[crunchyroll] Add support for mobile URLs and use unicode literals
diff --git a/youtube_dl/extractor/crunchyroll.py b/youtube_dl/extractor/crunchyroll.py
index 2b66bddbbb7..920728e01f1 100644
--- a/youtube_dl/extractor/crunchyroll.py
+++ b/youtube_dl/extractor/crunchyroll.py
@@ -1,4 +1,6 @@
 # encoding: utf-8
+from __future__ import unicode_literals
+
 import re, base64, zlib
 from hashlib import sha1
 from math import pow, sqrt, floor
@@ -18,29 +20,29 @@
 )
 
 class CrunchyrollIE(InfoExtractor):
-    _VALID_URL = r'(?:https?://)?(?:www\.)?(?P<url>crunchyroll\.com/[^/]*/[^/?&]*?(?P<video_id>[0-9]+))(?:[/?&]|$)'
+    _VALID_URL = r'(?:https?://)?(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.com/(?:[^/]*/[^/?&]*?|media/\?id=)(?P<video_id>[0-9]+))(?:[/?&]|$)'
     _TESTS = [{
-        u'url': u'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
-        u'file': u'645513.flv',
-        #u'md5': u'b1639fd6ddfaa43788c85f6d1dddd412',
-        u'info_dict': {
-            u'title': u'Wanna be the Strongest in the World Episode 1 – An Idol-Wrestler is Born!',
-            u'description': u'md5:2d17137920c64f2f49981a7797d275ef',
-            u'thumbnail': u'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg',
-            u'uploader': u'Yomiuri Telecasting Corporation (YTV)',
-            u'upload_date': u'20131013',
+        'url': 'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
+        'file': '645513.flv',
+        #'md5': 'b1639fd6ddfaa43788c85f6d1dddd412',
+        'info_dict': {
+            'title': 'Wanna be the Strongest in the World Episode 1 – An Idol-Wrestler is Born!',
+            'description': 'md5:2d17137920c64f2f49981a7797d275ef',
+            'thumbnail': 'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg',
+            'uploader': 'Yomiuri Telecasting Corporation (YTV)',
+            'upload_date': '20131013',
         },
-        u'params': {
+        'params': {
             # rtmp
-            u'skip_download': True,
+            'skip_download': True,
         },
     }]
 
     _FORMAT_IDS = {
-        u'360': (u'60', u'106'),
-        u'480': (u'61', u'106'),
-        u'720': (u'62', u'106'),
-        u'1080': (u'80', u'108'),
+        '360': ('60', '106'),
+        '480': ('61', '106'),
+        '720': ('62', '106'),
+        '1080': ('80', '108'),
     }
 
     def _decrypt_subtitles(self, data, iv, id):
@@ -63,7 +65,7 @@ def obfuscate_key(key):
             num3 = key ^ num1
             num4 = num3 ^ (num3 >> 3) ^ num2
             prefix = intlist_to_bytes(obfuscate_key_aux(20, 97, (1, 2)))
-            shaHash = bytes_to_intlist(sha1(prefix + str(num4).encode(u'ascii')).digest())
+            shaHash = bytes_to_intlist(sha1(prefix + str(num4).encode('ascii')).digest())
             # Extend 160 Bit hash to 256 Bit
             return shaHash + [0] * 12
         
@@ -79,93 +81,98 @@ def next_value(self):
 
     def _convert_subtitles_to_srt(self, subtitles):
         i=1
-        output = u''
+        output = ''
         for start, end, text in re.findall(r'<event [^>]*?start="([^"]+)" [^>]*?end="([^"]+)" [^>]*?text="([^"]+)"[^>]*?>', subtitles):
-            start = start.replace(u'.', u',')
-            end = end.replace(u'.', u',')
+            start = start.replace('.', ',')
+            end = end.replace('.', ',')
             text = clean_html(text)
-            text = text.replace(u'\\N', u'\n')
+            text = text.replace('\\N', '\n')
             if not text:
                 continue
-            output += u'%d\n%s --> %s\n%s\n\n' % (i, start, end, text)
+            output += '%d\n%s --> %s\n%s\n\n' % (i, start, end, text)
             i+=1
         return output
 
     def _real_extract(self,url):
         mobj = re.match(self._VALID_URL, url)
+        video_id = mobj.group('video_id')
+
+        if mobj.group('prefix') == 'm':
+            mobile_webpage = self._download_webpage(url, video_id, 'Downloading mobile webpage')
+            webpage_url = self._search_regex(r'<link rel="canonical" href="([^"]+)" />', mobile_webpage, 'webpage_url')
+        else:
+            webpage_url = 'http://www.' + mobj.group('url')
 
