add support for Sina

you_get/downloader/__init__.py

@@ -4,6 +4,7 @@ from .cntv import *
 from .iqiyi import *
 from .ku6 import *
 from .pptv import *
+from .sina import *
 from .sohu import *
 from .tudou import *
 from .w56 import *

you_get/downloader/sina.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+
+__all__ = ['sina_download', 'sina_download_by_id']
+
+from ..common import *
+
+import re
+
+def video_info(id):
+    xml = get_decoded_html('http://v.iask.com/v_play.php?vid=%s' % id)
+    urls = re.findall(r'<url>(?:<!\[CDATA\[)?(.*?)(?:\]\]>)?</url>', xml)
+    name = r1(r'<vname>(?:<!\[CDATA\[)?(.+?)(?:\]\]>)?</vname>', xml)
+    vstr = r1(r'<vstr>(?:<!\[CDATA\[)?(.+?)(?:\]\]>)?</vstr>', xml)
+    return urls, name, vstr
+
+def sina_download_by_id(id, title = None, output_dir = '.', merge = True, info_only = False):
+    urls, name, vstr = video_info(id)
+    title = title or name
+    assert title
+    size = 0
+    for url in urls:
+        _, _, temp = url_info(url)
+        size += temp
+    
+    print_info(site_info, title, 'flv', size)
+    if not info_only:
+        download_urls(urls, title, 'flv', size, output_dir = output_dir, merge = merge)
+
+def sina_download(url, output_dir = '.', merge = True, info_only = False):
+    id = r1(r'ipad_vid:\'(\d+)\',', get_html(url))
+    sina_download_by_id(id, output_dir = output_dir, merge = merge, info_only = info_only)
+
+site_info = "Sina.com"
+download = sina_download
+download_playlist = playlist_not_supported('sina')

you_get/main.py

@@ -18,9 +18,11 @@ def url_to_module(url):
     downloads = {
         '56': w56,
         'cntv': cntv,
+        'iask': sina,
         'iqiyi': iqiyi,
         'ku6': ku6,
         'pptv': pptv,
+        'sina': sina,
         'sohu': sohu,
         'tudou': tudou,
         'yinyuetai': yinyuetai,
@@ -30,8 +32,6 @@ def url_to_module(url):
         # 'acfun': acfun,
         # 'bilibili': bilibili,
         # 'kankanews': bilibili,
-        # 'iask': iask,
-        # 'sina': iask,
     }
     if k in downloads:
         return downloads[k]