102 lines
3.9 KiB
Python
102 lines
3.9 KiB
Python
import re
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import os
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import requests
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import time
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# 修改存储目录为 F:\测试
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filename = r'F:\测试\音乐\\'
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# 如果没有则创建文件夹
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if not os.path.exists(filename):
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os.makedirs(filename)
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# 请求网址
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url = 'https://music.163.com/playlist?id=3778678'
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# 伪造请求头
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headers = {
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'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36'
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}
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# 发送请求
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print("正在获取列表...")
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response = requests.get(url, headers=headers)
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# 提取数据
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html_data = re.findall(r'<li><a href="/song\?id=(\d+)">(.*?)</a>', response.text)
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# 限速设置：30mbps = 30 * 1024 * 1024 / 8 = 3932160 字节/秒
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MAX_SPEED_BPS = 30 * 1024 * 1024 // 8 # 约3.75MB/s
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# 下载
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for i, (num_id, title) in enumerate(html_data, 1):
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try:
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# 方法1：替换所有Windows文件名中的非法字符
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# Windows文件名不能包含的字符: \ / : * ? " < > |
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clean_title = re.sub(r'[\\/*?:"<>|]', '', title)
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# 方法2：更严格的清理，只保留字母、数字、中文、空格和一些常用标点
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# clean_title = re.sub(r'[^a-zA-Z0-9\u4e00-\u9fa5\s\-_\(\)\[\]\.]', '', title)
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# 如果清理后文件名为空，使用歌曲ID作为文件名
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if not clean_title.strip():
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clean_title = f"song_{num_id}"
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# 检查文件是否已存在
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file_path = os.path.join(filename, clean_title + '.mp3')
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if os.path.exists(file_path):
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print(f"跳过已存在的文件: {clean_title}")
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continue
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print(f"正在下载 ({i}/{len(html_data)}): {clean_title} (原标题: {title})")
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# 调用接口
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music_url = f'https://music.163.com/song/media/outer/url?id={num_id}.mp3'
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# 发送请求获取响应（使用流模式）
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with requests.get(music_url, headers=headers, stream=True) as response:
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response.raise_for_status()
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# 获取文件大小
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total_size = int(response.headers.get('content-length', 0))
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# 保存文件
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start_time = time.time()
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downloaded_size = 0
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with open(file_path, 'wb') as f:
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for chunk in response.iter_content(chunk_size=8192): # 8KB chunks
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if chunk:
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f.write(chunk)
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downloaded_size += len(chunk)
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# 计算当前速度
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elapsed_time = time.time() - start_time
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if elapsed_time > 0:
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current_speed = downloaded_size / elapsed_time # 字节/秒
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# 如果速度超过限制，则等待
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if current_speed > MAX_SPEED_BPS and downloaded_size < total_size:
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expected_time = downloaded_size / MAX_SPEED_BPS
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sleep_time = expected_time - elapsed_time
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if sleep_time > 0:
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time.sleep(sleep_time)
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# 显示进度
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if total_size > 0:
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percent = downloaded_size / total_size * 100
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print(f"\r进度: {percent:.1f}% ({downloaded_size//1024}KB/{total_size//1024}KB)", end='')
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print() # 换行
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print(f"完成: {clean_title}")
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except Exception as e:
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print(f"下载失败 {title}: {str(e)}")
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# 如果下载失败，删除可能不完整的文件
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if 'file_path' in locals() and os.path.exists(file_path):
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os.remove(file_path)
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# 添加短暂延迟，避免请求过快
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time.sleep(0.5)
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print("所有歌曲下载完成！") |