修改部分字段含义,维护缓存
This commit is contained in:
@@ -4,7 +4,6 @@ import datetime
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# from .message_storage import MongoDBMessageStorage
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from src.chat.utils.chat_message_builder import build_readable_messages, get_raw_msg_before_timestamp_with_chat
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from src.common.data_models import transform_class_to_dict
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# from src.config.config import global_config
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from typing import Dict, Any, Optional
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@@ -64,6 +64,12 @@ class EmojiManager:
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statement = select(Images)
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results = session.exec(statement).all()
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for record in results:
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if record.image_type != ImageType.EMOJI:
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continue
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if record.no_file_flag:
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continue
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if record.is_banned:
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continue
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try:
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emoji = MaiEmoji.from_db_instance(record)
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self.emojis.append(emoji)
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@@ -121,12 +127,13 @@ class EmojiManager:
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return False
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return True
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def delete_emoji(self, emoji: MaiEmoji) -> bool:
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def delete_emoji(self, emoji: MaiEmoji, no_desc: bool = False) -> bool:
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"""
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删除表情包的文件和数据库记录
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Args:
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emoji (MaiEmoji): 需要删除的表情包对象
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no_desc (bool): 如果为 True,则表示删除的表情包记录没有描述信息,删除时直接删除数据库记录;如果为`False`,则表示删除的表情包记录有描述信息,删除时将数据库记录的`no_file_flag`标记为`True`而不是直接删除记录。默认为`False`。
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Returns:
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return (bool): 删除是否成功
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"""
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@@ -146,15 +153,20 @@ class EmojiManager:
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with get_db_session() as session:
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statement = select(Images).filter_by(image_hash=emoji.file_hash, image_type=ImageType.EMOJI).limit(1)
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if image_record := session.exec(statement).first():
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session.delete(image_record)
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logger.info(f"[删除表情包] 成功删除数据库中的表情包记录: {emoji.file_hash}")
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if no_desc:
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session.delete(image_record)
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logger.info(f"[删除表情包] 成功删除数据库中的空表情包记录: {emoji.file_name}")
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else:
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image_record.no_file_flag = True
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session.add(image_record)
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logger.info(f"[删除表情包] 成功修改数据库中的表情包记录: {emoji.file_name}")
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else:
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logger.warning(f"[删除表情包] 数据库中未找到表情包记录: {emoji.file_hash}")
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logger.warning(f"[删除表情包] 数据库中未找到表情包记录: {emoji.file_name}")
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except Exception as e:
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logger.error(f"[删除表情包] 删除数据库记录时出错: {e}")
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# 如果数据库记录删除失败,但文件可能已删除,记录一个警告
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if file_to_delete.exists():
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logger.warning(f"[删除表情包] 数据库记录删除失败,但文件仍存在: {emoji.file_name}")
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logger.warning(f"[删除表情包] 数据库记录修改失败,但文件仍存在: {emoji.file_name}")
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return False
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return True
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@@ -177,7 +189,7 @@ class EmojiManager:
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statement = select(Images).filter_by(image_hash=emoji.file_hash, image_type=ImageType.EMOJI).limit(1)
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if image_record := session.exec(statement).first():
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emoji.query_count += 1
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image_record.query_count= emoji.query_count
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image_record.query_count = emoji.query_count
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emoji.last_used_time = datetime.now()
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image_record.last_used_time = emoji.last_used_time
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session.add(image_record)
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@@ -229,7 +241,7 @@ class EmojiManager:
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return (Optional[MaiEmoji]): 返回表情包对象,如果未找到则返回 None
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"""
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for emoji in self.emojis:
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if emoji.file_hash == emoji_hash and not emoji.is_deleted:
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if emoji.file_hash == emoji_hash:
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return emoji
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logger.info(f"[获取表情包] 未找到哈希值为 {emoji_hash} 的表情包")
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return None
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@@ -245,8 +257,15 @@ class EmojiManager:
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"""
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try:
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with get_db_session() as session:
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statement = select(Images).filter_by(image_hash=emoji_hash, image_type=ImageType.EMOJI).limit(1)
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statement = (
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select(Images)
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.filter_by(image_hash=emoji_hash, image_type=ImageType.EMOJI, is_banned=False)
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.limit(1)
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)
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if image_record := session.exec(statement).first():
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if image_record.no_file_flag:
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logger.warning(f"[数据库] 表情包记录 {emoji_hash} 标记为文件不存在,无法获取表情包对象")
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return None
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return MaiEmoji.from_db_instance(image_record)
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logger.info(f"[数据库] 未找到哈希值为 {emoji_hash} 的表情包记录")
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return None
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@@ -254,6 +273,25 @@ class EmojiManager:
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logger.error(f"[数据库] 获取表情包时出错: {e}")
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return None
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def ban_emoji(self, emoji: MaiEmoji) -> bool:
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"""封禁表情包,将表情包的 is_banned 字段设置为 True,并从表情包列表中移除"""
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try:
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with get_db_session() as session:
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statement = select(Images).filter_by(image_hash=emoji.file_hash, image_type=ImageType.EMOJI).limit(1)
