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Decouple fetching metadata

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This commit is contained in:
Ritiek Malhotra
2020-03-22 21:44:04 +05:30
parent dae76a0abb
commit 7413c541d3
12 changed files with 373 additions and 485 deletions
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412
spotdl/downloaders/youtube.py
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@@ -1,412 +0,0 @@
from bs4 import BeautifulSoup
import urllib
import pafy
from slugify import slugify
from logzero import logger as log
import os
from spotdl import spotify_tools
from spotdl import internals
from spotdl import const
# Fix download speed throttle on short duration tracks
# Read more on mps-youtube/pafy#199
pafy.g.opener.addheaders.append(("Range", "bytes=0-"))
# Implement unreleased methods on Pafy object
# More info: https://github.com/mps-youtube/pafy/pull/211
if pafy.__version__ <= "0.5.5":
from spotdl import patcher
pafy_patcher = patcher.PatchPafy()
pafy_patcher.patch_getbestthumb()
pafy_patcher.patch_process_streams()
pafy_patcher.patch_insecure_streams()
def set_api_key():
if const.args.youtube_api_key:
key = const.args.youtube_api_key
else:
# Please respect this YouTube token :)
key = "AIzaSyC6cEeKlxtOPybk9sEe5ksFN5sB-7wzYp0"
pafy.set_api_key(key)
def go_pafy(raw_song, meta_tags=None):
""" Parse track from YouTube. """
if internals.is_youtube(raw_song):
track_info = pafy.new(raw_song)
else:
track_url = generate_youtube_url(raw_song, meta_tags)
if track_url:
track_info = pafy.new(track_url)
else:
track_info = None
return track_info
def match_video_and_metadata(track):
""" Get and match track data from YouTube and Spotify. """
meta_tags = None
def fallback_metadata(meta_tags):
fallback_metadata_info = (
"Track not found on Spotify, falling back on YouTube metadata"
)
skip_fallback_metadata_warning = (
"Fallback condition not met, shall not embed metadata"
)
if meta_tags is None:
if const.args.no_fallback_metadata:
log.warning(skip_fallback_metadata_warning)
else:
log.info(fallback_metadata_info)
meta_tags = generate_metadata(content)
return meta_tags
if internals.is_youtube(track):
log.debug("Input song is a YouTube URL")
content = go_pafy(track, meta_tags=None)
track = slugify(content.title).replace("-", " ")
if not const.args.no_metadata:
meta_tags = spotify_tools.generate_metadata(track)
meta_tags = fallback_metadata(meta_tags)
elif internals.is_spotify(track):
log.debug("Input song is a Spotify URL")
# Let it generate metadata, YouTube doesn't know Spotify slang
meta_tags = spotify_tools.generate_metadata(track)
content = go_pafy(track, meta_tags)
if const.args.no_metadata:
meta_tags = None
else:
log.debug("Input song is plain text based")
if const.args.no_metadata:
content = go_pafy(track, meta_tags=None)
else:
meta_tags = spotify_tools.generate_metadata(track)
content = go_pafy(track, meta_tags=meta_tags)
meta_tags = fallback_metadata(meta_tags)
return content, meta_tags
def generate_metadata(content):
""" Fetch a song's metadata from YouTube. """
meta_tags = {
"spotify_metadata": False,
"name": content.title,
"artists": [{"name": content.author}],
"duration": content.length,
"external_urls": {"youtube": content.watchv_url},
"album": {
"images": [{"url": content.getbestthumb()}],
"artists": [{"name": None}],
"name": None,
},
"year": None,
"release_date": None,
"type": "track",
"disc_number": 1,
"track_number": 1,
"total_tracks": 1,
"publisher": None,
"external_ids": {"isrc": None},
"lyrics": None,
"copyright": None,
"genre": None,
}
# Workaround for
# https://github.com/ritiek/spotify-downloader/issues/671
try:
meta_tags["year"] = content.published.split("-")[0]
meta_tags["release_date"] = content.published.split(" ")[0]
except pafy.util.GdataError:
pass
return meta_tags
def get_youtube_title(content, number=None):
""" Get the YouTube video's title. """
title = content.title
if number:
return "{0}. {1}".format(number, title)
else:
return title
def generate_m3u(track_file):
tracks = internals.get_unique_tracks(track_file)
target_file = "{}.m3u".format(track_file.split(".")[0])
total_tracks = len(tracks)
log.info("Generating {0} from {1} YouTube URLs".format(target_file, total_tracks))
with open(target_file, "w") as output_file:
output_file.write("#EXTM3U\n\n")
videos = []
for n, track in enumerate(tracks, 1):
content, _ = match_video_and_metadata(track)
if content is None:
log.warning("Skipping {}".format(track))
else:
log.info(
"Matched track {0}/{1} ({2})".format(
n, total_tracks, content.watchv_url
)
)
log.debug(track)
m3u_key = "#EXTINF:{duration},{title}\n{youtube_url}\n".format(
duration=internals.get_sec(content.duration),
title=content.title,
youtube_url=content.watchv_url,
)
log.debug(m3u_key)
with open(target_file, "a") as output_file:
output_file.write(m3u_key)
videos.append(content.watchv_url)
return videos
def download_song(file_name, content):
""" Download the audio file from YouTube. """
_, extension = os.path.splitext(file_name)
if extension in (".webm", ".m4a"):
link = content.getbestaudio(preftype=extension[1:])
else:
log.debug("No audio streams available for {} type".format(extension))
return False
if link:
log.debug("Downloading from URL: " + link.url)
filepath = os.path.join(const.args.folder, file_name)
log.debug("Saving to: " + filepath)
link.download(filepath=filepath)
return True
else:
log.debug("No audio streams available")
return False
def generate_search_url(query):
""" Generate YouTube search URL for the given song. """