-        webpage_url = u'http://www.' + mobj.group('url')
-        video_id = mobj.group(u'video_id')
-        webpage = self._download_webpage(webpage_url, video_id)
-        note_m = self._html_search_regex(r'<div class="showmedia-trailer-notice">(.+?)</div>', webpage, u'trailer-notice', default=u'')
+        webpage = self._download_webpage(webpage_url, video_id, 'Downloading webpage')
+        note_m = self._html_search_regex(r'<div class="showmedia-trailer-notice">(.+?)</div>', webpage, 'trailer-notice', default='')
         if note_m:
             raise ExtractorError(note_m)
 
-        video_title = self._html_search_regex(r'<h1[^>]*>(.+?)</h1>', webpage, u'video_title', flags=re.DOTALL)
-        video_title = re.sub(r' {2,}', u' ', video_title)
-        video_description = self._html_search_regex(r'"description":"([^"]+)', webpage, u'video_description', default=u'')
+        video_title = self._html_search_regex(r'<h1[^>]*>(.+?)</h1>', webpage, 'video_title', flags=re.DOTALL)
+        video_title = re.sub(r' {2,}', ' ', video_title)
+        video_description = self._html_search_regex(r'"description":"([^"]+)', webpage, 'video_description', default='')
         if not video_description:
             video_description = None
-        video_upload_date = self._html_search_regex(r'<div>Availability for free users:(.+?)</div>', webpage, u'video_upload_date', fatal=False, flags=re.DOTALL)
+        video_upload_date = self._html_search_regex(r'<div>Availability for free users:(.+?)</div>', webpage, 'video_upload_date', fatal=False, flags=re.DOTALL)
         if video_upload_date:
             video_upload_date = unified_strdate(video_upload_date)
-        video_uploader = self._html_search_regex(r'<div>\s*Publisher:(.+?)</div>', webpage, u'video_uploader', fatal=False, flags=re.DOTALL)
+        video_uploader = self._html_search_regex(r'<div>\s*Publisher:(.+?)</div>', webpage, 'video_uploader', fatal=False, flags=re.DOTALL)
 
-        playerdata_url = compat_urllib_parse.unquote(self._html_search_regex(r'"config_url":"([^"]+)', webpage, u'playerdata_url'))
+        playerdata_url = compat_urllib_parse.unquote(self._html_search_regex(r'"config_url":"([^"]+)', webpage, 'playerdata_url'))
         playerdata_req = compat_urllib_request.Request(playerdata_url)
-        playerdata_req.data = compat_urllib_parse.urlencode({u'current_page': webpage_url})
-        playerdata_req.add_header(u'Content-Type', u'application/x-www-form-urlencoded')
-        playerdata = self._download_webpage(playerdata_req, video_id, note=u'Downloading media info')
+        playerdata_req.data = compat_urllib_parse.urlencode({'current_page': webpage_url})
+        playerdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
+        playerdata = self._download_webpage(playerdata_req, video_id, note='Downloading media info')
         
-        stream_id = self._search_regex(r'<media_id>([^<]+)', playerdata, u'stream_id')
-        video_thumbnail = self._search_regex(r'<episode_image_url>([^<]+)', playerdata, u'thumbnail', fatal=False)
+        stream_id = self._search_regex(r'<media_id>([^<]+)', playerdata, 'stream_id')
+        video_thumbnail = self._search_regex(r'<episode_image_url>([^<]+)', playerdata, 'thumbnail', fatal=False)
 
