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PlaylistFileStrategy.py
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PlaylistFileStrategy.py
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import abc # Python's built-in abstract class library
import os
import re
from concurrent.futures import as_completed
from concurrent.futures.thread import ThreadPoolExecutor
import spotipy
import spotipy.oauth2 as oauth2
import youtube_dl
from bs4 import BeautifulSoup
import urllib
# Strategy Pattern
class PlaylistFileStrategyAbstract(object):
"""You do not need to know about metaclasses.
Just know that this is how you define abstract
classes in Python."""
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def load_playlist(self, *args, **kwargs):
"""Required Method
:param args: args based on the specific strategy
:param kwargs: kwargs based on the specific strategy
"""
@abc.abstractmethod
def download_song(self, *args, **kwargs):
"""Required Method
:param args: args based on the specific strategy
:param kwargs: kwargs based on the specific strategy
"""
class SongNamePlaylistFile(PlaylistFileStrategyAbstract):
"""
Strategy used when there no link only a song name
"""
def __init__(self):
super(SongNamePlaylistFile, self).__init__()
self.loaded_playlist = None
def load_playlist(self, fname, decode="\n"):
"""
:param fname:
:param decode:
:return:
"""
if os.path.isfile(fname) and not self.loaded_playlist is None:
with open(fname) as fp:
lines = fp.read().split(decode) # Create a list containing all lines
self.loaded_playlist = lines
return self.loaded_playlist
def download_song(self, link, out=".", quality=1):
"""
TODO change this to a youtube-dl python function
youtube-dl can do this also
:param link:
:param out:
:param quality:
:return:
"""
try:
os.subprocess.call(
["youtube-dl", "--extract-audio", "--audio-format", "mp3", "--audio-quality", str(quality), "-o",
"{}/%(title)s.%(ext)s".format(out), link, "--no-playlist", "-i", "--default-search", "ytsearch", "-q", "--no-progress "])
except Exception as e:
ydl_opts = {
'outtmpl': "{}/%(title)s.%(ext)s".format(out),
'verbose': False,
'format': 'bestaudio/best',
'postprocessors': [{
'key': 'FFmpegExtractAudio',
'preferredcodec': 'mp3',
'preferredquality': '192',
}],
}
with youtube_dl.YoutubeDL(ydl_opts) as ydl:
ydl.download([link])
class SoundCloudPlaylistFile(PlaylistFileStrategyAbstract):
"""
Strategy used for soundcloud link
"""
def __init__(self):
super(SoundCloudPlaylistFile, self).__init__()
self.loaded_playlist = None
def load_playlist(self, fname, decode="\n"):
"""
:param fname:
:param decode:
:return:
"""
if os.path.isfile(fname) and not self.loaded_playlist is None:
with open(fname) as fp:
lines = fp.read().split(decode) # Create a list containing all lines
self.loaded_playlist = lines
return self.loaded_playlist
def download_song(self, link, out="."):
"""
TODO change this to a scdl python function
youtube-dl can do this also
:param link:
:param out:
:return:
"""
try:
os.subprocess.call(["scdl", "-l", link, "--path", out, "--onlymp3", "-c", "--error", "--remove"])
except Exception as e:
try:
os.subprocess.call(["youtube-dl", "--extract-audio", "--audio-format", "mp3", "-o",
"{}/%(title)s.%(ext)s".format(out), link, "--no-playlist", "-i", "--default-search", "ytsearch",
"-q", "--no-progress "])
except Exception as e:
ydl_opts = {
'outtmpl': "{}/%(title)s.%(ext)s".format(out),
'verbose': False,
'format': 'bestaudio/best',
'postprocessors': [{
'key': 'FFmpegExtractAudio',
'preferredcodec': 'mp3',
'preferredquality': '192',
}],
}
with youtube_dl.YoutubeDL(ydl_opts) as ydl:
ydl.download([link])
class YoutubePlaylistFile(PlaylistFileStrategyAbstract):
"""
Strategy used for youtube link (normal video or playlist)
"""
def __init__(self):
super(YoutubePlaylistFile, self).__init__()
self.loaded_playlist = None
def load_playlist(self, fname, decode="\n"):
"""
:param fname:
:param decode:
:return:
"""
if os.path.isfile(fname) and not self.loaded_playlist:
with open(fname) as fp:
lines = fp.read().split(decode) # Create a list containing all lines
self.loaded_playlist = lines
return self.loaded_playlist
def download_song(self, link, out=".", quality=1):
"""
# TODO fix error or use the console method or put subprocess
:param link:
:param out:
:param quality:
:return:
"""
try:
os.subprocess.call(
["youtube-dl", "--extract-audio", "--audio-format", "mp3", "--audio-quality", str(quality), "-o",
"{}/%(title)s.%(ext)s".format(out), link, "-i", "-q", "--no-progress "])
except Exception as e:
ydl_opts = {
'outtmpl': "{}/%(title)s.%(ext)s".format(out),
'verbose': False,
'format': 'bestaudio/best',
'postprocessors': [{
'key': 'FFmpegExtractAudio',
'preferredcodec': 'mp3',
'preferredquality': '192',
}],
}
with youtube_dl.YoutubeDL(ydl_opts) as ydl:
ydl.download([link])
@staticmethod
def write_youtube_playlist(url, out):
"""
:param url:
:param out:
:return:
"""
page = urllib.request.urlopen(url)
soup = BeautifulSoup(page.read(), "html.parser")
href_tags = soup.find_all('a', {'class': 'pl-video-title-link'}, href=True)
with open(out, 'w') as f:
for i in href_tags:
f.write("%s%s\n" % ("https://www.youtube.com", i['href']))
f.close()
@staticmethod
def clean_y_dl():
"""
TODO remove this method
:return:
"""
current = os.listdir('.')
