Genius lyrics parser (it works!)
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genius.py
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56
genius.py
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import re
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from lxml import html, etree # type: ignore
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import urllib3
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# Matches not only latin symbols,
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# but also cyrillic alphabet, Chinese hyeroglyphics...
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word_regex = re.compile(r'\w+')
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# Get all <div>s with lyrics
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lyrics_xpath = etree.XPath('//div[@id="lyrics-root"][1]/div[@data-lyrics-container="true"]')
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# Get <br>s to add newlines after them for correct text parsing
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br_xpath = etree.XPath('.//br')
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def search(http: urllib3.PoolManager, title: str, artist: str) -> str:
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'''Searches for Genius lyrics using SearXNG + Yahoo and returns the first URL.
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Irrelevant texts should be picked manually'''
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resp = http.request(
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'GET',
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'https://searx.dc09.ru/search',
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fields={
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'q': artist + ' ' + title + ' site:genius.com',
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'engines': 'yahoo',
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'safesearch': '0',
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'format': 'json',
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},
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)
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result: dict[str, str] = resp.json()['results'][0]
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del resp
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return result['url']
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def parse(http: urllib3.PoolManager, url: str) -> str:
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'''Requests a lyrics page and parses with libxml2,
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leaving only text and line breaks'''
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resp = http.request('GET', url)
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tree = html.document_fromstring(resp.data)
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divs = lyrics_xpath(tree)
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del resp, tree
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return '\n'.join(_parse_text(div) for div in divs).strip()
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def _parse_text(elem: html.HtmlElement) -> str:
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for br in br_xpath(elem):
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br.tail = '\n' + (br.tail or '')
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return elem.text_content()
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42
test_genius.py
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test_genius.py
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from unittest import TestCase
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import urllib3
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import genius
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TITLE = 'A Line In The Sand'
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ARTIST = 'Linkin Park'
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URL = 'https://genius.com/Linkin-park-a-line-in-the-sand-lyrics'
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LYR1 = '''[Intro: Mike Shinoda]
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Today, we stood on the wall'''
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LYR2 = '''little did we know
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[Instrumental Break]
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[Verse 1:'''
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LYR3 = '''you are gonna get yours
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[Chorus: Chester Bennington]
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Another day'''
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class TestGenius(TestCase):
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def setUp(self) -> None:
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self.http = urllib3.PoolManager()
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def test_search_success(self) -> None:
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url = genius.search(self.http, TITLE, ARTIST)
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self.assertEqual(url, URL)
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def test_lyrics_parsing(self) -> None:
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lyrics = genius.parse(self.http, URL)
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self.assertTrue(lyrics.startswith(LYR1))
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self.assertTrue(LYR2 in lyrics)
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self.assertTrue(LYR3 in lyrics)
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def tearDown(self) -> None:
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self.http.clear()
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