1394 lines
58 KiB
Python
1394 lines
58 KiB
Python
from __future__ import unicode_literals
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import base64
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import datetime
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import hashlib
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import json
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import netrc
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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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import time
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from ..compat import (
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compat_cookiejar,
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compat_cookies,
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compat_getpass,
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compat_http_client,
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compat_urllib_error,
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compat_urllib_parse,
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compat_urlparse,
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compat_str,
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compat_etree_fromstring,
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)
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from ..utils import (
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NO_DEFAULT,
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age_restricted,
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bug_reports_message,
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clean_html,
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compiled_regex_type,
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determine_ext,
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error_to_compat_str,
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ExtractorError,
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fix_xml_ampersands,
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float_or_none,
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int_or_none,
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RegexNotFoundError,
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sanitize_filename,
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sanitized_Request,
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unescapeHTML,
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unified_strdate,
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url_basename,
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xpath_text,
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xpath_with_ns,
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determine_protocol,
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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 YoutubeDL. The YoutubeDL 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 type field determines the type of the result.
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By far the most common value (and the default if _type is missing) is
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"video", which indicates a single video.
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For a video, the dictionaries must include the following fields:
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id: Video identifier.
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title: Video title, unescaped.
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Additionally, it must contain either a formats entry or a url one:
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formats: A list of dictionaries for each format available, ordered
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from worst to best quality.
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Potential fields:
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* url Mandatory. The URL of the video file
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* ext Will be calculated from URL if missing
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* format A human-readable description of the format
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("mp4 container with h264/opus").
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Calculated from the format_id, width, height.
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and format_note fields if missing.
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* format_id A short description of the format
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("mp4_h264_opus" or "19").
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Technically optional, but strongly recommended.
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* format_note Additional info about the format
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("3D" or "DASH video")
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* width Width of the video, if known
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* height Height of the video, if known
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* resolution Textual description of width and height
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* tbr Average bitrate of audio and video in KBit/s
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* abr Average audio bitrate in KBit/s
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* acodec Name of the audio codec in use
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* asr Audio sampling rate in Hertz
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* vbr Average video bitrate in KBit/s
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* fps Frame rate
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* vcodec Name of the video codec in use
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* container Name of the container format
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* filesize The number of bytes, if known in advance
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* filesize_approx An estimate for the number of bytes
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* player_url SWF Player URL (used for rtmpdump).
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* protocol The protocol that will be used for the actual
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download, lower-case.
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"http", "https", "rtsp", "rtmp", "rtmpe",
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"m3u8", or "m3u8_native".
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* preference Order number of this format. If this field is
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present and not None, the formats get sorted
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by this field, regardless of all other values.
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-1 for default (order by other properties),
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-2 or smaller for less than default.
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< -1000 to hide the format (if there is
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another one which is strictly better)
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* language_preference Is this in the correct requested
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language?
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10 if it's what the URL is about,
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-1 for default (don't know),
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-10 otherwise, other values reserved for now.
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* quality Order number of the video quality of this
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format, irrespective of the file format.
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-1 for default (order by other properties),
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-2 or smaller for less than default.
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* source_preference Order number for this video source
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(quality takes higher priority)
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-1 for default (order by other properties),
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-2 or smaller for less than default.
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* http_headers A dictionary of additional HTTP headers
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to add to the request.
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* stretched_ratio If given and not 1, indicates that the
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video's pixels are not square.
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width : height ratio as float.
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* no_resume The server does not support resuming the
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(HTTP or RTMP) download. Boolean.
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url: Final video URL.
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ext: Video filename extension.
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format: The video format, defaults to ext (used for --get-format)
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player_url: SWF Player URL (used for rtmpdump).
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The following fields are optional:
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alt_title: A secondary title of the video.
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display_id An alternative identifier for the video, not necessarily
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unique, but available before title. Typically, id is
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something like "4234987", title "Dancing naked mole rats",
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and display_id "dancing-naked-mole-rats"
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thumbnails: A list of dictionaries, with the following entries:
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* "id" (optional, string) - Thumbnail format ID
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* "url"
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* "preference" (optional, int) - quality of the image
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* "width" (optional, int)
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* "height" (optional, int)
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* "resolution" (optional, string "{width}x{height"},
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deprecated)
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thumbnail: Full URL to a video thumbnail image.
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description: Full video description.
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uploader: Full name of the video uploader.
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creator: The main artist who created the video.
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release_date: The date (YYYYMMDD) when the video was released.
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timestamp: UNIX timestamp of the moment the video became available.
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upload_date: Video upload date (YYYYMMDD).
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If not explicitly set, calculated from timestamp.
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uploader_id: Nickname or id of the video uploader.
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location: Physical location where the video was filmed.
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subtitles: The available subtitles as a dictionary in the format
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{language: subformats}. "subformats" is a list sorted from
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lower to higher preference, each element is a dictionary
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with the "ext" entry and one of:
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* "data": The subtitles file contents
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* "url": A URL pointing to the subtitles file
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"ext" will be calculated from URL if missing
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automatic_captions: Like 'subtitles', used by the YoutubeIE for
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automatically generated captions
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duration: Length of the video in seconds, as an integer or float.
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view_count: How many users have watched the video on the platform.
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like_count: Number of positive ratings of the video
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dislike_count: Number of negative ratings of the video
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repost_count: Number of reposts of the video
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average_rating: Average rating give by users, the scale used depends on the webpage
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comment_count: Number of comments on the video
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comments: A list of comments, each with one or more of the following
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properties (all but one of text or html optional):
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* "author" - human-readable name of the comment author
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* "author_id" - user ID of the comment author
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* "id" - Comment ID
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* "html" - Comment as HTML
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* "text" - Plain text of the comment
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* "timestamp" - UNIX timestamp of comment
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* "parent" - ID of the comment this one is replying to.
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Set to "root" to indicate that this is a
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comment to the original video.
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age_limit: Age restriction for the video, as an integer (years)
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webpage_url: The URL to the video webpage, if given to youtube-dl it
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should allow to get the same result again. (It will be set
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by YoutubeDL if it's missing)
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categories: A list of categories that the video falls in, for example
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["Sports", "Berlin"]
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tags: A list of tags assigned to the video, e.g. ["sweden", "pop music"]
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is_live: True, False, or None (=unknown). Whether this video is a
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live stream that goes on instead of a fixed-length video.
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start_time: Time in seconds where the reproduction should start, as
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specified in the URL.
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end_time: Time in seconds where the reproduction should end, as
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specified in the URL.
