462 lines
17 KiB
Python
462 lines
17 KiB
Python
import openai
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#from langchain.embeddings import HuggingFaceEmbeddings
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from langchain.embeddings import LocalAIEmbeddings
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import uuid
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import requests
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from loguru import logger
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from ascii_magic import AsciiArt
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# these three lines swap the stdlib sqlite3 lib with the pysqlite3 package for chroma
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__import__('pysqlite3')
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import sys
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sys.modules['sqlite3'] = sys.modules.pop('pysqlite3')
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from langchain.vectorstores import Chroma
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from chromadb.config import Settings
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import json
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import os
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FUNCTIONS_MODEL = os.environ.get("FUNCTIONS_MODEL", "functions")
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LLM_MODEL = os.environ.get("LLM_MODEL", "gpt-4")
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VOICE_MODEL= os.environ.get("TTS_MODEL","en-us-kathleen-low.onnx")
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DEFAULT_SD_MODEL = os.environ.get("DEFAULT_SD_MODEL", "stablediffusion")
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DEFAULT_SD_PROMPT = os.environ.get("DEFAULT_SD_PROMPT", "floating hair, portrait, ((loli)), ((one girl)), cute face, hidden hands, asymmetrical bangs, beautiful detailed eyes, eye shadow, hair ornament, ribbons, bowties, buttons, pleated skirt, (((masterpiece))), ((best quality)), colorful|((part of the head)), ((((mutated hands and fingers)))), deformed, blurry, bad anatomy, disfigured, poorly drawn face, mutation, mutated, extra limb, ugly, poorly drawn hands, missing limb, blurry, floating limbs, disconnected limbs, malformed hands, blur, out of focus, long neck, long body, Octane renderer, lowres, bad anatomy, bad hands, text")
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REPLY_ACTION = "reply"
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#embeddings = HuggingFaceEmbeddings(model_name="all-MiniLM-L6-v2")
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embeddings = LocalAIEmbeddings(model="all-MiniLM-L6-v2")
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chroma_client = Chroma(collection_name="memories", persist_directory="db", embedding_function=embeddings)
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# Function to create images with OpenAI
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def create_image(input_text=DEFAULT_SD_PROMPT, model=DEFAULT_SD_MODEL):
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response = openai.Image.create(
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prompt=input_text,
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n=1,
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size="128x128",
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api_base=os.environ.get("OPENAI_API_BASE", "http://api:8080")+"/v1"
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)
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image_url = response['data'][0]['url']
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# convert the image to ascii art
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my_art = AsciiArt.from_url(image_url)
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my_art.to_terminal()
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def tts(input_text, model=VOICE_MODEL):
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# strip newlines from text
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input_text = input_text.replace("\n", ".")
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# Create a temp file to store the audio output
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output_file_path = '/tmp/output.wav'
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# get from OPENAI_API_BASE env var
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url = os.environ.get("OPENAI_API_BASE", "http://api:8080") + '/tts'
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headers = {'Content-Type': 'application/json'}
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data = {
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"input": input_text,
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"model": model
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}
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response = requests.post(url, headers=headers, data=json.dumps(data))
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if response.status_code == 200:
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with open(output_file_path, 'wb') as f:
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f.write(response.content)
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print('Audio file saved successfully:', output_file_path)
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else:
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print('Request failed with status code', response.status_code)
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# Use aplay to play the audio
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os.system('aplay ' + output_file_path)
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# remove the audio file
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os.remove(output_file_path)
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def calculate_plan(user_input, agent_actions={}):
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logger.info("--> Calculating plan: {description}", description=res["description"])
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messages = [
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{"role": "user",
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"content": f"""Transcript of AI assistant responding to user requests.
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Replies with a plan to achieve the user's goal with a list of subtasks with logical steps.
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Request: {res["description"]}
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Function call: """
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}
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]
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# get list of plannable actions
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plannable_actions = []
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for action in agent_actions:
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if agent_actions[action]["plannable"]:
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# append the key of the dict to plannable_actions
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plannable_actions.append(action)
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functions = [
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{
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"name": "plan",
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"description": """Decide to do an action.""",
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"parameters": {
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"type": "object",
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"properties": {
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"subtasks": {
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"type": "array",
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"items": {
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"type": "object",
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"properties": {
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"reasoning": {
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"type": "string",
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"description": "subtask list",
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},
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"function": {
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"type": "string",
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"enum": plannable_actions,
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},
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},
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},
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},
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},
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"required": ["subtasks"]
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}
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},
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]
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response = openai.ChatCompletion.create(
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#model="gpt-3.5-turbo",
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model=FUNCTIONS_MODEL,
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messages=messages,
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functions=functions,
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max_tokens=200,
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stop=None,
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temperature=0.5,
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#function_call="auto"
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function_call={"name": "plan"},
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)
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response_message = response["choices"][0]["message"]
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if response_message.get("function_call"):
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function_name = response.choices[0].message["function_call"].name
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function_parameters = response.choices[0].message["function_call"].arguments
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# read the json from the string
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res = json.loads(function_parameters)
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print(">>> function name: "+function_name)
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print(">>> function parameters: "+function_parameters)
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return res
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return {"action": "none"}
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def needs_to_do_action(user_input,agent_actions={}):
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# Get the descriptions and the actions name (the keys)
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descriptions=""
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for action in agent_actions:
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descriptions+=agent_actions[action]["description"]+"\n"
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messages = [
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{"role": "user",
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"content": f"""Transcript of AI assistant responding to user requests. Replies with the action to perform, including reasoning, and the confidence interval from 0 to 100.
