diff --git a/config/base_config.py b/config/base_config.py index 2985d40..96d87b1 100644 --- a/config/base_config.py +++ b/config/base_config.py @@ -46,7 +46,7 @@ MAX_CONCURRENCY_NUM = 1 ENABLE_GET_IMAGES = False # 是否开启爬评论模式, 默认不开启爬评论 -ENABLE_GET_COMMENTS = False +ENABLE_GET_COMMENTS = True # 是否开启爬二级评论模式, 默认不开启爬二级评论 # 老版本项目使用了 db, 则需参考 schema/tables.sql line 287 增加表字段 diff --git a/media_platform/tieba/client.py b/media_platform/tieba/client.py index edbbf19..2aa6cde 100644 --- a/media_platform/tieba/client.py +++ b/media_platform/tieba/client.py @@ -9,8 +9,9 @@ from playwright.async_api import BrowserContext from tenacity import (RetryError, retry, stop_after_attempt, wait_fixed) +import config from base.base_crawler import AbstractApiClient -from model.m_baidu_tieba import TiebaNote +from model.m_baidu_tieba import TiebaNote, TiebaComment from proxy.proxy_ip_pool import ProxyIpPool from tools import utils @@ -195,41 +196,38 @@ class BaiduTieBaClient(AbstractApiClient): page_content = await self.get(uri, return_ori_content=True) return self._page_extractor.extract_note_detail(page_content) - async def get_note_all_comments(self, note_id: str, crawl_interval: float = 1.0, - callback: Optional[Callable] = None) -> List[Dict]: + async def get_note_all_comments(self, note_detail: TiebaNote, crawl_interval: float = 1.0, + callback: Optional[Callable] = None) -> List[TiebaComment]: """ 获取指定帖子下的所有一级评论，该方法会一直查找一个帖子下的所有评论信息 Args: - note_id: 帖子ID + note_detail: 帖子详情对象 crawl_interval: 爬取一次笔记的延迟单位（秒） callback: 一次笔记爬取结束后 Returns: """ - uri = f"/p/{note_id}" - result = [] - comments_has_more = True - comments_cursor = 1 - while comments_has_more: - comments_res = await self.get(uri, params={"pn": comments_cursor}) - comments_has_more = comments_res.get("has_more", False) - comments_cursor = comments_res.get("cursor", "") - if "comments" not in comments_res: - utils.logger.info( - f"[XiaoHongShuClient.get_note_all_comments] No 'comments' key found in response: {comments_res}") + uri = f"/p/{note_detail.note_id}" + result: List[TiebaComment] = [] + current_page = 1 + while note_detail.total_replay_page >= current_page: + params = { + "pn": current_page + } + page_content = await self.get(uri, params=params, return_ori_content=True) + comments = self._page_extractor.extract_tieba_note_parment_comments(page_content, note_id=note_detail.note_id) + if not comments: break - comments = comments_res["comments"] if callback: - await callback(note_id, comments) - await asyncio.sleep(crawl_interval) + await callback(note_detail.note_id, comments) result.extend(comments) - sub_comments = await self.get_comments_all_sub_comments(comments, crawl_interval, callback) - result.extend(sub_comments) + await asyncio.sleep(crawl_interval) + current_page += 1 return result async def get_comments_all_sub_comments(self, comments: List[Dict], crawl_interval: float = 1.0, - callback: Optional[Callable] = None) -> List[Dict]: + callback: Optional[Callable] = None) -> List[TiebaComment]: """ 获取指定评论下的所有子评论 Args: @@ -240,12 +238,7 @@ class BaiduTieBaClient(AbstractApiClient): Returns: """ - result = [] - for comment in comments: - sub_comments = comment.get("comments") - if sub_comments: - if callback: - await callback(comment.get("id"), sub_comments) - await asyncio.sleep(crawl_interval) - result.extend(sub_comments) - return result + if not config.ENABLE_GET_SUB_COMMENTS: + return [] + + # todo 未完成子评论的爬取 diff --git a/media_platform/tieba/core.py b/media_platform/tieba/core.py index a03f0ad..2d10a0a 100644 --- a/media_platform/tieba/core.py +++ b/media_platform/tieba/core.py @@ -114,10 +114,12 @@ class TieBaCrawler(AbstractCrawler): self.get_note_detail_async_task(note_id=note_id, semaphore=semaphore) for note_id