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if image_record := session.exec(statement).first():
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image_record.is_banned = True
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session.add(image_record)
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if emoji in self.emojis:
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self.emojis.remove(emoji)
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logger.info(f"[封禁表情包] 成功封禁表情包: {emoji.file_name}")
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else:
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logger.warning(f"[封禁表情包] 未找到表情包记录: {emoji.file_name}")
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return False
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except Exception as e:
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logger.error(f"[封禁表情包] 封禁时出错: {e}")
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return False
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return True
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async def get_emoji_for_emotion(self, emotion_label: str) -> Optional[MaiEmoji]:
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"""
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根据文本情感标签获取合适的表情包
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@@ -285,6 +323,8 @@ class EmojiManager:
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"""
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使用 LLM 决策替换一个表情包
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**不校验是否开启表情包偷取**
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Args:
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new_emoji (MaiEmoji): 新添加的表情包对象
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Returns:
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@@ -361,7 +401,7 @@ class EmojiManager:
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# 调用VLM生成描述
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image_format = target_emoji.image_format
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image_bytes = target_emoji.read_image_bytes(target_emoji.full_path)
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image_bytes = await asyncio.to_thread(target_emoji.read_image_bytes, target_emoji.full_path)
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if image_format == "gif":
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try:
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@@ -436,21 +476,18 @@ class EmojiManager:
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检查表情包完整性,删除文件缺失的表情包记录
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"""
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logger.info("[完整性检查] 开始检查表情包文件完整性...")
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to_delete_emojis: list[MaiEmoji] = []
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to_delete_emojis: list[Tuple[MaiEmoji, bool]] = []
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removal_count = 0
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for emoji in self.emojis:
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if not emoji.full_path.exists():
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logger.warning(f"[完整性检查] 表情包文件缺失,准备删除记录: {emoji.file_name}")
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to_delete_emojis.append(emoji)
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if emoji.is_deleted:
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logger.warning(f"[完整性检查] 表情包记录标记为已删除,准备删除记录: {emoji.file_name}")
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to_delete_emojis.append(emoji)
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logger.warning(f"[完整性检查] 表情包文件缺失,准备修改记录: {emoji.file_name}")
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to_delete_emojis.append((emoji, False))
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if not emoji.description:
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logger.warning(f"[完整性检查] 表情包记录缺失描述,准备删除记录: {emoji.file_name}")
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to_delete_emojis.append(emoji)
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to_delete_emojis.append((emoji, True))
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for emoji in to_delete_emojis:
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if self.delete_emoji(emoji):
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for emoji, is_description_empty in to_delete_emojis:
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if self.delete_emoji(emoji, is_description_empty):
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self.emojis.remove(emoji)
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self._emoji_num -= 1
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removal_count += 1
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@@ -552,7 +589,7 @@ class EmojiManager:
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return False
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# 5. 检查容量并决定是否替换或者直接注册
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if self._emoji_num >= global_config.emoji.max_reg_num:
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if self._emoji_num >= global_config.emoji.max_reg_num and global_config.emoji.do_replace:
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logger.warning(f"[注册表情包] 表情包数量已达上限{global_config.emoji.max_reg_num},尝试替换一个表情包")
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replaced = await self.replace_an_emoji_by_llm(target_emoji)
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if not replaced:
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@@ -1,7 +1,6 @@
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from abc import ABC, abstractmethod
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from dataclasses import is_dataclass
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from typing import Any, Dict, Self, TypeVar, Generic, TYPE_CHECKING
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from typing import Self, TypeVar, Generic, TYPE_CHECKING
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import copy
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@@ -16,20 +15,6 @@ class BaseDataModel:
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return copy.deepcopy(self)
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def transform_class_to_dict(obj: Any) -> Dict[str, Any]:
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if obj is None:
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return {}
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if is_dataclass(obj):
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return obj.__dict__
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if hasattr(obj, "dict"):
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return obj.dict()
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if hasattr(obj, "model_dump"):
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return obj.model_dump()
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if hasattr(obj, "__dict__"):
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return obj.__dict__
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return {"value": obj}
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class BaseDatabaseDataModel(ABC, Generic[T]):
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@classmethod
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@abstractmethod
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@@ -33,9 +33,8 @@ class BaseImageDataModel(BaseDatabaseDataModel[Images]):
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self.file_hash: str = None # type: ignore
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self.image_bytes: Optional[bytes] = image_bytes
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self.image_format: str = "" # 图片格式
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self.is_deleted: bool = False # 是否已被标记为删除
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def read_image_bytes(self, path: Path) -> bytes:
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"""
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@@ -89,7 +88,6 @@ class BaseImageDataModel(BaseDatabaseDataModel[Images]):
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Returns:
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return (bool): 如果成功计算哈希值和格式则返回True,否则返回False
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"""
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try:
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# 计算哈希值
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logger.debug(f"[初始化] 计算 {self.file_name} 的哈希值...")
