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Refactor context out of chatgpt command

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Stef Dunlap 2023-03-09 00:03:43 -05:00
parent 112e960135
commit 1abaa24a2b
2 changed files with 124 additions and 104 deletions
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4
config.example.json
View File

@ -3,5 +3,7 @@
"port": 6697,
"nick": "chatgpt",
"channels": ["#chatgpt"],
"openaiApiKey": "[redacted]"
"openaiApiKey": "[redacted]",
"initialSystemMessage": "You are a helpful assistant.",
"alwaysRemember": false
}

222
index.js
View File

@ -4,12 +4,17 @@ const irc = require('irc');
const axios = require('axios');
const config = require('./config.json');
const seed_messages = [{role: 'system', content: config.initialSystemMessage}];
// context is a list of strings that are used to seed the chatgpt api and it's responses
class Context {
messages = [];
currentLine = '';
currentResponse = '';
constructor(messages = seed_messages) {
this.messages = messages;
}
add_user_prompt(message) {
this.messages.push({ role: 'user', content: message });
}
@ -18,41 +23,41 @@ class Context {
this.messages.push({ role: 'assistant', content: message });
}
append_to_line(message) {
this.currentLine += message;
}
end_line() {
const the_line = this.currentLine;
this.currentResponse += `${the_line}\n\n`;
this.currentLine = '';
return the_line;
end_line(line) {
this.currentResponse += `${line}\n\n`;
return line;
}
finish_current_response() {
this.add_assistant_message(this.currentResponse);
const theLine = this.currentLine;
const theLine = this.currentLine;
this.currentResponse = '';
this.currentLine = '';
this.save_history();
return theLine;
}
is_response_in_progress() {
return this.currentResponse !== '' || this.currentLine !== '';
save_history() {
const prettyData = JSON.stringify(this.messages, null, 2);
fs.writeFileSync('./messages.json', prettyData);
}
peek_line() {
return this.currentLine;
is_response_in_progress() {
return this.currentResponse !== '';
}
clear() {
this.messages = [];
this.currentResponse = '';
this.currentLine = '';
}
}
const context = new Context();
let context = new Context(savedMessages);
if (fs.existsSync('./messages.json')) {
savedMessages = require('./messages.json');
context = new Context(savedMessages);
} else {
context = new Context(seed_messages);
}
const client = new irc.Client(config.server, config.nick, {
channels: config.channels,
@ -60,101 +65,114 @@ const client = new irc.Client(config.server, config.nick, {
// listen for messages that start with !chat and call the chatgpt api with a callback that prints the response line by line
client.addListener('message', async (from, to, message) => {
is_chat_cmd = message.startsWith('!chat');
is_cont_cmd = message.startsWith('!cont');
let is_chat_cmd = message.startsWith('!chat');
let is_cont_cmd = message.startsWith('!cont');
if (is_chat_cmd || is_cont_cmd) {
if(context.is_response_in_progress()) { return; }
if(is_chat_cmd) {
if (context.is_response_in_progress()) {
message(`(chat from ${from} ignored, response in progress)`)
return;
}
if(is_chat_cmd && !config.alwaysRemember) {
context.clear();
}
context.add_user_prompt(query);
const query = message.slice(6);
chatgpt(query, (line) => {
client.say(to, line);
});
try {
await chatgpt(query, context.messages, handleChatGPTResponseLine);
context.finish_current_response();
} catch (e) {
console.log(e);
client.say(to, 'Error: ' + e);
}
}
function handleChatGPTResponseLine(line) {
context.end_line(line);
client.say(to, line);
}
});
// function that calls the chatgpt streaming api (with server send events) and calls the callback function for each line
async function chatgpt(query, callback) {
// a very primitive mutex to prevent multiple calls to the api at once
if(context.is_response_in_progress()) { return; }
context.add_user_prompt(query);
function chatgpt(query, messages, callback) {
const apiUrl = 'https://api.openai.com/v1/chat/completions';
let response = null;
try {
response = await axios.post(apiUrl, {
messages: context.messages,
model: 'gpt-3.5-turbo',
stream: true,
}, {
headers: {
Authorization: `Bearer ${config.openaiApiKey}`,
'Content-Type': 'application/json',
},
responseType: 'stream',
});
} catch(error) {
if (error.response) {
// The request was made and the server responded with a status code
// that falls out of the range of 2xx
console.log(error.toJSON());
} else if (error.request) {
// The request was made but no response was received
// `error.request` is an instance of XMLHttpRequest in the browser and an instance of
// http.ClientRequest in node.js
console.log(error.request);
} else {
// Something happened in setting up the request that triggered an Error
console.log('Error', error.message);
}
return;
}
let currentLine = '';
response.data.on('data', (event) => {
let data = event.toString();
let parts = data.split('\n');
// parse if starts with data:
for(part of parts) {
console.log(part);
if(part === 'data: [DONE]') {
callback(context.finish_current_response());
} else if(part.startsWith('data: ')) {
let jsonString = part.slice(part.indexOf('{'), part.lastIndexOf('}') + 1);
try {
let json = JSON.parse(jsonString);
let chunk = json.choices[0].delta.content;
if (!chunk) {
continue;
}
//split the chunk into lines leaving the delimiter in the array
const lines = chunk.split(/\r?\n/); // split by new lines
let hasStartNewline = chunk.startsWith("\n");
let hasEndNewline = chunk.endsWith("\n");
if(hasStartNewline) {
callback(context.end_line())
}
for (let i = 0; i < lines.length - 1; i++) {
context.append_to_line(lines[i]);
callback(context.end_line());
}
context.append_to_line(lines[lines.length - 1]);
if(hasEndNewline) {
callback(context.end_line());
}
if (context.peek_line().length > 400) {
callback(context.end_line());
}
} catch (e) {
console.log(e);
return new Promise((resolve, reject) => {
axios.post(apiUrl, {
messages: messages,
model: 'gpt-3.5-turbo',
stream: true,
}, {
headers: {
Authorization: `Bearer ${config.openaiApiKey}`,
'Content-Type': 'application/json',
},
responseType: 'stream',
}).then(response => {
response.data.on('data', (event) => {
let data = event.toString();
let parts = data.split('\n');
// parse if starts with data:
for (let part of parts) {
console.log(part);
if (part === 'data: [DONE]') {
callback(currentLine);
resolve();
} else if (part.startsWith('data: ')) {
let jsonString = part.slice(part.indexOf('{'), part.lastIndexOf('}') + 1);
try {
let json = JSON.parse(jsonString);
let chunk = json.choices[0].delta.content;
if (!chunk) {
continue;
}
const lines = chunk.split(/\r?\n/);
let hasStartNewline = chunk.startsWith("\n");
let hasEndNewline = chunk.endsWith("\n");
if (hasStartNewline) {
callback(currentLine);
currentLine = '';
}
for (let i = 0; i < lines.length - 1; i++) {
currentLine += lines[i];
callback(currentLine);
currentLine = '';
}
currentLine += lines[lines.length - 1];
if (hasEndNewline) {
callback(currentLine);
currentLine = '';
}
if (currentLine.length > 400) {
callback(currentLine);
currentLine = '';
}
} catch (e) {
console.log(e);
console.log(part);
}
}
}
});
}).catch(error => {
if (error.response) {
console.log(error.toJSON());
} else if (error.request) {
console.log(error.request);
} else {
console.log('Error', error.message);
}
}
reject(error);
});
});
}