418 lines
18 KiB
Python
418 lines
18 KiB
Python
#!/usr/bin/env python3.12
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import logging
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import traceback
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import os
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import aiosqlite as sqlite3
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import time
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import random
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import asyncio
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import regex
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import music_tag
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from . import radio_util
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from .constructors import ValidRadioNextRequest, ValidRadioReshuffleRequest, ValidRadioQueueShiftRequest,\
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ValidRadioQueueRemovalRequest, ValidRadioSongRequest, RadioException
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from uuid import uuid4 as uuid
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from typing import Optional
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from fastapi import FastAPI, BackgroundTasks, Request, Response, HTTPException
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from fastapi.responses import RedirectResponse
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from aiohttp import ClientSession, ClientTimeout
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# pylint: disable=bare-except, broad-exception-caught, invalid-name
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double_space = regex.compile(r'\s{2,}')
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"""
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TODO:
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minor refactoring/type annotations/docstrings
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"""
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class Radio(FastAPI):
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"""Radio Endpoints"""
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def __init__(self, app: FastAPI, my_util, constants, glob_state) -> None: # pylint: disable=super-init-not-called
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self.app = app
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self.util = my_util
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self.constants = constants
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self.radio_util = radio_util.RadioUtil(self.constants)
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self.glob_state = glob_state
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self.ls_uri = "http://10.10.10.101:29000"
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self.sqlite_exts: list[str] = ['/home/singer/api/solibs/spellfix1.cpython-311-x86_64-linux-gnu.so']
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self.active_playlist_path = os.path.join("/usr/local/share",
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"sqlite_dbs", "track_file_map.db")
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self.active_playlist_name = "default" # not used
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self.active_playlist = []
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self.now_playing = {
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'artist': 'N/A',
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'song': 'N/A',
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'genre': 'N/A',
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'artistsong': 'N/A - N/A',
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'duration': 0,
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'start': 0,
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'end': 0,
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'file_path': None,
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'id': None,
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}
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self.endpoints = {
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"radio/np": self.radio_now_playing,
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"radio/request": self.radio_request,
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"radio/get_queue": self.radio_get_queue,
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"radio/skip": self.radio_skip,
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"radio/queue_shift": self.radio_queue_shift,
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"radio/reshuffle": self.radio_reshuffle,
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"radio/queue_remove": self.radio_queue_remove,
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"radio/ls._next_": self.radio_get_next,
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}
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for endpoint, handler in self.endpoints.items():
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app.add_api_route(f"/{endpoint}", handler, methods=["POST"],
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include_in_schema=False) # change include_in_schema to False
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# NOTE: Not in loop because method is GET for this endpoint
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app.add_api_route("/radio/album_art", self.album_art_handler, methods=["GET"],
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include_in_schema=True)
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asyncio.get_event_loop().run_until_complete(self.load_playlist())
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asyncio.get_event_loop().run_until_complete(self._ls_skip())
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def get_queue_item_by_uuid(self, uuid: str) -> tuple[int, dict] | None:
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"""
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Get queue item by UUID
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Args:
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uuid: The UUID to search
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Returns:
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dict|None
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"""
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for x, item in enumerate(self.active_playlist):
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if item.get('uuid') == uuid:
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return (x, item)
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return None
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async def _ls_skip(self) -> bool:
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async with ClientSession() as session:
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async with session.get(f"{self.ls_uri}/next",
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timeout=ClientTimeout(connect=2, sock_read=2)) as request:
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request.raise_for_status()
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text = await request.text()
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return text == "OK"
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async def radio_skip(self, data: ValidRadioNextRequest, request: Request) -> bool:
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"""
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Skip to the next track in the queue, or to uuid specified in skipTo if provided
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"""
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try:
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if not self.util.check_key(path=request.url.path, req_type=4, key=data.key):
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raise HTTPException(status_code=403, detail="Unauthorized")
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if data.skipTo:
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(x, _) = self.get_queue_item_by_uuid(data.skipTo)
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self.active_playlist = self.active_playlist[x:]
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if not self.active_playlist:
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await self.load_playlist()
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return await self._ls_skip()
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except Exception as e:
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traceback.print_exc()
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return False
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async def radio_reshuffle(self, data: ValidRadioReshuffleRequest, request: Request) -> dict:
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"""
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Reshuffle the play queue
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"""
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if not self.util.check_key(path=request.url.path, req_type=4, key=data.key):
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raise HTTPException(status_code=403, detail="Unauthorized")
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random.shuffle(self.active_playlist)
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return {
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'ok': True
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}
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async def radio_get_queue(self, request: Request, limit: int = 20_000) -> dict:
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"""
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Get current play queue, up to limit n [default: 20k]
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Args:
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limit (int): Number of results to return (default 20k)
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Returns:
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dict
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"""
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queue_out = []
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for x, item in enumerate(self.active_playlist[0:limit+1]):
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queue_out.append({
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'pos': x,
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'id': item.get('id'),
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'uuid': item.get('uuid'),
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'artist': item.get('artist'),
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'song': item.get('song'),
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'artistsong': item.get('artistsong'),
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'duration': item.get('duration'),
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})
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return {
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'items': queue_out
