mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-21 20:46:36 -05:00
Fix generic class move (add all files)
This commit is contained in:
Philipp Hagemeister
parent
dd9829292e
commit
d6983cb460
3 changed files with 267 additions and 247 deletions
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@ -23,253 +23,7 @@
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from .utils import *
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class InfoExtractor(object):
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"""Information Extractor class.
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Information extractors are the classes that, given a URL, extract
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information about the video (or videos) the URL refers to. This
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information includes the real video URL, the video title, author and
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others. The information is stored in a dictionary which is then
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passed to the FileDownloader. The FileDownloader processes this
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information possibly downloading the video to the file system, among
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other possible outcomes.
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The dictionaries must include the following fields:
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id: Video identifier.
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url: Final video URL.
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title: Video title, unescaped.
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ext: Video filename extension.
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The following fields are optional:
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format: The video format, defaults to ext (used for --get-format)
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thumbnail: Full URL to a video thumbnail image.
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description: One-line video description.
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uploader: Full name of the video uploader.
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upload_date: Video upload date (YYYYMMDD).
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uploader_id: Nickname or id of the video uploader.
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location: Physical location of the video.
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player_url: SWF Player URL (used for rtmpdump).
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subtitles: The subtitle file contents.
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urlhandle: [internal] The urlHandle to be used to download the file,
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like returned by urllib.request.urlopen
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The fields should all be Unicode strings.
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Subclasses of this one should re-define the _real_initialize() and
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_real_extract() methods and define a _VALID_URL regexp.
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Probably, they should also be added to the list of extractors.
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_real_extract() must return a *list* of information dictionaries as
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described above.
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Finally, the _WORKING attribute should be set to False for broken IEs
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in order to warn the users and skip the tests.
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"""
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_ready = False
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_downloader = None
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_WORKING = True
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def __init__(self, downloader=None):
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"""Constructor. Receives an optional downloader."""
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self._ready = False
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self.set_downloader(downloader)
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@classmethod
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def suitable(cls, url):
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"""Receives a URL and returns True if suitable for this IE."""
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return re.match(cls._VALID_URL, url) is not None
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@classmethod
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def working(cls):
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"""Getter method for _WORKING."""
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return cls._WORKING
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def initialize(self):
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"""Initializes an instance (authentication, etc)."""
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if not self._ready:
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self._real_initialize()
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self._ready = True
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def extract(self, url):
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"""Extracts URL information and returns it in list of dicts."""
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self.initialize()
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return self._real_extract(url)
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def set_downloader(self, downloader):
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"""Sets the downloader for this IE."""
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self._downloader = downloader
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def _real_initialize(self):
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"""Real initialization process. Redefine in subclasses."""
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pass
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def _real_extract(self, url):
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"""Real extraction process. Redefine in subclasses."""
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pass
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@property
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def IE_NAME(self):
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return type(self).__name__[:-2]
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def _request_webpage(self, url_or_request, video_id, note=None, errnote=None):
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""" Returns the response handle """
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if note is None:
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self.report_download_webpage(video_id)
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elif note is not False:
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self.to_screen(u'%s: %s' % (video_id, note))
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try:
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return compat_urllib_request.urlopen(url_or_request)
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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if errnote is None:
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errnote = u'Unable to download webpage'
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raise ExtractorError(u'%s: %s' % (errnote, compat_str(err)), sys.exc_info()[2])
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def _download_webpage_handle(self, url_or_request, video_id, note=None, errnote=None):
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""" Returns a tuple (page content as string, URL handle) """
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urlh = self._request_webpage(url_or_request, video_id, note, errnote)
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content_type = urlh.headers.get('Content-Type', '')
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m = re.match(r'[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+\s*;\s*charset=(.+)', content_type)
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if m:
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encoding = m.group(1)
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else:
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encoding = 'utf-8'
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webpage_bytes = urlh.read()
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if self._downloader.params.get('dump_intermediate_pages', False):
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try:
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url = url_or_request.get_full_url()
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except AttributeError:
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url = url_or_request
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self.to_screen(u'Dumping request to ' + url)
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dump = base64.b64encode(webpage_bytes).decode('ascii')
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self._downloader.to_screen(dump)
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content = webpage_bytes.decode(encoding, 'replace')
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return (content, urlh)
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def _download_webpage(self, url_or_request, video_id, note=None, errnote=None):
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""" Returns the data of the page as a string """
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return self._download_webpage_handle(url_or_request, video_id, note, errnote)[0]
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def to_screen(self, msg):
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"""Print msg to screen, prefixing it with '[ie_name]'"""
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self._downloader.to_screen(u'[%s] %s' % (self.IE_NAME, msg))
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def report_extraction(self, id_or_name):
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"""Report information extraction."""
