Files
spotify-downloader/spotdl/lyrics/providers/genius.py
2020-03-22 21:44:04 +05:30

68 lines
2.2 KiB
Python

from bs4 import BeautifulSoup
import urllib.request
from spotdl.lyrics.lyric_base import LyricBase
from spotdl.lyrics.exceptions import LyricsNotFoundError
BASE_URL = "https://genius.com"
class Genius(LyricBase):
def __init__(self, artist, track):
self.artist = artist
self.track = track
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)
lyric_url = self.base_url + encoded_query
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:
response = urllib.request.urlopen(request, timeout=timeout)
except urllib.request.HTTPError:
raise LyricsNotFoundError(
"Could not find lyrics for {} - {} at URL: {}".format(
self.artist, self.track, url
)
)
else:
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."
)
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)
return lyrics.replace("\n", linesep)