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}
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async def radio_queue_shift(self, data: ValidRadioQueueShiftRequest, request: Request) -> dict:
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"""Shift position of a UUID within the queue [currently limited to playing next or immediately]"""
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if not self.util.check_key(path=request.url.path, req_type=4, key=data.key):
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raise HTTPException(status_code=403, detail="Unauthorized")
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(x, item) = self.get_queue_item_by_uuid(data.uuid)
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self.active_playlist.pop(x)
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self.active_playlist.insert(0, item)
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if not data.next:
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await self._ls_skip()
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return {
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'ok': True,
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}
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async def radio_queue_remove(self, data: ValidRadioQueueRemovalRequest, request: Request) -> dict:
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"""Remove an item from the current play queue"""
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if not self.util.check_key(path=request.url.path, req_type=4, key=data.key):
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raise HTTPException(status_code=403, detail="Unauthorized")
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(x, found_item) = self.get_queue_item_by_uuid(data.uuid)
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if not found_item:
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return {
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'ok': False,
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'err': 'UUID not found in play queue',
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}
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self.active_playlist.pop(x)
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return {
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'ok': True,
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}
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async def search_playlist(self, artistsong: str|None = None, artist: str|None = None, song: str|None = None) -> bool:
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if artistsong and (artist or song):
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raise RadioException("Cannot search using combination provided")
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if not artistsong and (not artist or not song):
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raise RadioException("No query provided")
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try:
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search_artist = None
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search_song = None
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search_query = 'SELECT id, artist, song, (artist || " - " || song) AS artistsong, genre, file_path, duration FROM tracks\
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WHERE editdist3((lower(artist) || " " || lower(song)), (? || " " || ?))\
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<= 410 ORDER BY editdist3((lower(artist) || " " || lower(song)), ?) ASC LIMIT 1'
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if artistsong:
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artistsong_split = artistsong.split(" - ", maxsplit=1)
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(search_artist, search_song) = tuple(artistsong_split)
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else:
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search_artist = artist
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search_song = song
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if not artistsong:
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artistsong = f"{search_artist} - {search_song}"
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search_params = (search_artist.lower(), search_song.lower(), artistsong.lower(),)
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async with sqlite3.connect(self.active_playlist_path,
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timeout=2) as db_conn:
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await db_conn.enable_load_extension(True)
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for ext in self.sqlite_exts:
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await db_conn.load_extension(ext)
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db_conn.row_factory = sqlite3.Row
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async with await db_conn.execute(search_query, search_params) as db_cursor:
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result = await db_cursor.fetchone()
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if not result:
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return False
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pushObj = {
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'id': result['id'],
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'uuid': str(uuid().hex),
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'artist': result['artist'].strip(),
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'song': result['song'].strip(),
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'artistsong': result['artistsong'].strip(),
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'genre': result['genre'],
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'file_path': result['file_path'],
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'duration': result['duration'],
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}
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self.active_playlist.insert(0, pushObj)
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return True
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except Exception as e:
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logging.critical("search_playlist:: Search error occurred: %s", str(e))
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traceback.print_exc()
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return False
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async def load_playlist(self):
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try:
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logging.info(f"Loading playlist...")
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self.active_playlist.clear()
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# db_query = 'SELECT distinct(artist || " - " || song) AS artistdashsong, id, artist, song, genre, file_path, duration FROM tracks\
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# GROUP BY artistdashsong ORDER BY RANDOM()'
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"""
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LIMITED GENRES
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"""
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db_query = 'SELECT distinct(artist || " - " || song) AS artistdashsong, id, artist, song, genre, file_path, duration FROM tracks\
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WHERE genre IN ("metalcore", "pop punk", "punk rock", "metal", "punk", "electronic", "nu metal", "EDM",\
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"post-hardcore", "pop rock", "experimental", "post-punk", "death metal", "electronicore", "hard rock", "psychedelic rock",\
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"grunge", "house", "dubstep", "hardcore", "hair metal", "horror punk", "folk punk", "breakcore",\
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"post-rock", "deathcore", "hardcore punk", "synthwave", "trap") GROUP BY artistdashsong ORDER BY RANDOM()'
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async with sqlite3.connect(self.active_playlist_path,
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timeout=2) as db_conn:
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db_conn.row_factory = sqlite3.Row
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async with await db_conn.execute(db_query) as db_cursor:
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results = await db_cursor.fetchall()
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self.active_playlist = [{
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'uuid': str(uuid().hex),
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'id': r['id'],
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'artist': double_space.sub(' ', r['artist']).strip(),
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'song': double_space.sub(' ', r['song']).strip(),
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'genre': r['genre'] if r['genre'] else 'Unknown',
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'artistsong': double_space.sub(' ', r['artistdashsong']).strip(),
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'file_path': r['file_path'],
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'duration': r['duration'],
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} for r in results]
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logging.info("Populated active playlists with %s items",
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len(self.active_playlist))
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except:
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traceback.print_exc()
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async def cache_album_art(self, track_id: int, album_art: bytes) -> None:
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try:
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async with sqlite3.connect(self.active_playlist_path,
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timeout=2) as db_conn:
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async with await db_conn.execute("UPDATE tracks SET album_art = ? WHERE id = ?",
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(album_art, track_id,)) as db_cursor:
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await db_conn.commit()
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except:
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traceback.print_exc()
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async def get_album_art(self, track_id: Optional[int] = None,
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file_path: Optional[str] = None) -> bytes:
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try:
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async with sqlite3.connect(self.active_playlist_path,
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timeout=2) as db_conn:
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db_conn.row_factory = sqlite3.Row
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query = "SELECT album_art FROM tracks WHERE id = ?"
