Files
spotify-downloader/spotdl.py
2017-06-02 13:42:22 +05:30

412 lines
13 KiB
Python

#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# Usual import stuff
from bs4 import BeautifulSoup
from shutil import copyfileobj
from sys import path, version_info
from slugify import slugify
from titlecase import titlecase
from mutagen.mp4 import MP4, MP4Cover
import spotipy
import eyed3
import requests
import pafy
import os
import argparse
import pathlib
import spotipy.oauth2 as oauth2
def getInputLink(links):
while True:
try:
the_chosen_one = int(raw_input('>> Choose your number: '))
if the_chosen_one >= 1 and the_chosen_one <= len(links):
return links[the_chosen_one - 1]
elif the_chosen_one == 0:
return None
else:
print('Choose a valid number!')
except ValueError:
print('Choose a valid number!')
# Check if input song is Spotify URL or just a song name
def isSpotify(raw_song):
if (len(raw_song) == 22 and raw_song.replace(" ", "%20")
== raw_song) or (raw_song.find('spotify') > -1):
return True
else:
return False
# [Artist] - [Song Name]
def generateSongName(raw_song):
if isSpotify(raw_song):
tags = generateMetaTags(raw_song)
raw_song = tags['artists'][0]['name'] + ' - ' + tags['name']
return raw_song
def generateMetaTags(raw_song):
try:
if isSpotify(raw_song):
return spotify.track(raw_song)
else:
return spotify.search(raw_song, limit=1)['tracks']['items'][0]
except BaseException:
return None
def generateSearchURL(song):
URL = "https://www.youtube.com/results?sp=EgIQAQ%253D%253D&q=" + \
song.replace(" ", "%20")
return URL
def generateYouTubeURL(raw_song):
song = generateSongName(raw_song)
searchURL = generateSearchURL(song)
items = requests.get(searchURL).text
items_parse = BeautifulSoup(items, "html.parser")
check = 1
if args.manual:
links = []
print(song)
print('')
print('0. Skip downloading this song')
for x in items_parse.find_all('h3', {'class': 'yt-lockup-title'}):
if not x.find('channel') == -1 or not x.find('googleads') == -1:
print(str(check) + '. ' + x.get_text())
links.append(x.find('a')['href'])
check += 1
print('')
result = getInputLink(links)
if result is None:
return None
else:
result = items_parse.find_all(
attrs={'class': 'yt-uix-tile-link'})[0]['href']
while not result.find('channel') == - \
1 or not result.find('googleads') == -1:
result = items_parse.find_all(
attrs={'class': 'yt-uix-tile-link'})[check]['href']
check += 1
full_link = "youtube.com" + result
return full_link
def goPafy(raw_song):
trackURL = generateYouTubeURL(raw_song)
if trackURL is None:
return None
else:
return pafy.new(trackURL)
def getYouTubeTitle(content, number):
title = content.title
if number is None:
return title
else:
return str(number) + '. ' + title
# Generate name for the song to be downloaded
def generateFileName(content):
title = (content.title).replace(' ', '_')
return slugify(title, ok='-_()[]{}', lower=False)
def downloadSong(content):
music_file = generateFileName(content)
if args.input_ext == '.webm':
link = content.getbestaudio(preftype='webm')
if link is not None:
link.download(filepath='Music/' + music_file + args.input_ext)
else:
link = content.getbestaudio(preftype="m4a")
if link is not None:
link.download(filepath="Music/" + music_file + ".m4a")
def convertToMP3(music_file):
if os.name == 'nt':
os.system(
'Scripts\\avconv.exe -loglevel 0 -i "' +
'Music/' +
music_file +
'.m4a" -ab 192k "' +
'Music/' +
music_file +
'.mp3"')
else:
os.system(
'avconv -loglevel 0 -i "' +
'Music/' +
music_file +
'.m4a" -ab 192k "' +
'Music/' +
music_file +
'.mp3"')
os.remove('Music/' + music_file + '.m4a')
