# -*- coding: utf-8 -*- # @Author : relakkes@gmail.com # @Time : 2024/1/14 20:03 # @Desc : 快手存储实现类 import csv import pathlib from typing import Dict import aiofiles from tortoise.contrib.pydantic import pydantic_model_creator from base.base_crawler import AbstractStore from tools import utils from var import crawler_type_var class KuaishouCsvStoreImplement(AbstractStore): csv_store_path: str = "data/kuaishou" def make_save_file_name(self, store_type: str) -> str: """ make save file name by store type Args: store_type: contents or comments Returns: eg: data/kuaishou/search_comments_20240114.csv ... """ return f"{self.csv_store_path}/{crawler_type_var.get()}_{store_type}_{utils.get_current_date()}.csv" async def save_data_to_csv(self, save_item: Dict, store_type: str): """ Below is a simple way to save it in CSV format. Args: save_item: save content dict info store_type: Save type contains content and comments(contents | comments) Returns: no returns """ pathlib.Path(self.csv_store_path).mkdir(parents=True, exist_ok=True) save_file_name = self.make_save_file_name(store_type=store_type) async with aiofiles.open(save_file_name, mode='a+', encoding="utf-8-sig", newline="") as f: writer = csv.writer(f) if await f.tell() == 0: await writer.writerow(save_item.keys()) await writer.writerow(save_item.values()) async def store_content(self, content_item: Dict): """ Kuaishou content CSV storage implementation Args: content_item: note item dict Returns: """ await self.save_data_to_csv(save_item=content_item, store_type="contents") async def store_comment(self, comment_item: Dict): """ Kuaishou comment CSV storage implementation Args: comment_item: comment item dict Returns: """ await self.save_data_to_csv(save_item=comment_item, store_type="comments") class KuaishouDbStoreImplement(AbstractStore): async def store_content(self, content_item: Dict): """ Kuaishou content DB storage implementation Args: content_item: content item dict Returns: """ from .kuaishou_store_db_types import KuaishouVideo video_id = content_item.get("video_id") if not await KuaishouVideo.filter(video_id=video_id).exists(): content_item["add_ts"] = utils.get_current_timestamp() kuaishou_video_pydantic = pydantic_model_creator(KuaishouVideo, name='kuaishouVideoCreate', exclude=('id',)) kuaishou_data = kuaishou_video_pydantic(**content_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(**content_item) kuaishou_video_pydantic.model_validate(kuaishou_data) await KuaishouVideo.filter(video_id=video_id).update(**kuaishou_data.model_dump()) async def store_comment(self, comment_item: Dict): """ Kuaishou content DB storage implementation Args: comment_item: comment item dict Returns: """ from .kuaishou_store_db_types import KuaishouVideoComment comment_id = comment_item.get("comment_id") if not await KuaishouVideoComment.filter(comment_id=comment_id).exists(): comment_item["add_ts"] = utils.get_current_timestamp() comment_pydantic = pydantic_model_creator(KuaishouVideoComment, name='KuaishouVideoCommentCreate', exclude=('id',)) comment_data = comment_pydantic(**comment_item) comment_pydantic.model_validate(comment_data) await KuaishouVideoComment.create(**comment_data.model_dump()) else: comment_pydantic = pydantic_model_creator(KuaishouVideoComment, name='KuaishouVideoCommentUpdate', exclude=('id', 'add_ts')) comment_data = comment_pydantic(**comment_item) comment_pydantic.model_validate(comment_data) await KuaishouVideoComment.filter(comment_id=comment_id).update(**comment_data.model_dump()) class KuaishouJsonStoreImplement(AbstractStore): async def store_content(self, content_item: Dict): pass async def store_comment(self, comment_item: Dict): pass