app.py

import gradio as gr
import os,secrets,requests
from basic_pitch.inference import predict_and_save
from urllib.parse import quote
import traceback
from deta import Deta  # Import Deta

# Initialize
deta = Deta()

# This how to connect to or create a database.
last= deta.Base("last")
records=deta.Base("records")
files=deta.Drive('music')

os.system('chmod +x ./pget')


def addrecord(video_id,orig,pitmp3,mid,gname,ghint):
    if not gname or not ghint:
        return 'E/缺少name或hint.'
    names=list(set(gname.split('\n')))
    lastkey=last.get('last')
    if not lastkey:
        thiskey=0
    else:
        thiskey=lastkey['next']
    if records.fetch({'vid':video_id}).count>0:
        return 'Already In'
    #upload file src
    print(files.put(name=orig,path=orig))
    print(files.put(name=pitmp3,path=pitmp3))
    print(files.put(name=mid,path=mid))

    print(records.put({"vid":video_id,"name":names,"hint":ghint,"orig":orig,"pitmp3":pitmp3,"mid":mid},str(thiskey)))
    print(last.put({'next':thiskey+1},'last'))
    return 'OK'
    


def downloadaud(video_id,gname,ghint):
    try:
        filename=secrets.token_hex()
        # Step 1: Search for videos with the given query
    
        if not video_id:
            return None
    
        # Step 3: Get the formats for the video and find the URL for the best audio-only format
        formats_url = f"https://draw-8fj.begin.app/api/info/{video_id}"
        formats = requests.get(formats_url)
        if formats.ok!=True:
            formats_url = f"https://draw-8fj-staging.begin.app/api/info/{video_id}"
            formats = requests.get(formats_url) 
        formats_response=formats.json()
        #print(formats_response["formats"])
        best_audio_format = None
        for fmt in formats_response.get("formats", []):
            if fmt.get("hasVideo") is False and fmt.get("hasAudio") is True and fmt.get("container") == "mp4":
                if not best_audio_format or fmt.get("audioBitrate") > best_audio_format.get("audioBitrate"):
                    best_audio_format = fmt
        print(best_audio_format)
        # If no suitable audio format was found, return None
        if not best_audio_format:
            return None
    
        aurl=best_audio_format["url"]
        print(aurl)
        command = f'./pget -o {filename}.mp4 -p 4 "{aurl}" '
        os.system(command)
        os.system(f'ffmpeg -i {filename}.mp4 -q:a 0 -map a {filename}.mp3')
        os.system(f'mv {filename}.mp3 /tmp/{filename}.mp3')
        o,m,i= predict(f'/tmp/{filename}.mp3')
        res=addrecord(video_id,o,m,i,gname,ghint)
        return o,m,i,res
    except Exception as e:
        print(traceback.print_exc(e))

def predict(ina):
    fn=ina
    predict_and_save(
    [ina],
    '/'.join(ina.split('/')[:-1]),
    True,
    True,
    False,
    False,
)
    ina='.'.join(ina.split('.')[:-1])
    
    ina=ina+'_basic_pitch'
    os.system(f'ffmpeg -i "{ina}.wav" -f mp3 -acodec libmp3lame -y "{ina}.mp3"')
    
    return f'{fn}',f'{ina}.mp3',f'{ina}.mid'


aud=gr.Textbox(label="视频ID，最长三分半（YouTube视频地址栏的?v=xxxx&...的xxxx）")
g_name=gr.TextArea(label="游戏名称（谜底）,回车分名称,一行一个")
g_hint=gr.TextArea(label="开发厂商、发售日期（提示）")
oar=gr.Audio(label="下载的音频")
oa=gr.Audio(label="预览midi")
pf=gr.File(label="下载midi")
res=gr.Textbox(label="结果")
demo = gr.Interface(fn=downloadaud, inputs=[aud,g_name,g_hint], outputs=[oar,oa,pf,res])
demo.launch()