in note_id_list ] note_details = await asyncio.gather(*task_list) + note_details_model: List[TiebaNote] = [] for note_detail in note_details: if note_detail is not None: + note_details_model.append(note_detail) await tieba_store.update_tieba_note(note_detail) - await self.batch_get_note_comments(config.TIEBA_SPECIFIED_ID_LIST) + await self.batch_get_note_comments(note_details_model) async def get_note_detail_async_task(self, note_id: str, semaphore: asyncio.Semaphore) -> Optional[TiebaNote]: """ @@ -146,42 +148,39 @@ class TieBaCrawler(AbstractCrawler): f"[BaiduTieBaCrawler.get_note_detail] have not fund note detail note_id:{note_id}, err: {ex}") return None - async def batch_get_note_comments(self, note_id_list: List[str]): + async def batch_get_note_comments(self, note_detail_list: List[TiebaNote]): """ Batch get note comments Args: - note_id_list: + note_detail_list: Returns: """ if not config.ENABLE_GET_COMMENTS: - utils.logger.info(f"[BaiduTieBaCrawler.batch_get_note_comments] Crawling comment mode is not enabled") return - utils.logger.info( - f"[BaiduTieBaCrawler.batch_get_note_comments] Begin batch get note comments, note list: {note_id_list}") semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list: List[Task] = [] - for note_id in note_id_list: - task = asyncio.create_task(self.get_comments_async_task(note_id, semaphore), name=note_id) + for note_detail in note_detail_list: + task = asyncio.create_task(self.get_comments_async_task(note_detail, semaphore), name=note_detail.note_id) task_list.append(task) await asyncio.gather(*task_list) - async def get_comments_async_task(self, note_id: str, semaphore: asyncio.Semaphore): + async def get_comments_async_task(self, note_detail: TiebaNote, semaphore: asyncio.Semaphore): """ Get comments async task Args: - note_id: + note_detail: semaphore: Returns: """ async with semaphore: - utils.logger.info(f"[BaiduTieBaCrawler.get_comments] Begin get note id comments {note_id}") + utils.logger.info(f"[BaiduTieBaCrawler.get_comments] Begin get note id comments {note_detail.note_id}") await self.tieba_client.get_note_all_comments( - note_id=note_id, + note_detail=note_detail, crawl_interval=random.random(), callback=tieba_store.batch_update_tieba_note_comments ) diff --git a/media_platform/tieba/help.py b/media_platform/tieba/help.py index efba258..2297855 100644 --- a/media_platform/tieba/help.py +++ b/media_platform/tieba/help.py @@ -1,10 +1,12 @@ # -*- coding: utf-8 -*- import re +import json +import html from typing import List, Dict, Tuple from parsel import Selector -from model.m_baidu_tieba import TiebaNote +from model.m_baidu_tieba import TiebaNote, TiebaComment from constant import baidu_tieba as const @@ -40,7 +42,6 @@ class TieBaExtractor: result.append(tieba_note) return result - def extract_note_detail(self, page_content: str) -> TiebaNote: """ 提取贴吧帖子详情 @@ -66,8 +67,10 @@ class TieBaExtractor: title=content_selector.xpath("//title/text()").get(default='').strip(), desc=content_selector.xpath("//meta[@name='description']/@content").get(default='').strip(), note_url=const.TIEBA_URL + f"/p/{note_id}", - user_link=const.TIEBA_URL + first_floor_selector.xpath(".//a[@class='p_author_face ']/@href").get(default='').strip(), - user_nickname=first_floor_selector.xpath(".//a[@class='p_author_name j_user_card']/text()").get(default='').strip(), + user_link=const.TIEBA_URL + first_floor_selector.xpath(".//a[@class='p_author_face ']/@href").get( + default='').strip(), + user_nickname=first_floor_selector.xpath(".//a[@class='p_author_name j_user_card']/text()").get( + default='').strip(), user_avatar=first_floor_selector.xpath(".