From 06ff51d8f17bae9eda88e8b1c567b004a90577b9 Mon Sep 17 00:00:00 2001 From: cmk_B <15726649712@163.com> Date: Mon, 29 Jun 2026 16:09:05 +0800 Subject: [PATCH] test --- 练习/003_B站视频下载/BliBli.py | 349 ++++++++++++++++++++++++++++++ 练习/003_B站视频下载/README.md | 12 + 练习/003_B站视频下载/bilibili.log | 5 + 3 files changed, 366 insertions(+) create mode 100644 练习/003_B站视频下载/BliBli.py create mode 100644 练习/003_B站视频下载/README.md create mode 100644 练习/003_B站视频下载/bilibili.log diff --git a/练习/003_B站视频下载/BliBli.py b/练习/003_B站视频下载/BliBli.py new file mode 100644 index 0000000..13df6a3 --- /dev/null +++ b/练习/003_B站视频下载/BliBli.py @@ -0,0 +1,349 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# ------------------------------------ +# Time : 2025/8/10 +# File : BliBli.py +# 脚本作用 : 获取B站视频 +# 项目名称 : +# ------------------------------------ + +import logging +import os +import re +import shutil +import time +from concurrent.futures import ThreadPoolExecutor +import requests +from moviepy import AudioFileClip, VideoFileClip +from requests.adapters import HTTPAdapter +from urllib3.util.retry import Retry + +# -------------------------- 配置参数（可自定义） -------------------------- +# 自定义存储路径（默认在当前目录下的download文件夹，可修改为绝对路径如"D:/B站视频"） +STORAGE_PATH = "E:/download/B站视频" +# 日志输出级别（INFO=基本信息，WARNING=仅警告和错误，ERROR=仅错误） +LOG_LEVEL = logging.WARNING +# 最大线程数（避免请求过于频繁） +MAX_THREADS = 3 +# 最大重试次数 +MAX_RETRY = 5 +# ------------------------------------------------------------------------- + +# 配置日志 +logging.basicConfig( + level=logging.INFO, + format='%(asctime)s - %(levelname)s - %(message)s', + handlers=[logging.FileHandler("bilibili.log"), logging.StreamHandler()] +) +logger = logging.getLogger(__name__) + +# 全局请求头 +headers = { + 'referer': 'https://www.bilibili.com/', + 'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36', +} + + +def get_response(url, retry_times=3, timeout=15): + """获取HTTP响应，包含重试机制和错误处理""" + session = requests.Session() + retries = Retry( + total=retry_times, + backoff_factor=0.5, + status_forcelist=[500, 502, 503, 504, 429] + ) + session.mount('http://', HTTPAdapter(max_retries=retries)) + session.mount('https://', HTTPAdapter(max_retries=retries)) + + try: + response = session.get(url, headers=headers, timeout=timeout) + response.raise_for_status() + return response + except requests.exceptions.RequestException as e: + logger.error(f"请求失败: {url}（错误: {str(e)}）") + return None + + +def get_video_urls_advanced(bv_id, cid, page=1): + """增强版视频链接获取函数，支持新旧格式自动切换""" + try: + # 优先尝试新版DASH格式（视频音频分离） + url = f'https://api.bilibili.com/x/player/playurl?bvid={bv_id}&cid={cid}&qn=112&type=&otype=json' + response = get_response(url) + if not response: + logger.warning(f"尝试旧版格式获取链接: {bv_id}") + return get_old_format_urls(bv_id, cid, page) + + data = response.json() + if data.get('code') != 0: + logger.warning(f"新版格式错误，尝试旧版: {data.get('message')}") + return get_old_format_urls(bv_id, cid, page) + + dash_data = data.get('data', {}).get('dash', {}) + video_urls = dash_data.get('video', []) + audio_urls = dash_data.get('audio', []) + + if video_urls and audio_urls: + video_url = video_urls[0].get('backupUrl', [video_urls[0].get('url', '')])[0] + audio_url = audio_urls[0].get('backupUrl', [audio_urls[0].get('url', '')])[0] + return video_url, audio_url + + # DASH格式获取失败，尝试旧版格式 + #logger.warning(f"新版格式解析失败，切换旧版格式") + return get_old_format_urls(bv_id, cid, page) + + except Exception as e: + logger.error(f"链接获取异常，切换旧版: {str(e)}") + return get_old_format_urls(bv_id, cid, page) + + +def get_old_format_urls(bv_id, cid, page=1): + """获取旧版FLV格式视频链接（视频音频合并）""" + try: + url = f'https://api.bilibili.com/x/player/playurl?bvid={bv_id}&cid={cid}&qn=112&type=flv&otype=json' + response = get_response(url) + if not response: + logger.error(f"旧版格式请求失败: {bv_id}") + return None, None + + data = response.json() + if data.get('code') != 0: + logger.error(f"旧版格式API错误: {data.get('message')}") + return None, None + + durl = data.get('data', {}).get('durl', [{}])[0].get('url', '') + if not durl: + logger.error(f"旧版格式链接为空: {bv_id}") + return None, None + + return durl, None # 旧版无独立音频链接 + except Exception as e: + logger.error(f"旧版格式处理异常: {str(e)}") + return None, None + + +def download_video_audio_and_combine_compatible(video_url, audio_url, video_path, audio_path, output_path): + """兼容新旧格式的下载合并函数""" + try: + # 下载视频 + print(f"正在下载视频: {os.path.basename(output_path)}") # 控制台显示进度 + video_resp = get_response(video_url) + if not video_resp: + logger.error(f"视频下载失败: {os.path.basename(output_path)}") + return False + + with open(video_path, 'wb') as f: + f.write(video_resp.content) + + # 处理旧版格式(无独立音频) + if not audio_url: + shutil.copy2(video_path, output_path) + print(f"下载完成: {os.path.basename(output_path)}") + return True + + # 下载音频(新版格式) + audio_resp = get_response(audio_url) + if not audio_resp: + logger.warning(f"音频下载失败，仅保存视频: {os.path.basename(output_path)}") + shutil.copy2(video_path, output_path) + return True + + with open(audio_path, 'wb') as f: + f.write(audio_resp.content) + + # 合并视频和音频 + try: + video = VideoFileClip(video_path) + audio = AudioFileClip(audio_path) + final_video = video.set_audio(audio) + final_video.write_videofile(output_path, codec="libx264", audio_codec="aac") + print(f"合并完成: {os.path.basename(output_path)}") + return True + except Exception as e: + logger.warning(f"合并失败，保存原始视频: {str(e)}") + shutil.copy2(video_path, output_path) + return True + finally: + # 清理临时文件 + if os.path.exists(audio_path): + os.remove(audio_path) + + except Exception as e: + logger.error(f"处理失败: {str(e)}") + return False + finally: + if os.path.exists(video_path): + os.remove(video_path) + + +def add_copyright_headers(): + """添加版权敏感内容所需的请求头（可选）""" + global headers + headers.update({ + 'Referer': 'https://www.bilibili.com/cheese/', + 'Origin': 'https://www.bilibili.com', + # 如需下载会员内容，可添加Cookie（格式: 'Cookie': 'SESSDATA=xxx; bili_jct=xxx;'） + # 'Cookie': 'your_cookie_here' + }) + + +def create_directory(path): + """创建目录（支持自定义存储路径）""" + dir_path = os.path.dirname(path) + try: + os.makedirs(dir_path, exist_ok=True) + return True + except Exception as e: + logger.error(f"目录创建失败: {dir_path}（错误: {str(e)}）") + return False + + +def download_part_video_advanced(part_info, main_title): + """增强版分P下载函数""" + bv_id = part_info['bv'] + page = part_info['page'] + part_title = part_info['title'] + cid = part_info.get('cid') + + # 生成文件路径（基于自定义存储路径） + safe_title = re.sub(r'[\\/:*?"<>|]', '_', part_title) + main_dir = os.path.join(STORAGE_PATH, re.sub(r'[\\/:*?"<>|]', '_', main_title)) + video_path = os.path.join(main_dir, f'{safe_title}_video.mp4') # 临时视频文件 + audio_path = os.path.join(main_dir, f'{safe_title}_audio.mp3') # 临时音频文件 + output_path = os.path.join(main_dir, f'{safe_title}.mp4') # 最终输出路径 + + # 创建目录（包括临时文件夹） + if not create_directory(video_path) or not create_directory(output_path): + logger.error(f"跳过下载: {part_title}（目录创建失败）") + return False + + # 重试机制 + for retry in range(MAX_RETRY): + wait_time = 2 ** retry # 指数退避（1s, 2s, 4s...） + if retry > 0: + print(f"重试 {retry}/{MAX_RETRY}（等待{wait_time}秒）: {part_title}") + time.sleep(wait_time) + + try: + # 获取视频链接 + video_url, audio_url = get_video_urls_advanced(bv_id, cid, page) + if not video_url: + continue + + # 针对版权敏感内容添加额外头 + if "会员" in part_title or "加密" in part_title: + add_copyright_headers() + + # 下载并合并 + if download_video_audio_and_combine_compatible(video_url, audio_url, video_path, audio_path, output_path): + return True + + except Exception as e: + logger.error(f"下载异常: {str(e)}") + continue + + logger.error(f"下载失败: {part_title}（已达最大重试次数）") + return False + + +def parse_video_info(bv_id): + """解析视频基本信息和分P信息""" + base_url = f'https://www.bilibili.com/video/{bv_id}' + response = get_response(base_url) + if not response: + logger.error(f"无法访问视频页面: {base_url}") + return None, None + + html = response.text + try: + # 提取视频标题 + title_match = re.search(r'

= 50 + + +if __name__ == '__main__': + # 示例：替换为需要下载的BV号 + bv_id = 'BV1xe4y1s7Uq' # 可修改为目标视频的BV号 + download_bilibili_video(bv_id) \ No newline at end of file diff --git a/练习/003_B站视频下载/README.md b/练习/003_B站视频下载/README.md new file mode 100644 index 0000000..2c93eec --- /dev/null +++ b/练习/003_B站视频下载/README.md @@ -0,0 +1,12 @@ +# tools + +#### 介绍 +个人脚本存放 + +#### 软件架构 +软件架构说明 + +#### 使用说明 +获取bilibili上面免费视频 + + diff --git a/练习/003_B站视频下载/bilibili.log b/练习/003_B站视频下载/bilibili.log new file mode 100644 index 0000000..10dd350 --- /dev/null +++ b/练习/003_B站视频下载/bilibili.log @@ -0,0 +1,5 @@ +2025-08-10 19:20:08,907 - WARNING - °ʽʧܣлɰʽ +2025-08-10 19:20:08,928 - WARNING - °ʽʧܣлɰʽ +2025-08-10 19:20:08,930 - WARNING - °ʽʧܣлɰʽ +2025-08-10 19:20:16,658 - WARNING - °ʽʧܣлɰʽ +2025-08-10 19:20:16,677 - WARNING - °ʽʧܣлɰʽ