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Unless mentioned otherwise, the fields should be Unicode strings.
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Unless mentioned otherwise, None is equivalent to absence of information.
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_type "playlist" indicates multiple videos.
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There must be a key "entries", which is a list, an iterable, or a PagedList
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object, each element of which is a valid dictionary by this specification.
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Additionally, playlists can have "title", "description" and "id" attributes
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with the same semantics as videos (see above).
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_type "multi_video" indicates that there are multiple videos that
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form a single show, for examples multiple acts of an opera or TV episode.
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It must have an entries key like a playlist and contain all the keys
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required for a video at the same time.
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_type "url" indicates that the video must be extracted from another
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location, possibly by a different extractor. Its only required key is:
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"url" - the next URL to extract.
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The key "ie_key" can be set to the class name (minus the trailing "IE",
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e.g. "Youtube") if the extractor class is known in advance.
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Additionally, the dictionary may have any properties of the resolved entity
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known in advance, for example "title" if the title of the referred video is
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known ahead of time.
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_type "url_transparent" entities have the same specification as "url", but
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indicate that the given additional information is more precise than the one
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associated with the resolved URL.
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This is useful when a site employs a video service that hosts the video and
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its technical metadata, but that video service does not embed a useful
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title, description etc.
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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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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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# This does not use has/getattr intentionally - we want to know whether
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# we have cached the regexp for *this* class, whereas getattr would also
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# match the superclass
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if '_VALID_URL_RE' not in cls.__dict__:
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cls._VALID_URL_RE = re.compile(cls._VALID_URL)
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return cls._VALID_URL_RE.match(url) is not None
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@classmethod
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def _match_id(cls, url):
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if '_VALID_URL_RE' not in cls.__dict__:
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cls._VALID_URL_RE = re.compile(cls._VALID_URL)
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m = cls._VALID_URL_RE.match(url)
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assert m
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return m.group('id')
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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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try:
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self.initialize()
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return self._real_extract(url)
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except ExtractorError:
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raise
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except compat_http_client.IncompleteRead as e:
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raise ExtractorError('A network error has occured.', cause=e, expected=True)
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except (KeyError, StopIteration) as e:
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raise ExtractorError('An extractor error has occured.', cause=e)
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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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@classmethod
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def ie_key(cls):
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"""A string for getting the InfoExtractor with get_info_extractor"""
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return compat_str(cls.__name__[:-2])
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@property
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def IE_NAME(self):
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return compat_str(type(self).__name__[:-2])
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def _request_webpage(self, url_or_request, video_id, note=None, errnote=None, fatal=True):
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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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if video_id is None:
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self.to_screen('%s' % (note,))
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else:
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self.to_screen('%s: %s' % (video_id, note))
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try:
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return self._downloader.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 False:
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return False
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if errnote is None:
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errnote = 'Unable to download webpage'
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errmsg = '%s: %s' % (errnote, error_to_compat_str(err))
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if fatal:
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raise ExtractorError(errmsg, sys.exc_info()[2], cause=err)
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else:
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self._downloader.report_warning(errmsg)
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return False
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def _download_webpage_handle(self, url_or_request, video_id, note=None, errnote=None, fatal=True, encoding=None):
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""" Returns a tuple (page content as string, URL handle) """
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# Strip hashes from the URL (#1038)
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if isinstance(url_or_request, (compat_str, str)):
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url_or_request = url_or_request.partition('#')[0]
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urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal)
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if urlh is False:
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assert not fatal
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return False
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content = self._webpage_read_content(urlh, url_or_request, video_id, note, errnote, fatal, encoding=encoding)
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return (content, urlh)
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@staticmethod
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def _guess_encoding_from_content(content_type, webpage_bytes):
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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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m = re.search(br'<meta[^>]+charset=[\'"]?([^\'")]+)[ /\'">]',
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webpage_bytes[:1024])
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if m:
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encoding = m.group(1).decode('ascii')
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elif webpage_bytes.startswith(b'\xff\xfe'):
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encoding = 'utf-16'
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else:
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encoding = 'utf-8'
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return encoding
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def _webpage_read_content(self, urlh, url_or_request, video_id, note=None, errnote=None, fatal=True, prefix=None, encoding=None):
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content_type = urlh.headers.get('Content-Type', '')
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webpage_bytes = urlh.read()
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if prefix is not None:
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webpage_bytes = prefix + webpage_bytes
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if not encoding:
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encoding = self._guess_encoding_from_content(content_type, webpage_bytes)
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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('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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if self._downloader.params.get('write_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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basen = '%s_%s' % (video_id, url)
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if len(basen) > 240:
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h = '___' + hashlib.md5(basen.encode('utf-8')).hexdigest()
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basen = basen[:240 - len(h)] + h
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raw_filename = basen + '.dump'
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filename = sanitize_filename(raw_filename, restricted=True)
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self.to_screen('Saving request to ' + filename)
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# Working around MAX_PATH limitation on Windows (see
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# http://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx)
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if os.name == 'nt':
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absfilepath = os.path.abspath(filename)
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if len(absfilepath) > 259:
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filename = '\\\\?\\' + absfilepath
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with open(filename, 'wb') as outf:
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outf.write(webpage_bytes)
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try:
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content = webpage_bytes.decode(encoding, 'replace')
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except LookupError:
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content = webpage_bytes.decode('utf-8', 'replace')
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if ('<title>Access to this site is blocked</title>' in content and
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'Websense' in content[:512]):
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msg = 'Access to this webpage has been blocked by Websense filtering software in your network.'
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blocked_iframe = self._html_search_regex(
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r'<iframe src="([^"]+)"', content,
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'Websense information URL', default=None)
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if blocked_iframe:
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msg += ' Visit %s for more details' % blocked_iframe
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raise ExtractorError(msg, expected=True)
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if '<title>The URL you requested has been blocked</title>' in content[:512]:
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msg = (
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'Access to this webpage has been blocked by Indian censorship. '
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'Use a VPN or proxy server (with --proxy) to route around it.')