for file in current:
if file.endswith(("mkv", "webm", ".part")):
os.remove(file)
class SpotifyPlaylistFile(PlaylistFileStrategyAbstract):
"""
Strategy used for spotify link (playlist)
"""
def __init__(self, spotipyid=None, spotipysecret=None) -> None:
super(SpotifyPlaylistFile).__init__()
self.loaded_playlist = None
self.spotipyid = spotipyid
self.spotipysecret = spotipysecret
@staticmethod
def login_spotipy(client_id, client_secret):
"""
:param client_id:
:param client_secret:
:return:
"""
credentials = oauth2.SpotifyClientCredentials(
client_id=client_id,
client_secret=client_secret
)
token = credentials.get_access_token()
sp = spotipy.Spotify(auth=token)
return sp
def load_playlist(self, playlist, spotipyid=None, spotipysecret=None):
"""
:param playlist:
:param spotipyid:
:param spotipysecret:
:return:
"""
if spotipyid is None:
spotipyid = self.spotipyid
if spotipysecret is None:
spotipysecret = self.spotipysecret
spotipy = self.login_spotipy(spotipyid, spotipysecret)
if os.path.isfile(str(playlist)):
return self.load_playlist_file(playlist, spotipy=spotipy)
else:
return self.load_playlist_spotify(playlist, spotipy=spotipy)
def load_playlist_spotify(self, playlist, spotipy=None):
"""
:param playlist:
:param spotipy:
:return:
"""
if spotipy is None:
spotipy = self.login_spotipy(self.spotipyid, self.spotipysecret)
username = self.get_username_id(playlist)
playlist_id = self.get_playlist_id(playlist)
print(username, spotipy.user_playlist(username, playlist_id)['name'])
tracks = self.tracks_playlist(spotipy, username, playlist_id)
return tracks
def load_playlist_file(self, playlist, spotipy=None):
"""
:param playlist:
:param spotipy:
:return:
"""
if spotipy is None:
spotipy = self.login_spotipy(self.spotipyid, self.spotipysecret)
all_tracks = []
if os.path.isfile(playlist) and not self.loaded_playlist:
with open(playlist) as fp:
lines = fp.read().split("\n") # Create a list containing all lines
for link in lines:
username = self.get_username_id(link)
playlist_id = self.get_playlist_id(link)
print(username, spotipy.user_playlist(username, playlist_id)['name'])
tracks = self.tracks_playlist(spotipy, username, playlist_id)
for track in tracks:
all_tracks.append(track)
self.loaded_playlist = all_tracks
return self.loaded_playlist
@staticmethod
def tracks_playlist(sp, username, playlist_id):
"""
:param sp:
:param username:
:param playlist_id:
:return:
"""
results = sp.user_playlist_tracks(username, playlist_id)
tracks = results['items']
songs_title = []
while results['next']:
results = sp.next(results)
tracks.extend(results['items'])
for track in tracks:
songs_title.append("%s %s" % (str(track['track']['artists'][0]['name']), str(track['track']['name'])))
return songs_title
def download_song(self, name, out=".", quality=5):
"""
:param name:
:param out:
:param quality:
:return:
"""
try:
os.subprocess.call(
["youtube-dl", "--extract-audio", "--audio-format", "mp3", "--audio-quality", str(quality), "-o",
"{}/%(title)s.%(ext)s".format(out), name, "--no-playlist", "-i", "--default-search", "ytsearch", "-q", "--no-progress "])
except Exception as e:
ydl_opts = {
'outtmpl': "{}/%(title)s.%(ext)s".format(out),
'verbose': False,
'format': 'bestaudio/best',
'postprocessors': [{
'key': 'FFmpegExtractAudio',
'preferredcodec': 'mp3',
'preferredquality': '192',
}],
}
with youtube_dl.YoutubeDL(ydl_opts) as ydl:
ydl.download([name])
def download_playlist(self, name, out=".", quality=5):
"""
:param name:
:param out:
:param quality:
:return:
"""
if not os.path.exists(str(out)):
os.mkdir(str(out))
playlist = self.load_playlist(name)
for i, name in enumerate(playlist):
with ThreadPoolExecutor() as executor:
exe_results = [executor.submit(self.download_song, name, out, quality)]
for exe in as_completed(exe_results):
try:
data = exe.result()
except Exception as e:
data = exe.result()
print(data)
print(" (%d/%d) %s" % (i + 1, len(playlist), name))
@staticmethod
def get_username_id(link):
"""
http://www.txt2re.com
:param link:
:return:
"""
regex_id = '.*?(?:[a-z][a-z]+).*?(?:[a-z][a-z]+).*?(?:[a-z][a-z]+).*?(?:[a-z][a-z]+).*?(?:[a-z][a-z]+).*?((?:[a-z][a-z]+))'
rg = re.compile(regex_id,re.IGNORECASE | re.DOTALL)
result = rg.search(link)
if result:
return result.group(1)
else:
return ''
@staticmethod
def get_playlist_id(link):
"""
http://www.txt2re.com
:param link:
:return:
"""
regex_id = '.*?(\\d+)((?:[a-z][a-z]*[0-9]+[a-z0-9]*))' # Non-greedy match on filler
rg = re.compile(regex_id, re.IGNORECASE | re.DOTALL)
result = rg.search(link)
if result:
return result.group(1) + result.group(2)
else:
return -1