Bugs.co.kr MV downloader

bugs_mv_dl.py

"""
A simple script to download music videos from bugs.co.kr
author: pandamoon21

requirements: requests, rich, tqdm

Usage:
bugs_mv_dl.py {url/videoid} {quality}
notes:
- quality is optional, default set to FHD
- SD (< 720p), HD (720p), FHD (1080p)

example:
-> bugs_mv_dl.py https://music.bugs.co.kr/mv/624404 FHD
-> bugs_mv_dl.py https://music.bugs.co.kr/mv/624404
-> bugs_mv_dl.py 624404

last update: 20/04/2024
"""

import re
import requests
import sys
import warnings

from pathlib import Path
from rich import print
from tqdm import TqdmExperimentalWarning
from tqdm.rich import tqdm

warnings.filterwarnings("ignore", category=TqdmExperimentalWarning)

session = requests.Session()

headers = {
    'Accept': 'application/json, text/javascript, */*; q=0.01',
    'Accept-Language': 'en-US,en;q=0.9',
    'Connection': 'keep-alive',
    'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
    'DNT': '1',
    'Origin': 'https://music.bugs.co.kr',
    'Sec-Fetch-Dest': 'empty',
    'Sec-Fetch-Mode': 'cors',
    'Sec-Fetch-Site': 'same-origin',
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0',
    'X-Requested-With': 'XMLHttpRequest',
    'sec-ch-ua': '"Microsoft Edge";v="119", "Chromium";v="119", "Not?A_Brand";v="24"',
    'sec-ch-ua-mobile': '?0',
    'sec-ch-ua-platform': '"Windows"',
}

def get_playback(videoid, quality):
    res = session.post(
        url="https://music.bugs.co.kr/mvPlayer/lightSecureUrl",
        data={
            "mvId": videoid,
            "pl_type": "html5",
            "quality": quality
        },
        headers={
            'Referer': f'https://music.bugs.co.kr/mv/{videoid}',
            **headers
        }
    )
    return res.json()

def download_file(input_url, videoid, output):
    res = session.get(
        url=input_url,
        headers={
            'Referer': f'https://music.bugs.co.kr/mv/{videoid}',
            **headers
        },
        allow_redirects=True,
        stream=True
    )
    chunk_size = 1
    TOTAL_SIZE = int(res.headers.get("Content-Length", 0))
    CHUNK_SIZE = chunk_size * 10**6
    output = Path(f"{output}.mp4")

    with (
        open(str(output), "wb") as video,
        tqdm(total=TOTAL_SIZE, desc=f"Download {output}", unit="B", unit_scale=True) as bar
    ):
        for chunk in res.iter_content(chunk_size=CHUNK_SIZE):
            # writing one chunk at a time to the file
            if chunk: 
                size = video.write(chunk)
                bar.update(size)

try:
    videoid = sys.argv[1]
except Exception:
    # using custom videoid from this py file instead
    videoid = "input_video_id_here"

try:
    quality = sys.argv[2]
except Exception:
    # using FHD as default -> SD, HD, FHD
    quality = "FHD"

if "http" in videoid:
    # parse videoid
    videoid = re.search(r"\d{4,6}", videoid)[0]

data = get_playback(videoid, quality)
artist_name = data["mv"]["artist_nm"]
mv_title = data["mv"]["mv_title"]
album_title = data["mv"]["album_title"]
title = "{} - {}".format(artist_name, mv_title)

print(f" + Artist Name  : {artist_name}")
print(f" + MV Title     : {mv_title}")
print(f" + Album Title  : {album_title}")

lsu_url = data["url"]
print("\nDownloading...")
print(f" + Filename   : {title}")
# Download the file
url = f"https://music.bugs.co.kr/lsu_vurl/{lsu_url}"
download_file(url, videoid, title)