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block_msg = self._html_search_regex(
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r'</h1><p>(.*?)</p>',
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content, 'block message', default=None)
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if block_msg:
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msg += ' (Message: "%s")' % block_msg.replace('\n', ' ')
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raise ExtractorError(msg, expected=True)
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return content
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def _download_webpage(self, url_or_request, video_id, note=None, errnote=None, fatal=True, tries=1, timeout=5, encoding=None):
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""" Returns the data of the page as a string """
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success = False
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try_count = 0
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while success is False:
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try:
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res = self._download_webpage_handle(url_or_request, video_id, note, errnote, fatal, encoding=encoding)
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success = True
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except compat_http_client.IncompleteRead as e:
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try_count += 1
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if try_count >= tries:
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raise e
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self._sleep(timeout, video_id)
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if res is False:
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return res
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else:
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content, _ = res
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return content
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def _download_xml(self, url_or_request, video_id,
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note='Downloading XML', errnote='Unable to download XML',
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transform_source=None, fatal=True, encoding=None):
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"""Return the xml as an xml.etree.ElementTree.Element"""
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xml_string = self._download_webpage(
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url_or_request, video_id, note, errnote, fatal=fatal, encoding=encoding)
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if xml_string is False:
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return xml_string
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if transform_source:
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xml_string = transform_source(xml_string)
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return compat_etree_fromstring(xml_string.encode('utf-8'))
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def _download_json(self, url_or_request, video_id,
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note='Downloading JSON metadata',
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errnote='Unable to download JSON metadata',
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transform_source=None,
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fatal=True, encoding=None):
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json_string = self._download_webpage(
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url_or_request, video_id, note, errnote, fatal=fatal,
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encoding=encoding)
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if (not fatal) and json_string is False:
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return None
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return self._parse_json(
|
|
json_string, video_id, transform_source=transform_source, fatal=fatal)
|
|
|
|
def _parse_json(self, json_string, video_id, transform_source=None, fatal=True):
|
|
if transform_source:
|
|
json_string = transform_source(json_string)
|
|
try:
|
|
return json.loads(json_string)
|
|
except ValueError as ve:
|
|
errmsg = '%s: Failed to parse JSON ' % video_id
|
|
if fatal:
|
|
raise ExtractorError(errmsg, cause=ve)
|
|
else:
|
|
self.report_warning(errmsg + str(ve))
|
|
|
|
def report_warning(self, msg, video_id=None):
|
|
idstr = '' if video_id is None else '%s: ' % video_id
|
|
self._downloader.report_warning(
|
|
'[%s] %s%s' % (self.IE_NAME, idstr, msg))
|
|
|
|
def to_screen(self, msg):
|
|
"""Print msg to screen, prefixing it with '[ie_name]'"""
|
|
self._downloader.to_screen('[%s] %s' % (self.IE_NAME, msg))
|
|
|
|
def report_extraction(self, id_or_name):
|
|
"""Report information extraction."""
|
|
self.to_screen('%s: Extracting information' % id_or_name)
|
|
|
|
def report_download_webpage(self, video_id):
|
|
"""Report webpage download."""
|
|
self.to_screen('%s: Downloading webpage' % video_id)
|
|
|
|
def report_age_confirmation(self):
|
|
"""Report attempt to confirm age."""
|
|
self.to_screen('Confirming age')
|
|
|
|
def report_login(self):
|
|
"""Report attempt to log in."""
|
|
self.to_screen('Logging in')
|
|
|
|
@staticmethod
|
|
def raise_login_required(msg='This video is only available for registered users'):
|
|
raise ExtractorError(
|
|
'%s. Use --username and --password or --netrc to provide account credentials.' % msg,
|
|
expected=True)
|
|
|
|
@staticmethod
|
|
def raise_geo_restricted(msg='This video is not available from your location due to geo restriction'):
|
|
raise ExtractorError(
|
|
'%s. You might want to use --proxy to workaround.' % msg,
|
|
expected=True)
|
|
|
|
# Methods for following #608
|
|
@staticmethod
|
|
def url_result(url, ie=None, video_id=None, video_title=None):
|
|
"""Returns a URL that points to a page that should be processed"""
|
|
# TODO: ie should be the class used for getting the info
|
|
video_info = {'_type': 'url',
|
|
'url': url,
|
|
'ie_key': ie}
|
|
if video_id is not None:
|
|
video_info['id'] = video_id
|
|
if video_title is not None:
|
|
video_info['title'] = video_title
|
|
return video_info
|
|
|
|
@staticmethod
|
|
def playlist_result(entries, playlist_id=None, playlist_title=None, playlist_description=None):
|
|
"""Returns a playlist"""
|
|
video_info = {'_type': 'playlist',
|
|
'entries': entries}
|
|
if playlist_id:
|
|
video_info['id'] = playlist_id
|
|
if playlist_title:
|
|
video_info['title'] = playlist_title
|
|
if playlist_description:
|
|
video_info['description'] = playlist_description
|
|
return video_info
|
|
|
|
def _search_regex(self, pattern, string, name, default=NO_DEFAULT, fatal=True, flags=0, group=None):
|
|
"""
|
|
Perform a regex search on the given string, using a single or a list of
|
|
patterns returning the first matching group.
|
|
In case of failure return a default value or raise a WARNING or a
|
|
RegexNotFoundError, depending on fatal, specifying the field name.
|
|
"""
|
|
if isinstance(pattern, (str, compat_str, compiled_regex_type)):
|
|
mobj = re.search(pattern, string, flags)
|
|
else:
|
|
for p in pattern:
|
|
mobj = re.search(p, string, flags)
|
|
if mobj:
|
|
break
|
|
|
|
if not self._downloader.params.get('no_color') and os.name != 'nt' and sys.stderr.isatty():
|
|
_name = '\033[0;34m%s\033[0m' % name
|
|
else:
|
|
_name = name
|
|
|
|
if mobj:
|
|
if group is None:
|
|
# return the first matching group
|
|
return next(g for g in mobj.groups() if g is not None)
|
|
else:
|
|
return mobj.group(group)
|
|
elif default is not NO_DEFAULT:
|
|
return default
|
|
elif fatal:
|
|
raise RegexNotFoundError('Unable to extract %s' % _name)
|
|
else:
|
|
self._downloader.report_warning('unable to extract %s' % _name + bug_reports_message())
|
|
return None
|
|
|
|
def _html_search_regex(self, pattern, string, name, default=NO_DEFAULT, fatal=True, flags=0, group=None):
|
|
"""
|
|
Like _search_regex, but strips HTML tags and unescapes entities.