# urllib.request.quote() encodes string with special characters
quoted_query = urllib.request.quote(query)
# Special YouTube URL filter to search only for videos
url = "https://www.youtube.com/results?sp=EgIQAQ%253D%253D&q={0}".format(
quoted_query
)
return url
def is_video(result):
# ensure result is not a channel
not_video = (
result.find("channel") is not None
or "yt-lockup-channel" in result.parent.attrs["class"]
or "yt-lockup-channel" in result.attrs["class"]
)
# ensure result is not a mix/playlist
not_video = not_video or "yt-lockup-playlist" in result.parent.attrs["class"]
# ensure video result is not an advertisement
not_video = not_video or result.find("googleads") is not None
video = not not_video
return video
def generate_youtube_url(raw_song, meta_tags):
url_fetch = GenerateYouTubeURL(raw_song, meta_tags)
if const.args.youtube_api_key:
url = url_fetch.api()
else:
url = url_fetch.scrape()
return url
class GenerateYouTubeURL:
def __init__(self, raw_song, meta_tags):
self.raw_song = raw_song
self.meta_tags = meta_tags
if meta_tags is None:
self.search_query = raw_song
else:
self.search_query = internals.format_string(
const.args.search_format, meta_tags, force_spaces=True
)
def _best_match(self, videos):
if not videos:
log.error("No videos found on YouTube for a given search")
return None
""" Select the best matching video from a list of videos. """
if const.args.manual:
log.info(self.raw_song)
log.info("0. Skip downloading this song.\n")
# fetch all video links on first page on YouTube
for i, v in enumerate(videos):
log.info(
u"{0}. {1} {2} {3}".format(
i + 1,
v["title"],
v["videotime"],
"http://youtube.com/watch?v=" + v["link"],
)
)
# let user select the song to download
result = internals.input_link(videos)
if result is None:
return None
else:
if not self.meta_tags:
# if the metadata could not be acquired, take the first result
# from Youtube because the proper song length is unknown
result = videos[0]
log.debug(
"Since no metadata found on Spotify, going with the first result"
)
else:
# filter out videos that do not have a similar length to the Spotify song
duration_tolerance = 10
max_duration_tolerance = 20
possible_videos_by_duration = []
# start with a reasonable duration_tolerance, and increment duration_tolerance
# until one of the Youtube results falls within the correct duration or
# the duration_tolerance has reached the max_duration_tolerance
while len(possible_videos_by_duration) == 0:
possible_videos_by_duration = list(
filter(
lambda x: abs(x["seconds"] - self.meta_tags["duration"])
<= duration_tolerance,
videos,
)
)
duration_tolerance += 1
if duration_tolerance > max_duration_tolerance:
log.error(
"{0} by {1} was not found.".format(
self.meta_tags["name"],
self.meta_tags["artists"][0]["name"],
)
)
return None
result = possible_videos_by_duration[0]
if result:
url = "http://youtube.com/watch?v={0}".format(result["link"])
else:
url = None
return url
def scrape(self, bestmatch=True, tries_remaining=5):
""" Search and scrape YouTube to return a list of matching videos. """
# prevents an infinite loop but allows for a few retries
if tries_remaining == 0:
log.debug("No tries left. I quit.")
return
search_url = generate_search_url(self.search_query)
log.debug("Opening URL: {0}".format(search_url))
item = self._fetch_response(search_url).read()
items_parse = BeautifulSoup(item, "html.parser")
videos = []
for x in items_parse.find_all(
"div", {"class": "yt-lockup-dismissable yt-uix-tile"}
):
if not is_video(x):
continue
y = x.find("div", class_="yt-lockup-content")
link = y.find("a")["href"][-11:]
title = y.find("a")["title"]
try:
videotime = x.find("span", class_="video-time").get_text()
except AttributeError:
log.debug("Could not find video duration on YouTube, retrying..")
return self.scrape(
bestmatch=bestmatch, tries_remaining=tries_remaining - 1
)
youtubedetails = {
"link": link,
"title": title,
"videotime": videotime,
"seconds": internals.get_sec(videotime),
}
videos.append(youtubedetails)
if bestmatch:
return self._best_match(videos)
return videos
def api(self, bestmatch=True):
""" Use YouTube API to search and return a list of matching videos. """
query = {"part": "snippet", "maxResults": 50, "type": "video"}
if const.args.music_videos_only:
query["videoCategoryId"] = "10"
if not self.meta_tags:
song = self.raw_song
query["q"] = song
else:
query["q"] = self.search_query
log.debug("query: {0}".format(query))
data = pafy.call_gdata("search", query)
data["items"] = list(
filter(lambda x: x["id"].get("videoId") is not None, data["items"])
)
query_results = {
"part": "contentDetails,snippet,statistics",
"maxResults": 50,
"id": ",".join(i["id"]["videoId"] for i in data["items"]),
}
log.debug("query_results: {0}".format(query_results))
vdata = pafy.call_gdata("videos", query_results)
videos = []
for x in vdata["items"]:
duration_s = pafy.playlist.parseISO8591(x["contentDetails"]["duration"])
youtubedetails = {
"link": x["id"],
"title": x["snippet"]["title"],
"videotime": internals.videotime_from_seconds(duration_s),
"seconds": duration_s,
}
videos.append(youtubedetails)
if bestmatch:
return self._best_match(videos)
return videos
@staticmethod
def _fetch_response(url):
# XXX: This method exists only because it helps us indirectly
# monkey patch `urllib.request.open`, directly monkey patching
# `urllib.request.open` causes us to end up in an infinite recursion
# during the test since `urllib.request.open` would monkeypatch itself.
return urllib.request.urlopen(url)