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self.to_screen(u'%s: Extracting information' % id_or_name)
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def report_download_webpage(self, video_id):
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"""Report webpage download."""
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self.to_screen(u'%s: Downloading webpage' % video_id)
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def report_age_confirmation(self):
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"""Report attempt to confirm age."""
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self.to_screen(u'Confirming age')
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#Methods for following #608
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#They set the correct value of the '_type' key
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def video_result(self, video_info):
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"""Returns a video"""
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video_info['_type'] = 'video'
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return video_info
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def url_result(self, url, ie=None):
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"""Returns a url that points to a page that should be processed"""
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#TODO: ie should be the class used for getting the info
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video_info = {'_type': 'url',
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'url': url,
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'ie_key': ie}
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return video_info
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def playlist_result(self, entries, playlist_id=None, playlist_title=None):
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"""Returns a playlist"""
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video_info = {'_type': 'playlist',
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'entries': entries}
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if playlist_id:
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video_info['id'] = playlist_id
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if playlist_title:
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video_info['title'] = playlist_title
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return video_info
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def _search_regex(self, pattern, string, name, default=None, fatal=True, flags=0):
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"""
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Perform a regex search on the given string, using a single or a list of
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patterns returning the first matching group.
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In case of failure return a default value or raise a WARNING or a
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ExtractorError, depending on fatal, specifying the field name.
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"""
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if isinstance(pattern, (str, compat_str, compiled_regex_type)):
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mobj = re.search(pattern, string, flags)
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else:
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for p in pattern:
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mobj = re.search(p, string, flags)
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if mobj: break
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if sys.stderr.isatty() and os.name != 'nt':
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_name = u'\033[0;34m%s\033[0m' % name
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else:
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_name = name
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if mobj:
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# return the first matching group
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return next(g for g in mobj.groups() if g is not None)
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elif default is not None:
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return default
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elif fatal:
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raise ExtractorError(u'Unable to extract %s' % _name)
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else:
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self._downloader.report_warning(u'unable to extract %s; '
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u'please report this issue on GitHub.' % _name)
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return None
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def _html_search_regex(self, pattern, string, name, default=None, fatal=True, flags=0):
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"""
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Like _search_regex, but strips HTML tags and unescapes entities.
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"""
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res = self._search_regex(pattern, string, name, default, fatal, flags)
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if res:
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return clean_html(res).strip()
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else:
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return res
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class SearchInfoExtractor(InfoExtractor):
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"""
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Base class for paged search queries extractors.
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They accept urls in the format _SEARCH_KEY(|all|[0-9]):{query}
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Instances should define _SEARCH_KEY and _MAX_RESULTS.
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"""
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@classmethod
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def _make_valid_url(cls):
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return r'%s(?P<prefix>|[1-9][0-9]*|all):(?P<query>[\s\S]+)' % cls._SEARCH_KEY
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@classmethod
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def suitable(cls, url):
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return re.match(cls._make_valid_url(), url) is not None
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def _real_extract(self, query):
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mobj = re.match(self._make_valid_url(), query)
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if mobj is None:
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raise ExtractorError(u'Invalid search query "%s"' % query)
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prefix = mobj.group('prefix')
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query = mobj.group('query')
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if prefix == '':
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return self._get_n_results(query, 1)
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elif prefix == 'all':
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return self._get_n_results(query, self._MAX_RESULTS)
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else:
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n = int(prefix)
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if n <= 0:
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raise ExtractorError(u'invalid download number %s for query "%s"' % (n, query))
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elif n > self._MAX_RESULTS:
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self._downloader.report_warning(u'%s returns max %i results (you requested %i)' % (self._SEARCH_KEY, self._MAX_RESULTS, n))
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n = self._MAX_RESULTS
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return self._get_n_results(query, n)
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def _get_n_results(self, query, n):
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"""Get a specified number of results for a query"""
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raise NotImplementedError("This method must be implemented by sublclasses")
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from .extractor.common import InfoExtractor, SearchInfoExtractor
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class YoutubeIE(InfoExtractor):
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0
youtube_dl/extractor/__init__.py
Normal file
0
youtube_dl/extractor/__init__.py
Normal file
266
youtube_dl/extractor/common.py
Normal file
266
youtube_dl/extractor/common.py
Normal file
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@ -0,0 +1,266 @@
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from __future__ import absolute_import
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import base64
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import os
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import re
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import socket
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import sys
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from ..utils import (
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compat_http_client,
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compat_urllib_error,
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compat_urllib_request,
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compat_str,
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clean_html,
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compiled_regex_type,
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ExtractorError,
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)
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class InfoExtractor(object):
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"""Information Extractor class.