|
|
"""
|
|
res = self._search_regex(pattern, string, name, default, fatal, flags, group)
|
|
if res:
|
|
return clean_html(res).strip()
|
|
else:
|
|
return res
|
|
|
|
def _get_login_info(self):
|
|
"""
|
|
Get the login info as (username, password)
|
|
It will look in the netrc file using the _NETRC_MACHINE value
|
|
If there's no info available, return (None, None)
|
|
"""
|
|
if self._downloader is None:
|
|
return (None, None)
|
|
|
|
username = None
|
|
password = None
|
|
downloader_params = self._downloader.params
|
|
|
|
# Attempt to use provided username and password or .netrc data
|
|
if downloader_params.get('username', None) is not None:
|
|
username = downloader_params['username']
|
|
password = downloader_params['password']
|
|
elif downloader_params.get('usenetrc', False):
|
|
try:
|
|
info = netrc.netrc().authenticators(self._NETRC_MACHINE)
|
|
if info is not None:
|
|
username = info[0]
|
|
password = info[2]
|
|
else:
|
|
raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
|
|
except (IOError, netrc.NetrcParseError) as err:
|
|
self._downloader.report_warning('parsing .netrc: %s' % error_to_compat_str(err))
|
|
|
|
return (username, password)
|
|
|
|
def _get_tfa_info(self, note='two-factor verification code'):
|
|
"""
|
|
Get the two-factor authentication info
|
|
TODO - asking the user will be required for sms/phone verify
|
|
currently just uses the command line option
|
|
If there's no info available, return None
|
|
"""
|
|
if self._downloader is None:
|
|
return None
|
|
downloader_params = self._downloader.params
|
|
|
|
if downloader_params.get('twofactor', None) is not None:
|
|
return downloader_params['twofactor']
|
|
|
|
return compat_getpass('Type %s and press [Return]: ' % note)
|
|
|
|
# Helper functions for extracting OpenGraph info
|
|
@staticmethod
|
|
def _og_regexes(prop):
|
|
content_re = r'content=(?:"([^"]+?)"|\'([^\']+?)\'|\s*([^\s"\'=<>`]+?))'
|
|
property_re = (r'(?:name|property)=(?:\'og:%(prop)s\'|"og:%(prop)s"|\s*og:%(prop)s\b)'
|
|
% {'prop': re.escape(prop)})
|
|
template = r'<meta[^>]+?%s[^>]+?%s'
|
|
return [
|
|
template % (property_re, content_re),
|
|
template % (content_re, property_re),
|
|
]
|
|
|
|
@staticmethod
|
|
def _meta_regex(prop):
|
|
return r'''(?isx)<meta
|
|
(?=[^>]+(?:itemprop|name|property|id|http-equiv)=(["\']?)%s\1)
|
|
[^>]+?content=(["\'])(?P<content>.*?)\2''' % re.escape(prop)
|
|
|
|
def _og_search_property(self, prop, html, name=None, **kargs):
|
|
if name is None:
|
|
name = 'OpenGraph %s' % prop
|
|
escaped = self._search_regex(self._og_regexes(prop), html, name, flags=re.DOTALL, **kargs)
|
|
if escaped is None:
|
|
return None
|
|
return unescapeHTML(escaped)
|
|
|
|
def _og_search_thumbnail(self, html, **kargs):
|
|
return self._og_search_property('image', html, 'thumbnail URL', fatal=False, **kargs)
|
|
|
|
def _og_search_description(self, html, **kargs):
|
|
return self._og_search_property('description', html, fatal=False, **kargs)
|
|
|
|
def _og_search_title(self, html, **kargs):
|
|
return self._og_search_property('title', html, **kargs)
|
|
|
|
def _og_search_video_url(self, html, name='video url', secure=True, **kargs):
|
|
regexes = self._og_regexes('video') + self._og_regexes('video:url')
|
|
if secure:
|
|
regexes = self._og_regexes('video:secure_url') + regexes
|
|
return self._html_search_regex(regexes, html, name, **kargs)
|
|
|
|
def _og_search_url(self, html, **kargs):
|
|
return self._og_search_property('url', html, **kargs)
|
|
|
|
def _html_search_meta(self, name, html, display_name=None, fatal=False, **kwargs):
|
|
if display_name is None:
|
|
display_name = name
|
|
return self._html_search_regex(
|
|
self._meta_regex(name),
|
|
html, display_name, fatal=fatal, group='content', **kwargs)
|
|
|
|
def _dc_search_uploader(self, html):
|
|
return self._html_search_meta('dc.creator', html, 'uploader')
|
|
|
|
def _rta_search(self, html):
|
|
# See http://www.rtalabel.org/index.php?content=howtofaq#single
|
|
if re.search(r'(?ix)<meta\s+name="rating"\s+'
|
|
r' content="RTA-5042-1996-1400-1577-RTA"',
|
|
html):
|
|
return 18
|
|
return 0
|
|
|
|
def _media_rating_search(self, html):
|
|
# See http://www.tjg-designs.com/WP/metadata-code-examples-adding-metadata-to-your-web-pages/
|
|
rating = self._html_search_meta('rating', html)
|
|
|
|
if not rating:
|
|
return None
|
|
|
|
RATING_TABLE = {
|
|
'safe for kids': 0,
|
|
'general': 8,
|
|
'14 years': 14,
|
|
'mature': 17,
|
|
'restricted': 19,
|
|
}
|
|
return RATING_TABLE.get(rating.lower(), None)
|
|
|
|
def _family_friendly_search(self, html):
|
|
# See http://schema.org/VideoObject
|
|
family_friendly = self._html_search_meta('isFamilyFriendly', html)
|
|
|
|
if not family_friendly:
|
|
return None
|
|
|
|
RATING_TABLE = {
|
|
'1': 0,
|
|
'true': 0,
|
|
'0': 18,
|
|
'false': 18,
|
|
}
|
|
return RATING_TABLE.get(family_friendly.lower(), None)
|
|
|
|
def _twitter_search_player(self, html):
|
|
return self._html_search_meta('twitter:player', html,
|
|
'twitter card player')
|
|
|
|
@staticmethod
|
|
def _hidden_inputs(html):
|
|
html = re.sub(r'<!--(?:(?!<!--).)*-->', '', html)
|
|
hidden_inputs = {}
|
|
for input in re.findall(r'(?i)<input([^>]+)>', html):
|
|