39
spotdl/encode/encode_base.py
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@@ -26,8 +26,18 @@ from spotdl.encode.exceptions import EncoderNotFoundError
class EncoderBase(ABC):
"""
Defined encoders must inherit from this abstract base class
and implement their own functionality for the below defined
methods.
"""
@abstractmethod
def __init__(self, encoder_path, loglevel, additional_arguments):
def __init__(self, encoder_path, loglevel, additional_arguments=[]):
"""
This method must make sure whether specified encoder
is available under PATH.
"""
if shutil.which(encoder_path) is None:
raise EncoderNotFoundError(
"{} executable does not exist or was not found in PATH.".format(
@@ -40,26 +50,51 @@ class EncoderBase(ABC):
@abstractmethod
def set_argument(self, argument):
"""
This method must be used to set any custom functionality
for the encoder by passing arguments to it.
"""
self._additional_arguments += argument.split()
@abstractmethod
def get_encoding(self, filename):
"""
This method must determine the encoding for a local
audio file. Such as "mp3", "wav", "m4a", etc.
"""
_, extension = os.path.splitext(filename)
# Ignore the initial dot from file extension
return extension[1:]
@abstractmethod
def set_debuglog(self):
"""
This method must enable verbose logging in the defined
encoder.
"""
pass
@abstractmethod
def _generate_encode_command(self, input_file, output_file):
"""
This method must the complete command for that would be
used to invoke the encoder and perform the encoding.
"""
pass
@abstractmethod
def _generate_encoding_arguments(self, input_encoding, output_encoding):
"""
This method must return the core arguments for the defined
encoder such as defining the sample rate, audio bitrate,
etc.
"""
pass
@abstractmethod
def re_encode(self, input_encoding, output_encoding):
def re_encode(self, input_file, output_file):
"""
This method must invoke FFmpeg to encode a given input
file to a specified output file.
"""
pass

