diff options
| author | Philipp Hagemeister <phihag@phihag.de> | 2013-06-23 22:07:27 +0200 | 
|---|---|---|
| committer | Philipp Hagemeister <phihag@phihag.de> | 2013-06-23 22:07:27 +0200 | 
| commit | 79e93125d0df50704ac32da5977c7d85e26b6976 (patch) | |
| tree | 0d07223f90c1a2056b0e763fee5c8fdd7c256d6b | |
| parent | 48db0b1f4a1503691847ca3faa768107993bf929 (diff) | |
[justin.tv] move into own file
| -rwxr-xr-x | youtube_dl/InfoExtractors.py | 133 | ||||
| -rw-r--r-- | youtube_dl/extractor/justintv.py | 144 | 
2 files changed, 145 insertions, 132 deletions
diff --git a/youtube_dl/InfoExtractors.py b/youtube_dl/InfoExtractors.py index a168e9952..951fe64c0 100755 --- a/youtube_dl/InfoExtractors.py +++ b/youtube_dl/InfoExtractors.py @@ -33,6 +33,7 @@ from .extractor.generic import GenericIE  from .extractor.googleplus import GooglePlusIE  from .extractor.googlesearch import GoogleSearchIE  from .extractor.infoq import InfoQIE +from .extractor.justintv import JustinTVIE  from .extractor.metacafe import MetacafeIE  from .extractor.mixcloud import MixcloudIE  from .extractor.mtv import MTVIE @@ -65,138 +66,6 @@ from .extractor.zdf import ZDFIE -class JustinTVIE(InfoExtractor): -    """Information extractor for justin.tv and twitch.tv""" -    # TODO: One broadcast may be split into multiple videos. The key -    # 'broadcast_id' is the same for all parts, and 'broadcast_part' -    # starts at 1 and increases. Can we treat all parts as one video? - -    _VALID_URL = r"""(?x)^(?:http://)?(?:www\.)?(?:twitch|justin)\.tv/ -        (?: -            (?P<channelid>[^/]+)| -            (?:(?:[^/]+)/b/(?P<videoid>[^/]+))| -            (?:(?:[^/]+)/c/(?P<chapterid>[^/]+)) -        ) -        /?(?:\#.*)?$ -        """ -    _JUSTIN_PAGE_LIMIT = 100 -    IE_NAME = u'justin.tv' - -    def report_download_page(self, channel, offset): -        """Report attempt to download a single page of videos.""" -        self.to_screen(u'%s: Downloading video information from %d to %d' % -                (channel, offset, offset + self._JUSTIN_PAGE_LIMIT)) - -    # Return count of items, list of *valid* items -    def _parse_page(self, url, video_id): -        webpage = self._download_webpage(url, video_id, -                                         u'Downloading video info JSON', -                                         u'unable to download video info JSON') - -        response = json.loads(webpage) -        if type(response) != list: -            error_text = response.get('error', 'unknown error') -            raise ExtractorError(u'Justin.tv API: %s' % error_text) -        info = [] -        for clip in response: -            video_url = clip['video_file_url'] -            if video_url: -                video_extension = os.path.splitext(video_url)[1][1:] -                video_date = re.sub('-', '', clip['start_time'][:10]) -                video_uploader_id = clip.get('user_id', clip.get('channel_id')) -                video_id = clip['id'] -                video_title = clip.get('title', video_id) -                info.append({ -                    'id': video_id, -                    'url': video_url, -                    'title': video_title, -                    'uploader': clip.get('channel_name', video_uploader_id), -                    'uploader_id': video_uploader_id, -                    'upload_date': video_date, -                    'ext': video_extension, -                }) -        return (len(response), info) - -    def _real_extract(self, url): -        mobj = re.match(self._VALID_URL, url) -        if mobj is None: -            raise ExtractorError(u'invalid URL: %s' % url) - -        api_base = 'http://api.justin.tv' -        paged = False -        if mobj.group('channelid'): -            paged = True -            video_id = mobj.group('channelid') -            api = api_base + '/channel/archives/%s.json' % video_id -        elif mobj.group('chapterid'): -            chapter_id = mobj.group('chapterid') - -            webpage = self._download_webpage(url, chapter_id) -            m = re.search(r'PP\.archive_id = "([0-9]+)";', webpage) -            if not m: -                raise ExtractorError(u'Cannot find archive of a chapter') -            archive_id = m.group(1) - -            api = api_base + '/broadcast/by_chapter/%s.xml' % chapter_id -            chapter_info_xml = self._download_webpage(api, chapter_id, -                                             note=u'Downloading chapter information', -                                             errnote=u'Chapter information download failed') -            doc = xml.etree.ElementTree.fromstring(chapter_info_xml) -            for a in doc.findall('.