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Merge pull request #38 from Yanyutin753/transfer

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优化降低传文件上下文混淆问题
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Vinlic科技 2024-04-02 23:17:13 +08:00 committed by GitHub
commit ff59201961
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1 changed files with 37 additions and 7 deletions
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44
src/api/controllers/chat.ts
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@ -347,6 +347,7 @@ function extractRefFileUrls(messages: any[]) {
urls.push(v['image_url']['url']);
});
}
logger.info("本次请求上传：" + urls.length + "个文件");
return urls;
}
@ -361,24 +362,53 @@ function extractRefFileUrls(messages: any[]) {
* @param messages 参考gpt系列消息格式，多轮对话请完整提供上下文
*/
function messagesPrepare(messages: any[]) {
// 只保留最新消息以及不包含"type": "image_url"或"type": "file"的消息
let validMessages = messages.filter((message, index) => {
if (index === messages.length - 1) return true;
if (!Array.isArray(message.content)) return true;
// 不含"type": "image_url"或"type": "file"的消息保留
return !message.content.some(v => (typeof v === 'object' && ['file', 'image_url'].includes(v['type'])));
// 先剔除所有的 base64 数据
let validMessages = messages.map((message) => {
if (Array.isArray(message.content)) {
message.content = message.content.filter(v => {
if (typeof v === 'object' && ['file', 'image_url'].includes(v['type'])) {
// 如果内容是 base64 数据，就剔除
return !util.isBASE64Data(v['url']);
}
// 如果不是 base64 数据，就保留
return true;
});
}
return message;
});
// 检查最新消息是否含有"type": "image_url"或"type": "file",如果有则注入消息
let latestMessage = validMessages[validMessages.length - 1];
let hasFileOrImage = Array.isArray(latestMessage.content)
&& latestMessage.content.some(v => (typeof v === 'object' && ['file', 'image_url'].includes(v['type'])));
if (hasFileOrImage) {
let newFileMessage = {
"content": "关注用户最新发送文件和消息结尾",
"role": "system"
};
validMessages.splice(validMessages.length - 1, 0, newFileMessage);
logger.info("检查注入文件消息");
} else {
let newTextMessage = {
"content": "关注用户消息的结尾",
"role": "system"
};
validMessages.splice(validMessages.length - 1, 0, newTextMessage);
logger.info("检查注入文本消息");
}
const content = validMessages.reduce((content, message) => {
if (Array.isArray(message.content)) {
return message.content.reduce((_content, v) => {
if (!_.isObject(v) || v['type'] != 'text')
return _content;
return _content + (v['text'] || '');
return _content + ('user:' + v['text'] || '') + "\n";
}, content);
}
return content += `${message.role || 'user'}:${wrapUrlsToTags(message.content)}\n`;
}, '');
logger.info("上传消息：" + content);
return [
{ role: 'user', content }
]