133 lines
4.5 KiB
Python
133 lines
4.5 KiB
Python
#!/usr/bin/env python3.12
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import importlib
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import urllib.parse
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import regex
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import logging
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import json
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from typing import Any, Annotated
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from fastapi import FastAPI, Form, HTTPException
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from pydantic import BaseModel
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class ValidLyricRequest(BaseModel):
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"""
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- **a**: artist
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- **s**: song
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- **t**: track (artist and song combined) [used only if a & s are not used]
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- **extra**: include extra details in response [optional, default: false]
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- **sub**: text to search within lyrics, if found lyrics will begin at found verse [optional, default: none]
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- **src**: the script/utility which initiated the request
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"""
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a: str | None = None
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s: str | None = None
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t: str | None = None
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sub: str | None = None
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extra: bool | None = False
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src: str
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class Config:
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schema_extra = {
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"example": {
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"a": "eminem",
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"s": "rap god",
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"src": "WEB",
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"extra": True
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}
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}
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class LyricSearch(FastAPI):
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def __init__(self, app: FastAPI, util, constants):
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self.app = app
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self.util = util
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self.constants = constants
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self.lyrics_engine = importlib.import_module("lyrics_engine").LyricsEngine()
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self.endpoint_name = "search"
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self.acceptable_request_sources = [
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"WEB",
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"IRC-MS",
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"IRC-FS",
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"IRC-KALI",
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"DISC-ACES",
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"DISC-HAVOC",
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"LIMNORIA-SHARED"
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]
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app.add_api_route("/%s/" % self.endpoint_name, self.lyric_search_handler, methods=["POST"])
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async def lyric_search_handler(self, data: ValidLyricRequest):
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"""
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Search for lyrics
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- **a**: artist
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- **s**: song
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- **t**: track (artist and song combined) [used only if a & s are not used]
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- **extra**: include extra details in response [optional, default: false]
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- **sub**: text to search within lyrics, if found lyrics will begin at found verse [optional, default: none]
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- **src**: the script/utility which initiated the request
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"""
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src = data.src.upper()
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if not(src in self.acceptable_request_sources):
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raise HTTPException(detail="Invalid request source", status_code=403)
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searchArtist = data.a
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searchSong = data.s
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searchText = data.t
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addExtras = data.extra
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subSearch = data.sub
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searchObject = None
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random_song_requested = (searchArtist == "!" and searchSong == "!")
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query_valid = (
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not(searchArtist is None) and
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not(searchSong is None) and
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len(searchArtist) >= 1 and
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len(searchSong) >= 1 and
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len(searchArtist) + len(searchSong) >= 3
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)
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if not(random_song_requested) and not(searchText) and not(query_valid):
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return {
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"err": True,
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"errorText": "Invalid parameters"
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}
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if searchArtist and searchSong:
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searchArtist = self.constants.DOUBLE_SPACE_REGEX.sub(" ", searchArtist.strip())
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searchSong = self.constants.DOUBLE_SPACE_REGEX.sub(" ", searchSong.strip())
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searchArtist = urllib.parse.unquote(searchArtist)
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searchSong = urllib.parse.unquote(searchSong)
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if searchText is None:
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searchObject = self.lyrics_engine.create_query_object("%s : %s" % (searchArtist, searchSong))
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if subSearch:
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searchObject = self.lyrics_engine.create_query_object("%s : %s : %s" % (searchArtist, searchSong, subSearch))
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else:
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searchObject = self.lyrics_engine.create_query_object(str(searchText))
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searchWorker = await self.lyrics_engine.lyrics_worker(searching=searchObject,
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recipient='anyone')
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if not(searchWorker) or not('l') in searchWorker.keys():
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return {
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'err': True,
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'errorText': 'Sources exhausted, lyrics not located.'
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}
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return {
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'err': False,
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'artist': searchWorker['artist'],
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'song': searchWorker['song'],
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'combo_lev': f'{searchWorker['combo_lev']:.2f}',
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'lyrics': regex.sub(r"\s/\s", "<br>", " ".join(searchWorker['l'])),
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'from_cache': searchWorker['method'].strip().lower().startswith("local cache"),
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'src': searchWorker['method'] if addExtras else None,
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}
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