if not re.search(r'type=(["\'])(?:hidden|submit)\1', input):
|
|
continue
|
|
name = re.search(r'name=(["\'])(?P<value>.+?)\1', input)
|
|
if not name:
|
|
continue
|
|
value = re.search(r'value=(["\'])(?P<value>.*?)\1', input)
|
|
if not value:
|
|
continue
|
|
hidden_inputs[name.group('value')] = value.group('value')
|
|
return hidden_inputs
|
|
|
|
def _form_hidden_inputs(self, form_id, html):
|
|
form = self._search_regex(
|
|
r'(?is)<form[^>]+?id=(["\'])%s\1[^>]*>(?P<form>.+?)</form>' % form_id,
|
|
html, '%s form' % form_id, group='form')
|
|
return self._hidden_inputs(form)
|
|
|
|
def _sort_formats(self, formats, field_preference=None):
|
|
if not formats:
|
|
raise ExtractorError('No video formats found')
|
|
|
|
def _formats_key(f):
|
|
# TODO remove the following workaround
|
|
from ..utils import determine_ext
|
|
if not f.get('ext') and 'url' in f:
|
|
f['ext'] = determine_ext(f['url'])
|
|
|
|
if isinstance(field_preference, (list, tuple)):
|
|
return tuple(f.get(field) if f.get(field) is not None else -1 for field in field_preference)
|
|
|
|
preference = f.get('preference')
|
|
if preference is None:
|
|
preference = 0
|
|
if f.get('ext') in ['f4f', 'f4m']: # Not yet supported
|
|
preference -= 0.5
|
|
|
|
proto_preference = 0 if determine_protocol(f) in ['http', 'https'] else -0.1
|
|
|
|
if f.get('vcodec') == 'none': # audio only
|
|
if self._downloader.params.get('prefer_free_formats'):
|
|
ORDER = ['aac', 'mp3', 'm4a', 'webm', 'ogg', 'opus']
|
|
else:
|
|
ORDER = ['webm', 'opus', 'ogg', 'mp3', 'aac', 'm4a']
|
|
ext_preference = 0
|
|
try:
|
|
audio_ext_preference = ORDER.index(f['ext'])
|
|
except ValueError:
|
|
audio_ext_preference = -1
|
|
else:
|
|
if self._downloader.params.get('prefer_free_formats'):
|
|
ORDER = ['flv', 'mp4', 'webm']
|
|
else:
|
|
ORDER = ['webm', 'flv', 'mp4']
|
|
try:
|
|
ext_preference = ORDER.index(f['ext'])
|
|
except ValueError:
|
|
ext_preference = -1
|
|
audio_ext_preference = 0
|
|
|
|
return (
|
|
preference,
|
|
f.get('language_preference') if f.get('language_preference') is not None else -1,
|
|
f.get('quality') if f.get('quality') is not None else -1,
|
|
f.get('tbr') if f.get('tbr') is not None else -1,
|
|
f.get('filesize') if f.get('filesize') is not None else -1,
|
|
f.get('vbr') if f.get('vbr') is not None else -1,
|
|
f.get('height') if f.get('height') is not None else -1,
|
|
f.get('width') if f.get('width') is not None else -1,
|
|
proto_preference,
|
|
ext_preference,
|
|
f.get('abr') if f.get('abr') is not None else -1,
|
|
audio_ext_preference,
|
|
f.get('fps') if f.get('fps') is not None else -1,
|
|
f.get('filesize_approx') if f.get('filesize_approx') is not None else -1,
|
|
f.get('source_preference') if f.get('source_preference') is not None else -1,
|
|
f.get('format_id') if f.get('format_id') is not None else '',
|
|
)
|
|
formats.sort(key=_formats_key)
|
|
|
|
def _check_formats(self, formats, video_id):
|
|
if formats:
|
|
formats[:] = filter(
|
|
lambda f: self._is_valid_url(
|
|
f['url'], video_id,
|
|
item='%s video format' % f.get('format_id') if f.get('format_id') else 'video'),
|
|
formats)
|
|
|
|
def _is_valid_url(self, url, video_id, item='video'):
|
|
url = self._proto_relative_url(url, scheme='http:')
|
|
# For now assume non HTTP(S) URLs always valid
|
|
if not (url.startswith('http://') or url.startswith('https://')):
|
|
return True
|
|
try:
|
|
self._request_webpage(url, video_id, 'Checking %s URL' % item)
|
|
return True
|
|
except ExtractorError as e:
|
|
if isinstance(e.cause, compat_urllib_error.URLError):
|
|
self.to_screen(
|
|
'%s: %s URL is invalid, skipping' % (video_id, item))
|
|
return False
|
|
raise
|
|
|
|
def http_scheme(self):
|
|
""" Either "http:" or "https:", depending on the user's preferences """
|
|
return (
|
|
'http:'
|
|
if self._downloader.params.get('prefer_insecure', False)
|
|
else 'https:')
|
|
|
|
def _proto_relative_url(self, url, scheme=None):
|
|
if url is None:
|
|
return url
|
|
if url.startswith('//'):
|
|
if scheme is None:
|
|
scheme = self.http_scheme()
|
|
return scheme + url
|
|
else:
|
|
return url
|
|
|
|
def _sleep(self, timeout, video_id, msg_template=None):
|
|
if msg_template is None:
|
|
msg_template = '%(video_id)s: Waiting for %(timeout)s seconds'
|
|
msg = msg_template % {'video_id': video_id, 'timeout': timeout}
|
|
self.to_screen(msg)
|
|
time.sleep(timeout)
|
|
|
|
def _extract_f4m_formats(self, manifest_url, video_id, preference=None, f4m_id=None,
|
|
transform_source=lambda s: fix_xml_ampersands(s).strip(),
|
|
fatal=True):
|
|
manifest = self._download_xml(
|
|
manifest_url, video_id, 'Downloading f4m manifest',
|
|
'Unable to download f4m manifest',
|
|
# Some manifests may be malformed, e.g. prosiebensat1 generated manifests
|
|
# (see https://github.com/rg3/youtube-dl/issues/6215#issuecomment-121704244)
|
|
transform_source=transform_source,
|
|
fatal=fatal)
|
|
|
|
if manifest is False:
|
|
return []
|
|
|
|
formats = []
|
|
manifest_version = '1.0'
|
|
media_nodes = manifest.findall('{http://ns.adobe.com/f4m/1.0}media')
|
|
if not media_nodes:
|
|
manifest_version = '2.0'
|
|
media_nodes = manifest.findall('{http://ns.adobe.com/f4m/2.0}media')
|
|
base_url = xpath_text(
|
|
