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| """ | |
| Flare – Session Management | |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
| • thread-safe SessionStore | |
| • state-machine alanları | |
| """ | |
| from __future__ import annotations | |
| import threading, uuid | |
| from typing import Dict, List | |
| from utils import log | |
| class Session: | |
| """Single chat session.""" | |
| def __init__(self, project_name: str): | |
| self.session_id: str = str(uuid.uuid4()) | |
| self.project_name: str = project_name | |
| # flow state | |
| self.state: str = "idle" # idle | await_param | call_api | humanize | |
| self.last_intent: str | None = None | |
| self.awaiting_parameters: List[str] = [] | |
| self.missing_ask_count: int = 0 | |
| # data | |
| self.variables: Dict[str, str] = {} | |
| self.auth_tokens: Dict[str, Dict] = {} # api_name -> {token, expiry} | |
| # history | |
| self.chat_history: List[Dict[str, str]] = [] | |
| # -------- helper ---------- | |
| def add_turn(self, role: str, content: str): | |
| self.chat_history.append({"role": role, "content": content}) | |
| if len(self.chat_history) > 20: | |
| self.chat_history.pop(0) | |
| # -------- reset flow ------ | |
| def reset_flow(self): | |
| self.state = "idle" | |
| self.last_intent = None | |
| self.awaiting_parameters.clear() | |
| self.missing_ask_count = 0 | |
| class SessionStore: | |
| """Thread-safe global store.""" | |
| def __init__(self): | |
| self._lock = threading.Lock() | |
| self._sessions: Dict[str, Session] = {} | |
| def create_session(self, project_name: str) -> Session: | |
| with self._lock: | |
| s = Session(project_name) | |
| self._sessions[s.session_id] = s | |
| log(f"🆕 Session created {s.session_id}") | |
| return s | |
| def get_session(self, sid: str) -> Session | None: | |
| with self._lock: | |
| return self._sessions.get(sid) | |
| def __contains__(self, sid: str) -> bool: | |
| return self.get_session(sid) is not None | |
| session_store = SessionStore() | |