python and pyqt4

MRAB python at mrabarnett.plus.com
Tue Mar 14 17:27:41 EDT 2017


On 2017-03-14 21:03, Vincent Vande Vyvre wrote:
> Le 14/03/17 à 20:56, Xristos Xristoou a écrit :
>> i will want to create a simple python script with pyqt4 and Q designer where the user put a number (line_edit) and if that number is something the user take back three new codes(lineEdit_2,lineEdit_3,lineEdit_4) and if user press ok(buttonBox) then plugin do something else in the some GUI.
>> for that i create a new additional pushButton in Qdesigner and i create additional def function(run1) for execute code for pushButton.
>>
>>
>> first i add new pushbutton in __init__ :
>> def __init__(self, iface):
>>      self.dlg = pluginDialog()
>>      self.dlg.pushButton.clicked.connect(self.run1)
>>
>> plugin work without error but dont show me the codes (lineEdit_2,lineEdit_3,lineEdit_4) in the plugin window if i press
>> pushbutton
>> any idea ? my python code :
>>
>> def run1(self):
>>      distance = str(self.dlg.lineEdit.text())
>>      if distance==0:
>>          area1='some'
>>          area2='hello'
>>          area3='world'
>>      self.dlg.lineEdit_2.setText(str(area1))
>>      self.dlg.lineEdit_3.setText(str(area2))
>>      self.dlg.lineEdit_4.setText(str(area3))
>>
>>
>>
>> def run(self):
>>      self.dlg.show()
>>      result = self.dlg.exec_()
>>
>>      if result:
>>          pass
>>
>> and i try to replace run1 with :
>>
>> def run1(self):
>>      self.dlg.show()
>>      result = self.dlg.exec_()
>>      if result:
>>          distance = str(self.dlg.lineEdit.text())
>>          if distance==0:
>>              area1='some'
>>              area2='hello'
>>              area3='world'
>>          self.dlg.lineEdit_2.setText(str(area1))
>>          self.dlg.lineEdit_3.setText(str(area2))
>>          self.dlg.lineEdit_4.setText(str(area3))
>>          pass
>>
>> but no change.
>
> distance is a string, then you have to compare it with the string "0"
> not the integer
>
In addition, if the condition is false, then area1, area2 and area3 
won't exist, and you'll get a NameError (although the GUI might be 
hiding that from you!).



More information about the Python-list mailing list