//a[@class='p_author_face ']/img/@src").get(default='').strip(), tieba_name=content_selector.xpath("//a[@class='card_title_fname']/text()").get(default='').strip(), tieba_link=const.TIEBA_URL + content_selector.xpath("//a[@class='card_title_fname']/@href").get(default=''), @@ -79,33 +82,44 @@ class TieBaExtractor: note.title = note.title.replace(f"【{note.tieba_name}】_百度贴吧", "") return note - @staticmethod - def extract_tieba_note_comments(page_content: str) -> List[Dict]: + def extract_tieba_note_parment_comments(self, page_content: str, note_id: str) -> List[TiebaComment]: """ - 提取贴吧帖子评论 + 提取贴吧帖子一级评论 Args: page_content: + note_id: Returns: """ - xpath_selector = "//div[@id='j_p_postlist']/div[@class='l_post l_post_bright j_l_post clearfix']" + xpath_selector = "//div[@class='l_post l_post_bright j_l_post clearfix ']" comment_list = Selector(text=page_content).xpath(xpath_selector) - result = [] - for comment in comment_list: - comment_id = comment.xpath(".//@data-pid").get(default='').strip() - author = comment.xpath(".//a[@data-field]/text()").get(default='').strip() - author_link = comment.xpath(".//a[@data-field]/@href").get(default='') - content = comment.xpath(".//div[@class='d_post_content j_d_post_content ']/text()").get(default='').strip() - date = comment.xpath(".//span[@class='tail-info']/text()").get(default='').strip() + result: List[TiebaComment] = [] + for comment_selector in comment_list: + comment_field_value: Dict = self.extract_data_field_value(comment_selector) + if not comment_field_value: + continue - result.append({ - "comment_id": comment_id, - "author": author, - "author_link": author_link, - "content": content, - "time": date, - }) + other_info_content = comment_selector.xpath(".//div[@class='post-tail-wrap']").get(default="").strip() + ip_location, publish_time = self.extract_ip_and_pub_time(other_info_content) + tieba_comment = TiebaComment( + comment_id=str(comment_field_value.get("content").get("post_id")), + sub_comment_count=comment_field_value.get("content").get("comment_num"), + content=comment_field_value.get("content").get("content"), + note_url=const.TIEBA_URL + f"/p/{note_id}", + user_link=const.TIEBA_URL + comment_selector.xpath(".//a[@class='p_author_face ']/@href").get(default='').strip(), + user_nickname=comment_selector.xpath(".//a[@class='p_author_name j_user_card']/text()").get( + default='').strip(), + user_avatar=comment_selector.xpath(".//a[@class='p_author_face ']/img/@src").get( + default='').strip(), + tieba_name=comment_selector.xpath("//a[@class='card_title_fname']/text()").get(default='').strip(), + ip_location=ip_location, + publish_time=publish_time, + note_id=note_id, + ) + print(tieba_comment.model_dump()) + result.append(tieba_comment) + return result @staticmethod def extract_ip_and_pub_time(html_content: str) -> Tuple[str, str]: @@ -125,6 +139,31 @@ class TieBaExtractor: pub_time = time_match.group(1) if time_match else "" return ip, pub_time + @staticmethod + def extract_data_field_value(selector: Selector) -> Dict: + """ + 提取data-field的值 + Args: + selector: + + Returns: + + """ + data_field_value = selector.xpath("./@data-field").get(default='').strip() + if not data_field_value or data_field_value == "{}": + return {} + try: + # 先使用 html.unescape 处理转义字符 再json.loads 将 JSON 字符串转换为 Python 字典 + unescaped_json_str = html.unescape(data_field_value) + data_field_dict_value = json.loads(unescaped_json_str) + except Exception as ex: + print(f"extract_data_field_value，错误信息：{ex}, 尝试使用其他方式解析") + data_field_dict_value = {} + return data_field_dict_value + + + + def test_extract_search_note_list(): with open("test_data/search_keyword_notes.html", "r", encoding="utf-8") as f: content = f.read() @@ -140,7 +179,14 @@ def test_extract_note_detail(): result = extractor.extract_note_detail(content) print(result.model_dump()) +def