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{descriptions}
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Request: {user_input}
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Function call: """
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}
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]
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functions = [
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{
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"name": "intent",
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"description": """Decide to do an action.""",
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"parameters": {
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"type": "object",
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"properties": {
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"confidence": {
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"type": "number",
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"description": "confidence of the action"
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},
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"action": {
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"type": "string",
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"enum": list(agent_actions.keys()),
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"description": "user intent"
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},
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"reasoning": {
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"type": "string",
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"description": "reasoning behind the intent"
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},
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},
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"required": ["action"]
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}
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},
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]
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response = openai.ChatCompletion.create(
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#model="gpt-3.5-turbo",
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model=FUNCTIONS_MODEL,
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messages=messages,
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functions=functions,
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max_tokens=200,
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stop=None,
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temperature=0.5,
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#function_call="auto"
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function_call={"name": "intent"},
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)
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response_message = response["choices"][0]["message"]
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if response_message.get("function_call"):
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function_name = response.choices[0].message["function_call"].name
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function_parameters = response.choices[0].message["function_call"].arguments
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# read the json from the string
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res = json.loads(function_parameters)
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print(">>> function name: "+function_name)
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print(">>> function parameters: "+function_parameters)
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return res
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return {"action": REPLY_ACTION}
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### Agent capabilities
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def save(memory, agent_actions={}):
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print(">>> saving to memories: ")
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print(memory)
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chroma_client.add_texts([memory],[{"id": str(uuid.uuid4())}])
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chroma_client.persist()
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return f"The object was saved permanently to memory."
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def search(query, agent_actions={}):
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res = chroma_client.similarity_search(query)
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print(">>> query: ")
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print(query)
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print(">>> retrieved memories: ")
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print(res)
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return res
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def process_functions(user_input, action="", agent_actions={}):
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descriptions=""
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for a in agent_actions:
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descriptions+=agent_actions[a]["description"]+"\n"
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messages = [
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# {"role": "system", "content": "You are a helpful assistant."},
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{"role": "user",
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"content": f"""Transcript of AI assistant responding to user requests.
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{descriptions}
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Request: {user_input}
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Function call: """
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}
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]
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response = function_completion(messages, action=action,agent_actions=agent_actions)
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response_message = response["choices"][0]["message"]
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response_result = ""
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function_result = {}
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if response_message.get("function_call"):
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function_name = response.choices[0].message["function_call"].name
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function_parameters = response.choices[0].message["function_call"].arguments
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function_to_call = agent_actions[function_name]["function"]
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function_result = function_to_call(function_parameters, agent_actions=agent_actions)
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print("==> function result: ")
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print(function_result)
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messages = [
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# {"role": "system", "content": "You are a helpful assistant."},
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{
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"role": "user",
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"content": user_input,
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}
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]
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messages.append(
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{
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"role": "assistant",
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"content": None,
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"function_call": {"name": function_name, "arguments": function_parameters,},
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}
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)
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messages.append(
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{
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"role": "function",
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"name": function_name,
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"content": f'{{"result": "{str(function_result)}"}}'
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}
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)
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return messages, function_result
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def function_completion(messages, action="", agent_actions={}):
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function_call = "auto"
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if action != "":
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function_call={"name": action}
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print("==> function_call: ")
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print(function_call)
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# get the functions from the signatures of the agent actions, if exists
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functions = []
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for action in agent_actions:
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if agent_actions[action].get("signature"):
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functions.append(agent_actions[action]["signature"])
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print("==> available functions for the LLM: ")
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print(functions)
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print("==> messages LLM: ")
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print(messages)
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response = openai.ChatCompletion.create(
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#model="gpt-3.5-turbo",
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model=FUNCTIONS_MODEL,
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messages=messages,
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functions=functions,
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max_tokens=200,
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stop=None,
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temperature=0.1,
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function_call=function_call
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)
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return response
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# Gets the content of each message in the history
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def process_history(conversation_history):
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messages = ""
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for message in conversation_history:
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# if there is content append it
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if message.get("content"):
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messages+=message["content"]+"\n"
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if message.get("function_call"):
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# encode message["function_call" to json and appends it
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fcall = json.dumps(message["function_call"])
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messages+=fcall+"\n"
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return messages
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def evaluate(user_input, conversation_history = [],re_evaluate=False, agent_actions={}):