26
spotdl/encode/encoders/ffmpeg.py
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@@ -60,9 +60,12 @@ class EncoderFFmpeg(EncoderBase):
def set_debuglog(self):
self._loglevel = "-loglevel debug"
def _generate_encode_command(self, input_file, output_file):
input_encoding = self.get_encoding(input_file)
output_encoding = self.get_encoding(output_file)
def _generate_encode_command(self, input_file, output_file,
input_encoding=None, output_encoding=None):
if input_encoding is None:
input_encoding = self.get_encoding(input_file)
if output_encoding is None:
output_encoding = self.get_encoding(output_file)
arguments = self._generate_encoding_arguments(
input_encoding,
output_encoding
@@ -82,9 +85,20 @@ class EncoderFFmpeg(EncoderBase):
input_file,
output_file
)
returncode = subprocess.call(encode_command)
encode_successful = returncode == 0
process = subprocess.Popen(encode_command)
process.wait()
encode_successful = process.returncode == 0
if encode_successful and delete_original:
os.remove(input_file)
return process
def re_encode_from_stdin(self, input_encoding, output_file):
output_encoding = self.get_encoding(output_file)
encode_command = self._generate_encode_command(
"-",
output_file,
input_encoding=input_encoding,
)
process = subprocess.Popen(encode_command)
return process
return returncode

15
spotdl/lyrics/lyric_base.py
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@@ -5,10 +5,25 @@ from abc import abstractmethod
class LyricBase(ABC):
"""
Defined lyric providers must inherit from this abstract base
class and implement their own functionality for the below
defined methods.
"""
@abstractmethod
def __init__(self, artist, track):
"""
This method must set any protected attributes,
which may be modified from outside the class
if the need arises.
"""
pass
@abstractmethod
def get_lyrics(self, linesep="\n", timeout=None):
"""
This method must return the lyrics string for the
given track.
"""
pass

20
spotdl/lyrics/providers/genius.py
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@@ -14,6 +14,11 @@ class Genius(LyricBase):
self.base_url = BASE_URL
def _guess_lyric_url(self):
"""
Returns the possible lyric URL for the track available
on Genius. This may not always be a valid URL, but this
is apparently the best we can do at the moment?
"""
query = "/{} {} lyrics".format(self.artist, self.track)
query = query.replace(" ", "-")
encoded_query = urllib.request.quote(query)
@@ -21,6 +26,10 @@ class Genius(LyricBase):
return lyric_url
def _fetch_page(self, url, timeout=None):
"""
Makes a GET request to the given URL and returns the
HTML content in the case of a valid response.
"""
request = urllib.request.Request(url)
request.add_header("User-Agent", "urllib")
try:
@@ -35,14 +44,23 @@ class Genius(LyricBase):
return response.read()
def _get_lyrics_text(self, html):
"""
Extracts and returns the lyric content from the
provided HTML.
"""
soup = BeautifulSoup(html, "html.parser")
lyrics_paragraph = soup.find("p")
if lyrics_paragraph:
return lyrics_paragraph.get_text()
else:
raise LyricsNotFoundError("The lyrics for this track are yet to be released.")
raise LyricsNotFoundError(
"The lyrics for this track are yet to be released."
)
def get_lyrics(self, linesep="\n", timeout=None):
"""
Returns the lyric string for the given artist and track.
"""
url = self._guess_lyric_url()
html_page = self._fetch_page(url, timeout=timeout)
lyrics = self._get_lyrics_text(html_page)

3
spotdl/lyrics/providers/lyricwikia_wrapper.py
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@@ -10,6 +10,9 @@ class LyricWikia(LyricBase):
self.track = track
def get_lyrics(self, linesep="\n", timeout=None):
"""
Returns the lyric string for the given artist and track.
"""
try:
lyrics = lyricwikia.get_lyrics(self.artist, self.track, linesep, timeout)
except lyricwikia.LyricsNotFound as e:

2
spotdl/metadata/__init__.py Normal file
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@@ -0,0 +1,2 @@
from spotdl.metadata.metadata_base import MetadataBase
from spotdl.metadata.metadata_base import StreamsBase

