"""Qt6 binding compatibility — PySide6 or PyQt6.
Detects which Qt6 binding is available (prefers already-imported).
Qt5 bindings (PyQt5, PySide2) are not supported.
Usage:
from qt_mcp.probe._qt_compat import QtCore, QtWidgets, QtGui
"""
from __future__ import annotations
import importlib
import sys
_BINDINGS = ["PySide6", "PyQt6"]
QT_BINDING: str = ""
# Prefer what's already imported (the target app's binding)
for _name in _BINDINGS:
if _name in sys.modules:
QT_BINDING = _name
break
if not QT_BINDING:
for _name in _BINDINGS:
try:
importlib.import_module(_name)
QT_BINDING = _name
break
except ImportError:
continue
if not QT_BINDING:
raise ImportError("No supported Qt binding found. Install PySide6 or PyQt6.")
# Both PySide6 and PyQt6 are Qt6 — identical API surface
QtCore = importlib.import_module(f"{QT_BINDING}.QtCore")
QtWidgets = importlib.import_module(f"{QT_BINDING}.QtWidgets")
QtGui = importlib.import_module(f"{QT_BINDING}.QtGui")
QtNetwork = importlib.import_module(f"{QT_BINDING}.QtNetwork")
# PyQt6 uses pyqtSlot/pyqtSignal instead of Slot/Signal
if not hasattr(QtCore, "Slot") and hasattr(QtCore, "pyqtSlot"):
QtCore.Slot = QtCore.pyqtSlot
if not hasattr(QtCore, "Signal") and hasattr(QtCore, "pyqtSignal"):
QtCore.Signal = QtCore.pyqtSignal