//archive'): -                if archive_id == a.find('./id').text: -                    break -            else: -                raise ExtractorError(u'Could not find chapter in chapter information') - -            video_url = a.find('./video_file_url').text -            video_ext = video_url.rpartition('.')[2] or u'flv' - -            chapter_api_url = u'https://api.twitch.tv/kraken/videos/c' + chapter_id -            chapter_info_json = self._download_webpage(chapter_api_url, u'c' + chapter_id, -                                   note='Downloading chapter metadata', -                                   errnote='Download of chapter metadata failed') -            chapter_info = json.loads(chapter_info_json) - -            bracket_start = int(doc.find('.//bracket_start').text) -            bracket_end = int(doc.find('.//bracket_end').text) - -            # TODO determine start (and probably fix up file) -            #  youtube-dl -v http://www.twitch.tv/firmbelief/c/1757457 -            #video_url += u'?start=' + TODO:start_timestamp -            # bracket_start is 13290, but we want 51670615 -            self._downloader.report_warning(u'Chapter detected, but we can just download the whole file. ' -                                            u'Chapter starts at %s and ends at %s' % (formatSeconds(bracket_start), formatSeconds(bracket_end))) - -            info = { -                'id': u'c' + chapter_id, -                'url': video_url, -                'ext': video_ext, -                'title': chapter_info['title'], -                'thumbnail': chapter_info['preview'], -                'description': chapter_info['description'], -                'uploader': chapter_info['channel']['display_name'], -                'uploader_id': chapter_info['channel']['name'], -            } -            return [info] -        else: -            video_id = mobj.group('videoid') -            api = api_base + '/broadcast/by_archive/%s.json' % video_id - -        self.report_extraction(video_id) - -        info = [] -        offset = 0 -        limit = self._JUSTIN_PAGE_LIMIT -        while True: -            if paged: -                self.report_download_page(video_id, offset) -            page_url = api + ('?offset=%d&limit=%d' % (offset, limit)) -            page_count, page_info = self._parse_page(page_url, video_id) -            info.extend(page_info) -            if not paged or page_count != limit: -                break -            offset += limit -        return info diff --git a/youtube_dl/extractor/justintv.py b/youtube_dl/extractor/justintv.py new file mode 100644 index 000000000..9c46baed5 --- /dev/null +++ b/youtube_dl/extractor/justintv.py @@ -0,0 +1,144 @@ +import json +import os +import re +import xml.etree.ElementTree + +from .common import InfoExtractor +from ..utils import ( +    ExtractorError, +    formatSeconds, +) + + +class JustinTVIE(InfoExtractor): +    """Information extractor for justin.tv and twitch.tv""" +    # TODO: One broadcast may be split into multiple videos. The key +    # 'broadcast_id' is the same for all parts, and 'broadcast_part' +    # starts at 1 and increases. Can we treat all parts as one video? + +    _VALID_URL = r"""(?x)^(?:http://)?(?:www\.)?(?:twitch|justin)\.tv/ +        (?: +            (?P<channelid>[^/]+)| +            (?:(?:[^/]+)/b/(?P<videoid>[^/]+))| +            (?:(?:[^/]+)/c/(?P<chapterid>[^/]+)) +        ) +        /?(?:\#.*)?$ +        """ +    _JUSTIN_PAGE_LIMIT = 100 +    IE_NAME = u'justin.tv' + +    def report_download_page(self, channel, offset): +        """Report attempt to download a single page of videos.""" +        self.to_screen(u'%s: Downloading video information from %d to %d' % +                (channel, offset, offset + self._JUSTIN_PAGE_LIMIT)) + +    # Return count of items, list of *valid* items +    def _parse_page(self, url, video_id): +        webpage = self._download_webpage(url, video_id, +                                         u'Downloading video info JSON', +                                         u'unable to download video info JSON') + +        response = json.loads(webpage) +        if type(response) != list: +            error_text = response.get('error', 'unknown error') +            raise ExtractorError(u'Justin.tv API: %s' % error_text) +        info = [] +        for clip in response: +            video_url = clip['video_file_url'] +            if video_url: +                video_extension = os.path.splitext(video_url)[1][1:] +                video_date = re.sub('-', '', clip['start_time'][:10]) +                video_uploader_id = clip.get('user_id', clip.get('channel_id')) +                video_id = clip['id'] +                video_title = clip.get('title', video_id) +                info.append({ +                    'id': video_id, +                    'url': video_url, +                    'title': video_title, +                    'uploader': clip.get('channel_name', video_uploader_id), +                    'uploader_id': video_uploader_id, +                    'upload_date': video_date, +                    'ext': video_extension, +                }) +        return (len(response), info) + +    def _real_extract(self, url): +        mobj = re.match(self._VALID_URL, url) +        if mobj is None: +            raise ExtractorError(u'invalid URL: %s' % url) + +        api_base = 'http://api.justin.tv' +        paged = False +        if mobj.group('channelid'): +            paged = True +            video_id = mobj.group('channelid') +            api = api_base + '/channel/archives/%s.json' % video_id +        elif mobj.group('chapterid'): +            chapter_id = mobj.group('chapterid') + +            webpage = self._download_webpage(url, chapter_id) +            m = re.search(r'PP\.archive_id = "([0-9]+)";', webpage) +            if not m: +                raise ExtractorError(u'Cannot find archive of a chapter') +            archive_id = m.group(1) + +            api = api_base + '/broadcast/by_chapter/%s.xml' % chapter_id +            chapter_info_xml = self._download_webpage(api, chapter_id, +                                             note=u'Downloading chapter information', +                                             errnote=u'Chapter information download failed') +            doc = xml.etree.ElementTree.fromstring(chapter_info_xml) +            for a in doc.findall('.//archive'): +                if archive_id == a.find('./id').text: +                    break +            else: +                raise ExtractorError(u'Could not find chapter in chapter information') + +            video_url = a.find('./video_file_url').text +            video_ext = video_url.rpartition('.')[2] or u'flv' + +            chapter_api_url = u'https://api.twitch.tv/kraken/videos/c' + chapter_id +            chapter_info_json = self._download_webpage(chapter_api_url, u'c' + chapter_id, +                                   note='Downloading chapter metadata', +                                   errnote='Download of chapter metadata failed') +            chapter_info = json.loads(chapter_info_json) + +            bracket_start = int(doc.find('.//bracket_start').text) +            bracket_end = int(doc.find('.//bracket_end').text) + +            # TODO determine start (and probably fix up file) +            #  youtube-dl -v http://www.twitch.tv/firmbelief/c/1757457 +            #video_url += u'?start=' + TODO:start_timestamp +            # bracket_start is 13290, but we want 51670615 +            self._downloader.report_warning(u'Chapter detected, but we can just download the whole file. ' +                                            u'Chapter starts at %s and ends at %s' % (formatSeconds(bracket_start), formatSeconds(bracket_end))) + +            info = { +                'id': u'c' + chapter_id, +                'url': video_url, +                'ext': video_ext, +                'title': chapter_info['title'], +                'thumbnail': chapter_info['preview'], +                'description': chapter_info['description'], +                'uploader': chapter_info['channel']['display_name'], +                'uploader_id': chapter_info['channel']['name'], +            } +            return [info] +        else: +            video_id = mobj.group('videoid') +            api = api_base + '/broadcast/by_archive/%s.json' % video_id + +        self.report_extraction(video_id) + +        info = [] +        offset = 0 +        limit = self._JUSTIN_PAGE_LIMIT +        while True: +            if paged: +                self.report_download_page(video_id, offset) +            page_url = api + ('?offset=%d&limit=%d' % (offset, limit)) +            page_count, page_info = self._parse_page(page_url, video_id) +            info.extend(page_info) +            if not paged or page_count != limit: +                break +            offset += limit +        return info  | 