def convertToM4A(music_file):
# Here we prefer downloading .webm (Opus) audio and encode as m4a
# in format prefered by iTunes - AAC (256k)
# We are using ffmpeg with fdk_aac code and cutoff at 18kHz
# python3 spotdl.py -i '.webm' -o '.m4a'
if args.quiet:
ffmpeg_pre = 'ffmpeg -hide_banner -nostats -v panic -y '
else:
ffmpeg_pre = 'ffmpeg -y '
os.system(ffmpeg_pre +
'-i "Music/' + music_file + args.input_ext + '" ' +
'-cutoff 18000 -c:a libfdk_aac -b:a 256k -vn ' +
'"Music/_' + music_file + args.output_ext + '" ')
os.remove('Music/' + music_file + args.input_ext)
def checkExists(music_file, raw_song, islist):
if os.path.exists("Music/" + music_file + ".m4a.temp"):
os.remove("Music/" + music_file + ".m4a.temp")
if args.no_convert:
extension = args.input_ext
else:
if os.path.exists('Music/' + music_file + args.input_ext):
os.remove('Music/' + music_file + args.input_ext)
extension = args.output_ext
if os.path.isfile("Music/" + music_file + extension):
if extension == '.mp3':
audiofile = eyed3.load("Music/" + music_file + extension)
if isSpotify(raw_song) and not audiofile.tag.title == (
generateMetaTags(raw_song))['name']:
os.remove("Music/" + music_file + extension)
return False
if islist:
return True
else:
prompt = raw_input(
'Song with same name has already been downloaded. Re-download? (y/n): ').lower()
if prompt == "y":
os.remove("Music/" + music_file + extension)
return False
else:
return True
# Remove song from list.txt once downloaded
def trimSong(file):
with open(file, 'r') as fin:
data = fin.read().splitlines(True)
with open(file, 'w') as fout:
fout.writelines(data[1:])
def fixSong(music_file, meta_tags):
audiofile = eyed3.load("Music/" + music_file + '.mp3')
audiofile.tag.artist = meta_tags['artists'][0]['name']
audiofile.tag.album_artist = meta_tags['artists'][0]['name']
audiofile.tag.album = meta_tags['album']['name']
audiofile.tag.title = meta_tags['name']
audiofile.tag.track_num = meta_tags['track_number']
audiofile.tag.disc_num = meta_tags['disc_number']
audiofile.tag.release_date = spotify.album(
meta_tags['album']['id'])['release_date']
albumart = (
requests.get(
meta_tags['album']['images'][0]['url'],
stream=True)).raw
with open('last_albumart.jpg', 'wb') as out_file:
copyfileobj(albumart, out_file)
albumart = open("last_albumart.jpg", "rb").read()
audiofile.tag.images.set(3, albumart, "image/jpeg")
audiofile.tag.save(version=(2, 3, 0))
def fixSongM4A(music_file, meta_tags):
# eyed serves only mp3 not aac so using mutagen
# Apple has specific tags - see mutagen docs -
# http://mutagen.readthedocs.io/en/latest/api/mp4.html
tags = {'album': '\xa9alb',
'artist': '\xa9ART',
'year': '\xa9day',
'title': '\xa9nam',
'comment': '\xa9cmt',
'group': '\xa9grp',
'writer': '\xa9wrt',
'genre': '\xa9gen',
'track': 'trkn',
'aart': 'aART',
'disk': 'disk',
'cpil': 'cpil',
'tempo': 'tmpo'}
audiofile = MP4('Music/_' + music_file + args.output_ext)
audiofile[tags['artist']] = meta_tags['artists'][0]['name']
audiofile[tags['album']] = meta_tags['album']['name']
audiofile[tags['title']] = meta_tags['name']
artist = spotify.artist(meta_tags['artists'][0]['id'])
audiofile[tags['genre']] = titlecase(artist['genres'][0])
album = spotify.album(meta_tags['album']['id'])
audiofile[tags['year']] = album['release_date']
audiofile[tags['track']] = [(meta_tags['track_number'], 0)]
albumart = (
requests.get(meta_tags['album']['images'][0]['url'], stream=True)).raw
with open('last_albumart.jpg', 'wb') as out_file:
copyfileobj(albumart, out_file)
with open("last_albumart.jpg", "rb") as f:
audiofile["covr"] = [
