ida_settings/ida_settings.py
def import_qtcore():
    """
    This nasty piece of code is here to force the loading of IDA's
     Qt bindings.
    Without it, Python attempts to load PySide from the site-packages
     directory, and failing, as it does not play nicely with IDA.

    via: github.com/tmr232/Cute
    """
    has_ida = False
    try:
        # if we're running under IDA,
        # then we'll use IDA's Qt bindings
        import idaapi
        has_ida = True
    except ImportError:
        # not running under IDA,
        # so use default Qt installation
        has_ida = False

    if has_ida:
        old_path = sys.path[:]
        try:
            ida_python_path = os.path.dirname(idaapi.__file__)
            sys.path.insert(0, ida_python_path)
            if idaapi.IDA_SDK_VERSION >= 690:
                from PyQt5 import QtCore
                return QtCore
            else:
                from PySide import QtCore
                return QtCore
        finally:
            sys.path = old_path
    else:
        try:
            from PyQt5 import QtCore
            return QtCore
        except ImportError:
            pass

        try:
            from PySide import QtCore
            return QtCore
        except ImportError:
            pass

        raise ImportError("No module named PySide or PyQt")
def import_qtcore():
    """
    This nasty piece of code is here to force the loading of IDA's
     Qt bindings.
    Without it, Python attempts to load PySide from the site-packages
     directory, and failing, as it does not play nicely with IDA.

    via: github.com/tmr232/Cute
    """
    has_ida = False
    try:
        # if we're running under IDA,
        # then we'll use IDA's Qt bindings
        import idaapi
        has_ida = True
    except ImportError:
        # not running under IDA,
        # so use default Qt installation
        has_ida = False

    if has_ida:
        old_path = sys.path[:]
        try:
            ida_python_path = os.path.dirname(idaapi.__file__)
            sys.path.insert(0, ida_python_path)
            if idaapi.IDA_SDK_VERSION >= 690:
                from PyQt5 import QtCore
                return QtCore
            else:
                from PySide import QtCore
                return QtCore
        finally:
            sys.path = old_path
    else:
        try:
            from PyQt5 import QtCore
            return QtCore
        except ImportError:
            pass

        try:
            from PySide import QtCore
            return QtCore
        except ImportError:
            pass

        raise ImportError("No module named PySide or PyQt")
This nasty piece of code is here to force the loading of IDA's
     Qt bindings.
    Without it, Python attempts to load PySide from the site-packages
     directory, and failing, as it does not play nicely with IDA.

    via: github.com/tmr232/Cute