import csv import pathlib from typing import Dict, List from tortoise import fields from tortoise.contrib.pydantic import pydantic_model_creator from tortoise.models import Model import config from tools import utils from var import crawler_type_var class KuaishouBaseModel(Model): id = fields.IntField(pk=True, autoincrement=True, description="自增ID") user_id = fields.CharField(null=True, max_length=64, description="用户ID") nickname = fields.CharField(null=True, max_length=64, description="用户昵称") avatar = fields.CharField(null=True, max_length=255, description="用户头像地址") add_ts = fields.BigIntField(description="记录添加时间戳") last_modify_ts = fields.BigIntField(description="记录最后修改时间戳") class Meta: abstract = True class KuaishouVideo(KuaishouBaseModel): video_id = fields.CharField(max_length=64, index=True, description="视频ID") video_type = fields.CharField(max_length=16, description="视频类型") title = fields.CharField(null=True, max_length=500, description="视频标题") desc = fields.TextField(null=True, description="视频描述") create_time = fields.BigIntField(description="视频发布时间戳", index=True) liked_count = fields.CharField(null=True, max_length=16, description="视频点赞数") viewd_count = fields.CharField(null=True, max_length=16, description="视频浏览数量") video_url = fields.CharField(null=True, max_length=512, description="视频详情URL") video_cover_url = fields.CharField(null=True, max_length=512, description="视频封面图 URL") video_play_url = fields.CharField(null=True, max_length=512, description="视频播放 URL") class Meta: table = "kuaishou_video" table_description = "快手视频" def __str__(self): return f"{self.video_id} - {self.title}" class KuaishouVideoComment(KuaishouBaseModel): comment_id = fields.CharField(max_length=64, index=True, description="评论ID") video_id = fields.CharField(max_length=64, index=True, description="视频ID") content = fields.TextField(null=True, description="评论内容") create_time = fields.BigIntField(description="评论时间戳") sub_comment_count = fields.CharField(max_length=16, description="评论回复数") class Meta: table = "kuaishou_video_comment" table_description = "快手视频评论" def __str__(self): return f"{self.comment_id} - {self.content}" async def update_kuaishou_video(video_item: Dict): photo_info: Dict = video_item.get("photo", {}) video_id = photo_info.get("id") if not video_id: return user_info = video_item.get("author", {}) local_db_item = { "video_id": video_id, "video_type": str(video_item.get("type")), "title": photo_info.get("caption", "")[:500], "desc": photo_info.get("caption", "")[:500], "create_time": photo_info.get("timestamp"), "user_id": user_info.get("id"), "nickname": user_info.get("name"), "avatar": user_info.get("headerUrl", ""), "liked_count": str(photo_info.get("realLikeCount")), "viewd_count": str(photo_info.get("viewCount")), "last_modify_ts": utils.get_current_timestamp(), "video_url": f"https://www.kuaishou.com/short-video/{video_id}", "video_cover_url": photo_info.get("coverUrl", ""), "video_play_url": photo_info.get("photoUrl", ""), } print(f"Kuaishou video id:{video_id}, title:{local_db_item.get('title')}") if config.IS_SAVED_DATABASED: if not await KuaishouVideo.filter(video_id=video_id).exists(): local_db_item["add_ts"] = utils.get_current_timestamp() kuaishou_video_pydantic = pydantic_model_creator(KuaishouVideo, name='kuaishouVideoCreate', exclude=('id',)) kuaishou_data = kuaishou_video_pydantic(**local_db_item) kuaishou_video_pydantic.model_validate(kuaishou_data) await KuaishouVideo.create(**kuaishou_data.model_dump()) else: kuaishou_video_pydantic = pydantic_model_creator(KuaishouVideo, name='kuaishouVideoUpdate', exclude=('id', 'add_ts')) kuaishou_data = kuaishou_video_pydantic(**local_db_item) kuaishou_video_pydantic.model_validate(kuaishou_data) await KuaishouVideo.filter(video_id=video_id).update(**kuaishou_data.model_dump()) else: # Below is a simple way to save it in CSV format. pathlib.Path(f"data/kuaishou").mkdir(parents=True, exist_ok=True) save_file_name = f"data/kuaishou/{crawler_type_var.get()}_videos_{utils.get_current_date()}.csv" with open(save_file_name, mode='a+', encoding="utf-8-sig", newline="") as f: writer = csv.writer(f) if f.tell() == 0: writer.writerow(local_db_item.keys()) writer.writerow(local_db_item.values()) async def batch_update_ks_video_comments(video_id: str, comments: List[Dict]): utils.logger.info(f"[batch_update_ks_video_comments] video_id:{video_id}, comments:{comments}") if not comments: return for comment_item in comments: await update_ks_video_comment(video_id, comment_item) async def update_ks_video_comment(video_id: str, comment_item: Dict): comment_id = comment_item.get("commentId") local_db_item = { "comment_id": comment_id, "create_time": comment_item.get("timestamp"), "video_id": video_id, "content": comment_item.get("content"), "user_id": comment_item.get("authorId"), "nickname": comment_item.get("authorName"), "avatar": comment_item.get("headurl"), "sub_comment_count": str(comment_item.get("subCommentCount", 0)), "last_modify_ts": utils.get_current_timestamp(), } print(f"Kuaishou video comment: {comment_id}, content: {local_db_item.get('content')}") if config.IS_SAVED_DATABASED: if not await KuaishouVideoComment.filter(comment_id=comment_id).exists(): local_db_item["add_ts"] = utils.get_current_timestamp() comment_pydantic = pydantic_model_creator(KuaishouVideoComment, name='KuaishouVideoCommentCreate', exclude=('id',)) comment_data = comment_pydantic(**local_db_item) comment_pydantic.validate(comment_data) await KuaishouVideoComment.create(**comment_data.dict()) else: comment_pydantic = pydantic_model_creator(KuaishouVideoComment, name='KuaishouVideoCommentUpdate', exclude=('id', 'add_ts')) comment_data = comment_pydantic(**local_db_item) comment_pydantic.validate(comment_data) await KuaishouVideoComment.filter(comment_id=comment_id).update(**comment_data.dict()) else: pathlib.Path(f"data/kuaishou").mkdir(parents=True, exist_ok=True) save_file_name = f"data/kuaishou/{crawler_type_var.get()}_comments_{utils.get_current_date()}.csv" with open(save_file_name, mode='a+', encoding="utf-8-sig", newline="") as f: writer = csv.writer(f) if f.tell() == 0: writer.writerow(local_db_item.keys()) writer.writerow(local_db_item.values())