186 lines
6.3 KiB
Python
186 lines
6.3 KiB
Python
# -*- coding: utf-8 -*-
|
||
# @Author : relakkes@gmail.com
|
||
# @Time : 2024/1/14 21:35
|
||
# @Desc : 微博存储实现类
|
||
import asyncio
|
||
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"
|
||
lock = asyncio.Lock()
|
||
|
||
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 = []
|
||
|
||
async with self.lock:
|
||
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")
|