manifest, ['{http://ns.adobe.com/f4m/1.0}baseURL', '{http://ns.adobe.com/f4m/2.0}baseURL'],
|
|
'base URL', default=None)
|
|
if base_url:
|
|
base_url = base_url.strip()
|
|
for i, media_el in enumerate(media_nodes):
|
|
if manifest_version == '2.0':
|
|
media_url = media_el.attrib.get('href') or media_el.attrib.get('url')
|
|
if not media_url:
|
|
continue
|
|
manifest_url = (
|
|
media_url if media_url.startswith('http://') or media_url.startswith('https://')
|
|
else ((base_url or '/'.join(manifest_url.split('/')[:-1])) + '/' + media_url))
|
|
# If media_url is itself a f4m manifest do the recursive extraction
|
|
# since bitrates in parent manifest (this one) and media_url manifest
|
|
# may differ leading to inability to resolve the format by requested
|
|
# bitrate in f4m downloader
|
|
if determine_ext(manifest_url) == 'f4m':
|
|
formats.extend(self._extract_f4m_formats(
|
|
manifest_url, video_id, preference, f4m_id, fatal=fatal))
|
|
continue
|
|
tbr = int_or_none(media_el.attrib.get('bitrate'))
|
|
formats.append({
|
|
'format_id': '-'.join(filter(None, [f4m_id, compat_str(i if tbr is None else tbr)])),
|
|
'url': manifest_url,
|
|
'ext': 'flv',
|
|
'tbr': tbr,
|
|
'width': int_or_none(media_el.attrib.get('width')),
|
|
'height': int_or_none(media_el.attrib.get('height')),
|
|
'preference': preference,
|
|
})
|
|
self._sort_formats(formats)
|
|
|
|
return formats
|
|
|
|
def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,
|
|
entry_protocol='m3u8', preference=None,
|
|
m3u8_id=None, note=None, errnote=None,
|
|
fatal=True):
|
|
|
|
formats = [{
|
|
'format_id': '-'.join(filter(None, [m3u8_id, 'meta'])),
|
|
'url': m3u8_url,
|
|
'ext': ext,
|
|
'protocol': 'm3u8',
|
|
'preference': preference - 1 if preference else -1,
|
|
'resolution': 'multiple',
|
|
'format_note': 'Quality selection URL',
|
|
}]
|
|
|
|
format_url = lambda u: (
|
|
u
|
|
if re.match(r'^https?://', u)
|
|
else compat_urlparse.urljoin(m3u8_url, u))
|
|
|
|
res = self._download_webpage_handle(
|
|
m3u8_url, video_id,
|
|
note=note or 'Downloading m3u8 information',
|
|
errnote=errnote or 'Failed to download m3u8 information',
|
|
fatal=fatal)
|
|
if res is False:
|
|
return []
|
|
m3u8_doc, urlh = res
|
|
m3u8_url = urlh.geturl()
|
|
last_info = None
|
|
last_media = None
|
|
kv_rex = re.compile(
|
|
r'(?P<key>[a-zA-Z_-]+)=(?P<val>"[^"]+"|[^",]+)(?:,|$)')
|
|
for line in m3u8_doc.splitlines():
|
|
if line.startswith('#EXT-X-STREAM-INF:'):
|
|
last_info = {}
|
|
for m in kv_rex.finditer(line):
|
|
v = m.group('val')
|
|
if v.startswith('"'):
|
|
v = v[1:-1]
|
|
last_info[m.group('key')] = v
|
|
elif line.startswith('#EXT-X-MEDIA:'):
|
|
last_media = {}
|
|
for m in kv_rex.finditer(line):
|
|
v = m.group('val')
|
|
if v.startswith('"'):
|
|
v = v[1:-1]
|
|
last_media[m.group('key')] = v
|
|
elif line.startswith('#') or not line.strip():
|
|
continue
|
|
else:
|
|
if last_info is None:
|
|
formats.append({'url': format_url(line)})
|
|
continue
|
|
tbr = int_or_none(last_info.get('BANDWIDTH'), scale=1000)
|
|
format_id = []
|
|
if m3u8_id:
|
|
format_id.append(m3u8_id)
|
|
last_media_name = last_media.get('NAME') if last_media and last_media.get('TYPE') != 'SUBTITLES' else None
|
|
format_id.append(last_media_name if last_media_name else '%d' % (tbr if tbr else len(formats)))
|
|
f = {
|
|
'format_id': '-'.join(format_id),
|
|
'url': format_url(line.strip()),
|
|
'tbr': tbr,
|
|
'ext': ext,
|
|
'protocol': entry_protocol,
|
|
'preference': preference,
|
|
}
|
|
codecs = last_info.get('CODECS')
|
|
if codecs:
|
|
# TODO: looks like video codec is not always necessarily goes first
|
|
va_codecs = codecs.split(',')
|
|
if va_codecs[0]:
|
|
f['vcodec'] = va_codecs[0].partition('.')[0]
|
|
if len(va_codecs) > 1 and va_codecs[1]:
|
|
f['acodec'] = va_codecs[1].partition('.')[0]
|
|
resolution = last_info.get('RESOLUTION')
|
|
if resolution:
|
|
width_str, height_str = resolution.split('x')
|
|
f['width'] = int(width_str)
|
|
f['height'] = int(height_str)
|
|
if last_media is not None:
|
|
f['m3u8_media'] = last_media
|
|
last_media = None
|
|
formats.append(f)
|
|
last_info = {}
|
|
self._sort_formats(formats)
|
|
return formats
|
|
|
|
@staticmethod
|
|
def _xpath_ns(path, namespace=None):
|
|
if not namespace:
|
|
return path
|
|
out = []
|
|
for c in path.split('/'):
|
|
if not c or c == '.':
|
|
out.append(c)
|
|
else:
|
|
out.append('{%s}%s' % (namespace, c))
|
|
return '/'.join(out)
|
|
|
|
def _extract_smil_formats(self, smil_url, video_id, fatal=True, f4m_params=None):
|
|
smil = self._download_smil(smil_url, video_id, fatal=fatal)
|
|
|
|
if smil is False:
|
|
assert not fatal
|
|
return []
|
|
|
|
namespace = self._parse_smil_namespace(smil)
|
|
|
|
return self._parse_smil_formats(
|
|
smil, smil_url, video_id, namespace=namespace, f4m_params=f4m_params)
|
|
|
|
def _extract_smil_info(self, smil_url, video_id, fatal=True, f4m_params=None):
|
|
smil = self._download_smil(smil_url, video_id, fatal=fatal)
|
|
if smil is False:
|
|
return {}
|
|
return self._parse_smil(smil, smil_url, video_id, f4m_params=f4m_params)
|
|
|
|
def _download_smil(self, smil_url, video_id, fatal=True):
|
|
return self._download_xml(
|
|
smil_url, video_id, 'Downloading SMIL file',
|
|