69
spotdl/metadata/metadata_base.py Normal file
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@@ -0,0 +1,69 @@
from abc import ABC
from abc import abstractmethod
class StreamsBase(ABC):
@abstractmethod
def __init__(self, streams):
"""
This method must parse audio streams into a list of
dictionaries with the keys:
"bitrate", "download_url", "encoding", "filesize".
The list should typically be sorted in descending order
based on the audio stream's bitrate.
This sorted list must be assigned to `self.all`.
"""
self.all = streams
@abstractmethod
def getbest(self):
"""
This method must return the audio stream with the
highest bitrate.
"""
return self.all[0]
@abstractmethod
def getworst(self):
"""
This method must return the audio stream with the
lowest bitrate.
"""
return self.all[-1]
class MetadataBase(ABC):
def set_credentials(self, client_id, client_secret):
"""
This method may or not be used depending on
whether the metadata provider requires authentication
or not.
"""
pass
@abstractmethod
def from_url(self, url):
"""
This method must return track metadata from the
corresponding Spotify URL.
"""
pass
@abstractmethod
def from_query(self, query):
"""
This method must return track metadata from the
corresponding search query.
"""
pass
@abstractmethod
def metadata_to_standard_form(self, metadata):
"""
This method must transform the fetched metadata
into a format consistent with all other metadata
providers, for easy utilization.
"""
pass

2
spotdl/metadata/providers/__init__.py Normal file
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@@ -0,0 +1,2 @@
from spotdl.metadata.providers.spotify import MetadataSpotify
from spotdl.metadata.providers.youtube import MetadataYouTube

66
spotdl/metadata/providers/spotify.py Normal file
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@@ -0,0 +1,66 @@
import spotipy
import spotipy.oauth2 as oauth2
from spotdl.metadata import MetadataBase
class MetadataSpotify(MetadataBase):
def __init__(self, spotify=None):
self.spotify = spotify
def set_credentials(self, client_id, client_secret):
token = self._generate_token(client_id, client_secret)
self.spotify = spotipy.Spotify(auth=token)
def from_url(self, url):
metadata = self.spotify.track(url)
return self.metadata_to_standard_form(metadata)
def from_query(self, query):
metadata = self.spotify.search(query, limit=1)["tracks"]["items"][0]
return self.metadata_to_standard_form(metadata)
def _generate_token(self, client_id, client_secret):
""" Generate the token. """
credentials = oauth2.SpotifyClientCredentials(
client_id=client_id,
client_secret=client_secret,
)
token = credentials.get_access_token()
return token
def _titlecase(self, string):
return " ".join(word.capitalize() for word in string.split())
def metadata_to_standard_form(self, metadata):
artist = self.spotify.artist(metadata["artists"][0]["id"])
album = self.spotify.album(metadata["album"]["id"])
try:
metadata[u"genre"] = self._titlecase(artist["genres"][0])
except IndexError:
metadata[u"genre"] = None
try:
metadata[u"copyright"] = album["copyrights"][0]["text"]
except IndexError:
metadata[u"copyright"] = None
try:
metadata[u"external_ids"][u"isrc"]
except KeyError:
metadata[u"external_ids"][u"isrc"] = None
metadata[u"release_date"] = album["release_date"]
metadata[u"publisher"] = album["label"]
metadata[u"total_tracks"] = album["tracks"]["total"]
# Some sugar
metadata["year"], *_ = metadata["release_date"].split("-")
metadata["duration"] = metadata["duration_ms"] / 1000.0
metadata["provider"] = "spotify"
# Remove unwanted parameters
del metadata["duration_ms"]
del metadata["available_markets"]
del metadata["album"]["available_markets"]
return metadata

