PyQT copy text from form1 to form2

**logilink** · 3rd October 2016, 09:27

Dear Friends. I wrote a program that have Form and Form2 called V1. V1 will show after cliked button in Form1.
In V1 I have a LineEdit and button. When i wrote something in LineEdit in V1 I want send this text to LineEdit in Form1.

Qt Code:

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from PyQt4 import QtCore, QtGui
from V1 import Ui_V1
 
 
try:
    _fromUtf8 = QtCore.QString.fromUtf8
except AttributeError:
    def _fromUtf8(s):
        return s
 
try:
    _encoding = QtGui.QApplication.UnicodeUTF8
    def _translate(context, text, disambig):
        return QtGui.QApplication.translate(context, text, disambig, _encoding)
except AttributeError:
    def _translate(context, text, disambig):
        return QtGui.QApplication.translate(context, text, disambig)
 
# V1 window
class Ui_V1(object):
    def setupUi(self, V1):
        V1.setObjectName(_fromUtf8("V1"))
        V1.resize(400, 300)
        self.label = QtGui.QLabel(V1)
        ...
        self.pushButton.setText(_translate("V1", "Wyslij", None))
        self.pushButton_2.setText(_translate("V1", "Wyslij", None))
        self.pushButton.clicked.connect(lambda: self.wyslij())
 
    def wyslij(self):
        self.lineEdit.setText(self.Ui_Form.lineEdit_11.text())
 
 
 
 
# Main window!
class Ui_Form(object):
    def setupUi(self, Form):
        Form.setObjectName(_fromUtf8("Form"))
        Form.resize(728, 601)
        Form.setMinimumSize(QtCore.QSize(728, 601))
        self.label_6 = QtGui.QLabel(Form)
        self.label_6.setGeometry(QtCore.QRect(169, 3, 401, 41))
        self.label_6.setObjectName(_fromUtf8("label_6"))...
 
 
    def retranslateUi(self, Form):
        Form.setWindowTitle(_translate("Form", "Form", None))
        self.label_6.setText(_translate("Form", "<html><head/><body><p><span style=\" font-size:16pt; font-weight:600;\">TYGODNIOWA KONTROLA JAKOSCI</span></p></body></html>", None))
        self.label_8.setText(_translate("Form", "(dd-mm-rrrr)", None))...
 
        self.pushButton_2.clicked.connect(lambda: self.zapis_tyg()) # Do zapisu do tyg formularza
        self.pushButton_5.clicked.connect(lambda: self.openV1())  # v1 window
 
 
    #zapis do pliku formularza tyg
    def zapis_tyg(self): # ZAPIS DO FORMULARZ TYGODNIOWEGO
         s = ""
         seq = (self.comboBox_6.currentText(), ".txt"); # This is sequence of strings. laczenie aby nazywaÅ‚ pliki wzaleznosci od aparatu
         a= s.join( seq )
         text_file = open( a , "a")
         text_file.write(self.lineEdit.text()+ "\t" ) #data
         text_file.write(self.lineEdit_2.text()+ "\t" ) #osoba
         text_file.write(self.comboBox_6.currentText() + "\t" ) #aparat
         text_file.write(self.comboBox.currentText() + "\t" ) #AKCESORIUM
         text_file.write(self.comboBox_2.currentText() + "\t" ) #ZAB ANTYK
         text_file.write(self.comboBox_3.currentText() + "\t" ) #iZO
         text_file.write(self.comboBox_4.currentText() + "\t" )# CENTRQTOR
         text_file.write(self.comboBox_5.currentText() + "\t" )# TELEMETR
         text_file.write(self.textEdit.toPlainText()+ "\n" ) # KOM MECH
         text_file.close()
 
    #function to show a new form
    def openV1(self):
        self.V1Window=QtGui.QMainWindow()
        self.ui= Ui_V1()
        self.ui.setupUi(self.V1Window)
        self.V1Window.show()

from PyQt4 import QtCore, QtGui
from V1 import Ui_V1


try:
    _fromUtf8 = QtCore.QString.fromUtf8
except AttributeError:
    def _fromUtf8(s):
        return s

try:
    _encoding = QtGui.QApplication.UnicodeUTF8
    def _translate(context, text, disambig):
        return QtGui.QApplication.translate(context, text, disambig, _encoding)
except AttributeError:
    def _translate(context, text, disambig):
        return QtGui.QApplication.translate(context, text, disambig)

# V1 window
class Ui_V1(object):
    def setupUi(self, V1):
        V1.setObjectName(_fromUtf8("V1"))
        V1.resize(400, 300)
        self.label = QtGui.QLabel(V1)
        ...
        self.pushButton.setText(_translate("V1", "Wyslij", None))
        self.pushButton_2.setText(_translate("V1", "Wyslij", None))
        self.pushButton.clicked.connect(lambda: self.wyslij())

    def wyslij(self):
        self.lineEdit.setText(self.Ui_Form.lineEdit_11.text())