'Unable to download SMIL file', fatal=fatal)
|
|
|
|
def _parse_smil(self, smil, smil_url, video_id, f4m_params=None):
|
|
namespace = self._parse_smil_namespace(smil)
|
|
|
|
formats = self._parse_smil_formats(
|
|
smil, smil_url, video_id, namespace=namespace, f4m_params=f4m_params)
|
|
subtitles = self._parse_smil_subtitles(smil, namespace=namespace)
|
|
|
|
video_id = os.path.splitext(url_basename(smil_url))[0]
|
|
title = None
|
|
description = None
|
|
upload_date = None
|
|
for meta in smil.findall(self._xpath_ns('./head/meta', namespace)):
|
|
name = meta.attrib.get('name')
|
|
content = meta.attrib.get('content')
|
|
if not name or not content:
|
|
continue
|
|
if not title and name == 'title':
|
|
title = content
|
|
elif not description and name in ('description', 'abstract'):
|
|
description = content
|
|
elif not upload_date and name == 'date':
|
|
upload_date = unified_strdate(content)
|
|
|
|
thumbnails = [{
|
|
'id': image.get('type'),
|
|
'url': image.get('src'),
|
|
'width': int_or_none(image.get('width')),
|
|
'height': int_or_none(image.get('height')),
|
|
} for image in smil.findall(self._xpath_ns('.//image', namespace)) if image.get('src')]
|
|
|
|
return {
|
|
'id': video_id,
|
|
'title': title or video_id,
|
|
'description': description,
|
|
'upload_date': upload_date,
|
|
'thumbnails': thumbnails,
|
|
'formats': formats,
|
|
'subtitles': subtitles,
|
|
}
|
|
|
|
def _parse_smil_namespace(self, smil):
|
|
return self._search_regex(
|
|
r'(?i)^{([^}]+)?}smil$', smil.tag, 'namespace', default=None)
|
|
|
|
def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
|
|
base = smil_url
|
|
for meta in smil.findall(self._xpath_ns('./head/meta', namespace)):
|
|
b = meta.get('base') or meta.get('httpBase')
|
|
if b:
|
|
base = b
|
|
break
|
|
|
|
formats = []
|
|
rtmp_count = 0
|
|
http_count = 0
|
|
|
|
videos = smil.findall(self._xpath_ns('.//video', namespace))
|
|
for video in videos:
|
|
src = video.get('src')
|
|
if not src:
|
|
continue
|
|
|
|
bitrate = float_or_none(video.get('system-bitrate') or video.get('systemBitrate'), 1000)
|
|
filesize = int_or_none(video.get('size') or video.get('fileSize'))
|
|
width = int_or_none(video.get('width'))
|
|
height = int_or_none(video.get('height'))
|
|
proto = video.get('proto')
|
|
ext = video.get('ext')
|
|
src_ext = determine_ext(src)
|
|
streamer = video.get('streamer') or base
|
|
|
|
if proto == 'rtmp' or streamer.startswith('rtmp'):
|
|
rtmp_count += 1
|
|
formats.append({
|
|
'url': streamer,
|
|
'play_path': src,
|
|
'ext': 'flv',
|
|
'format_id': 'rtmp-%d' % (rtmp_count if bitrate is None else bitrate),
|
|
'tbr': bitrate,
|
|
'filesize': filesize,
|
|
'width': width,
|
|
'height': height,
|
|
})
|
|
if transform_rtmp_url:
|
|
streamer, src = transform_rtmp_url(streamer, src)
|
|
formats[-1].update({
|
|
'url': streamer,
|
|
'play_path': src,
|
|
})
|
|
continue
|
|
|
|
src_url = src if src.startswith('http') else compat_urlparse.urljoin(base, src)
|
|
|
|
if proto == 'm3u8' or src_ext == 'm3u8':
|
|
formats.extend(self._extract_m3u8_formats(
|
|
src_url, video_id, ext or 'mp4', m3u8_id='hls', fatal=False))
|
|
continue
|
|
|
|
if src_ext == 'f4m':
|
|
f4m_url = src_url
|
|
if not f4m_params:
|
|
f4m_params = {
|
|
'hdcore': '3.2.0',
|
|
'plugin': 'flowplayer-3.2.0.1',
|
|
}
|
|
f4m_url += '&' if '?' in f4m_url else '?'
|
|
f4m_url += compat_urllib_parse.urlencode(f4m_params)
|
|
formats.extend(self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds', fatal=False))
|
|
continue
|
|
|
|
if src_url.startswith('http') and self._is_valid_url(src, video_id):
|
|
http_count += 1
|
|
formats.append({
|
|
'url': src_url,
|
|
'ext': ext or src_ext or 'flv',
|
|
'format_id': 'http-%d' % (bitrate or http_count),
|
|
'tbr': bitrate,
|
|
'filesize': filesize,
|
|
'width': width,
|
|
'height': height,
|
|
})
|
|
continue
|
|
|
|
self._sort_formats(formats)
|
|
|
|
return formats
|
|
|
|
def _parse_smil_subtitles(self, smil, namespace=None, subtitles_lang='en'):
|
|
subtitles = {}
|
|
for num, textstream in enumerate(smil.findall(self._xpath_ns('.//textstream', namespace))):
|
|
src = textstream.get('src')
|
|
if not src:
|
|
continue
|
|
ext = textstream.get('ext') or determine_ext(src)
|
|
if not ext:
|
|
type_ = textstream.get('type')
|
|
SUBTITLES_TYPES = {
|
|
'text/vtt': 'vtt',
|
|
'text/srt': 'srt',
|
|
'application/smptett+xml': 'tt',
|
|
}
|
|
if type_ in SUBTITLES_TYPES:
|
|
ext = SUBTITLES_TYPES[type_]
|
|
lang = textstream.get('systemLanguage') or textstream.get('systemLanguageName') or textstream.get('lang') or subtitles_lang
|
|
subtitles.setdefault(lang, []).append({
|
|
'url': src,
|
|
'ext': ext,
|
|
})
|
|
return subtitles
|
|
|
|
def _extract_xspf_playlist(self, playlist_url, playlist_id, fatal=True):
|
|
xspf = self._download_xml(
|
|
playlist_url, playlist_id, 'Downloading xpsf playlist',
|
|
'Unable to download xspf manifest', fatal=fatal)
|
|
if xspf is False:
|
|
return []
|
|
return self._parse_xspf(xspf, playlist_id)
|
|
|
|
def _parse_xspf(self, playlist, playlist_id):
|
|
NS_MAP = {
|
|
'xspf': 'http://xspf.org/ns/0/',
|
|
's1': 'http://static.streamone.nl/player/ns/0',
|
|
}
|
|
|
|
entries = []
|
|
for track in playlist.findall(xpath_with_ns('./xspf:trackList/xspf:track', NS_MAP)):