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Information extractors are the classes that, given a URL, extract
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information about the video (or videos) the URL refers to. This
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information includes the real video URL, the video title, author and
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others. The information is stored in a dictionary which is then
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passed to the FileDownloader. The FileDownloader processes this
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information possibly downloading the video to the file system, among
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other possible outcomes.
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The dictionaries must include the following fields:
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id: Video identifier.
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url: Final video URL.
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title: Video title, unescaped.
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ext: Video filename extension.
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The following fields are optional:
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format: The video format, defaults to ext (used for --get-format)
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thumbnail: Full URL to a video thumbnail image.
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description: One-line video description.
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uploader: Full name of the video uploader.
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upload_date: Video upload date (YYYYMMDD).
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uploader_id: Nickname or id of the video uploader.
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location: Physical location of the video.
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player_url: SWF Player URL (used for rtmpdump).
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subtitles: The subtitle file contents.
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urlhandle: [internal] The urlHandle to be used to download the file,
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like returned by urllib.request.urlopen
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|
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The fields should all be Unicode strings.
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|
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Subclasses of this one should re-define the _real_initialize() and
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_real_extract() methods and define a _VALID_URL regexp.
|
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Probably, they should also be added to the list of extractors.
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_real_extract() must return a *list* of information dictionaries as
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described above.
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Finally, the _WORKING attribute should be set to False for broken IEs
|
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in order to warn the users and skip the tests.
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"""
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_ready = False
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_downloader = None
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_WORKING = True
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def __init__(self, downloader=None):
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"""Constructor. Receives an optional downloader."""
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self._ready = False
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self.set_downloader(downloader)
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@classmethod
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def suitable(cls, url):
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"""Receives a URL and returns True if suitable for this IE."""
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return re.match(cls._VALID_URL, url) is not None
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@classmethod
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def working(cls):
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"""Getter method for _WORKING."""
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return cls._WORKING
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def initialize(self):
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"""Initializes an instance (authentication, etc)."""
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if not self._ready:
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self._real_initialize()
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self._ready = True
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def extract(self, url):
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"""Extracts URL information and returns it in list of dicts."""
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self.initialize()
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return self._real_extract(url)
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def set_downloader(self, downloader):
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"""Sets the downloader for this IE."""
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self._downloader = downloader
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def _real_initialize(self):
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"""Real initialization process. Redefine in subclasses."""
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pass
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def _real_extract(self, url):
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"""Real extraction process. Redefine in subclasses."""
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pass
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@property
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def IE_NAME(self):
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return type(self).__name__[:-2]
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def _request_webpage(self, url_or_request, video_id, note=None, errnote=None):
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""" Returns the response handle """
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if note is None:
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self.report_download_webpage(video_id)
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elif note is not False:
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self.to_screen(u'%s: %s' % (video_id, note))
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try:
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return compat_urllib_request.urlopen(url_or_request)
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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if errnote is None:
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errnote = u'Unable to download webpage'
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raise ExtractorError(u'%s: %s' % (errnote, compat_str(err)), sys.exc_info()[2])
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def _download_webpage_handle(self, url_or_request, video_id, note=None, errnote=None):
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""" Returns a tuple (page content as string, URL handle) """
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urlh = self._request_webpage(url_or_request, video_id, note, errnote)
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content_type = urlh.headers.get('Content-Type', '')
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m = re.match(r'[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+\s*;\s*charset=(.+)', content_type)
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if m:
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encoding = m.group(1)
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else:
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encoding = 'utf-8'
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webpage_bytes = urlh.read()
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if self._downloader.params.get('dump_intermediate_pages', False):
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try:
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url = url_or_request.get_full_url()
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except AttributeError:
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url = url_or_request
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self.to_screen(u'Dumping request to ' + url)
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dump = base64.b64encode(webpage_bytes).decode('ascii')
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self._downloader.to_screen(dump)
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content = webpage_bytes.decode(encoding, 'replace')
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return (content, urlh)
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def _download_webpage(self, url_or_request, video_id, note=None, errnote=None):
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""" Returns the data of the page as a string """
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return self._download_webpage_handle(url_or_request, video_id, note, errnote)[0]
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def to_screen(self, msg):
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"""Print msg to screen, prefixing it with '[ie_name]'"""
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self._downloader.to_screen(u'[%s] %s' % (self.IE_NAME, msg))
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def report_extraction(self, id_or_name):
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"""Report information extraction."""
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self.to_screen(u'%s: Extracting information' % id_or_name)
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def report_download_webpage(self, video_id):
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"""Report webpage download."""
