FlatCAM/FlatCAM.py

import sys
from PyQt4 import QtGui
from FlatCAMApp import App


def debug_trace():
    """
    Set a tracepoint in the Python debugger that works with Qt
    :return: None
    """
    from PyQt4.QtCore import pyqtRemoveInputHook
    #from pdb import set_trace
    pyqtRemoveInputHook()
    #set_trace()

debug_trace()

# All X11 calling should be thread safe otherwise we have strange issues
# QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_X11InitThreads)
# NOTE: Never talk to the GUI from threads! This is why I commented the above.

app = QtGui.QApplication(sys.argv)
fc = App()
sys.exit(app.exec_())