PyQt :Parent Window not waiting until child window closes. - python-2.7

Question

PyQt :Parent Window not waiting until child window closes. with reference to code shared below ,My welcome class object should wait till first_time class object completely finishes executing , but instead goes ahead and closes it self before first_time object finishes executing .
code :
from PyQt4.QtGui import *
from PyQt4.QtCore import *
from PySide.QtCore import QSettings
import sys
from PyQt4 import uic
#importing first configuration class
import configure as config_first
#loading initial settings
settings=QSettings('settings.ini',QSettings.IniFormat)
#loading the ui screens
form_class=uic.loadUiType("screens/firstscreen.ui")[0]
class welcome(QDialog,form_class):
#this signal is emitted when first configuration is done and ready to go
done_and_go_to_use = pyqtSignal()
def __init__(self):
super(welcome, self).__init__()
self.setupUi(self)
self.done_and_go_to_use.connect(self.close)
self.ready_btn.clicked.connect(self.ready)
def ready(self):
if_configured = settings.value('isConfigured', False)
if not if_configured :
first_time=config_first.configureFirst(self)
first_time.show()
self.close()
app = QApplication(sys.argv)
p = welcome()
p.show()
app.exec_()
below is the code for configure.py
from PyQt4.QtGui import *
from PyQt4.QtCore import *
import sqlite3
import csv
from PySide.QtCore import QSettings
from PyQt4 import uic
#loading initial settings
settings=QSettings('settings.ini',QSettings.IniFormat)
#loading ui screens
form_class=uic.loadUiType("screens/config_first.ui")[0]
#database connecting
con = sqlite3.connect("local.db")
cur = con.cursor()
cur.execute("CREATE TABLE if not exists marks (student_id int,student_name varchar(200));")
class configureFirst(QDialog,form_class):
done_configuring=pyqtSignal()
try_again=pyqtSignal()
def __init__(self,parent=None):
super(configureFirst, self).__init__(parent)
self.setupUi(self)
self.ok_btn.clicked.connect(self.ok_clicked)
self.cancel_btn.clicked.connect(self.cancel_clicked)
self.try_again.connect(self.ok_clicked)
self.done_configuring.connect(self.cancel_clicked)
self.show()
def ok_clicked(self):
file_select=QFileDialog.getOpenFileName(self,"open file","/")
if file_select:
with open(file_select, 'rb') as f:
reader = csv.reader(f)
ed = list(reader)
for row in ed:
if "name" not in row or "id" not in row:
cur.execute("Insert into marks Values (?,?);",(row[0],row[1]))
con.commit()
settings.setValue("isConfigured",True)
self.done_configuring.emit()
else:
#if recurssion is used the no of time it has to close increases and leads to integration problems
self.try_again.emit()
def cancel_clicked(self):
if_configured=settings.value("isConfigured")
if if_configured:
self.close()
else:
QMessageBox.critical(self,"PerfAnalyser","You Need to Configure For PerfAnalyser To Work")
def closeEvent(self,event):
#this method is triggered when 'X' is clicked i.e close button is clicked at the upper right corner
if_configured = settings.value("isConfigured")
if if_configured:
event.accept()
else:
QMessageBox.critical(self, "PerfAnalyser", "You Need to Configure For PerfAnalyser To Work")
event.ignore()
Thanks for the help in advance ...

Answer 1

I will try to help out since I notice few people have seen your post. I have had this happen a long time ago so I need a reminder, but I was unable to get your code running, I also tried to recreate your ui files and the screens directory but I was not successful. However, maybe the following is still useful.
In my working code, any time I needed to create a subwindow, I executed subwindows as follows from the main window's module:
dlg = SubWindowModuleName.StartSub()
dlg.exec_()
This will execute the subwindow and waits for it to close. Then, on the subwindow module (SubWindowModuleName in the above code, "configure" for you), I did this:
class Ui_Dialog(object):
def setupUi(self, Dialog):
Dialog.setObjectName(_fromUtf8("Dialog"))
Dialog.resize(982, 521)
... # here I build the window (I noticed that you import UI files which is a much better way of doing this)
...
class StartSub(QtGui.QDialog, Ui_Dialog):
def __init__(self,parent=None):
QtGui.QDialog.__init__(self,parent)
self.setupUi(self)