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bec_widgets/bec_widgets/ctrl_c.py
2023-11-13 18:37:32 +01:00

40 lines
1.2 KiB
Python

# TODO haven't found yet how to deal with QAbstractSocket in qtpy
# import signal
# import socket
# from PyQt5.QtNetwork import QAbstractSocket
#
#
# def setup(app):
# app.signalwatchdog = SignalWatchdog() # need to store to keep socket pair alive
# signal.signal(signal.SIGINT, make_quit_handler(app))
#
#
# def make_quit_handler(app):
# def handler(*args):
# print() # make ^C appear on its own line
# app.quit()
#
# return handler
#
#
# class SignalWatchdog(QAbstractSocket):
# def __init__(self):
# """
# Propagates system signals from Python to QEventLoop
# adapted from https://stackoverflow.com/a/65802260/655404
# """
# super().__init__(QAbstractSocket.SctpSocket, None)
#
# self.writer, self.reader = writer, reader = socket.socketpair()
# writer.setblocking(False)
#
# fd_writer = writer.fileno()
# fd_reader = reader.fileno()
#
# signal.set_wakeup_fd(fd_writer) # Python hook
# self.setSocketDescriptor(fd_reader) # Qt hook
#
# self.readyRead.connect(
# lambda: None
# ) # dummy function call that lets the Python interpreter run