Files
spotify-downloader/spotdl/command_line/lib.py
2020-05-03 16:34:49 +05:30

402 lines
14 KiB
Python

from spotdl.metadata.providers import ProviderSpotify
from spotdl.metadata.providers import ProviderYouTube
from spotdl.metadata.providers import YouTubeSearch
from spotdl.metadata.embedders import EmbedderDefault
from spotdl.metadata.exceptions import SpotifyMetadataNotFoundError
import spotdl.metadata
from spotdl.encode.encoders import EncoderFFmpeg
from spotdl.encode.encoders import EncoderAvconv
from spotdl.lyrics.providers import LyricWikia
from spotdl.lyrics.providers import Genius
from spotdl.lyrics.exceptions import LyricsNotFoundError
from spotdl.authorize.services import AuthorizeSpotify
from spotdl.track import Track
import spotdl.util
import spotdl.config
from spotdl.command_line.exceptions import NoYouTubeVideoError
import sys
import os
import urllib.request
import logging
logger = logging.getLogger(name=__name__)
def search_lyrics(query):
provider = Genius()
try:
lyrics = provider.from_query(query)
except LyricsNotFoundError:
lyrics = None
return lyrics
def search_metadata_on_spotify(query):
provider = ProviderSpotify()
try:
metadata = provider.from_query(query)
except SpotifyMetadataNotFoundError:
metadata = {}
return metadata
def prompt_for_youtube_search_result(videos):
print("0. Skip downloading this track", file=sys.stderr)
for index, video in enumerate(videos, 1):
video_repr = "{index}. {title} ({url}) [{duration}]".format(
index=index,
title=video["title"],
url=video["url"],
duration=video["duration"],
)
print(video_repr, file=sys.stderr)
selection = spotdl.util.prompt_user_for_selection(range(1, len(videos)+1))
if selection is None:
return None
return videos[selection-1]
def search_metadata(track, search_format="{artist} - {track-name} lyrics", manual=False):
# TODO: Clean this function
youtube = ProviderYouTube()
youtube_searcher = YouTubeSearch()
if spotdl.util.is_spotify(track):
spotify = ProviderSpotify()
spotify_metadata = spotify.from_url(track)
lyric_query = spotdl.metadata.format_string(
"{artist} - {track-name}",
spotify_metadata,
)
search_query = spotdl.metadata.format_string(search_format, spotify_metadata)
youtube_videos = youtube_searcher.search(search_query)
if not youtube_videos:
raise NoYouTubeVideoError(
'No videos found for the search query: "{}"'.format(search_query)
)
if manual:
youtube_video = prompt_for_youtube_search_result(youtube_videos)
else:
youtube_video = youtube_videos.bestmatch()
if youtube_video is None:
metadata = spotify_metadata
else:
youtube_metadata = youtube.from_url(youtube_video["url"])
metadata = spotdl.util.merge(
youtube_metadata,
spotify_metadata
)
elif spotdl.util.is_youtube(track):
metadata = youtube.from_url(track)
lyric_query = spotdl.metadata.format_string(
"{artist} - {track-name}",
metadata,
)
else:
lyric_query = track
spotify_metadata = spotdl.util.ThreadWithReturnValue(
target=search_metadata_on_spotify,
args=(track,)
)
spotify_metadata.start()
youtube_videos = youtube_searcher.search(track)
if not youtube_videos:
raise NoYouTubeVideoError(
'No videos found for the search query: "{}"'.format(track)
)
if manual:
youtube_video = prompt_for_youtube_search_result(youtube_videos)
if youtube_video is None:
return
else:
youtube_video = youtube_videos.bestmatch()
if youtube_video is None:
metadata = spotify_metadata
else:
youtube_metadata = youtube.from_url(youtube_video["url"])
metadata = spotdl.util.merge(
youtube_metadata,
spotify_metadata.join()
)
logger.debug("Matched with: {title} ({url}) [{duration}]".format(
title=youtube_video["title"],
url=youtube_video["url"],
duration=youtube_video["duration"]
))
metadata["lyrics"] = spotdl.util.ThreadWithReturnValue(
target=search_lyrics,
args=(lyric_query,)
)
metadata["lyrics"].start()
return metadata
class Spotdl:
def __init__(self, arguments):
if "config" in arguments:
