--- /dev/null
+import ast
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+ compat_HTTPError,
+ compat_str,
+ compat_urllib_parse,
+ compat_urllib_parse_urlparse,
+
+ ExtractorError,
+)
+
+
+class AddAnimeIE(InfoExtractor):
+
+ _VALID_URL = r'^http://(?:\w+\.)?add-anime\.net/watch_video.php\?(?:.*?)v=(?P<video_id>[\w_]+)(?:.*)'
+ IE_NAME = u'AddAnime'
+ _TEST = {
+ u'url': u'http://www.add-anime.net/watch_video.php?v=24MR3YO5SAS9',
+ u'file': u'24MR3YO5SAS9.flv',
+ u'md5': u'1036a0e0cd307b95bd8a8c3a5c8cfaf1',
+ u'info_dict': {
+ u"description": u"One Piece 606",
+ u"title": u"One Piece 606"
+ }
+ }
+
+ def _real_extract(self, url):
+ try:
+ mobj = re.match(self._VALID_URL, url)
+ video_id = mobj.group('video_id')
+ webpage = self._download_webpage(url, video_id)
+ except ExtractorError as ee:
+ if not isinstance(ee.cause, compat_HTTPError):
+ raise
+
+ redir_webpage = ee.cause.read().decode('utf-8')
+ action = self._search_regex(
+ r'<form id="challenge-form" action="([^"]+)"',
+ redir_webpage, u'Redirect form')
+ vc = self._search_regex(
+ r'<input type="hidden" name="jschl_vc" value="([^"]+)"/>',
+ redir_webpage, u'redirect vc value')
+ av = re.search(
+ r'a\.value = ([0-9]+)[+]([0-9]+)[*]([0-9]+);',
+ redir_webpage)
+ if av is None:
+ raise ExtractorError(u'Cannot find redirect math task')
+ av_res = int(av.group(1)) + int(av.group(2)) * int(av.group(3))
+
+ parsed_url = compat_urllib_parse_urlparse(url)
+ av_val = av_res + len(parsed_url.netloc)
+ confirm_url = (
+ parsed_url.scheme + u'://' + parsed_url.netloc +
+ action + '?' +
+ compat_urllib_parse.urlencode({
+ 'jschl_vc': vc, 'jschl_answer': compat_str(av_val)}))
+ self._download_webpage(
+ confirm_url, video_id,
+ note=u'Confirming after redirect')
+ webpage = self._download_webpage(url, video_id)
+
+ video_url = self._search_regex(r"var normal_video_file = '(.*?)';",
+ webpage, u'video file URL')
+ video_title = self._og_search_title(webpage)
+ video_description = self._og_search_description(webpage)
+
+ return {
+ '_type': 'video',
+ 'id': video_id,
+ 'url': video_url,
+ 'ext': 'flv',
+ 'title': video_title,
+ 'description': video_description
+ }