MP4Cover(
f.read(),
imageformat=MP4Cover.FORMAT_JPEG)]
audiofile.save()
# Logic behind preparing the song to download to finishing meta-tags
def grabSingle(raw_song, number=None):
if number:
islist = True
else:
islist = False
content = goPafy(raw_song)
if content is None:
return
print(getYouTubeTitle(content, number))
music_file = generateFileName(content)
if not checkExists(music_file, raw_song, islist=islist):
downloadSong(content)
print('')
if not args.no_convert:
print('Converting ' + music_file + '.m4a to mp3')
if args.output_ext == '.m4a':
convertToM4A(music_file)
meta_tags = generateMetaTags(raw_song)
if meta_tags is not None:
print('Fixing meta-tags')
fixSongM4A(music_file, meta_tags)
else:
convertToMP3(music_file)
meta_tags = generateMetaTags(raw_song)
if meta_tags is not None:
print('Fixing meta-tags')
fixSong(music_file, meta_tags)
# Fix python2 encoding issues
def fixEncoding(query):
if version_info > (3, 0):
return query
else:
return query.encode('utf-8')
def grabList(file):
lines = open(file, 'r').read()
lines = lines.splitlines()
# Ignore blank lines in list.txt (if any)
try:
lines.remove('')
except ValueError:
pass
print('Total songs in list = ' + str(len(lines)) + ' songs')
print('')
# Count the number of song being downloaded
number = 1
for raw_song in lines:
try:
grabSingle(raw_song, number=number)
trimSong(file)
number += 1
print('')
except KeyboardInterrupt:
graceQuit()
except BaseException:
lines.append(raw_song)
trimSong(file)
with open(file, 'a') as myfile:
myfile.write(raw_song)
print('Failed to download song. Will retry after other songs.')
def getArgs(argv=None):
parser = argparse.ArgumentParser(description='Download and convert songs \
from Spotify, Youtube etc.',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('-n', '--no-convert', default=False,
help='skip the conversion process and meta-tags', action='store_true')
parser.add_argument('-m', '--manual', default=False,
help='choose the song to download manually', action='store_true')
parser.add_argument('-l', '--list', default=False,
help='download songs present in list.txt', action='store_true')
parser.add_argument('-q', '--quiet', default=False,
help='spare us output of ffmpeg conversion', action='store_true')
parser.add_argument('-i', '--input_ext', default='.m4a',
help='prefered input format .m4a or .webm (Opus)')
parser.add_argument('-o', '--output_ext', default='.mp3',
help='prefered output extension .mp3 or .m4a (AAC)')
return parser.parse_args(argv)
def graceQuit():
print('')
print('')
print('Exitting..')
exit()
if __name__ == '__main__':
# Python 3 compatibility
if version_info > (3, 0):
raw_input = input
eyed3.log.setLevel("ERROR")
os.chdir(path[0])
if not os.path.exists("Music"):
os.makedirs("Music")
open('list.txt', 'a').close()
# Please respect this user token :)
oauth2 = oauth2.SpotifyClientCredentials(client_id='4fe3fecfe5334023a1472516cc99d805',
client_secret='0f02b7c483c04257984695007a4a8d5c')
token = oauth2.get_access_token()
spotify = spotipy.Spotify(auth=token)
# Set up arguments
args = getArgs()
if args.no_convert:
print("-n, --no-convert skip the conversion process and meta-tags")
if args.manual:
print("-m, --manual choose the song to download manually")
print('')
if args.list:
grabList(file='list.txt')
exit()
while True:
for temp in os.listdir('Music/'):
if temp.endswith('.m4a.temp'):
os.remove('Music/' + temp)
try:
print('Enter a Spotify URL or Song Name: ')
command = raw_input('>> ')
print('')
grabSingle(raw_song=command)
print('')
except KeyboardInterrupt:
graceQuit()