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linux终端播放音乐歌词同步显示

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#!/usr/bin/python
# -*- coding: utf-8 -*-
#=========================================
# Filename : music.py
# Filetype : Python
# Author   : Colben
# Create   : 2015-06-30 22:17:15
#=========================================

import sys, os, time, subprocess, re, chardet

def load_lrc(lrc_file):
    try:
        lrc_contains = open(lrc_file, 'rb').read()
        encoding = chardet.detect(lrc_contains)['encoding']
        if 'utf-8' != encoding:
            lrc_contains = lrc_contains.decode(encoding).encode('utf-8')
    except Exception, e:
        print '\033[4;0H\033[K\tNo lrc or in encoding found'
        return {}
    lrc = {}
    for eachline in re.split(r'\n', lrc_contains):
        line = re.split(r']', eachline)
        if 1 < len(line):
            for tm in line[0:-1]:
                try:
                    time = re.match(r'(\d\d)\s*:\s*(\d\d)',tm.strip(' [')).groups()
                    pos = 60*int(time[0]) + int(time[1])
                    lrc[pos] = line[-1]
                except Exception, e:
                    #print '\033[4;0H\033[K\tLrc fromat error'
                    #lrc_fp.close()
                    #return {}
                    pass
    #lrc_fp.close()
    return lrc

def main(song):
    print '\033[2J\033[2;0H\tPlaying %s ...'%song[:60]
    p = subprocess.Popen('mplayer %s 2>/dev/null'%song, stdout = subprocess.PIPE, shell = True)

    while True:
        match = re.match(r'A:.*[\d:.()]* of (\d+)', p.stdout.read(30))
        if None != p.poll():
            print '\033[9;0H\tFailed to recognize file format .'
            return 1
        if not match:
            output = p.stdout.readline()
        else:
            tot_time = int(match.group(1)) - 1
            for jump in range(1, 10):
                if 70 >= tot_time/jump:
                    break
            #print '\033[15;0H\ttotal time: %d'%tot_time
            break
    print '\033[?25l'
    lrc = load_lrc(os.path.splitext(song)[0] + '.lrc')
    while True:
        cur_char = p.stdout.read(1)
        if 'A' == cur_char:
            try:
                cur_time = int(p.stdout.read(5)[1:])
                print '\033[6;0H\033[K\tCurrent %d / Total %d'%(cur_time, tot_time)
                print '\033[1;0H', '-'*(tot_time/jump)
                print '\033[1;0H', '='*(cur_time/jump)
                print '\033[7;0H', '-'*(tot_time/jump)
                print '\033[7;0H', '='*(cur_time/jump)
                if tot_time <= cur_time:
                    print '\033[8;0H\033[K\tquit'
                    break
                print '\033[4;0H\033[K\t%s'%lrc[cur_time]
            except Exception, e:
                #print '\033[17;0H\tERROR:', e
                pass
        elif 'E' == cur_char:
            print '\033[8;0H\033[K\tquit'
            break

    p.wait()
    print '\033[10;0H\033[?25h'
    return 0

if '__main__' == __name__:
    if 2 != len(sys.argv) or not os.path.isfile(sys.argv[1]):
        print '\nUsage:', sys.argv[0], '{exist music filename}\n'
    else:
        main(sys.argv[1])

标签:python

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