div>
if<\/span> p<\/span>.<\/span>dirname<\/span>(<\/span>p<\/span>.<\/span>abspath<\/span>(<\/span>sys<\/span>.<\/span>argv<\/span>[<\/span>0<\/span>]))<\/span> !=<\/span> os<\/span>.<\/span>getcwd<\/span>():<\/span><\/div> print<\/span> "Usage: ./download.py"<\/span><\/div> sys<\/span>.<\/span>exit<\/span>(<\/span>1<\/span>)<\/span><\/div> <\/div>
wget<\/span> =<\/span> os<\/span>.<\/span>popen<\/span>(<\/span>'which wget'<\/span>)<\/span>.<\/span>read<\/span>()<\/span> # 返回值里包含"\\n"<\/span><\/div>if<\/span> not<\/span> len<\/span>(<\/span>wget<\/span>):<\/span><\/div> print<\/span> "* wget not found."<\/span><\/div> sys<\/span>.<\/span>exit<\/span>(<\/span>2<\/span>)<\/span><\/div> <\/div>
wget<\/span> =<\/span> wget<\/span>.<\/span>replace<\/span>(<\/span>'<\/span>\\n<\/span>'<\/span>,<\/span> ''<\/span>)<\/span><\/div> <\/div>
# urls to download softwares<\/span><\/div>urls<\/span> =<\/span> (<\/span><\/div> 'http://www.python.org/ftp/python/3.0.1/Python-3.0.1.tar.bz2'<\/span>,<\/span><\/div> 'http://monkey.org/~provos/libevent-1.4.9-stable.tar.gz'<\/span>,<\/span><\/div> 'http://sysoev.ru/nginx/nginx-0.6.35.tar.gz'<\/span><\/div> )<\/span><\/div> <\/div>
to_download<\/span> =<\/span> filter<\/span>(<\/span>lambda<\/span> x<\/span>:<\/span> not<\/span> os<\/span>.<\/span>path<\/span>.<\/span>exists<\/span>(<\/span>x<\/span>.<\/span>split<\/span>(<\/span>'/'<\/span>)[<\/span>-<\/span>1<\/span>:][<\/span>0<\/span>]),<\/span> urls<\/span>)<\/span><\/div> <\/div>
if<\/span> len<\/span>(<\/span>to_download<\/span>):<\/span><\/div> for<\/span> cmd<\/span> in<\/span> map<\/span>(<\/span>lambda<\/span> x<\/span>:<\/span> wget<\/span> +<\/span> ' '<\/span> +<\/span> x<\/span>,<\/span> to_download<\/span>):<\/span><\/div> os<\/span>.<\/span>system<\/span>(<\/span>cmd<\/span>)<\/span><\/div>else<\/span>:<\/span><\/div> print<\/span> "* nothing to download."<\/span><\/div> <\/div><\/pre><\/div>\n \n <\/div>\n\n