Files
gpt/src/aigpt/ai_provider.py
2025-06-03 02:12:11 +09:00

234 lines
8.6 KiB
Python

"""AI Provider integration for response generation"""
import os
from typing import Optional, Dict, List, Any, Protocol
from abc import abstractmethod
import logging
import httpx
from openai import OpenAI
import ollama
from .models import PersonaState, Memory
from .config import Config
class AIProvider(Protocol):
"""Protocol for AI providers"""
@abstractmethod
async def generate_response(
self,
prompt: str,
persona_state: PersonaState,
memories: List[Memory],
system_prompt: Optional[str] = None
) -> str:
"""Generate a response based on prompt and context"""
pass
class OllamaProvider:
"""Ollama AI provider"""
def __init__(self, model: str = "qwen2.5", host: Optional[str] = None):
self.model = model
# Use environment variable OLLAMA_HOST if available, otherwise use config or default
self.host = host or os.getenv('OLLAMA_HOST', 'http://127.0.0.1:11434')
# Ensure proper URL format
if not self.host.startswith('http'):
self.host = f'http://{self.host}'
self.client = ollama.Client(host=self.host, timeout=60.0) # 60秒タイムアウト
self.logger = logging.getLogger(__name__)
self.logger.info(f"OllamaProvider initialized with host: {self.host}, model: {self.model}")
async def generate_response(
self,
prompt: str,
persona_state: PersonaState,
memories: List[Memory],
system_prompt: Optional[str] = None
) -> str:
"""Generate response using Ollama"""
# Build context from memories
memory_context = "\n".join([
f"[{mem.level.value}] {mem.content[:200]}..."
for mem in memories[:5]
])
# Build personality context
personality_desc = ", ".join([
f"{trait}: {value:.1f}"
for trait, value in persona_state.base_personality.items()
])
# System prompt with persona context
full_system_prompt = f"""You are an AI with the following characteristics:
Current mood: {persona_state.current_mood}
Fortune today: {persona_state.fortune.fortune_value}/10
Personality traits: {personality_desc}
Recent memories:
{memory_context}
{system_prompt or 'Respond naturally based on your current state and memories.'}"""
try:
response = self.client.chat(
model=self.model,
messages=[
{"role": "system", "content": full_system_prompt},
{"role": "user", "content": prompt}
]
)
return self._clean_response(response['message']['content'])
except Exception as e:
self.logger.error(f"Ollama generation failed: {e}")
return self._fallback_response(persona_state)
def chat(self, prompt: str, max_tokens: int = 2000) -> str:
"""Simple chat interface"""
try:
response = self.client.chat(
model=self.model,
messages=[
{"role": "user", "content": prompt}
],
options={
"num_predict": max_tokens,
"temperature": 0.7,
"top_p": 0.9,
},
stream=False # ストリーミング無効化で安定性向上
)
return self._clean_response(response['message']['content'])
except Exception as e:
self.logger.error(f"Ollama chat failed (host: {self.host}): {e}")
return "I'm having trouble connecting to the AI model."
def _clean_response(self, response: str) -> str:
"""Clean response by removing think tags and other unwanted content"""
import re
# Remove <think></think> tags and their content
response = re.sub(r'<think>.*?</think>', '', response, flags=re.DOTALL)
# Remove any remaining whitespace at the beginning/end
response = response.strip()
return response
def _fallback_response(self, persona_state: PersonaState) -> str:
"""Fallback response based on mood"""
mood_responses = {
"joyful": "That's wonderful! I'm feeling great today!",
"cheerful": "That sounds nice!",
"neutral": "I understand.",
"melancholic": "I see... That's something to think about.",
"contemplative": "Hmm, let me consider that..."
}
return mood_responses.get(persona_state.current_mood, "I see.")
class OpenAIProvider:
"""OpenAI API provider"""
def __init__(self, model: str = "gpt-4o-mini", api_key: Optional[str] = None):
self.model = model
# Try to get API key from config first
config = Config()
self.api_key = api_key or config.get_api_key("openai") or os.getenv("OPENAI_API_KEY")
if not self.api_key:
raise ValueError("OpenAI API key not provided. Set it with: aigpt config set providers.openai.api_key YOUR_KEY")
self.client = OpenAI(api_key=self.api_key)
self.logger = logging.getLogger(__name__)
async def generate_response(
self,
prompt: str,
persona_state: PersonaState,
memories: List[Memory],
system_prompt: Optional[str] = None
) -> str:
"""Generate response using OpenAI"""
# Build context similar to Ollama
memory_context = "\n".join([
f"[{mem.level.value}] {mem.content[:200]}..."
for mem in memories[:5]
])
personality_desc = ", ".join([
f"{trait}: {value:.1f}"
for trait, value in persona_state.base_personality.items()
])
full_system_prompt = f"""You are an AI with unique personality traits and memories.
Current mood: {persona_state.current_mood}
Fortune today: {persona_state.fortune.fortune_value}/10
Personality traits: {personality_desc}
Recent memories:
{memory_context}
{system_prompt or 'Respond naturally based on your current state and memories. Be authentic to your mood and personality.'}"""
try:
response = self.client.chat.completions.create(
model=self.model,
messages=[
{"role": "system", "content": full_system_prompt},
{"role": "user", "content": prompt}
],
temperature=0.7 + (persona_state.fortune.fortune_value - 5) * 0.05 # Vary by fortune
)
return response.choices[0].message.content
except Exception as e:
self.logger.error(f"OpenAI generation failed: {e}")
return self._fallback_response(persona_state)
def _fallback_response(self, persona_state: PersonaState) -> str:
"""Fallback response based on mood"""
mood_responses = {
"joyful": "What a delightful conversation!",
"cheerful": "That's interesting!",
"neutral": "I understand what you mean.",
"melancholic": "I've been thinking about that too...",
"contemplative": "That gives me something to ponder..."
}
return mood_responses.get(persona_state.current_mood, "I see.")
def create_ai_provider(provider: str = "ollama", model: Optional[str] = None, **kwargs) -> AIProvider:
"""Factory function to create AI providers"""
if provider == "ollama":
# Get model from config if not provided
if model is None:
try:
from .config import Config
config = Config()
model = config.get('providers.ollama.default_model', 'qwen2.5')
except:
model = 'qwen2.5' # Fallback to default
# Try to get host from config if not provided in kwargs
if 'host' not in kwargs:
try:
from .config import Config
config = Config()
config_host = config.get('providers.ollama.host')
if config_host:
kwargs['host'] = config_host
except:
pass # Use environment variable or default
return OllamaProvider(model=model, **kwargs)
elif provider == "openai":
# Get model from config if not provided
if model is None:
try:
from .config import Config
config = Config()
model = config.get('providers.openai.default_model', 'gpt-4o-mini')
except:
model = 'gpt-4o-mini' # Fallback to default
return OpenAIProvider(model=model, **kwargs)
else:
raise ValueError(f"Unknown provider: {provider}")