128 lines
6.1 KiB
Python
128 lines
6.1 KiB
Python
#!/usr/bin/env python3.12
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# pylint: disable=bare-except, broad-exception-caught, wrong-import-position
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import sys
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import time
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sys.path.insert(1,'..')
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import traceback
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import logging
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from typing import Optional
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from aiohttp import ClientTimeout, ClientSession
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from lyric_search_new import utils
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from lyric_search_new.constructors import LyricsResult
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from . import common
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from . import cache
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logger = logging.getLogger()
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log_level = logging.getLevelName(logger.level)
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class InvalidResponseException(Exception):
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"""
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Invalid Response Exception
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"""
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class LRCLib:
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"""LRCLib Search Module"""
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def __init__(self):
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self.label: str = "LRCLib"
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self.lrclib_url: str = "https://lrclib.net/api/search"
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self.headers: dict = common.SCRAPE_HEADERS
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self.timeout = ClientTimeout(connect=2, sock_read=4)
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self.datautils = utils.DataUtils()
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self.matcher = utils.TrackMatcher()
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self.cache = cache.Cache()
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async def search(self, artist: str, song: str, plain: bool = True) -> Optional[LyricsResult]:
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"""
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LRCLib Search
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Args:
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artist (str): the artist to search
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song (str): the song to search
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Returns:
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LyricsResult|None: The result, if found - None otherwise.
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"""
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try:
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artist: str = artist.strip().lower()
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song: str = song.strip().lower()
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time_start: float = time.time()
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lrc_obj: Optional[list[dict]] = None
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logging.info("Searching %s - %s on %s",
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artist, song, self.label)
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input_track: str = f"{artist} - {song}"
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returned_lyrics: str = ''
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async with ClientSession() as client:
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async with client.get(self.lrclib_url,
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params = {
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'artist_name': artist,
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'track_name': song,
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},
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timeout=self.timeout,
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headers=self.headers) as request:
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request.raise_for_status()
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text: str|None = await request.text()
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if len(text) < 100:
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raise InvalidResponseException("Search response text was invalid (len < 100 chars.)")
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search_data: dict|None = await request.json()
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# logging.info("Search Data:\n%s", search_data)
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if not isinstance(search_data, list):
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raise InvalidResponseException("Invalid JSON.")
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if plain:
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possible_matches = [(x, f"{result.get('artistName')} - {result.get('trackName')}")
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for x, result in enumerate(search_data)]
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else:
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logging.info("Limiting possible matches to only those with non-null syncedLyrics")
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possible_matches = [(x, f"{result.get('artistName')} - {result.get('trackName')}")
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for x, result in enumerate(search_data) if isinstance(result['syncedLyrics'], str)]
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best_match = self.matcher.find_best_match(input_track,
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possible_matches)[0]
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if not best_match:
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return
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best_match_id = best_match[0]
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if not isinstance(search_data[best_match_id]['artistName'], str):
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raise InvalidResponseException(f"Invalid JSON: Cannot find artistName key.\n{search_data}")
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if not isinstance(search_data[best_match_id]['trackName'], str):
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raise InvalidResponseException(f"Invalid JSON: Cannot find trackName key.\n{search_data}")
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returned_artist: str = search_data[best_match_id]['artistName']
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returned_song: str = search_data[best_match_id]['trackName']
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if plain:
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if not isinstance(search_data[best_match_id]['plainLyrics'], str):
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raise InvalidResponseException(f"Invalid JSON: Cannot find plainLyrics key.\n{search_data}")
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returned_lyrics: str = search_data[best_match_id]['plainLyrics']
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returned_lyrics = self.datautils.scrub_lyrics(returned_lyrics)
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else:
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if not isinstance(search_data[best_match_id]['syncedLyrics'], str):
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raise InvalidResponseException(f"Invalid JSON: Cannot find syncedLyrics key.\n{search_data}")
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returned_lyrics: str = search_data[best_match_id]['syncedLyrics']
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lrc_obj = self.datautils.create_lrc_object(returned_lyrics)
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returned_track: str = f"{returned_artist} - {returned_song}"
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(_matched, confidence) = self.matcher.find_best_match(input_track=input_track,
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candidate_tracks=[(0, returned_track)])
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if not confidence:
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return # No suitable match found
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logging.info("Result found on %s", self.label)
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time_end: float = time.time()
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time_diff: float = time_end - time_start
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matched = LyricsResult(artist=returned_artist,
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song=returned_song,
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src=self.label,
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lyrics=returned_lyrics if plain else lrc_obj,
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confidence=confidence,
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time=time_diff)
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await self.cache.store(matched)
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return matched
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except:
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traceback.print_exc()
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return |