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@@ -109,7 +107,9 @@ class BaseImageDataModel(BaseDatabaseDataModel[Images]):
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# 比对文件扩展名和实际格式
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file_ext = self.file_name.split(".")[-1].lower()
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if file_ext != self.image_format:
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logger.warning(f"[初始化] {self.file_name} 文件扩展名与实际格式不符: ext`{file_ext}`!=`{self.image_format}`")
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logger.warning(
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f"[初始化] {self.file_name} 文件扩展名与实际格式不符: ext`{file_ext}`!=`{self.image_format}`"
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)
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# 重命名文件以匹配实际格式
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new_file_name = ".".join(self.file_name.split(".")[:-1] + [self.image_format])
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new_full_path = self.dir_path / new_file_name
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@@ -120,7 +120,6 @@ class BaseImageDataModel(BaseDatabaseDataModel[Images]):
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except Exception as e:
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logger.error(f"[初始化] 初始化图片时发生错误: {e}")
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logger.error(traceback.format_exc())
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self.is_deleted = True
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return False
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@@ -136,6 +135,19 @@ class MaiEmoji(BaseImageDataModel):
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@classmethod
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def from_db_instance(cls, db_record: Images):
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"""从数据库记录创建 MaiEmoji 对象,如果记录标记为文件不存在则**抛出异常**
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调用者应该对数据库记录进行检查,如果 `no_file_flag` 为 True 则不应该调用此方法
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Args:
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db_record (Images): 数据库中的图片记录
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Returns:
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return (MaiEmoji): 包含图片信息的 MaiEmoji 对象
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Raises:
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ValueError: 如果数据库记录标记为文件不存在则抛出该异常
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"""
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if db_record.no_file_flag:
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raise ValueError(f"数据库记录 {db_record.image_hash} 标记为文件不存在,无法创建 MaiEmoji 对象")
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obj = cls(db_record.full_path)
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obj.file_hash = db_record.image_hash
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obj.description = db_record.description
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@@ -168,6 +180,19 @@ class MaiImage(BaseImageDataModel):
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@classmethod
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def from_db_instance(cls, db_record: Images):
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"""从数据库记录创建 MaiImage 对象,如果记录标记为文件不存在则**抛出异常**
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调用者应该对数据库记录进行检查,如果 `no_file_flag` 为 True 则不应该调用此方法
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Args:
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db_record (Images): 数据库中的图片记录
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Returns:
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return (MaiImage): 包含图片信息的 MaiImage 对象
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Raises:
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ValueError: 如果数据库记录标记为文件不存在则抛出该异常
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"""
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if db_record.no_file_flag:
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raise ValueError(f"数据库记录 {db_record.image_hash} 标记为文件不存在,无法创建 MaiImage 对象")
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obj = cls(db_record.full_path)
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obj.file_hash = db_record.image_hash
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obj.full_path = Path(db_record.full_path)
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@@ -93,8 +93,10 @@ class Images(SQLModel, table=True):
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query_count: int = Field(default=0) # 被查询次数
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is_registered: bool = Field(default=False) # 是否已经注册
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is_banned: bool = Field(default=False) # 被手动禁用
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no_file_flag: bool = Field(default=False) # 文件不存在标记,如果为True表示文件已经不存在,仅保留描述字段
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record_time: datetime = Field(default_factory=datetime.now, sa_column=Column(DateTime, index=True)) # 记录时间(被创建的时间)
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record_time: datetime = Field(default_factory=datetime.now, sa_column=Column(DateTime, index=True)) # 记录时间(数据库记录被创建的时间)
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register_time: Optional[datetime] = Field(default=None, sa_column=Column(DateTime, nullable=True)) # 注册时间(被注册为可用表情包的时间)
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last_used_time: Optional[datetime] = Field(default=None, sa_column=Column(DateTime, nullable=True)) # 上次使用时间
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