|
|
title = xpath_text(
|
|
track, xpath_with_ns('./xspf:title', NS_MAP), 'title', default=playlist_id)
|
|
description = xpath_text(
|
|
track, xpath_with_ns('./xspf:annotation', NS_MAP), 'description')
|
|
thumbnail = xpath_text(
|
|
track, xpath_with_ns('./xspf:image', NS_MAP), 'thumbnail')
|
|
duration = float_or_none(
|
|
xpath_text(track, xpath_with_ns('./xspf:duration', NS_MAP), 'duration'), 1000)
|
|
|
|
formats = [{
|
|
'url': location.text,
|
|
'format_id': location.get(xpath_with_ns('s1:label', NS_MAP)),
|
|
'width': int_or_none(location.get(xpath_with_ns('s1:width', NS_MAP))),
|
|
'height': int_or_none(location.get(xpath_with_ns('s1:height', NS_MAP))),
|
|
} for location in track.findall(xpath_with_ns('./xspf:location', NS_MAP))]
|
|
self._sort_formats(formats)
|
|
|
|
entries.append({
|
|
'id': playlist_id,
|
|
'title': title,
|
|
'description': description,
|
|
'thumbnail': thumbnail,
|
|
'duration': duration,
|
|
'formats': formats,
|
|
})
|
|
return entries
|
|
|
|
def _live_title(self, name):
|
|
""" Generate the title for a live video """
|
|
now = datetime.datetime.now()
|
|
now_str = now.strftime("%Y-%m-%d %H:%M")
|
|
return name + ' ' + now_str
|
|
|
|
def _int(self, v, name, fatal=False, **kwargs):
|
|
res = int_or_none(v, **kwargs)
|
|
if 'get_attr' in kwargs:
|
|
print(getattr(v, kwargs['get_attr']))
|
|
if res is None:
|
|
msg = 'Failed to extract %s: Could not parse value %r' % (name, v)
|
|
if fatal:
|
|
raise ExtractorError(msg)
|
|
else:
|
|
self._downloader.report_warning(msg)
|
|
return res
|
|
|
|
def _float(self, v, name, fatal=False, **kwargs):
|
|
res = float_or_none(v, **kwargs)
|
|
if res is None:
|
|
msg = 'Failed to extract %s: Could not parse value %r' % (name, v)
|
|
if fatal:
|
|
raise ExtractorError(msg)
|
|
else:
|
|
self._downloader.report_warning(msg)
|
|
return res
|
|
|
|
def _set_cookie(self, domain, name, value, expire_time=None):
|
|
cookie = compat_cookiejar.Cookie(
|
|
0, name, value, None, None, domain, None,
|
|
None, '/', True, False, expire_time, '', None, None, None)
|
|
self._downloader.cookiejar.set_cookie(cookie)
|
|
|
|
def _get_cookies(self, url):
|
|
""" Return a compat_cookies.SimpleCookie with the cookies for the url """
|
|
req = sanitized_Request(url)
|
|
self._downloader.cookiejar.add_cookie_header(req)
|
|
return compat_cookies.SimpleCookie(req.get_header('Cookie'))
|
|
|
|
def get_testcases(self, include_onlymatching=False):
|
|
t = getattr(self, '_TEST', None)
|
|
if t:
|
|
assert not hasattr(self, '_TESTS'), \
|
|
'%s has _TEST and _TESTS' % type(self).__name__
|
|
tests = [t]
|
|
else:
|
|
tests = getattr(self, '_TESTS', [])
|
|
for t in tests:
|
|
if not include_onlymatching and t.get('only_matching', False):
|
|
continue
|
|
t['name'] = type(self).__name__[:-len('IE')]
|
|
yield t
|
|
|
|
def is_suitable(self, age_limit):
|
|
""" Test whether the extractor is generally suitable for the given
|
|
age limit (i.e. pornographic sites are not, all others usually are) """
|
|
|
|
any_restricted = False
|
|
for tc in self.get_testcases(include_onlymatching=False):
|
|
if 'playlist' in tc:
|
|
tc = tc['playlist'][0]
|
|
is_restricted = age_restricted(
|
|
tc.get('info_dict', {}).get('age_limit'), age_limit)
|
|
if not is_restricted:
|
|
return True
|
|
any_restricted = any_restricted or is_restricted
|
|
return not any_restricted
|
|
|
|
def extract_subtitles(self, *args, **kwargs):
|
|
if (self._downloader.params.get('writesubtitles', False) or
|
|
self._downloader.params.get('listsubtitles')):
|
|
return self._get_subtitles(*args, **kwargs)
|
|
return {}
|
|
|
|
def _get_subtitles(self, *args, **kwargs):
|
|
raise NotImplementedError("This method must be implemented by subclasses")
|
|
|
|
@staticmethod
|
|
def _merge_subtitle_items(subtitle_list1, subtitle_list2):
|
|
""" Merge subtitle items for one language. Items with duplicated URLs
|
|
will be dropped. """
|
|
list1_urls = set([item['url'] for item in subtitle_list1])
|
|
ret = list(subtitle_list1)
|
|
ret.extend([item for item in subtitle_list2 if item['url'] not in list1_urls])
|
|
return ret
|
|
|
|
@classmethod
|
|
def _merge_subtitles(cls, subtitle_dict1, subtitle_dict2):
|
|
""" Merge two subtitle dictionaries, language by language. """
|
|
ret = dict(subtitle_dict1)
|
|
for lang in subtitle_dict2:
|
|
ret[lang] = cls._merge_subtitle_items(subtitle_dict1.get(lang, []), subtitle_dict2[lang])
|
|
return ret
|
|
|
|
def extract_automatic_captions(self, *args, **kwargs):
|
|
if (self._downloader.params.get('writeautomaticsub', False) or
|
|
self._downloader.params.get('listsubtitles')):
|
|
return self._get_automatic_captions(*args, **kwargs)
|
|
return {}
|
|
|
|
def _get_automatic_captions(self, *args, **kwargs):
|
|
raise NotImplementedError("This method must be implemented by subclasses")
|
|
|
|
|
|
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('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('invalid download number %s for query "%s"' % (n, query))
|
|
elif n > self._MAX_RESULTS:
|
|
self._downloader.report_warning('%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 subclasses")
|
|
|
|
@property
|
|
def SEARCH_KEY(self):
|
|
return self._SEARCH_KEY
|