MediaCrawler/models/xiaohongshu.py

151 lines
7.1 KiB
Python

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 request_keyword_var
class XhsBaseModel(Model):
id = fields.IntField(pk=True, autoincrement=True, description="自增ID")
user_id = fields.CharField(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")
ip_location = fields.CharField(null=True, max_length=255, description="评论时的IP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 XHSNote(XhsBaseModel):
note_id = fields.CharField(max_length=64, index=True, description="笔记ID")
type = fields.CharField(null=True, max_length=16, description="笔记类型(normal | video)")
title = fields.CharField(null=True, max_length=255, description="笔记标题")
desc = fields.TextField(null=True, description="笔记描述")
time = fields.BigIntField(description="笔记发布时间戳", index=True)
last_update_time = fields.BigIntField(description="笔记最后更新时间戳")
liked_count = fields.CharField(null=True, max_length=16, description="笔记点赞数")
collected_count = fields.CharField(null=True, max_length=16, description="笔记收藏数")
comment_count = fields.CharField(null=True, max_length=16, description="笔记评论数")
share_count = fields.CharField(null=True, max_length=16, description="笔记分享数")
image_list = fields.TextField(null=True, description="笔记封面图片列表")
note_url = fields.CharField(null=True, max_length=255, description="笔记详情页的URL")
class Meta:
table = "xhs_note"
table_description = "小红书笔记"
def __str__(self):
return f"{self.note_id} - {self.title}"
class XHSNoteComment(XhsBaseModel):
comment_id = fields.CharField(max_length=64, index=True, description="评论ID")
create_time = fields.BigIntField(index=True, description="评论时间戳")
note_id = fields.CharField(max_length=64, description="笔记ID")
content = fields.TextField(description="评论内容")
sub_comment_count = fields.IntField(description="子评论数量")
class Meta:
table = "xhs_note_comment"
table_description = "小红书笔记评论"
def __str__(self):
return f"{self.comment_id} - {self.content}"
async def update_xhs_note(note_item: Dict):
note_id = note_item.get("note_id")
user_info = note_item.get("user", {})
interact_info = note_item.get("interact_info", {})
image_list: List[Dict] = note_item.get("image_list", [])
local_db_item = {
"note_id": note_item.get("note_id"),
"type": note_item.get("type"),
"title": note_item.get("title") or note_item.get("desc", "")[:255],
"desc": note_item.get("desc", ""),
"time": note_item.get("time"),
"last_update_time": note_item.get("last_update_time", 0),
"user_id": user_info.get("user_id"),
"nickname": user_info.get("nickname"),
"avatar": user_info.get("avatar"),
"liked_count": interact_info.get("liked_count"),
"collected_count": interact_info.get("collected_count"),
"comment_count": interact_info.get("comment_count"),
"share_count": interact_info.get("share_count"),
"ip_location": note_item.get("ip_location", ""),
"image_list": ','.join([img.get('url', '') for img in image_list]),
"last_modify_ts": utils.get_current_timestamp(),
"note_url": f"https://www.xiaohongshu.com/explore/{note_id}"
}
print("xhs note:", local_db_item)
if config.IS_SAVED_DATABASED:
if not await XHSNote.filter(note_id=note_id).first():
local_db_item["add_ts"] = utils.get_current_timestamp()
note_pydantic = pydantic_model_creator(XHSNote, name="XHSPydanticCreate", exclude=('id',))
note_data = note_pydantic(**local_db_item)
note_pydantic.validate(note_data)
await XHSNote.create(**note_data.dict())
else:
note_pydantic = pydantic_model_creator(XHSNote, name="XHSPydanticUpdate", exclude=('id', 'add_ts'))
note_data = note_pydantic(**local_db_item)
note_pydantic.validate(note_data)
await XHSNote.filter(note_id=note_id).update(**note_data.dict())
else:
# Below is a simple way to save it in CSV format.
source_keywords = request_keyword_var.get()
pathlib.Path(f"data/xhs").mkdir(parents=True, exist_ok=True)
with open(f"data/xhs/notes_{source_keywords}.csv", 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 update_xhs_note_comment(note_id: str, comment_item: Dict):
user_info = comment_item.get("user_info", {})
comment_id = comment_item.get("id")
local_db_item = {
"comment_id": comment_id,
"create_time": comment_item.get("create_time"),
"ip_location": comment_item.get("ip_location"),
"note_id": note_id,
"content": comment_item.get("content"),
"user_id": user_info.get("user_id"),
"nickname": user_info.get("nickname"),
"avatar": user_info.get("image"),
"sub_comment_count": comment_item.get("sub_comment_count"),
"last_modify_ts": utils.get_current_timestamp(),
}
print("xhs note comment:", local_db_item)
if config.IS_SAVED_DATABASED:
if not await XHSNoteComment.filter(comment_id=comment_id).first():
local_db_item["add_ts"] = utils.get_current_timestamp()
comment_pydantic = pydantic_model_creator(XHSNoteComment, name="CommentPydanticCreate", exclude=('id',))
comment_data = comment_pydantic(**local_db_item)
comment_pydantic.validate(comment_data)
await XHSNoteComment.create(**comment_data.dict())
else:
comment_pydantic = pydantic_model_creator(XHSNoteComment, name="CommentPydanticUpdate",
exclude=('id', 'add_ts',))
comment_data = comment_pydantic(**local_db_item)
comment_pydantic.validate(comment_data)
await XHSNoteComment.filter(comment_id=comment_id).update(**comment_data.dict())
else:
# Below is a simple way to save it in CSV format.
source_keywords = request_keyword_var.get()
pathlib.Path(f"data/xhs").mkdir(parents=True, exist_ok=True)
with open(f"data/xhs/comment_{source_keywords}.csv", 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())