def test_run_3():
with qt_multiprocessing.AppEventLoop() as loop:
app = QtWidgets.QApplication([])
QtManager.register('Label', QtWidgets.QLabel)
mngr = QtManager()
mngr.start()
# Create the proxy label
lbl = mngr.Label("Hello")
lbl.show()
widg = QtWidgets.QDialog()
lay = QtWidgets.QFormLayout()
widg.setLayout(lay)
# Form
inp = QtWidgets.QLineEdit()
btn = QtWidgets.QPushButton('Set Text')
lay.addRow(inp, btn)
def set_text():
value = inp.text()
lbl.setText(value)
# loop.add_var_event('label', 'setText', value)
btn.clicked.connect(set_text)
widg.show()
app.exec_()
def run_manual():
app = QtWidgets.QApplication([])
mp_loop = qt_multiprocessing.AppEventLoop(initialize_process=create_process_widgets)
print("Main PID:", os.getpid())
widg = QtWidgets.QDialog()
lay = QtWidgets.QFormLayout()
widg.setLayout(lay)
# Form
inp = QtWidgets.QLineEdit()
btn = QtWidgets.QPushButton('Set Text')
lay.addRow(inp, btn)
def set_text():
text = inp.text()
mp_loop.add_var_event('label', 'setText', text)
# The label does not exist in this process at all. Can only access by string names
print('Set Label text', text + '.')
# `print_pid` will run in a separate process and print the pid.
mp_loop.add_var_event('label', 'print_pid')
btn.clicked.connect(set_text)
widg.show()
# Run the multiprocessing event loop
mp_loop.start()
# Run the application event loop
app.exec_()
# Quit the multiprocessing event loop when the app closes
mp_loop.close()
import time
import qt_multiprocessing
from qtpy import QtWidgets
def make_widgets():
label = QtWidgets.QLabel("hello")
label.show()
return {'label': label}
if __name__ == '__main__':
with qt_multiprocessing.AppEventLoop(
initialize_process=make_widgets) as loop:
app = QtWidgets.QApplication([])
widg = QtWidgets.QDialog()
lay = QtWidgets.QFormLayout()
widg.setLayout(lay)
# Form
inp = QtWidgets.QLineEdit()
btn = QtWidgets.QPushButton('Set Text')
lay.addRow(inp, btn)
def set_text():
loop.add_var_event('label', 'setText', inp.text())
btn.clicked.connect(set_text)
import mp_event_loop
import qt_multiprocessing
from qtpy import QtWidgets
class LabelProxy(qt_multiprocessing.WidgetProxy):
PROXY_CLASS = QtWidgets.QLabel
GETTERS = ['text']
if __name__ == '__main__':
with qt_multiprocessing.AppEventLoop() as loop:
mp_event_loop.Proxy.__loop__ = loop
app = QtWidgets.QApplication([])
lbl = LabelProxy("Hello")
widg = QtWidgets.QDialog()
lay = QtWidgets.QFormLayout()
widg.setLayout(lay)
# Form
inp = QtWidgets.QLineEdit()
btn = QtWidgets.QPushButton('Set Text')
lay.addRow(inp, btn)
def set_text():
lbl.setText(inp.text())
btn.clicked.connect(set_text)
"""
Test to make sure the multiprocessing event loop closes automatically.
"""
import mp_event_loop
import qt_multiprocessing
from qtpy import QtWidgets
class LabelProxy(qt_multiprocessing.WidgetProxy):
PROXY_CLASS = QtWidgets.QLabel
GETTERS = ['text']
if __name__ == '__main__':
loop = qt_multiprocessing.AppEventLoop()
qt_multiprocessing.WidgetProxy.__loop__ = loop
loop.start()
app = QtWidgets.QApplication([])
lbl = LabelProxy("Hello")
widg = QtWidgets.QDialog()
lay = QtWidgets.QFormLayout()
widg.setLayout(lay)
# Form
inp = QtWidgets.QLineEdit()
btn = QtWidgets.QPushButton('Set Text')
lay.addRow(inp, btn)