# Make sure we set the base configuration from the config file if
# the config file has been passed.
config = spotdl.util.merge(
spotdl.config.DEFAULT_CONFIGURATION["spotify-downloader"],
spotdl.config.get_config(arguments["config"])
)
else:
# If config file has not been passed, set the base configuration
# to the default confguration.
config = spotdl.config.DEFAULT_CONFIGURATION["spotify-downloader"]
self.arguments = spotdl.util.merge(config, arguments)
def __enter__(self):
return self
def __exit__(self, type, value, traceback):
del self
def match_arguments(self):
AuthorizeSpotify(
client_id=self.arguments["spotify_client_id"],
client_secret=self.arguments["spotify_client_secret"]
)
logger.debug("Received arguments: {}".format(self.arguments))
# youtube_tools.set_api_key()
if self.arguments["song"]:
for track in self.arguments["song"]:
if track == "-":
for line in sys.stdin:
self.download_track(
line,
self.arguments
)
else:
self.download_track(track)
elif self.arguments["list"]:
if self.arguments["write_m3u"]:
youtube_tools.generate_m3u(
track_file=self.arguments["list"]
)
else:
list_download = {
"synchronous": self.download_tracks_from_file,
"threaded" : self.download_tracks_from_file_threaded,
}[self.arguments["processor"]]
list_download(
self.arguments["list"],
)
elif self.arguments["playlist"]:
spotify_tools.write_playlist(
playlist_url=self.arguments["playlist"], text_file=self.arguments["write_to"]
)
elif self.arguments["album"]:
spotify_tools.write_album(
album_url=self.arguments["album"], text_file=self.arguments["write_to"]
)
elif self.arguments["all_albums"]:
spotify_tools.write_all_albums_from_artist(
artist_url=self.arguments["all_albums"], text_file=self.arguments["write_to"]
)
elif self.arguments["username"]:
spotify_tools.write_user_playlist(
username=self.arguments["username"], text_file=self.arguments["write_to"]
)
def download_track(self, track):
track_splits = track.split(":")
if len(track_splits) == 2:
youtube_track, spotify_track = track_splits
metadata = search_metadata(
track,
search_format=self.arguments["search_format"],
manual=self.arguments["manual"],
)
if "streams" in metadata:
self.download_track_from_metadata(metadata)
def download_track_from_metadata(self, metadata):
# TODO: Add `-m` flag
track = Track(metadata, cache_albumart=(not self.arguments["no_metadata"]))
stream = metadata["streams"].get(
quality=self.arguments["quality"],
preftype=self.arguments["input_ext"],
)
logger.debug("Stream information: {}".format(stream))
Encoder = {
"ffmpeg": EncoderFFmpeg,
"avconv": EncoderAvconv,
}.get(self.arguments["encoder"])
if Encoder is None:
output_extension = stream["encoding"]
else:
output_extension = self.arguments["output_ext"]
filename = spotdl.metadata.format_string(
self.arguments["output_file"],
metadata,
output_extension=output_extension,
sanitizer=lambda s: spotdl.util.sanitize(
s, spaces_to_underscores=self.arguments["no_spaces"]
)
)
logger.info('Downloading to "{filename}"'.format(filename=filename))
to_skip = self.arguments["dry_run"]
if not to_skip and os.path.isfile(filename):
if self.arguments["overwrite"] == "force":
to_skip = False
logger.info("A file with target filename already exists. Forcing overwrite.")
elif self.arguments["overwrite"] == "prompt":
overwrite_msg = "A file with target filename already exists. Overwrite? (y/N): "
to_skip = not input(overwrite_msg).lower() == "y"
else:
logger.info("A file with target filename already exists. Skipping download.")
