add Dongting (天天动听) support

example URL: http://www.dongting.com/?song_id=281575

src/you_get/common.py

@@ -928,7 +928,7 @@ def script_main(script_name, download, download_playlist = None):
             sys.exit(1)
 
 def url_to_module(url):
-    from .extractors import netease, w56, acfun, baidu, bilibili, blip, catfun, cntv, cbs, coursera, dailymotion, douban, ehow, facebook, freesound, google, sina, ifeng, alive, instagram, iqiyi, joy, jpopsuki, khan, ku6, kugou, kuwo, letv, magisto, miomio, mixcloud, mtv81, nicovideo, pptv, qq, sohu, songtaste, soundcloud, ted, theplatform, tudou, tucao, tumblr, vid48, videobam, vimeo, vine, vk, xiami, yinyuetai, youku, youtube
+    from .extractors import netease, w56, acfun, baidu, bilibili, blip, catfun, cntv, cbs, coursera, dailymotion, dongting, douban, ehow, facebook, freesound, google, sina, ifeng, alive, instagram, iqiyi, joy, jpopsuki, khan, ku6, kugou, kuwo, letv, magisto, miomio, mixcloud, mtv81, nicovideo, pptv, qq, sohu, songtaste, soundcloud, ted, theplatform, tudou, tucao, tumblr, vid48, videobam, vimeo, vine, vk, xiami, yinyuetai, youku, youtube
 
     video_host = r1(r'https?://([^/]+)/', url)
     video_url = r1(r'https?://[^/]+(.*)', url)
@@ -952,6 +952,7 @@ def url_to_module(url):
         'cbs': cbs,
         'coursera': coursera,
         'dailymotion': dailymotion,
+        'dongting': dongting,
         'douban': douban,
         'ehow': ehow,
         'facebook': facebook,
@@ -1021,3 +1022,13 @@ def any_download_playlist(url, **kwargs):
 
 def main():
     script_main('you-get', any_download, any_download_playlist)
+
+_unit_prefixes = 'bkmg'
+
+def parse_size(size):
+    m = re.match(r'([\d.]+)(.(?:i?B)?)', size, re.I)
+    if m:
+        return int(float(m.group(1)) * 1024 **
+                   _unit_prefixes.index(m.group(2).lower()))
+    else:
+        return 0

src/you_get/extractors/dongting.py

@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+
+__all__ = ['dongting_download']
+
+from ..common import *
+
+def dongting_download_lyric(lrc_url, file_name, output_dir):
+    j = get_html(lrc_url)
+    info = json.loads(j)
+    lrc = j['data']['lrc']
+    filename = get_filename(file_name)
+    with open(output_dir + "/" + filename + '.lrc', 'w', encoding='utf-8') as x:
+        x.write(lrc)
+
+def dongting_download_song(sid, output_dir = '.', merge = True, info_only = False):
+    j = get_html('http://ting.hotchanson.com/detail.do?neid=%s&size=0' % sid)
+    info = json.loads(j)
+
+    song_title = info['data']['songName']
+    album_name = info['data']['albumName']
+    artist = info['data']['singerName']
+    ext = 'mp3'
+    size = parse_size(info['data']['itemList'][-1]['size'])
+    url = info['data']['itemList'][-1]['downUrl']
+
+    print_info(site_info, song_title, ext, size)
+    if not info_only:
+        file_name = "%s - %s - %s" % (song_title, album_name, artist)
+        download_urls([url], file_name, ext, size, output_dir, merge = merge)
+        lrc_url = ('http://lp.music.ttpod.com/lrc/down?'
+                   'lrcid=&artist=%s&title=%s') % (
+                       parse.quote(artist), parse.quote(song_title))
+        try:
+            dongting_download_lyric(lrc_url, file_name, output_dir)
+        except:
+            pass
+
+def dongting_download(url, output_dir = '.', stream_type = None, merge = True, info_only = False):
+    if re.match('http://www.dongting.com/\?song_id=\d+', url):
+        id = r1(r'http://www.dongting.com/\?song_id=(\d+)', url)
+        dongting_download_song(id, output_dir, merge, info_only)
+
+site_info = "Dongting.com"
+download = dongting_download
+download_playlist = playlist_not_supported("dongting")