140
spotdl/metadata/providers/youtube.py Normal file
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@@ -0,0 +1,140 @@
import pytube
from bs4 import BeautifulSoup
import urllib.request
from spotdl.metadata import StreamsBase
from spotdl.metadata import MetadataBase
BASE_URL = "https://www.youtube.com/results?sp=EgIQAQ%253D%253D&q={}"
class YouTubeSearch:
def __init__(self):
self.base_url = BASE_URL
def generate_search_url(self, query):
quoted_query = urllib.request.quote(query)
return self.base_url.format(quoted_query)
def _fetch_response_html(self, url):
response = urllib.request.urlopen(url)
soup = BeautifulSoup(response.read(), "html.parser")
return soup
def _fetch_search_results(self, html):
results = html.find_all(
"div", {"class": "yt-lockup-dismissable yt-uix-tile"}
)
return results
def _is_video(self, result):
# ensure result is not a channel
not_video = (
result.find("channel") is not None
or "yt-lockup-channel" in result.parent.attrs["class"]
or "yt-lockup-channel" in result.attrs["class"]
)
# ensure result is not a mix/playlist
not_video = not_video or "yt-lockup-playlist" in result.parent.attrs["class"]
# ensure video result is not an advertisement
not_video = not_video or result.find("googleads") is not None
video = not not_video
return video
def _parse_video_id(self, result):
details = result.find("div", class_="yt-lockup-content")
video_id = details.find("a")["href"][-11:]
return video_id
def search(self, query, limit=10, tries_remaining=5):
""" Search and scrape YouTube to return a list of matching videos. """
# prevents an infinite loop but allows for a few retries
if tries_remaining == 0:
# log.debug("No tries left. I quit.")
return
search_url = self.generate_search_url(query)
# log.debug("Opening URL: {0}".format(search_url))
html = self._fetch_response_html(search_url)
videos = []
for result in self._fetch_search_results(html):
if not self._is_video(result):
continue
if len(videos) >= limit:
break
video_id = self._parse_video_id(result)
videos.append("https://www.youtube.com/watch?v=" + video_id)
return videos
class YouTubeStreams(StreamsBase):
def __init__(self, streams):
audiostreams = streams.filter(only_audio=True).order_by("abr").desc()
self.all = [{
"bitrate": int(stream.abr[:-4]),
"download_url": stream.url,
"encoding": stream.audio_codec,
"filesize": stream.filesize,
} for stream in audiostreams]
def getbest(self):
return self.all[0]
def getworst(self):
return self.all[-1]
class MetadataYouTube(MetadataBase):
def from_query(self, query):
watch_urls = YouTubeSearch().search(query)
return self.from_url(watch_urls[0])
def from_url(self, url):
content = pytube.YouTube(url)
return self.from_pytube_object(content)
def from_pytube_object(self, content):
return self.metadata_to_standard_form(content)
def _fetch_publish_date(self, content):
# FIXME: This needs to be supported in PyTube itself
# See https://github.com/nficano/pytube/issues/595
position = content.watch_html.find("publishDate")
publish_date = content.watch_html[position+16:position+25]
return publish_date
def metadata_to_standard_form(self, content):
""" Fetch a song's metadata from YouTube. """
streams = []
publish_date = self._fetch_publish_date(content)
metadata = {
"name": content.title,
"artists": [{"name": content.author}],
"duration": content.length,
"external_urls": {"youtube": content.watch_url},
"album": {
"images": [{"url": content.thumbnail_url}],
"artists": [{"name": None}],
"name": None,
},
"year": publish_date.split("-")[0],
"release_date": publish_date,
"type": "track",
"disc_number": 1,
"track_number": 1,
"total_tracks": 1,
"publisher": None,
"external_ids": {"isrc": None},
"lyrics": None,
"copyright": None,
"genre": None,
"streams": YouTubeStreams(content.streams),
"provider": "youtube",
}
return metadata

64
spotdl/patch/patcher.py
View File

@@ -1,64 +0,0 @@
from pafy import backend_youtube_dl
import pafy
from spotdl import internals
def _getbestthumb(self):
url = self._ydl_info["thumbnails"][0]["url"]
if url:
return url
part_url = "https://i.ytimg.com/vi/%s/" % self.videoid
# Thumbnail resolution sorted in descending order
thumbs = (
"maxresdefault.jpg",
"sddefault.jpg",
"hqdefault.jpg",
"mqdefault.jpg",
"default.jpg",
)
for thumb in thumbs:
url = part_url + thumb
if self._content_available(url):
return url
def _process_streams(self):
for format_index in range(len(self._ydl_info["formats"])):
try:
self._ydl_info["formats"][format_index]["url"] = self._ydl_info["formats"][
format_index
]["fragment_base_url"]
except KeyError:
pass
return backend_youtube_dl.YtdlPafy._old_process_streams(self)
@classmethod
def _content_available(cls, url):
return internals.content_available(url)
class PatchPafy:
"""
These patches have not been released by pafy on PyPI yet but
are useful to us.
"""
def patch_getbestthumb(self):
# https://github.com/mps-youtube/pafy/pull/211
pafy.backend_shared.BasePafy._bestthumb = None
pafy.backend_shared.BasePafy._content_available = _content_available
pafy.backend_shared.BasePafy.getbestthumb = _getbestthumb
def patch_process_streams(self):
# https://github.com/mps-youtube/pafy/pull/230
backend_youtube_dl.YtdlPafy._old_process_streams = (
backend_youtube_dl.YtdlPafy._process_streams
)
backend_youtube_dl.YtdlPafy._process_streams = _process_streams
def patch_insecure_streams(self):
# https://github.com/mps-youtube/pafy/pull/235
pafy.g.def_ydl_opts["prefer_insecure"] = False