MediaCrawler/models/douyin.py

169 lines
8.2 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 DouyinBaseModel(Model):
id = fields.IntField(pk=True, autoincrement=True, description="自增ID")
user_id = fields.CharField(null=True, max_length=64, description="用户ID")
sec_uid = fields.CharField(null=True, max_length=128, description="用户sec_uid")
short_user_id = fields.CharField(null=True, max_length=64, description="用户短ID")
user_unique_id = fields.CharField(null=True, max_length=64, description="用户唯一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")
user_signature = fields.CharField(null=True, max_length=500, description="用户签名")
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 DouyinAweme(DouyinBaseModel):
aweme_id = fields.CharField(max_length=64, index=True, description="视频ID")
aweme_type = fields.CharField(max_length=16, description="视频类型")
title = fields.CharField(null=True, max_length=500, description="视频标题")
desc = fields.TextField(null=True, description="视频描述")
create_time = fields.BigIntField(description="视频发布时间戳", index=True)
liked_count = fields.CharField(null=True, max_length=16, description="视频点赞数")
comment_count = fields.CharField(null=True, max_length=16, description="视频评论数")
share_count = fields.CharField(null=True, max_length=16, description="视频分享数")
collected_count = fields.CharField(null=True, max_length=16, description="视频收藏数")
class Meta:
table = "douyin_aweme"
table_description = "抖音视频"
def __str__(self):
return f"{self.aweme_id} - {self.title}"
class DouyinAwemeComment(DouyinBaseModel):
comment_id = fields.CharField(max_length=64, index=True, description="评论ID")
aweme_id = fields.CharField(max_length=64, index=True, description="视频ID")
content = fields.TextField(null=True, description="评论内容")
create_time = fields.BigIntField(description="评论时间戳")
sub_comment_count = fields.CharField(max_length=16, description="评论回复数")
class Meta:
table = "douyin_aweme_comment"
table_description = "抖音视频评论"
def __str__(self):
return f"{self.comment_id} - {self.content}"
async def update_douyin_aweme(aweme_item: Dict):
aweme_id = aweme_item.get("aweme_id")
user_info = aweme_item.get("author", {})
interact_info = aweme_item.get("statistics", {})
local_db_item = {
"aweme_id": aweme_id,
"aweme_type": aweme_item.get("aweme_type"),
"title": aweme_item.get("desc", ""),
"desc": aweme_item.get("desc", ""),
"create_time": aweme_item.get("create_time"),
"user_id": user_info.get("uid"),
"sec_uid": user_info.get("sec_uid"),
"short_user_id": user_info.get("short_id"),
"user_unique_id": user_info.get("unique_id"),
"user_signature": user_info.get("signature"),
"nickname": user_info.get("nickname"),
"avatar": user_info.get("avatar_thumb", {}).get("url_list", [""])[0],
"liked_count": interact_info.get("digg_count"),
"collected_count": interact_info.get("collect_count"),
"comment_count": interact_info.get("comment_count"),
"share_count": interact_info.get("share_count"),
"ip_location": aweme_item.get("ip_label", ""),
"last_modify_ts": utils.get_current_timestamp(),
}
print(f"douyin aweme id:{aweme_id}, title:{local_db_item.get('title')}")
if config.IS_SAVED_DATABASED:
if not await DouyinAweme.filter(aweme_id=aweme_id).exists():
local_db_item["add_ts"] = utils.get_current_timestamp()
douyin_aweme_pydantic = pydantic_model_creator(DouyinAweme, name='DouyinAwemeCreate', exclude=('id',))
douyin_data = douyin_aweme_pydantic(**local_db_item)
douyin_aweme_pydantic.validate(douyin_data)
await DouyinAweme.create(**douyin_data.dict())
else:
douyin_aweme_pydantic = pydantic_model_creator(DouyinAweme, name='DouyinAwemeUpdate',
exclude=('id', 'add_ts'))
douyin_data = douyin_aweme_pydantic(**local_db_item)
douyin_aweme_pydantic.validate(douyin_data)
await DouyinAweme.filter(aweme_id=aweme_id).update(**douyin_data.dict())
else:
# Below is a simple way to save it in CSV format.
source_keywords = request_keyword_var.get()
pathlib.Path(f"data/dy").mkdir(parents=True, exist_ok=True)
with open(f"data/dy/aweme_{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 batch_update_dy_aweme_comments(aweme_id: str, comments: List[Dict]):
if not comments:
return
for comment_item in comments:
await update_dy_aweme_comment(aweme_id, comment_item)
async def update_dy_aweme_comment(aweme_id: str, comment_item: Dict):
comment_aweme_id = comment_item.get("aweme_id")
if aweme_id != comment_aweme_id:
print(f"comment_aweme_id: {comment_aweme_id} != aweme_id: {aweme_id}")
return
user_info = comment_item.get("user", {})
comment_id = comment_item.get("cid")
avatar_info = user_info.get("avatar_medium", {}) or user_info.get("avatar_300x300", {}) or user_info.get(
"avatar_168x168", {}) or user_info.get("avatar_thumb", {}) or {}
local_db_item = {
"comment_id": comment_id,
"create_time": comment_item.get("create_time"),
"ip_location": comment_item.get("ip_label", ""),
"aweme_id": aweme_id,
"content": comment_item.get("text"),
"user_id": user_info.get("uid"),
"sec_uid": user_info.get("sec_uid"),
"short_user_id": user_info.get("short_id"),
"user_unique_id": user_info.get("unique_id"),
"user_signature": user_info.get("signature"),
"nickname": user_info.get("nickname"),
"avatar": avatar_info.get("url_list", [""])[0],
"sub_comment_count": comment_item.get("reply_comment_total", 0),
"last_modify_ts": utils.get_current_timestamp(),
}
print(f"douyin aweme comment: {comment_id}, content: {local_db_item.get('content')}")
if config.IS_SAVED_DATABASED:
if not await DouyinAwemeComment.filter(comment_id=comment_id).exists():
local_db_item["add_ts"] = utils.get_current_timestamp()
comment_pydantic = pydantic_model_creator(DouyinAwemeComment, name='DouyinAwemeCommentCreate',
exclude=('id',))
comment_data = comment_pydantic(**local_db_item)
comment_pydantic.validate(comment_data)
await DouyinAwemeComment.create(**comment_data.dict())
else:
comment_pydantic = pydantic_model_creator(DouyinAwemeComment, name='DouyinAwemeCommentUpdate',
exclude=('id', 'add_ts'))
comment_data = comment_pydantic(**local_db_item)
comment_pydantic.validate(comment_data)
await DouyinAwemeComment.filter(comment_id=comment_id).update(**comment_data.dict())
else:
source_keywords = request_keyword_var.get()
pathlib.Path(f"data/dy").mkdir(parents=True, exist_ok=True)
with open(f"data/dy/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())