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query_params = (track_id,)
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if file_path and not track_id:
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query = "SELECT album_art FROM tracks WHERE file_path = ?"
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query_params = (file_path,)
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async with await db_conn.execute(query,
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query_params) as db_cursor:
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result = await db_cursor.fetchone()
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if not result:
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return
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return result['album_art']
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except:
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traceback.print_exc()
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return
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async def _get_album_art(self, track_id: Optional[int] = None, file_path: Optional[str] = None) -> bytes|None:
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try:
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if not file_path:
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file_path = self.now_playing.get('file_path')
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if not file_path:
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logging.critical("_get_album_art:: No current file")
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return
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original_file_path = file_path
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file_path = file_path.replace("/paul/toons/",
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"/singer/gogs_toons/")
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cached_album_art = await self.get_album_art(file_path=original_file_path,
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track_id=track_id)
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if cached_album_art:
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return cached_album_art
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except:
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traceback.print_exc()
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# TODO: Optimize/cache
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async def album_art_handler(self, request: Request, track_id: Optional[int] = None) -> bytes:
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try:
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logging.debug("Seeking album art with trackId: %s", track_id)
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album_art = await self._get_album_art(track_id=track_id)
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if not album_art:
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return RedirectResponse(url="https://codey.lol/images/radio_art_default.jpg",
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status_code=302)
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return Response(content=album_art,
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media_type="image/png")
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except Exception as e:
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traceback.print_exc()
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return RedirectResponse(url="https://codey.lol/images/radio_art_default.jpg",
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status_code=302)
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async def radio_now_playing(self, request: Request) -> dict:
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ret_obj = {**self.now_playing}
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cur_elapsed = self.now_playing.get('elapsed', -1)
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cur_duration = self.now_playing.get('duration', 999999)
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try:
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ret_obj['elapsed'] = int(time.time()) - ret_obj['start']
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except KeyError:
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traceback.print_exc()
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ret_obj['elapsed'] = 0
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elapsed = ret_obj['elapsed']
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duration = ret_obj['duration']
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ret_obj.pop('file_path')
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return ret_obj
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async def radio_get_next(self, data: ValidRadioNextRequest, request: Request,
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background_tasks: BackgroundTasks) -> Optional[dict]:
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"""
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Get next track
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Args:
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None
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Returns:
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str: Next track in queue
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Track will be removed from the queue in the process (pop from top of list).
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"""
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if not self.util.check_key(path=request.url.path, req_type=4, key=data.key):
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raise HTTPException(status_code=403, detail="Unauthorized")
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if not isinstance(self.active_playlist, list) or not self.active_playlist:
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await self.load_playlist()
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await self._ls_skip()
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return
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next = self.active_playlist.pop(0)
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if not isinstance(next, dict):
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logging.critical("next is of type: %s, reloading playlist...", type(next))
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await self.load_playlist()
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await self._ls_skip()
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return
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duration = next['duration']
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time_started = int(time.time())
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time_ends = int(time_started + duration)
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if len(self.active_playlist) > 1:
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self.active_playlist.append(next) # Push to end of playlist
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else:
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await self.load_playlist()
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self.now_playing = next
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next['start'] = time_started
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next['end'] = time_ends
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try:
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background_tasks.add_task(self.radio_util.webhook_song_change, next)
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except Exception as e:
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traceback.print_exc()
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try:
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if not await self.get_album_art(file_path=next['file_path']):
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album_art = await self._get_album_art(next['file_path'])
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await self.cache_album_art(next['id'], album_art)
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except:
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traceback.print_exc()
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return next
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async def radio_request(self, data: ValidRadioSongRequest, request: Request) -> Response:
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if not self.util.check_key(path=request.url.path, req_type=4, key=data.key):
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raise HTTPException(status_code=403, detail="Unauthorized")
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artistsong = data.artistsong
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artist = data.artist
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song = data.song
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if artistsong and (artist or song):
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return {
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'err': True,
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'errorText': 'Invalid request',
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}
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if not artistsong and (not artist or not song):
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return {
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'err': True,
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'errorText': 'Invalid request',
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}
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search = await self.search_playlist(artistsong=artistsong,
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artist=artist,
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song=song)
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if data.alsoSkip:
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await self._ls_skip()
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return {'result': search} |