豆瓣电台

摘自瀚海星云 bbs：http://bbs.ustc.edu.cn/cgi/bbstcon?board=Linux&file=M.1286547291.A

针对网速慢的用户以及豆瓣电台的改动做了些修改～: D

dbfm.pl:

#!/usr/bin/perl -w
use LWP;
use HTTP::Cookies;
use JSON;
use Encode;
use Term::ANSIColor;
#use Smart::Comments;
 
my $time = 0;
$SIG{INT} = "quit";
 
my $b = LWP::UserAgent->new;
$b->cookie_jar(HTTP::Cookies->new);
 
my $form = {
    form_email=>'your_id',   ###----- 你的帐号-----###
    form_password=>'your_passwd',          ###----- 你的密码 ----###
    redir=>"/service/account/?return_to=http%3A%2F%2Fdouban.fm&mode=checkid_setup",
};
 
#-------login the douban.
my $login = $b->post('http://www.douban.com/login', $form);
my $_c = $b->get('http://douban.fm/radio');
my $uid ='2650910';
if($_c->content=~/flashvars\[s](http://perldoc.perl.org/functions/s.html)+=\[s](http://perldoc.perl.org/functions/s.html)+\{uid:'(\d+)'/){
    $uid=$1;  #-- Get the uid of your account.
}
#-------douban cache folder.
my $USER_DIR = "$ENV{HOME}/.douban";
[mkdir](http://perldoc.perl.org/functions/mkdir.html) $USER_DIR unless -d $USER_DIR;
 
&play_radio();
 
#-------play the mp3.
sub play_radio{
    while(1) {
        my $mp3 = $b->get('http://douban.fm/j/mine/playlist?r=' .[rand](http://perldoc.perl.org/functions/rand.html)(). '&type=n&sid=&uid='.$uid .'&channel=1' );#这里的channel参数是新增的，取值0-9 ~:P
        my $result = JSON->new->utf8(0)->decode($mp3->content);
        $result  = $result->{song};
        for my $hash(@$result){
                [print](http://perldoc.perl.org/functions/print.html) colored $hash->{'title'}." ", 'yellow';
                [print](http://perldoc.perl.org/functions/print.html) colored ("$hash->{'albumtitle'}",'blue'),'  ';
                [print](http://perldoc.perl.org/functions/print.html) colored "$hash->{'artist'}\n",'green';
                [print](http://perldoc.perl.org/functions/print.html) colored "$hash->{'picture'}\n$hash->{'url'}\n", 'white';
                #######--如果不需要下载封面图片显示在conky上，以下2行不需要用---###############
                download_cover($hash);
                log2file("[Playing] ",$hash->{'title'},"\t(",$hash->{'artist'},")\n");
                #######--
                #qx {wget "$hash->{'url'}" -O /tmp/dbfm 2>/dev/null && mplayer /tmp/dbfm 2>/dev/null};
                            #这一行我换成带缓存的mplayer调用，单纯的管道在网速不行的时候不太给力～:)
                [qx](http://perldoc.perl.org/functions/qx.html) {wget "$hash->{'url'}" -O - 2>/dev/null |mplayer -cache 1024 -  2>/dev/null };
        }
    }
}
 
sub quit{
    [qx](http://perldoc.perl.org/functions/qx.html) {killall -9 mplayer};
    if ([time](http://perldoc.perl.org/functions/time.html)()-$time<3){
        [print](http://perldoc.perl.org/functions/print.html) "exiting...\n";
        log2file("[Stopped]\n");
        [exit](http://perldoc.perl.org/functions/exit.html) 1;
    }
    [print](http://perldoc.perl.org/functions/print.html) "Press Ctrl+C again in 3 seconds to exit...\n";
    [select](http://perldoc.perl.org/functions/select.html)([undef](http://perldoc.perl.org/functions/undef.html),[undef](http://perldoc.perl.org/functions/undef.html),[undef](http://perldoc.perl.org/functions/undef.html),1);
    $time = [time](http://perldoc.perl.org/functions/time.html)();
    # $SIG{INT} = "quit";
}
 
#######--如果不需要下载封面图片显示在conky上，以下都不需要用---###############
sub log2file{
    my $logfile="/tmp/douban.log";
    [open](http://perldoc.perl.org/functions/open.html) LOG, "+>>/tmp/douban.log" or [return](http://perldoc.perl.org/functions/return.html) -1;
    [print](http://perldoc.perl.org/functions/print.html) LOG @_;
    [close](http://perldoc.perl.org/functions/close.html) LOG;
    [return](http://perldoc.perl.org/functions/return.html) 0;
}
sub download_cover{
    my $hash = [shift](http://perldoc.perl.org/functions/shift.html);
    my $covername = $hash->{albumtitle} . "_cover.jpg";
    my $artist = $hash->{'artist'};
    $covername = &file_trim ($covername);
    $artist = &file_trim ($artist);
    [mkdir](http://perldoc.perl.org/functions/mkdir.html) "$USER_DIR/$artist" if ! -d "$USER_DIR/$artist";
 
    my $file = "$USER_DIR/$artist/$covername";
    if ($hash->{'picture'}|| $hash->{'picture'}=~/^http.+jpg$/){
 
        if ( ! -[s](http://perldoc.perl.org/functions/s.html) $file ){
            $b->get($hash->{'picture'},':content_file' =>"$file") or [return](http://perldoc.perl.org/functions/return.html) -1;
        }
        [unlink](http://perldoc.perl.org/functions/unlink.html) "/tmp/douban_cover.jpg";
        [symlink](http://perldoc.perl.org/functions/symlink.html) "$file","/tmp/douban_cover.jpg";
    }
    [return](http://perldoc.perl.org/functions/return.html) 0;
}
 
sub file_trim{
    my $file = [shift](http://perldoc.perl.org/functions/shift.html);
    $file = decode('utf8',$file);
    $file =~ s/['"\\\/<>\?\!:\|\*]/ /g;
    $file =~ s/^\s+//;
    $file =~ s/\s+$//;
    $file = encode('utf8',$file);
    $file;
}
 
__END__