Add support for niconico

youtube_dl/extractor/__init__.py

@@ -98,6 +98,7 @@ from .nba import NBAIE
 from .nbc import NBCNewsIE
 from .newgrounds import NewgroundsIE
 from .nhl import NHLIE, NHLVideocenterIE
+from .niconico import NiconicoIE
 from .nowvideo import NowVideoIE
 from .ooyala import OoyalaIE
 from .orf import ORFIE

youtube_dl/extractor/niconico.py

@@ -0,0 +1,190 @@
+# encoding: utf-8
+
+import re
+import socket
+import xml.etree.ElementTree
+
+from .common import InfoExtractor
+from ..utils import (
+    compat_http_client,
+    compat_urllib_error,
+    compat_urllib_parse,
+    compat_urllib_request,
+    compat_urlparse,
+    compat_str,
+
+    ExtractorError,
+    unified_strdate,
+)
+
+class NiconicoIE(InfoExtractor):
+    IE_NAME = u'niconico'
+    IE_DESC = u'ニコニコ動画'
+
+    _TEST = {
+        u'url': u'http://www.nicovideo.jp/watch/sm22312215',
+        u'file': u'sm22312215.mp4',
+        u'md5': u'd1a75c0823e2f629128c43e1212760f9',
+        u'info_dict': {
+            u'title': u'Big Buck Bunny',
+            u'uploader': u'takuya0301',
+            u'uploader_id': u'2698420',
+            u'upload_date': u'20131123',
+            u'description': u'(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
+        },
+        u'params': {
+            u'username': u'ydl.niconico@gmail.com',
+            u'password': u'youtube-dl',
+        },
+    }
+
+    _VALID_URL = r'^(?:https?://)?(?:www\.)?nicovideo\.jp/watch/([a-z][a-z][0-9]+)(?:.*)$'
+    _LOGIN_URL = 'https://secure.nicovideo.jp/secure/login'
+    _NETRC_MACHINE = 'niconico'
+    # If True it will raise an error if no login info is provided
+    _LOGIN_REQUIRED = True
+
+    def _real_initialize(self):
+        self._login()
+
+    def _login(self):
+        (username, password) = self._get_login_info()
+        # No authentication to be performed
+        if username is None:
+            if self._LOGIN_REQUIRED:
+                raise ExtractorError(u'No login info available, needed for using %s.' % self.IE_NAME, expected=True)
+            return False
+
+        # Log in
+        login_form_strs = {
+                u'mail': username,
+                u'password': password,
+        }
+        # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
+        # chokes on unicode
+        login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
+        login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
+        request = compat_urllib_request.Request(self._LOGIN_URL, login_data)
+        try:
+            self.report_login()
+            login_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
+            if re.search(r'(?i)<h1 class="mb8p4">Log in error</h1>', login_results) is not None:
+                self._downloader.report_warning(u'unable to log in: bad username or password')
+                return False
+        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+            self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
+            return False
+        return True
+
+    def _real_extract(self, url):
+        video_id = self._extract_id(url)
+
+        # Get video webpage
+        self.report_video_webpage_download(video_id)
+        url = 'http://www.nicovideo.jp/watch/' + video_id
+        request = compat_urllib_request.Request(url)
+        try:
+            video_webpage = compat_urllib_request.urlopen(request).read()
+        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+            raise ExtractorError(u'Unable to download video webpage: %s' % compat_str(err))
+
+        # Get video info
+        self.report_video_info_webpage_download(video_id)
+        url = 'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id
+        request = compat_urllib_request.Request(url)
+        try:
+            video_info_webpage = compat_urllib_request.urlopen(request).read()
+        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+            raise ExtractorError(u'Unable to download video info webpage: %s' % compat_str(err))
+
+        # Get flv info
+        self.report_flv_info_webpage_download(video_id)
+        url = 'http://flapi.nicovideo.jp/api/getflv?v=' + video_id
+        request = compat_urllib_request.Request(url)
+        try:
+            flv_info_webpage = compat_urllib_request.urlopen(request).read()
+        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+            raise ExtractorError(u'Unable to download flv info webpage: %s' % compat_str(err))
+
+        # Start extracting information
+        self.report_information_extraction(video_id)
+        video_info = xml.etree.ElementTree.fromstring(video_info_webpage)
+
+        # url
+        video_real_url = compat_urlparse.parse_qs(flv_info_webpage.decode('utf-8'))['url'][0]
+
+        # title
+        video_title = video_info.find('.//title').text
+
+        # ext
+        video_extension = video_info.find('.//movie_type').text
+
+        # format
+        video_format = video_extension.upper()
+
+        # thumbnail
+        video_thumbnail = video_info.find('.//thumbnail_url').text
+
+        # description
+        video_description = video_info.find('.//description').text
+
+        # uploader_id
+        video_uploader_id = video_info.find('.//user_id').text
+
+        # uploader
+        url = 'http://seiga.nicovideo.jp/api/user/info?id=' + video_uploader_id
+        request = compat_urllib_request.Request(url)
+        try:
+            user_info_webpage = compat_urllib_request.urlopen(request).read()
+        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+            self._downloader.report_warning(u'Unable to download user info webpage: %s' % compat_str(err))
+
+        user_info = xml.etree.ElementTree.fromstring(user_info_webpage)
+        video_uploader = user_info.find('.//nickname').text
+
+        # uploder_date
+        video_upload_date = unified_strdate(video_info.find('.//first_retrieve').text.split('+')[0])
+
+        # view_count
+        video_view_count = video_info.find('.//view_counter').text
+
+        # webpage_url
+        video_webpage_url = video_info.find('.//watch_url').text
+
+        return {
+            'id':          video_id,
+            'url':         video_real_url,
+            'title':       video_title,
+            'ext':         video_extension,
+            'format':      video_format,
+            'thumbnail':   video_thumbnail,
+            'description': video_description,
+            'uploader':    video_uploader,
+            'upload_date': video_upload_date,
+            'uploader_id': video_uploader_id,
+            'view_count':  video_view_count,
+            'webpage_url': video_webpage_url,
+        }
+
+    def _extract_id(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        if mobj is None:
+            raise ExtractorError(u'Invalid URL: %s' % url)
+        video_id = mobj.group(1)
+        return video_id
+
+    def report_video_webpage_download(self, video_id):
+        """Report attempt to download video webpage."""
+        self.to_screen(u'%s: Downloading video webpage' % video_id)
+
+    def report_video_info_webpage_download(self, video_id):
+        """Report attempt to download video info webpage."""
+        self.to_screen(u'%s: Downloading video info webpage' % video_id)
+
+    def report_flv_info_webpage_download(self, video_id):
+        """Report attempt to download flv info webpage."""
+        self.to_screen(u'%s: Downloading flv info webpage' % video_id)
+
+    def report_information_extraction(self, video_id):
+        """Report attempt to extract video information."""
+        self.to_screen(u'%s: Extracting video information' % video_id)