Files
strix/strix/tools/python/python_manager.py
2025-08-08 20:36:44 -07:00

132 lines
4.1 KiB
Python

import atexit
import contextlib
import signal
import sys
import threading
from typing import Any
from .python_instance import PythonInstance
class PythonSessionManager:
def __init__(self) -> None:
self.sessions: dict[str, PythonInstance] = {}
self._lock = threading.Lock()
self.default_session_id = "default"
self._register_cleanup_handlers()
def create_session(
self, session_id: str | None = None, initial_code: str | None = None, timeout: int = 30
) -> dict[str, Any]:
if session_id is None:
session_id = self.default_session_id
with self._lock:
if session_id in self.sessions:
raise ValueError(f"Python session '{session_id}' already exists")
session = PythonInstance(session_id)
self.sessions[session_id] = session
if initial_code:
result = session.execute_code(initial_code, timeout)
result["message"] = (
f"Python session '{session_id}' created successfully with initial code"
)
else:
result = {
"session_id": session_id,
"message": f"Python session '{session_id}' created successfully",
}
return result
def execute_code(
self, session_id: str | None = None, code: str | None = None, timeout: int = 30
) -> dict[str, Any]:
if session_id is None:
session_id = self.default_session_id
if not code:
raise ValueError("No code provided for execution")
with self._lock:
if session_id not in self.sessions:
raise ValueError(f"Python session '{session_id}' not found")
session = self.sessions[session_id]
result = session.execute_code(code, timeout)
result["message"] = f"Code executed in session '{session_id}'"
return result
def close_session(self, session_id: str | None = None) -> dict[str, Any]:
if session_id is None:
session_id = self.default_session_id
with self._lock:
if session_id not in self.sessions:
raise ValueError(f"Python session '{session_id}' not found")
session = self.sessions.pop(session_id)
session.close()
return {
"session_id": session_id,
"message": f"Python session '{session_id}' closed successfully",
"is_running": False,
}
def list_sessions(self) -> dict[str, Any]:
with self._lock:
session_info = {}
for sid, session in self.sessions.items():
session_info[sid] = {
"is_running": session.is_running,
"is_alive": session.is_alive(),
}
return {"sessions": session_info, "total_count": len(session_info)}
def cleanup_dead_sessions(self) -> None:
with self._lock:
dead_sessions = []
for sid, session in self.sessions.items():
if not session.is_alive():
dead_sessions.append(sid)
for sid in dead_sessions:
session = self.sessions.pop(sid)
with contextlib.suppress(Exception):
session.close()
def close_all_sessions(self) -> None:
with self._lock:
sessions_to_close = list(self.sessions.values())
self.sessions.clear()
for session in sessions_to_close:
with contextlib.suppress(Exception):
session.close()
def _register_cleanup_handlers(self) -> None:
atexit.register(self.close_all_sessions)
signal.signal(signal.SIGTERM, self._signal_handler)
signal.signal(signal.SIGINT, self._signal_handler)
if hasattr(signal, "SIGHUP"):
signal.signal(signal.SIGHUP, self._signal_handler)
def _signal_handler(self, _signum: int, _frame: Any) -> None:
self.close_all_sessions()
sys.exit(0)
_python_session_manager = PythonSessionManager()
def get_python_session_manager() -> PythonSessionManager:
return _python_session_manager