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try:
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action = needs_to_do_action(user_input,agent_actions=agent_actions)
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except Exception as e:
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print("==> error: ")
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print(e)
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action = {"action": REPLY_ACTION}
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if action["action"] != REPLY_ACTION:
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print("==> needs to do action: ")
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print(action)
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if action["action"] == "generate_plan":
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print("==> It's a plan <==: ")
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responses, function_results = process_functions(user_input+"\nReasoning: "+action["reasoning"], action=action["action"], agent_actions=agent_actions)
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# if there are no subtasks, we can just reply,
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# otherwise we execute the subtasks
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# First we check if it's an object
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if isinstance(function_results, dict) and len(function_results["subtasks"]) != 0:
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# cycle subtasks and execute functions
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for subtask in function_results["subtasks"]:
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print("==> subtask: ")
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print(subtask)
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subtask_response, function_results = process_functions(subtask["reasoning"], subtask["function"],agent_actions=agent_actions)
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responses.extend(subtask_response)
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if re_evaluate:
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all = process_history(responses)
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print("==> all: ")
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print(all)
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## Better output or this infinite loops..
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print("-> Re-evaluate if another action is needed")
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responses = evaluate(user_input+process_history(responses), responses, re_evaluate,agent_actions=agent_actions)
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response = openai.ChatCompletion.create(
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model=LLM_MODEL,
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messages=responses,
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max_tokens=200,
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stop=None,
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temperature=0.5,
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)
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responses.append(
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{
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"role": "assistant",
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"content": response.choices[0].message["content"],
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}
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)
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# add responses to conversation history by extending the list
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conversation_history.extend(responses)
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# print the latest response from the conversation history
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print(conversation_history[-1]["content"])
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tts(conversation_history[-1]["content"])
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else:
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print("==> no action needed")
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# construct the message and add it to the conversation history
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message = {"role": "user", "content": user_input}
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conversation_history.append(message)
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#conversation_history.append({ "role": "assistant", "content": "No action needed from my side."})
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# get the response from the model
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response = openai.ChatCompletion.create(
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model=LLM_MODEL,
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messages=conversation_history,
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max_tokens=200,
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stop=None,
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temperature=0.5,
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)
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# add the response to the conversation history by extending the list
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conversation_history.append({ "role": "assistant", "content": response.choices[0].message["content"]})
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# print the latest response from the conversation history
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print(conversation_history[-1]["content"])
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tts(conversation_history[-1]["content"])
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return conversation_history
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#create_image()
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agent_actions = {
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"save_memory": {
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"function": save,
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"plannable": True,
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"description": 'For saving a memory, the assistant replies with the action "save_memory" and the string to save.',
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"signature": {
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"name": "save_memory",
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"description": """Save or store informations into memory.""",
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"parameters": {
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"type": "object",
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"properties": {
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"thought": {
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"type": "string",
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"description": "information to save"
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},
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},
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"required": ["thought"]
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}
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},
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},
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"search_memory": {
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"function": search,
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"plannable": True,
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"description": 'For searching a memory, the assistant replies with the action "search_memory" and the query to search to find information stored previously.',
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"signature": {
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"name": "search_memory",
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"description": """Search in memory""",
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"parameters": {
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"type": "object",
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"properties": {
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"query": {
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"type": "string",
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"description": "The query to be used to search informations"
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},
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"reasoning": {
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"type": "string",
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"description": "reasoning behind the intent"
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},
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},
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"required": ["query"]
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}
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},
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},
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"generate_plan": {
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"function": calculate_plan,
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"plannable": False,
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"description": 'For generating a plan for complex tasks, the assistant replies with the action "generate_plan" and a detailed list of all the subtasks needed to execute the user goal using the available actions.',
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"signature": {
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"name": "generate_plan",
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"description": """Plan complex tasks.""",
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"parameters": {
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"type": "object",
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"properties": {
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"description": {
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"type": "string",
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"description": "reasoning behind the planning"
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},
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},
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"required": ["description"]
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}
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},
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},
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REPLY_ACTION: {
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"function": None,
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"plannable": False,
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"description": 'For replying to the user, the assistant replies with the action "'+REPLY_ACTION+'" and the reply to the user directly when there is nothing to do.',
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},
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}
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conversation_history = []
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# TODO: process functions also considering the conversation history? conversation history + input
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while True:
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user_input = input("> ")
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conversation_history=evaluate(user_input, conversation_history, re_evaluate=True, agent_actions=agent_actions) |