172 lines
8.4 KiB
Python
172 lines
8.4 KiB
Python
import csv
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import pathlib
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from typing import Dict, List
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from tortoise import fields
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from tortoise.contrib.pydantic import pydantic_model_creator
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from tortoise.models import Model
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import config
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from tools import utils
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from var import crawler_type_var
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class DouyinBaseModel(Model):
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id = fields.IntField(pk=True, autoincrement=True, description="自增ID")
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user_id = fields.CharField(null=True, max_length=64, description="用户ID")
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sec_uid = fields.CharField(null=True, max_length=128, description="用户sec_uid")
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short_user_id = fields.CharField(null=True, max_length=64, description="用户短ID")
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user_unique_id = fields.CharField(null=True, max_length=64, description="用户唯一ID")
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nickname = fields.CharField(null=True, max_length=64, description="用户昵称")
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avatar = fields.CharField(null=True, max_length=255, description="用户头像地址")
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user_signature = fields.CharField(null=True, max_length=500, description="用户签名")
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ip_location = fields.CharField(null=True, max_length=255, description="评论时的IP地址")
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add_ts = fields.BigIntField(description="记录添加时间戳")
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last_modify_ts = fields.BigIntField(description="记录最后修改时间戳")
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class Meta:
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abstract = True
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class DouyinAweme(DouyinBaseModel):
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aweme_id = fields.CharField(max_length=64, index=True, description="视频ID")
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aweme_type = fields.CharField(max_length=16, description="视频类型")
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title = fields.CharField(null=True, max_length=500, description="视频标题")
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desc = fields.TextField(null=True, description="视频描述")
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create_time = fields.BigIntField(description="视频发布时间戳", index=True)
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liked_count = fields.CharField(null=True, max_length=16, description="视频点赞数")
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comment_count = fields.CharField(null=True, max_length=16, description="视频评论数")
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share_count = fields.CharField(null=True, max_length=16, description="视频分享数")
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collected_count = fields.CharField(null=True, max_length=16, description="视频收藏数")
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aweme_url = fields.CharField(null=True, max_length=255, description="视频详情页URL")
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class Meta:
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table = "douyin_aweme"
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table_description = "抖音视频"
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def __str__(self):
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return f"{self.aweme_id} - {self.title}"
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class DouyinAwemeComment(DouyinBaseModel):
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comment_id = fields.CharField(max_length=64, index=True, description="评论ID")
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aweme_id = fields.CharField(max_length=64, index=True, description="视频ID")
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content = fields.TextField(null=True, description="评论内容")
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create_time = fields.BigIntField(description="评论时间戳")
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sub_comment_count = fields.CharField(max_length=16, description="评论回复数")
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class Meta:
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table = "douyin_aweme_comment"
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table_description = "抖音视频评论"
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def __str__(self):
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return f"{self.comment_id} - {self.content}"
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async def update_douyin_aweme(aweme_item: Dict):
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aweme_id = aweme_item.get("aweme_id")
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user_info = aweme_item.get("author", {})
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interact_info = aweme_item.get("statistics", {})
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local_db_item = {
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"aweme_id": aweme_id,
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"aweme_type": str(aweme_item.get("aweme_type")),
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"title": aweme_item.get("desc", ""),
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"desc": aweme_item.get("desc", ""),
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"create_time": aweme_item.get("create_time"),
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"user_id": user_info.get("uid"),
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"sec_uid": user_info.get("sec_uid"),
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"short_user_id": user_info.get("short_id"),
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"user_unique_id": user_info.get("unique_id"),
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"user_signature": user_info.get("signature"),
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"nickname": user_info.get("nickname"),
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"avatar": user_info.get("avatar_thumb", {}).get("url_list", [""])[0],
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"liked_count": str(interact_info.get("digg_count")),
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"collected_count": str(interact_info.get("collect_count")),
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"comment_count": str(interact_info.get("comment_count")),
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"share_count": str(interact_info.get("share_count")),
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"ip_location": aweme_item.get("ip_label", ""),
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"last_modify_ts": utils.get_current_timestamp(),
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"aweme_url": f"https://www.douyin.com/video/{aweme_id}"
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}
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print(f"douyin aweme id:{aweme_id}, title:{local_db_item.get('title')}")
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if config.IS_SAVED_DATABASED:
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if not await DouyinAweme.filter(aweme_id=aweme_id).exists():
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local_db_item["add_ts"] = utils.get_current_timestamp()
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douyin_aweme_pydantic = pydantic_model_creator(DouyinAweme, name='DouyinAwemeCreate', exclude=('id',))
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douyin_data = douyin_aweme_pydantic(**local_db_item)
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douyin_aweme_pydantic.validate(douyin_data)
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await DouyinAweme.create(**douyin_data.dict())
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else:
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douyin_aweme_pydantic = pydantic_model_creator(DouyinAweme, name='DouyinAwemeUpdate',
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exclude=('id', 'add_ts'))
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douyin_data = douyin_aweme_pydantic(**local_db_item)
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douyin_aweme_pydantic.validate(douyin_data)
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await DouyinAweme.filter(aweme_id=aweme_id).update(**douyin_data.dict())
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else:
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# Below is a simple way to save it in CSV format.