# Main window!
class Ui_Form(object):
    def setupUi(self, Form):
        Form.setObjectName(_fromUtf8("Form"))
        Form.resize(728, 601)
        Form.setMinimumSize(QtCore.QSize(728, 601))
        self.label_6 = QtGui.QLabel(Form)
        self.label_6.setGeometry(QtCore.QRect(169, 3, 401, 41))
        self.label_6.setObjectName(_fromUtf8("label_6"))...


    def retranslateUi(self, Form):
        Form.setWindowTitle(_translate("Form", "Form", None))
        self.label_6.setText(_translate("Form", "<html><head/><body><p><span style=\" font-size:16pt; font-weight:600;\">TYGODNIOWA KONTROLA JAKOSCI</span></p></body></html>", None))
        self.label_8.setText(_translate("Form", "(dd-mm-rrrr)", None))...

        self.pushButton_2.clicked.connect(lambda: self.zapis_tyg()) # Do zapisu do tyg formularza
        self.pushButton_5.clicked.connect(lambda: self.openV1())  # v1 window
 

    #zapis do pliku formularza tyg
    def zapis_tyg(self): # ZAPIS DO FORMULARZ TYGODNIOWEGO
         s = ""
         seq = (self.comboBox_6.currentText(), ".txt"); # This is sequence of strings. laczenie aby nazywaÅ‚ pliki wzaleznosci od aparatu
         a= s.join( seq )
         text_file = open( a , "a")
         text_file.write(self.lineEdit.text()+ "\t" ) #data
         text_file.write(self.lineEdit_2.text()+ "\t" ) #osoba
         text_file.write(self.comboBox_6.currentText() + "\t" ) #aparat
         text_file.write(self.comboBox.currentText() + "\t" ) #AKCESORIUM
         text_file.write(self.comboBox_2.currentText() + "\t" ) #ZAB ANTYK
         text_file.write(self.comboBox_3.currentText() + "\t" ) #iZO
         text_file.write(self.comboBox_4.currentText() + "\t" )# CENTRQTOR
         text_file.write(self.comboBox_5.currentText() + "\t" )# TELEMETR
         text_file.write(self.textEdit.toPlainText()+ "\n" ) # KOM MECH
         text_file.close()

    #function to show a new form
    def openV1(self):
        self.V1Window=QtGui.QMainWindow()
        self.ui= Ui_V1()
        self.ui.setupUi(self.V1Window)
        self.V1Window.show()

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I had an error:

'Ui_V1' object has no attribute 'Ui_Form'
Where is the problem?
Thank you

**anda_skoa** · 6th October 2016, 16:17

First, this looks like you have edited the generated class instead of just using it.

Second, as Python tells you, your Ui_V1 class does not have any member called Ui_Form.

Cheers,
_

**logilink** · 7th October 2016, 07:40

Thanks for reply

I am beginner in python and in GUI

so that why i am writinig in code in this class instead of creating second file only with functions.

so how to conect Ui_V1 wiht Ui_Form ? Because i coonected button with Ui_V1 but i cant connect button with Labels...

**anda_skoa** · 7th October 2016, 10:27

If you want to access "self.Ui_Form" then you need to initizalize this.

Something like

Qt Code:

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self.Ui_Form = Ui_Form()

self.Ui_Form = Ui_Form()

To copy to clipboard, switch view to plain text mode

Cheers,
_

**logilink** · 7th October 2016, 14:35

Ok so I have done it :

def wyslij(self):
self.kopiaWindow=QtGui.QMainWindow()
self.Ui_Form=Ui_Form()
self.Ui_Form.lineEdit.text()=self.lineEdit.text()

and i have an error:

SyntaxError: can't assign to function call

thanks.

**anda_skoa** · 7th October 2016, 18:12

Yes, last line of your new code.

You are trying to assign to the function text()
You probably want to assign to the property text instead.

Cheers,
_

**logilink** · 10th October 2016, 08:04

So how i cantransfer text from lineEdit (V1 Form) to lineEdit ( Ui_form)?

Thanks

**anda_skoa** · 10th October 2016, 08:37

Either by assiging to the target's text property or by calling the target's setText function.

Cheers,
_

**logilink** · 10th October 2016, 10:57

could you show me an example how to do this?
Thanks

something like this?

self.Ui_Form.lineEdit.text(self.lineEdit.text())

Error:

AttributeError: 'Ui_Form' object has no attribute 'lineEdit'

This error is showing when I paste V1 class in MainFile.py but when I separate in two files (of course with import V1/Import MainFile)

self.Ui_Form=Ui_Form()
NameError: name 'Ui_Form' is not defined

thanks

**anda_skoa** · 10th October 2016, 12:09

Originally Posted by logilink

could you show me an example how to do this?

Maybe you should consider doing a Python tutorial first if you are unclear about assignments or method calls.

Originally Posted by logilink

something like this?

No, QLineEdit does not have a method called "text" that also has arguments.
Why would you even try that?

Originally Posted by logilink

Error:

Which is a different error all together, you are trying to access an object that doesn't exist.
Python is sometimes doing things that are automagically correct, but even Python can't magically create objects.

Cheers,
_

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