def locations_event(self):
root = self.window()
path = qtpath.abspath(root, self)
self.locations_signal.emit(path)
def locations_event(self):
root = self.window()
path = qtpath.abspath(root, self)
pubsub.pub.sendMessage('locations', path=path)
if __name__ == '__main__':
import sys
# Set-up PyQt application
app = QtWidgets.QApplication(sys.argv)
win = Demo()
# How we would normally find `Button` within `Demo`
find_button = win.findChild(QtWidgets.QPushButton, 'Button')
# Get an instance from `Demo` by serialised path
button = qtpath.instance(win, '/Body.QWidget/Button.QPushButton')
button = qtpath.instance(win, '/Button.QPushButton')
assert find_button == button
# Get back the serialised path from instance.
assert qtpath.abspath(win, button) == '/Win.Demo/Button.QPushButton'
# A path may return nothing
missing = qtpath.instance(win, '/Body.QWidget/Checkbox.QWidget')
assert missing is None
# findPath searches a hierarchy, regardless of proximity to root
# The following will return `Button` closest to `Win`, there is no
# way to directly reference the nested `Button`.
button = win.findChild(QtWidgets.QPushButton, 'Button')
assert button.parent() == win
button = qtpath.instance(win, '/Body.QWidget/Button.QPushButton')
assert button is not find_button
