# -*- coding: utf-8 -*- # @Author : relakkes@gmail.com # @Time : 2024/1/14 21:35 # @Desc : 微博存储实现类 import csv import json import os 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 WeiboCsvStoreImplement(AbstractStore): csv_store_path: str = "data/weibo" 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/bilibili/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): """ Weibo 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): """ Weibo 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 WeiboDbStoreImplement(AbstractStore): async def store_content(self, content_item: Dict): """ Weibo content DB storage implementation Args: content_item: content item dict Returns: """ from .weibo_store_db_types import WeiboNote note_id = content_item.get("note_id") if not await WeiboNote.filter(note_id=note_id).exists(): content_item["add_ts"] = utils.get_current_timestamp() weibo_note_pydantic = pydantic_model_creator(WeiboNote, name='WeiboNoteCreate', exclude=('id',)) weibo_data = weibo_note_pydantic(**content_item) weibo_note_pydantic.model_validate(weibo_data) await WeiboNote.create(**weibo_data.model_dump()) else: weibo_note_pydantic = pydantic_model_creator(WeiboNote, name='WeiboNoteUpdate', exclude=('id', 'add_ts')) weibo_data = weibo_note_pydantic(**content_item) weibo_note_pydantic.model_validate(weibo_data) await WeiboNote.filter(note_id=note_id).update(**weibo_data.model_dump()) async def store_comment(self, comment_item: Dict): """ Weibo content DB storage implementation Args: comment_item: comment item dict Returns: """ from .weibo_store_db_types import WeiboComment comment_id = comment_item.get("comment_id") if not await WeiboComment.filter(comment_id=comment_id).exists(): comment_item["add_ts"] = utils.get_current_timestamp() comment_pydantic = pydantic_model_creator(WeiboComment, name='WeiboNoteCommentCreate', exclude=('id',)) comment_data = comment_pydantic(**comment_item) comment_pydantic.model_validate(comment_data) await WeiboComment.create(**comment_data.model_dump()) else: comment_pydantic = pydantic_model_creator(WeiboComment, name='WeiboNoteCommentUpdate', exclude=('id', 'add_ts')) comment_data = comment_pydantic(**comment_item) comment_pydantic.model_validate(comment_data) await WeiboComment.filter(comment_id=comment_id).update(**comment_data.model_dump()) class WeiboJsonStoreImplement(AbstractStore): json_store_path: str = "data/weibo" def make_save_file_name(self, store_type: str) -> str: """ make save file name by store type Args: store_type: Save type contains content and comments(contents | comments) Returns: """ return f"{self.json_store_path}/{crawler_type_var.get()}_{store_type}_{utils.get_current_date()}.json" async def save_data_to_json(self, save_item: Dict, store_type: str): """ Below is a simple way to save it in json format. Args: save_item: save content dict info store_type: Save type contains content and comments(contents | comments) Returns: """ pathlib.Path(self.json_store_path).mkdir(parents=True, exist_ok=True) save_file_name = self.make_save_file_name(store_type=store_type) save_data = [] if os.path.exists(save_file_name): async with aiofiles.open(save_file_name, 'r', encoding='utf-8') as file: save_data = json.loads(await file.read()) save_data.append(save_item) async with aiofiles.open(save_file_name, 'w', encoding='utf-8') as file: await file.write(json.dumps(save_data, ensure_ascii=False)) async def store_content(self, content_item: Dict): """ content JSON storage implementation Args: content_item: Returns: """ await self.save_data_to_json(content_item, "contents") async def store_comment(self, comment_item: Dict): """ comment JSON storage implementatio Args: comment_item: Returns: """ await self.save_data_to_json(comment_item, "comments")