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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,28 +1,103 @@ | ||
| import json | ||
| from datetime import datetime | ||
| from pathlib import Path | ||
| from typing import List | ||
| from typing import Any, Dict, List, Union | ||
|
|
||
| from haystack.dataclasses import ChatMessage, ChatRole | ||
|
|
||
|
|
||
| class ConversationLogger: | ||
| def __init__(self, system_info: dict, log_dir: str = "conversation_logs"): | ||
| """Initialize the conversation logger. | ||
| Args: | ||
| system_info: Dictionary containing system information to be logged | ||
| log_dir: Directory where conversation logs will be stored | ||
| """ | ||
| self.log_dir = Path(log_dir) | ||
| self.log_dir.mkdir(parents=True, exist_ok=True) | ||
| self.system_info = system_info | ||
|
|
||
| def _serialize_chat_message( | ||
| self, message: Union[ChatMessage, Dict[str, Any]] | ||
| ) -> Dict[str, Any]: | ||
| """Serialize a ChatMessage object or dict into a consistent dictionary format. | ||
| Args: | ||
| message: ChatMessage object or dictionary to serialize | ||
| Returns: | ||
| Dictionary representation of the message | ||
| """ | ||
| try: | ||
| if isinstance(message, ChatMessage): | ||
| return { | ||
| "role": message.role.value | ||
| if isinstance(message.role, ChatRole) | ||
| else message.role, | ||
| "content": message.text, | ||
| "name": message.name, | ||
| "meta": message.meta, | ||
| } | ||
| elif isinstance(message, dict): | ||
| if "llm" in message and "replies" in message["llm"]: | ||
| replies = message["llm"]["replies"] | ||
| if replies and isinstance(replies[0], ChatMessage): | ||
| return self._serialize_chat_message(replies[0]) | ||
| return message | ||
|
|
||
| raise ValueError(f"Unsupported message type: {type(message)}") | ||
|
|
||
| except Exception as e: | ||
| return { | ||
| "error": f"Serialization error: {str(e)}", | ||
| "content": str(message), | ||
| "type": str(type(message)), | ||
| } | ||
|
|
||
| def log_conversation( | ||
| self, query: str, response: dict, conversation: List[dict] = None | ||
| ): | ||
| self, | ||
| query: str, | ||
| response: Union[ChatMessage, Dict[str, Any]], | ||
| conversation: List[ChatMessage] = None, | ||
| ) -> None: | ||
| """Log a conversation exchange to a JSON file. | ||
| Args: | ||
| query: The user's query string | ||
| response: Response containing LLM replies (either ChatMessage or dict) | ||
| conversation: Optional list of previous messages in the conversation | ||
| """ | ||
| timestamp = datetime.now().strftime("%Y%m%d_%H%M%S") | ||
| log_file = self.log_dir / f"conversation_{timestamp}.json" | ||
|
|
||
| log_entry = { | ||
| "timestamp": timestamp, | ||
| "query": query, | ||
| "system_info": self.system_info, | ||
| "response": response.get("llm", {}).get("replies", []), | ||
| "previous_conversation": conversation or [], | ||
| } | ||
| try: | ||
| response_meta = {} | ||
| if isinstance(response, dict) and "llm" in response: | ||
| response_meta = response.get("llm", {}).get("meta", {}) | ||
|
|
||
| log_entry = { | ||
| "timestamp": timestamp, | ||
| "query": query, | ||
| "system_info": self.system_info, | ||
| "response": { | ||
| "llm": { | ||
| "replies": [self._serialize_chat_message(response)], | ||
| "meta": response_meta, | ||
| } | ||
| }, | ||
| "previous_conversation": [ | ||
| self._serialize_chat_message(msg) for msg in (conversation or []) | ||
| ], | ||
| } | ||
|
|
||
| with open(log_file, "w", encoding="utf-8") as f: | ||
| json.dump(log_entry, f, indent=2, ensure_ascii=False) | ||
|
|
||
| with open(log_file, "w", encoding="utf-8") as f: | ||
| json.dump(log_entry, f, indent=2, ensure_ascii=False) | ||
| except Exception as e: | ||
| error_file = self.log_dir / f"error_{timestamp}.txt" | ||
| with open(error_file, "w", encoding="utf-8") as f: | ||
| f.write(f"Error logging conversation: {str(e)}\n") | ||
| f.write(f"Query: {query}\n") | ||
| f.write(f"Response type: {type(response)}\n") | ||
| f.write(f"Response: {str(response)}\n") |
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