diff --git a/release/test_1.py b/release/test_1.py deleted file mode 100644 index 8a80c37..0000000 --- a/release/test_1.py +++ /dev/null @@ -1,77 +0,0 @@ -import requests -import re -from lxml import etree -import os - -class BiliBiliDanMu: - def __init__(self, bv, filename): - # 自动处理 BV 号,确保没有重复的 "BV" 前缀 - if bv.startswith("BV"): - bv = bv[2:] - # 根据 bv 号构造要爬取的视频 URL 地址 - self.video_url = "https://bilibili.com/video/BV" + bv - self.filename = filename - self.headers = { - "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)\ - AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36 Edg/85.0.564.44" - } - - # 获取视频的 cid - def get_video_cid(self): - response = requests.get(self.video_url, headers=self.headers, timeout=10) - if response.status_code != 200: - print(f"请求失败,状态码: {response.status_code}") - return None - - html = response.content.decode() - print(f"HTML 内容(前500字符): {html[:500]}") # 打印部分 HTML 内容用于调试 - cid = re.findall(r'("cid":)([0-9]+)', html) - # 有的视频没有这个字段,我们跳过它 - if len(cid) == 0: - print("未找到 cid") - return None - else: - return cid[0][-1] - - # 获取请求弹幕 XML 文件返回的内容 - def get_content(self, xml_url): - response = requests.get(xml_url, headers=self.headers, timeout=10) - return response.content - - # 解析获取到的内容,得到包含视频所有弹幕的列表 - def extract_danmu(self, content_str): - html = etree.HTML(content_str) - danmu_list = html.xpath("//d/text()") - return danmu_list - - # 将弹幕逐行写入并保存为 txt 文件 - def save(self, save_items): - # 确保输出目录存在 - output_dir = os.path.dirname(self.filename) - os.makedirs(output_dir, exist_ok=True) # 自动创建目录 - - with open(self.filename, 'w', encoding='utf-8') as f: - lines = [] - for item in save_items: - lines.append(item + '\n') - f.writelines(lines) - print(f"弹幕已保存至 {self.filename}") - - # 爬虫的过程封装 - def crawl(self): - cid = self.get_video_cid() - # 跳过没有 cid 字段的视频 - if cid is not None: - xml_url = "http://comment.bilibili.com/" + str(cid) + ".xml" - content_str = self.get_content(xml_url) - danmu_lst = self.extract_danmu(content_str) - self.save(danmu_lst) - else: - print("视频没有有效的 cid,跳过此视频") - -if __name__ == '__main__': - bv = input("请输入视频的 bv 号: ") - # 处理文件名,确保路径正确 - filename = 'E:/前端/软件工程/{}.txt'.format(str(bv)) - dm = BiliBiliDanMu(bv, filename) - dm.crawl() \ No newline at end of file diff --git a/release/test_bilibili_danmu.py b/release/test_bilibili_danmu.py deleted file mode 100644 index c5610e8..0000000 --- a/release/test_bilibili_danmu.py +++ /dev/null @@ -1,102 +0,0 @@ -import unittest -from unittest.mock import patch, MagicMock -from crawl_getthread import BiliBiliDanMu, search_videos, download_danmu, getthread -import os - -class TestBiliBiliDanMu(unittest.TestCase): - """ - 测试 BiliBiliDanMu 类的单元测试类。 - """ - - @patch('crawl_getthread.requests.get') - def test_get_video_cid_success(self, mock_get): - """ - 测试根据视频 BV 号获取弹幕 CID 成功。 - """ - mock_get.return_value = MagicMock(status_code=200, text='{"cid":123456}') - danmu_crawler = BiliBiliDanMu("BV12345", "test_output.txt") - self.assertEqual(danmu_crawler.get_video_cid(), "123456") - - @patch('crawl_getthread.requests.get') - def test_get_video_cid_failure(self, mock_get): - """ - 测试根据视频 BV 号获取弹幕 CID 失败。 - """ - mock_get.return_value = MagicMock(status_code=404) - danmu_crawler = BiliBiliDanMu("BV12345", "test_output.txt") - self.assertIsNone(danmu_crawler.get_video_cid()) - - @patch('crawl_getthread.requests.get') - def test_get_content_success(self, mock_get): - """ - 测试根据弹幕 XML URL 获取弹幕内容成功。 - """ - mock_get.return_value = MagicMock(status_code=200, text='弹幕内容') - danmu_crawler = BiliBiliDanMu("BV12345", "test_output.txt") - self.assertEqual(danmu_crawler.get_content("http://comment.bilibili.com/123456.xml"), '弹幕内容') - - @patch('crawl_getthread.requests.get') - def test_get_content_failure(self, mock_get): - """ - 测试根据弹幕 XML URL 获取弹幕内容失败。 - """ - mock_get.return_value = MagicMock(status_code=404) - danmu_crawler = BiliBiliDanMu("BV12345", "test_output.txt") - self.assertIsNone(danmu_crawler.get_content("http://comment.bilibili.com/123456.xml")) - - def test_extract_danmu(self): - """ - 测试解析弹幕 XML 内容,提取弹幕文本。 - """ - danmu_crawler = BiliBiliDanMu("BV12345", "test_output.txt") - content_str = '弹幕内容1弹幕内容2' - self.assertEqual(danmu_crawler.extract_danmu(content_str), ['弹幕内容1', '弹幕内容2']) - - def test_save(self): - """ - 测试保存弹幕到文件。 - """ - danmu_crawler = BiliBiliDanMu("BV12345", "test_output.txt") - danmu_crawler.save(['弹幕内容1', '弹幕内容2']) - with open("test_output.txt", 'r', encoding='utf-8') as f: - self.assertEqual(f.readlines(), ['弹幕内容1\n', '弹幕内容2\n']) - os.remove("test_output.txt") # 清理测试文件 - - @patch('crawl_getthread.search_videos') - def test_search_videos_success(self, mock_search_videos): - """ - 测试根据关键词搜索视频并成功返回视频 ID 列表。 - """ - mock_search_videos.return_value = ['BV12345', 'BV67890'] - video_ids = search_videos("2024巴黎奥运会", max_results=2) - self.assertEqual(video_ids, ['BV12345', 'BV67890']) - - @patch('crawl_getthread.search_videos') - def test_search_videos_failure(self, mock_search_videos): - """ - 测试根据关键词搜索视频时请求失败。 - """ - mock_search_videos.return_value = [] - video_ids = search_videos("2024巴黎奥运会", max_results=2) - self.assertEqual(video_ids, []) - - @patch('crawl_getthread.download_danmu') - def test_download_danmu(self, mock_download): - """ - 测试下载指定 BV 号视频的弹幕。 - """ - mock_download.return_value = None - download_danmu(0, "BV12345", "test_output.txt") - mock_download.assert_called_with(0, "BV12345", "test_output.txt") - - @patch('crawl_getthread.getthread') - def test_getthread(self, mock_getthread): - """ - 测试使用线程池并发下载弹幕。 - """ - mock_getthread.return_value = None - getthread() - mock_getthread.assert_called_once() - -if __name__ == '__main__': - unittest.main() # 执行测试 \ No newline at end of file diff --git a/release/test_getfor.py b/release/test_getfor.py deleted file mode 100644 index 7901efb..0000000 --- a/release/test_getfor.py +++ /dev/null @@ -1,169 +0,0 @@ -# import cProfile -import requests -import re -from lxml import etree -import os -import time -import random -from collections import OrderedDict - -class BiliBiliDanMu: - def __init__(self, bv, filename): - if bv.startswith("BV"): - bv = bv[2:] - self.video_url = "https://bilibili.com/video/BV" + bv - self.filename = filename - self.headers = { - "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36", - "Referer": "https://www.bilibili.com/", - "Accept": "application/json, text/plain, */*", - "Accept-Language": "zh-CN,zh;q=0.9", - } - - def get_video_cid(self): - retry_count = 3 - for attempt in range(retry_count): - try: - response = requests.get(self.video_url, headers=self.headers, timeout=10) - if response.status_code != 200: - print(f"请求失败,状态码: {response.status_code}") - continue - - html = response.content.decode() - cid = re.findall(r'("cid":)([0-9]+)', html) - if not cid: - print("未找到 cid") - continue - else: - return cid[0][-1] - except requests.exceptions.RequestException as e: - print(f"获取 cid 时出错: {e}") - print(f"第 {attempt + 1} 次重试获取 cid...") - time.sleep(2) - return None - - def get_content(self, xml_url): - try: - response = requests.get(xml_url, headers=self.headers, timeout=10) - if response.status_code == 200: - return response.content - else: - print(f"获取弹幕内容失败,状态码: {response.status_code}") - return None - except requests.exceptions.RequestException as e: - print(f"获取弹幕时出错: {e}") - return None - - def extract_danmu(self, content_str): - try: - html = etree.HTML(content_str) - danmu_list = html.xpath("//d/text()") - return danmu_list - except Exception as e: - print(f"解析弹幕时出错: {e}") - return [] - - def save(self, save_items): - output_dir = os.path.dirname(self.filename) - os.makedirs(output_dir, exist_ok=True) - - with open(self.filename, 'w', encoding='utf-8') as f: - lines = [item + '\n' for item in save_items] - f.writelines(lines) - print(f"弹幕已保存至 {self.filename}") - - def crawl(self): - cid = self.get_video_cid() - if cid is not None: - xml_url = "http://comment.bilibili.com/" + str(cid) + ".xml" - content_str = self.get_content(xml_url) - if content_str: - danmu_lst = self.extract_danmu(content_str) - self.save(danmu_lst) - else: - print("视频没有有效的 cid,跳过此视频") - - -def search_videos(query, max_results=350): - search_url = "https://api.bilibili.com/x/web-interface/search/type" - headers = { - "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36", - "Referer": "https://www.bilibili.com/", - "Accept": "application/json, text/plain, */*", - "Accept-Language": "zh-CN,zh;q=0.9", - "cookie": "your cookie" # 替换为实际的 Cookie - } - - bv_list = [] - page = 1 - - while len(bv_list) < max_results: - params = { - 'keyword': query, - 'search_type': 'video', - 'order': 'totalrank', - 'page': page, - 'pagesize': 50 - } - - try: - response = requests.get(search_url, params=params, headers=headers, timeout=10) - if response.status_code == 200: - results = response.json() - if results['code'] == 0: - videos = results['data']['result'] - if not videos: - break - bv_list += [video['bvid'] for video in videos] - print(f"已抓取 {len(bv_list)} 个视频") - else: - print(f"搜索失败,错误代码: {results['code']},错误信息: {results.get('message', '无详细信息')}") - if '频繁' in results.get('message', ''): - print("限流,等待后重试") - time.sleep(random.uniform(5, 10)) - continue - break - else: - print(f"搜索请求失败,状态码: {response.status_code}") - break - except requests.exceptions.RequestException as e: - print(f"请求失败,错误: {e}") - time.sleep(random.uniform(2, 5)) - continue - - page += 1 - time.sleep(random.uniform(1, 3)) - - bv_list = list(OrderedDict.fromkeys(bv_list)) # 去重操作 - return bv_list[:max_results] - - -def download_danmu(index, bv, filename): - danmu_crawler = BiliBiliDanMu(bv, filename) - danmu_crawler.crawl() - -def getfor(): - for index, bv in enumerate(bv_list): - filename = f'{output_dir}第{index + 1}个视频_{bv}.txt' - print(f"正在抓取 BV号 {bv} 的弹幕...") - download_danmu(index, bv, filename) - print(f"BV号 {bv} 的弹幕抓取完成") - - -if __name__ == '__main__': - query = input("请输入搜索关键词: ") - bv_list = search_videos(query) - - # 限制爬取的最大视频数量为300 - bv_list = bv_list[:300] - - output_dir = 'E:/前端/软件工程/弹幕收集first/' - os.makedirs(output_dir, exist_ok=True) - - # 依次抓取每个视频的弹幕 - getfor() - # for index, bv in enumerate(bv_list): - # filename = f'{output_dir}第{index + 1}个视频_{bv}.txt' - # print(f"正在抓取 BV号 {bv} 的弹幕...") - # download_danmu(index, bv, filename) - # print(f"BV号 {bv} 的弹幕抓取完成") \ No newline at end of file