test_extract_tieba_note_parment_comments(): + with open("test_data/note_comments.html", "r", encoding="utf-8") as f: + content = f.read() + extractor = TieBaExtractor() + result = extractor.extract_tieba_note_parment_comments(content, "123456") + print(result) if __name__ == '__main__': - test_extract_search_note_list() - test_extract_note_detail() + # test_extract_search_note_list() + # test_extract_note_detail() + test_extract_tieba_note_parment_comments() diff --git a/media_platform/tieba/test_data/note_comments.html b/media_platform/tieba/test_data/note_comments.html new file mode 100644 index 0000000..5d08b07 --- /dev/null +++ b/media_platform/tieba/test_data/note_comments.html @@ -0,0 +1,874 @@ +【强烈恭喜】全红婵陈宇汐包揽跳水女子10米台巴黎奥运金银牌！【网球风云吧】_百度贴吧 + + + + + + + + +
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进入贴吧全吧搜索
网球风云吧 关注：48,523贴子：5,418,043
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【强烈恭喜】全红婵陈宇汐包揽跳水女子10米台巴黎奥运金银牌！

只看楼主收藏回复

+
+ +
+
+
+
+
中国队第22金！无悬念！
IP属地:福建来自Android客户端1楼2024-08-06 22:09回复
    +
    + +
    +
    全后卫冕成功，还是动作质量高，小炸也赢了
    IP属地:福建来自Android客户端2楼2024-08-06 22:10
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      全后卫冕，太好了
      IP属地:江苏来自Android客户端3楼2024-08-06 22:10
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        毫无悬念
        IP属地:上海来自Android客户端4楼2024-08-06 22:10
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          皇后回宫
          IP属地:广西来自Android客户端5楼2024-08-06 22:10
          收起回复
            可惜了，既生婵何生汐
            IP属地:湖北来自Android客户端6楼2024-08-06 22:10
            收起回复
              全最后水花那么大 居然不是8分
              IP属地:中国澳门来自Android客户端7楼2024-08-06 22:10
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                除了第三跳小炸一下，其余的都很棒了…
                IP属地:四川来自iPhone客户端8楼2024-08-06 22:10
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                  陈完美发挥了还是打不过，没办法
                  IP属地:福建来自iPhone客户端9楼2024-08-06 22:10
                  收起回复
                    IP属地:广东来自Android客户端10楼2024-08-06 22:11
                    回复
                      恭喜全，陈也蛮惨的，好在是有女双金
                      IP属地:江苏来自iPhone客户端11楼2024-08-06 22:11
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                        陈芋汐简直就是跳水队版孙颖莎
                        IP属地:陕西来自Android客户端12楼2024-08-06 22:11
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                          恭喜全后卫冕 也恭喜汐贵妃银牌，汐贵妃挺遗憾的，不管怎么样还是恭喜两位
                          IP属地:广东来自iPhone客户端13楼2024-08-06 22:11
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                            强烈恭喜
                            IP属地:广西来自Android客户端14楼2024-08-06 22:11
                            回复
                              恭喜全后卫冕成功
                              IP属地:江苏来自iPhone客户端15楼2024-08-06 22:11
                              回复
                                恭喜全后卫冕
                                IP属地:上海来自Android客户端16楼2024-08-06 22:11
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                                  全后真的是后。。。确实今天有点紧，正常应该在440-450左右。。。
                                  IP属地:上海17楼2024-08-06 22:11
                                  收起回复
                                    这俩看谁能先熬过对方吧，恭喜
                                    IP属地:上海18楼2024-08-06 22:11
                                    收起回复
                                      全身体姿态确实更好看
                                      IP属地:广西来自Android客户端19楼2024-08-06 22:12
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                                        质量好，分数没啥问题，主要是207不炸基本没悬念
                                        IP属地:上海来自Android客户端20楼2024-08-06 22:12
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                                          恭喜
