QSpinBox pyqt5 learning

QSpinBox: step regulator and a single text box

Case

from PyQt5.Qt import *

class SB(QSpinBox):
    def textFromValue(self, p_int):
        print("xx2", p_int)
        # 1 * 1
        return str(p_int) + "*" + str(p_int)

    def valueFromText(self, p_str):
        print("xxxx", p_str)

class Window(QWidget):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("QSpinBox Learning " ) 
        self.resize ( 500, 500 ) 
        self.setup_ui () 

    DEF setup_ui (Self): 
        SB = SB (Self) 
        self.sb = SB 
        sb.resize ( 100, 25 ) 
        sb.move ( 100, 100 ) 
        sb.valueChanged [STR] .connect ( the lambda Val: Print (type (Val), Val)) 

        BTN = the QPushButton (Self) 
        btn.setText ( " test button " ) 
        btn.move ( 150, 150 )
        btn.clicked.connect ( the lambda :. sb.lineEdit () the setText ( " 30 * 30 " )) 

        # . Self Max Min () 

    DEF setting and getting values (Self):
         # self.sb.setRange (0, 9) 
        self.sb.setPrefix ( " stitch class " )
         # self.sb.setValue (66) 
        Print (self.sb.value ())
         Print (self.sb.text ())
         Print (self.sb.lineEdit ( ) .text ())
         Pass 

    DEF hexadecimal setting (self) shows:
         Print (self.sb.displayIntegerBase ()) 
        self.sb.setDisplayIntegerBase ( 2 )
         Print(self.sb.displayIntegerBase ()) 

    DEF prefixes and suffixes (Self):
         # self.sb.setRange (1, 12) 
        # self.sb.setSuffix ( "May") 
        self.sb.setRange (0, 6 ) 
        Self .sb.setPrefix ( " periphery " ) 
        self.sb.setSpecialValueText ( " Sun " )
         Pass 

    DEF step size (Self): 
        self.sb.setSingleStep ( . 3 ) 

    DEF value cycle (Self):
         Print (self.sb. Wrapping ()) 
        self.sb.setWrapping (True) 
        Print (self.sb.wrapping ()) 

    DEFMaximum Minimum (Self):
         # self.sb.setMaximum (180 [) 
        # Print (self.sb.maximum ()) 
        # self.sb.setMinimum (18 is) 
        # Print (self.sb.minimum ()) 
        Self. sb.setRange (18 is, 180 [ ) 

IF  the __name__ == ' __main__ ' :
     Import SYS 
    App = the QApplication (the sys.argv) 

    window = the window () 
    window.show () 


    the sys.exit (app.exec_ ())

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