Plaxis Scripting - Pyside 2 Input Error

Question

Hello folks 
 I am creating a gui-enabled script using Pyside2. My goal is to change the line length. The user will select the line to modify and enter the length. 
 Selected_Line = self.Lines_QComboBox.currentText() #select the line 
Line_Length = float(self.Min_Line_Length_QLine_Edit.text()) #enter the length.
g_i.Selected_Line.Second.y.set(Line_Length) #change the length of the line 
 However I'm getting "AttributeError: Requested attribute 'Selected_Line' is not present". 
 
 In order to overcome this issue, I used the eval function. 
 Selected_Line = self.Lines_QComboBox.currentText() #select the line 
Line_Length = float(self.Min_Line_Length_QLine_Edit.text()) #enter the length.
eval("g_i.%s.Second.y.set(Line_Length)"% (Selected_Line) #change the length of the line 
 
 Is there any alternative to overcome this problem without using eval function? 
 
 Thank you

Stefanos Papavasileiou · Accepted Answer

Dear John, 
 The Selected_Line is a variable you introduce so I do not expect it to exist on the g_i , which is the variable that defines the PLAXIS API server. 
 Unfortunately, the part of the code that you share is not enough for me to fully understand what you do and how you do it. 
 In general, if you refer to a PLAXIS object, e.g. Line_1 , then you need to specify it as: g_i.Line_1 . But if you define a variable as follows: selected_line = g_i.Line_1 
 then, you can simply run: selected_line.Second.y = line_length

Plaxis Scripting - Pyside 2 Input Error

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