                                          IP属地:山东来自Android客户端21楼2024-08-06 22:12
                                          收起回复
                                            陈这个周期是不是压着全，吊打了，结果巴黎还是输了好难过哦
                                            IP属地:上海来自Android客户端22楼2024-08-06 22:12
                                            收起回复
                                              207没炸炸了6组动作也没想到
                                              IP属地:山东来自iPhone客户端23楼2024-08-06 22:12
                                              收起回复
                                                恭喜两位，都很棒
                                                IP属地:广东来自iPhone客户端24楼2024-08-06 22:12
                                                收起回复
                                                  汐贵妃有点惨。。相比预赛半决赛已经特别好了，今天机会很大的。。。
                                                  IP属地:上海25楼2024-08-06 22:12
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                                                    稳稳的幸福
                                                    IP属地:安徽来自iPhone客户端26楼2024-08-06 22:12
                                                    回复
                                                      心疼陈宇汐一秒
                                                      IP属地:安徽27楼2024-08-06 22:12
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                                                        全后居然因为赢而哭，真的长大不少，汐贵妃好无奈
                                                        IP属地:广东来自iPhone客户端28楼2024-08-06 22:12
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                                                          陈真的太遗憾了
                                                          IP属地:安徽来自Android客户端29楼2024-08-06 22:12
                                                          回复
                                                            汐贵妃最后神情有点落寞
                                                            IP属地:湖南来自iPhone客户端30楼2024-08-06 22:12
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                                                              \ No newline at end of file diff --git a/model/m_baidu_tieba.py b/model/m_baidu_tieba.py index 6f420dc..95b0175 100644 --- a/model/m_baidu_tieba.py +++ b/model/m_baidu_tieba.py @@ -4,6 +4,9 @@ from pydantic import BaseModel, Field class TiebaNote(BaseModel): + """ + 百度贴吧帖子 + """ note_id: str = Field(..., description="帖子ID") title: str = Field(..., description="帖子标题") desc: str = Field(default="", description="帖子描述") @@ -17,3 +20,23 @@ class TiebaNote(BaseModel): total_replay_num: int = Field(default=0, description="回复总数") total_replay_page: int = Field(default=0, description="回复总页数") ip_location: Optional[str] = Field(default="", description="IP地理位置") + + +class TiebaComment(BaseModel): + """ + 百度贴吧评论 + """ + + comment_id: str = Field(..., description="评论ID") + parment_comment_id: str = Field(default="", description="父评论ID") + content: str = Field(..., description="评论内容") + user_link: str = Field(default="", description="用户主页链接") + user_nickname: str = Field(default="", description="用户昵称") + user_avatar: str = Field(default="", description="用户头像地址") + publish_time: str = Field(default="", description="发布时间") + ip_location: Optional[str] = Field(default="", description="IP地理位置") + sub_comment_count: int = Field(default=0, description="子评论数") + note_id: str = Field(..., description="帖子ID") + note_url: str = Field(..., description="帖子链接") + tieba_name: str = Field(..., description="所属的贴吧名称") + diff --git a/schema/tables.sql b/schema/tables.sql index 2aadb38..c5737f9 100644 --- a/schema/tables.sql +++ b/schema/tables.sql @@ -371,4 +371,27 @@ CREATE TABLE tieba_note last_modify_ts BIGINT NOT NULL COMMENT '最后修改时间戳', KEY `idx_tieba_note_note_id` (`note_id`), KEY `idx_tieba_note_publish_time` (`publish_time`) -) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='贴吧帖子表'; \ No newline at end of file +) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='贴吧帖子表'; + +DROP TABLE IF EXISTS `tieba_comment`; +CREATE TABLE tieba_comment +( + id BIGINT AUTO_INCREMENT PRIMARY KEY, + comment_id VARCHAR(255) NOT NULL COMMENT '评论ID', + parment_comment_id VARCHAR(255) DEFAULT '' COMMENT '父评论ID', + content TEXT NOT NULL COMMENT '评论内容', + user_link VARCHAR(255) DEFAULT '' COMMENT '用户主页链接', + user_nickname VARCHAR(255) DEFAULT '' COMMENT '用户昵称', + user_avatar VARCHAR(255) DEFAULT '' COMMENT '用户头像地址', + publish_time VARCHAR(255) DEFAULT '' COMMENT '发布时间', + ip_location VARCHAR(255) DEFAULT '' COMMENT 'IP地理位置', + sub_comment_count INT DEFAULT 0 COMMENT '子评论数', + note_id VARCHAR(255) NOT NULL COMMENT '帖子ID', + note_url VARCHAR(255) NOT NULL COMMENT '帖子链接', + tieba_name VARCHAR(255) NOT NULL COMMENT '所属的贴吧名称', + add_ts BIGINT NOT NULL COMMENT '添加时间戳', + last_modify_ts BIGINT NOT NULL COMMENT '最后修改时间戳', + KEY `idx_tieba_comment_comment_id` (`note_id`), + KEY `idx_tieba_comment_note_id` (`note_id`), + KEY `idx_tieba_comment_publish_time` (`publish_time`) +) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='贴吧评论表'; \ No newline at end of file diff --git a/store/tieba/__init__.py b/store/tieba/__init__.py index efaa6cc..e358bb6 100644 --- a/store/tieba/__init__.py +++ b/store/tieba/__init__.py @@ -1,7 +1,7 @@ # -*- coding: utf-8 -*- from typing import List -from model.m_baidu_tieba import TiebaNote +from model.m_baidu_tieba import TiebaNote, TiebaComment from . import tieba_store_impl from .tieba_store_impl import * @@ -38,14 +38,23 @@ async def update_tieba_note(note_item: TiebaNote): await TieBaStoreFactory.create_store().store_content(save_note_item) -async def batch_update_tieba_note_comments(note_id: str, comments: List[Dict]): +async def batch_update_tieba_note_comments(note_id:str, comments: List[TiebaComment]): + """ + Batch update tieba note comments + Args: + note_id: + comments: + + Returns: + + """ if not comments: return for comment_item in comments: await update_tieba_note_comment(note_id, comment_item) -async def update_tieba_note_comment(note_id: str, comment_item: Dict): +async def update_tieba_note_comment(note_id: str, comment_item: TiebaComment): """ Update tieba note comment Args: @@ -55,23 +64,7 @@ async def update_tieba_note_comment(note_id: str, comment_item: Dict): Returns: """ - user_info = comment_item.get("user_info", {}) - comment_id = comment_item.get("id") - comment_pictures = [item.get("url_default", "") for item in comment_item.get("pictures", [])] - target_comment = comment_item.get("target_comment", {}) - local_db_item = { - "comment_id": comment_id, - "create_time": comment_item.get("create_time"), - "ip_location": comment_item.get("ip_location"), - "note_id": note_id, - "content": comment_item.get("content"), - "user_id": user_info.get("user_id"), - "nickname": user_info.get("nickname"), - "avatar": user_info.get("image"), - "sub_comment_count": comment_item.get("sub_comment_count", 0), - "pictures": ",".join(comment_pictures), - "parent_comment_id": target_comment.get("id", 0), - "last_modify_ts": utils.get_current_timestamp(), - } - utils.logger.info(f"[store.tieba.update_tieba_note_comment] tieba note comment:{local_db_item}") - await TieBaStoreFactory.create_store().store_comment(local_db_item) + save_comment_item = comment_item.model_dump() + save_comment_item.update({"last_modify_ts": utils.get_current_timestamp()}) + utils.logger.info(f"[store.tieba.update_tieba_note_comment] tieba note id: {note_id} comment:{save_comment_item}") + await TieBaStoreFactory.create_store().store_comment(save_comment_item)