         formats = []
         for fmt in re.findall(r'\?p([0-9]{3,4})=1', webpage):
             stream_quality, stream_format = self._FORMAT_IDS[fmt]
-            video_format = fmt+u'p'
-            streamdata_req = compat_urllib_request.Request(u'http://www.crunchyroll.com/xml/')
+            video_format = fmt+'p'
+            streamdata_req = compat_urllib_request.Request('http://www.crunchyroll.com/xml/')
             # urlencode doesn't work!
-            streamdata_req.data = u'req=RpcApiVideoEncode%5FGetStreamInfo&video%5Fencode%5Fquality='+stream_quality+u'&media%5Fid='+stream_id+u'&video%5Fformat='+stream_format
-            streamdata_req.add_header(u'Content-Type', u'application/x-www-form-urlencoded')
-            streamdata_req.add_header(u'Content-Length', str(len(streamdata_req.data)))
-            streamdata = self._download_webpage(streamdata_req, video_id, note=u'Downloading media info for '+video_format)
-            video_url = self._search_regex(r'<host>([^<]+)', streamdata, u'video_url')
-            video_play_path = self._search_regex(r'<file>([^<]+)', streamdata, u'video_play_path')
+            streamdata_req.data = 'req=RpcApiVideoEncode%5FGetStreamInfo&video%5Fencode%5Fquality='+stream_quality+'&media%5Fid='+stream_id+'&video%5Fformat='+stream_format
+            streamdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
+            streamdata_req.add_header('Content-Length', str(len(streamdata_req.data)))
+            streamdata = self._download_webpage(streamdata_req, video_id, note='Downloading media info for '+video_format)
+            video_url = self._search_regex(r'<host>([^<]+)', streamdata, 'video_url')
+            video_play_path = self._search_regex(r'<file>([^<]+)', streamdata, 'video_play_path')
             formats.append({
-                u'url': video_url,
-                u'play_path':   video_play_path,
-                u'ext': 'flv',
-                u'format': video_format,
-                u'format_id': video_format,
+                'url': video_url,
+                'play_path':   video_play_path,
+                'ext': 'flv',
+                'format': video_format,
+                'format_id': video_format,
             })
 
         subtitles = {}
         for sub_id, sub_name in re.findall(r'\?ssid=([0-9]+)" title="([^"]+)', webpage):
-            sub_page = self._download_webpage(u'http://www.crunchyroll.com/xml/?req=RpcApiSubtitle_GetXml&subtitle_script_id='+sub_id,\
-                                              video_id, note=u'Downloading subtitles for '+sub_name)
-            id = self._search_regex(r'id=\'([0-9]+)', sub_page, u'subtitle_id', fatal=False)
-            iv = self._search_regex(r'<iv>([^<]+)', sub_page, u'subtitle_iv', fatal=False)
-            data = self._search_regex(r'<data>([^<]+)', sub_page, u'subtitle_data', fatal=False)
+            sub_page = self._download_webpage('http://www.crunchyroll.com/xml/?req=RpcApiSubtitle_GetXml&subtitle_script_id='+sub_id,\
+                                              video_id, note='Downloading subtitles for '+sub_name)
+            id = self._search_regex(r'id=\'([0-9]+)', sub_page, 'subtitle_id', fatal=False)
+            iv = self._search_regex(r'<iv>([^<]+)', sub_page, 'subtitle_iv', fatal=False)
+            data = self._search_regex(r'<data>([^<]+)', sub_page, 'subtitle_data', fatal=False)
             if not id or not iv or not data:
                 continue
             id = int(id)
             iv = base64.b64decode(iv)
             data = base64.b64decode(data)
 
-            subtitle = self._decrypt_subtitles(data, iv, id).decode(u'utf-8')
-            lang_code = self._search_regex(r'lang_code=\'([^\']+)', subtitle, u'subtitle_lang_code', fatal=False)
+            subtitle = self._decrypt_subtitles(data, iv, id).decode('utf-8')
+            lang_code = self._search_regex(r'lang_code=\'([^\']+)', subtitle, 'subtitle_lang_code', fatal=False)
             if not lang_code:
                 continue
             subtitles[lang_code] = self._convert_subtitles_to_srt(subtitle)
 
         return {
-            u'id':          video_id,
-            u'title':       video_title,
-            u'description': video_description,
-            u'thumbnail':   video_thumbnail,
-            u'uploader':    video_uploader,
-            u'upload_date': video_upload_date,
-            u'subtitles':   subtitles,
-            u'formats':     formats,
+            'id':          video_id,
+            'title':       video_title,
+            'description': video_description,
+            'thumbnail':   video_thumbnail,
+            'uploader':    video_uploader,
+            'upload_date': video_upload_date,
+            'subtitles':   subtitles,
+            'formats':     formats,
         }
