_store_impl.py
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# 声明：本代码仅供学习和研究目的使用。使用者应遵守以下原则：
# 1. 不得用于任何商业用途。
# 2. 使用时应遵守目标平台的使用条款和robots.txt规则。
# 3. 不得进行大规模爬取或对平台造成运营干扰。
# 4. 应合理控制请求频率，避免给目标平台带来不必要的负担。
# 5. 不得用于任何非法或不当的用途。
#
# 详细许可条款请参阅项目根目录下的LICENSE文件。
# 使用本代码即表示您同意遵守上述原则和LICENSE中的所有条款。
# -*- coding: utf-8 -*-
# @Author : persist1@126.com
# @Time : 2025/9/5 19:34
# @Desc : 快手存储实现类
import asyncio
import csv
import json
import os
import pathlib
from typing import Dict
from tools.async_file_writer import AsyncFileWriter
import aiofiles
from sqlalchemy import select
import config
from base.base_crawler import AbstractStore
from database.db_session import get_session
from database.models import KuaishouVideo, KuaishouVideoComment
from tools import utils, words
from var import crawler_type_var
def calculate_number_of_files(file_store_path: str) -> int:
"""计算数据保存文件的前部分排序数字，支持每次运行代码不写到同一个文件中
Args:
file_store_path;
Returns:
file nums
"""
if not os.path.exists(file_store_path):
return 1
try:
return max([int(file_name.split("_")[0]) for file_name in os.listdir(file_store_path)]) + 1
except ValueError:
return 1
class KuaishouCsvStoreImplement(AbstractStore):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.writer = AsyncFileWriter(platform="kuaishou", crawler_type=crawler_type_var.get())
async def store_content(self, content_item: Dict):
"""
Kuaishou content CSV storage implementation
Args:
content_item: note item dict
Returns:
"""
await self.writer.write_to_csv(item_type="contents", item=content_item)
async def store_comment(self, comment_item: Dict):
"""
Kuaishou comment CSV storage implementation
Args:
comment_item: comment item dict
Returns:
"""
await self.writer.write_to_csv(item_type="comments", item=comment_item)
async def store_creator(self, creator: Dict):
pass
class KuaishouDbStoreImplement(AbstractStore):
async def store_creator(self, creator: Dict):
pass
async def store_content(self, content_item: Dict):
"""
Kuaishou content DB storage implementation
Args:
content_item: content item dict
"""
video_id = content_item.get("video_id")
async with get_session() as session:
result = await session.execute(select(KuaishouVideo).where(KuaishouVideo.video_id == video_id))
video_detail = result.scalar_one_or_none()
if not video_detail:
content_item["add_ts"] = utils.get_current_timestamp()
new_content = KuaishouVideo(**content_item)
session.add(new_content)
else:
for key, value in content_item.items():
setattr(video_detail, key, value)
await session.commit()
async def store_comment(self, comment_item: Dict):
"""
Kuaishou comment DB storage implementation
Args:
comment_item: comment item dict
"""
comment_id = comment_item.get("comment_id")
async with get_session() as session:
result = await session.execute(
select(KuaishouVideoComment).where(KuaishouVideoComment.comment_id == comment_id))
comment_detail = result.scalar_one_or_none()
if not comment_detail:
comment_item["add_ts"] = utils.get_current_timestamp()
new_comment = KuaishouVideoComment(**comment_item)
session.add(new_comment)
else:
for key, value in comment_item.items():
setattr(comment_detail, key, value)
await session.commit()
class KuaishouJsonStoreImplement(AbstractStore):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.writer = AsyncFileWriter(platform="kuaishou", crawler_type=crawler_type_var.get())
async def store_content(self, content_item: Dict):
"""
content JSON storage implementation
Args:
content_item:
Returns:
"""
await self.writer.write_single_item_to_json(item_type="contents", item=content_item)
async def store_comment(self, comment_item: Dict):
"""
comment JSON storage implementation
Args:
comment_item:
Returns:
"""
await self.writer.write_single_item_to_json(item_type="comments", item=comment_item)
async def store_creator(self, creator: Dict):
pass
class KuaishouSqliteStoreImplement(KuaishouDbStoreImplement):
async def store_creator(self, creator: Dict):
pass