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import logging
import os
import re
import string
import time
from typing import List
import streamlit as st
import yt_dlp
from pytube import Search
logger = logging.getLogger("pytube")
logger.setLevel(logging.ERROR)
def _sanitize_filename(filename):
safe_chars = "-_.() %s%s" % (
re.escape(string.ascii_letters),
re.escape(string.digits),
)
safe_filename = re.sub(f"[^{safe_chars}]", "_", filename)
return safe_filename.strip()
@st.cache_data(show_spinner=False)
def download_audio_from_youtube(url, output_path):
if not os.path.exists(output_path):
os.makedirs(output_path)
with yt_dlp.YoutubeDL() as ydl:
info_dict = ydl.extract_info(url, download=False)
if info_dict.get("duration", 0) > 360:
st.error("Song is too long. Please use a song no longer than 6 minutes.")
return
video_title = info_dict.get("title", None)
video_title = _sanitize_filename(video_title)
ydl_opts = {
"format": "bestaudio/best",
"postprocessors": [
{
"key": "FFmpegExtractAudio",
"preferredcodec": "mp3",
"preferredquality": "192",
}
],
"outtmpl": os.path.join(output_path, video_title),
#'quiet': True,
}
with yt_dlp.YoutubeDL(ydl_opts) as ydl:
ydl.download([url])
return f"{video_title}.mp3"
@st.cache_data(show_spinner=False)
def query_youtube(query: str) -> Search:
return Search(query)
def search_youtube(query: str) -> List:
if len(query) > 3:
time.sleep(0.5)
search = query_youtube(query + " lyrics")
st.session_state.search_results = search.results
video_options = [video.title for video in st.session_state.search_results]
st.session_state.video_options = video_options
else:
video_options = []
return video_options
def get_youtube_url(title: str) -> str:
video = st.session_state.search_results[st.session_state.video_options.index(title)]
return video.embed_url
def check_if_is_youtube_url(url: str) -> bool:
return url.startswith("http")
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