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pathlib.Path(f"data/dy").mkdir(parents=True, exist_ok=True)
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save_file_name = f"data/dy/{crawler_type_var.get()}_awemes_{utils.get_current_date()}.csv"
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with open(save_file_name, mode='a+', encoding="utf-8-sig", newline="") as f:
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writer = csv.writer(f)
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if f.tell() == 0:
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writer.writerow(local_db_item.keys())
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writer.writerow(local_db_item.values())
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async def batch_update_dy_aweme_comments(aweme_id: str, comments: List[Dict]):
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if not comments:
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return
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for comment_item in comments:
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await update_dy_aweme_comment(aweme_id, comment_item)
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async def update_dy_aweme_comment(aweme_id: str, comment_item: Dict):
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comment_aweme_id = comment_item.get("aweme_id")
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if aweme_id != comment_aweme_id:
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print(f"comment_aweme_id: {comment_aweme_id} != aweme_id: {aweme_id}")
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return
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user_info = comment_item.get("user", {})
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comment_id = comment_item.get("cid")
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avatar_info = user_info.get("avatar_medium", {}) or user_info.get("avatar_300x300", {}) or user_info.get(
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"avatar_168x168", {}) or user_info.get("avatar_thumb", {}) or {}
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local_db_item = {
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"comment_id": comment_id,
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"create_time": comment_item.get("create_time"),
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"ip_location": comment_item.get("ip_label", ""),
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"aweme_id": aweme_id,
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"content": comment_item.get("text"),
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"user_id": user_info.get("uid"),
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"sec_uid": user_info.get("sec_uid"),
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"short_user_id": user_info.get("short_id"),
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"user_unique_id": user_info.get("unique_id"),
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"user_signature": user_info.get("signature"),
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"nickname": user_info.get("nickname"),
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"avatar": avatar_info.get("url_list", [""])[0],
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"sub_comment_count": str(comment_item.get("reply_comment_total", 0)),
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"last_modify_ts": utils.get_current_timestamp(),
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}
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print(f"douyin aweme comment: {comment_id}, content: {local_db_item.get('content')}")
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if config.IS_SAVED_DATABASED:
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if not await DouyinAwemeComment.filter(comment_id=comment_id).exists():
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local_db_item["add_ts"] = utils.get_current_timestamp()
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comment_pydantic = pydantic_model_creator(DouyinAwemeComment, name='DouyinAwemeCommentCreate',
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exclude=('id',))
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comment_data = comment_pydantic(**local_db_item)
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comment_pydantic.validate(comment_data)
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await DouyinAwemeComment.create(**comment_data.dict())
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else:
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comment_pydantic = pydantic_model_creator(DouyinAwemeComment, name='DouyinAwemeCommentUpdate',
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exclude=('id', 'add_ts'))
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comment_data = comment_pydantic(**local_db_item)
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comment_pydantic.validate(comment_data)
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await DouyinAwemeComment.filter(comment_id=comment_id).update(**comment_data.dict())
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else:
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pathlib.Path(f"data/dy").mkdir(parents=True, exist_ok=True)
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save_file_name = f"data/dy/{crawler_type_var.get()}_comments_{utils.get_current_date()}.csv"
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with open(save_file_name, mode='a+', encoding="utf-8-sig", newline="") as f:
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writer = csv.writer(f)
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if f.tell() == 0:
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writer.writerow(local_db_item.keys())
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writer.writerow(local_db_item.values())
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