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self.to_screen(u'%s: Downloading webpage' % video_id)
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def report_age_confirmation(self):
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"""Report attempt to confirm age."""
|
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self.to_screen(u'Confirming age')
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|
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#Methods for following #608
|
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#They set the correct value of the '_type' key
|
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def video_result(self, video_info):
|
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"""Returns a video"""
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video_info['_type'] = 'video'
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return video_info
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def url_result(self, url, ie=None):
|
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"""Returns a url that points to a page that should be processed"""
|
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#TODO: ie should be the class used for getting the info
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video_info = {'_type': 'url',
|
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'url': url,
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'ie_key': ie}
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return video_info
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def playlist_result(self, entries, playlist_id=None, playlist_title=None):
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"""Returns a playlist"""
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video_info = {'_type': 'playlist',
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'entries': entries}
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if playlist_id:
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video_info['id'] = playlist_id
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if playlist_title:
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video_info['title'] = playlist_title
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return video_info
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def _search_regex(self, pattern, string, name, default=None, fatal=True, flags=0):
|
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"""
|
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Perform a regex search on the given string, using a single or a list of
|
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patterns returning the first matching group.
|
||||
In case of failure return a default value or raise a WARNING or a
|
||||
ExtractorError, depending on fatal, specifying the field name.
|
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"""
|
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if isinstance(pattern, (str, compat_str, compiled_regex_type)):
|
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mobj = re.search(pattern, string, flags)
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else:
|
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for p in pattern:
|
||||
mobj = re.search(p, string, flags)
|
||||
if mobj: break
|
||||
|
||||
if sys.stderr.isatty() and os.name != 'nt':
|
||||
_name = u'\033[0;34m%s\033[0m' % name
|
||||
else:
|
||||
_name = name
|
||||
|
||||
if mobj:
|
||||
# return the first matching group
|
||||
return next(g for g in mobj.groups() if g is not None)
|
||||
elif default is not None:
|
||||
return default
|
||||
elif fatal:
|
||||
raise ExtractorError(u'Unable to extract %s' % _name)
|
||||
else:
|
||||
self._downloader.report_warning(u'unable to extract %s; '
|
||||
u'please report this issue on GitHub.' % _name)
|
||||
return None
|
||||
|
||||
def _html_search_regex(self, pattern, string, name, default=None, fatal=True, flags=0):
|
||||
"""
|
||||
Like _search_regex, but strips HTML tags and unescapes entities.
|
||||
"""
|
||||
res = self._search_regex(pattern, string, name, default, fatal, flags)
|
||||
if res:
|
||||
return clean_html(res).strip()
|
||||
else:
|
||||
return res
|
||||
|
||||
class SearchInfoExtractor(InfoExtractor):
|
||||
"""
|
||||
Base class for paged search queries extractors.
|
||||
They accept urls in the format _SEARCH_KEY(|all|[0-9]):{query}
|
||||
Instances should define _SEARCH_KEY and _MAX_RESULTS.
|
||||
"""
|
||||
|
||||
@classmethod
|
||||
def _make_valid_url(cls):
|
||||
return r'%s(?P<prefix>|[1-9][0-9]*|all):(?P<query>[\s\S]+)' % cls._SEARCH_KEY
|
||||
|
||||
@classmethod
|
||||
def suitable(cls, url):
|
||||
return re.match(cls._make_valid_url(), url) is not None
|
||||
|
||||
def _real_extract(self, query):
|
||||
mobj = re.match(self._make_valid_url(), query)
|
||||
if mobj is None:
|
||||
raise ExtractorError(u'Invalid search query "%s"' % query)
|
||||
|
||||
prefix = mobj.group('prefix')
|
||||
query = mobj.group('query')
|
||||
if prefix == '':
|
||||
return self._get_n_results(query, 1)
|
||||
elif prefix == 'all':
|
||||
return self._get_n_results(query, self._MAX_RESULTS)
|
||||
else:
|
||||
n = int(prefix)
|
||||
if n <= 0:
|
||||
raise ExtractorError(u'invalid download number %s for query "%s"' % (n, query))
|
||||
elif n > self._MAX_RESULTS:
|
||||
self._downloader.report_warning(u'%s returns max %i results (you requested %i)' % (self._SEARCH_KEY, self._MAX_RESULTS, n))
|
||||
n = self._MAX_RESULTS
|
||||
return self._get_n_results(query, n)
|
||||
|
||||
def _get_n_results(self, query, n):
|
||||
"""Get a specified number of results for a query"""
|
||||
raise NotImplementedError("This method must be implemented by sublclasses")
|
||||
Loading…
Reference in a new issue