to_skip = True
if to_skip:
return
if Encoder is None:
track.download(stream, filename)
else:
track.download_while_re_encoding(
stream,
filename,
target_encoding=output_extension,
encoder=Encoder()
)
if not self.arguments["no_metadata"]:
track.metadata["lyrics"] = track.metadata["lyrics"].join()
try:
logger.info("Applying metadata")
track.apply_metadata(filename, encoding=output_extension)
except TypeError:
logger.warning("Cannot apply metadata on provided output format.")
def download_tracks_from_file(self, path):
logger.info(
"Checking and removing any duplicate tracks in {}.".format(path)
)
with open(path, "r") as fin:
# Read tracks into a list and remove any duplicates
tracks = fin.read().splitlines()
# Remove duplicates and empty elements
# Also strip whitespaces from elements (if any)
spotdl.util.remove_duplicates(
tracks,
condition=lambda x: x,
operation=str.strip
)
# Overwrite file
with open(path, "w") as fout:
fout.writelines(tracks)
for number, track in enumerate(tracks, 1):
try:
metadata = search_metadata(track, self.arguments["search_format"])
log_track_query = str(number) + ". {artist} - {track-name}"
logger.info(log_track_query)
self.download_track_from_metadata(metadata)
except (urllib.request.URLError, TypeError, IOError) as e:
logger.exception(e.args[0])
logger.warning("Failed. Will retry after other songs\n")
tracks.append(track)
except NoYouTubeVideoError:
logger.warning("Failed. No YouTube video found.\n")
pass
else:
if self.arguments["write_successful"]:
with open(self.arguments["write_successful"], "a") as fout:
fout.write(track)
finally:
with open(path, "w") as fout:
fout.writelines(tracks[number-1:])
def download_tracks_from_file_threaded(self, path):
# FIXME: Can we make this function cleaner?
logger.info(
"Checking and removing any duplicate tracks in {}.".format(path)
)
with open(path, "r") as fin:
# Read tracks into a list and remove any duplicates
tracks = fin.read().splitlines()
# Remove duplicates and empty elements
# Also strip whitespaces from elements (if any)
spotdl.util.remove_duplicates(
tracks,
condition=lambda x: x,
operation=str.strip
)
# Overwrite file
with open(path, "w") as fout:
fout.writelines(tracks)
tracks_count = len(tracks)
current_iteration = 1
next_track = tracks.pop(0)
metadata = {
"current_track": None,
"next_track": spotdl.util.ThreadWithReturnValue(
target=search_metadata,
args=(next_track, self.arguments["search_format"])
)
}
metadata["next_track"].start()
while tracks_count > 0:
metadata["current_track"] = metadata["next_track"].join()
metadata["next_track"] = None
try:
print(tracks_count, file=sys.stderr)
print(tracks, file=sys.stderr)
if tracks_count > 1:
current_track = next_track
next_track = tracks.pop(0)
metadata["next_track"] = spotdl.util.ThreadWithReturnValue(
target=search_metadata,
args=(next_track, self.arguments["search_format"])
)
metadata["next_track"].start()
log_track_query = str(current_iteration) + ". {artist} - {track-name}"
logger.info(log_track_query)
if metadata["current_track"] is None:
logger.warning("Something went wrong. Will retry after downloading remaining tracks.")
pass
print(metadata["current_track"]["name"], file=sys.stderr)
# self.download_track_from_metadata(metadata["current_track"])
except (urllib.request.URLError, TypeError, IOError) as e:
logger.exception(e.args[0])
logger.warning("Failed. Will retry after other songs\n")
tracks.append(current_track)
else:
tracks_count -= 1
if self.arguments["write_successful"]:
with open(self.arguments["write_successful"], "a") as fout:
fout.write(current_track)
finally:
current_iteration += 1
with open(path, "w") as fout:
fout.writelines(tracks)