Laba5

import sys
import math as m
from tkinter import *

types = [("cos", 1), ("sin", 2), ("tan", 3), ("ctg", 4)]
GR = [("Rad", 1), ("Grad", 2)]

class windowCalc:
    def __init__(self):
        self.window = Tk()
        self.window.title("Calculator example")
        self.row = 0

        self.entryValue = StringVar()
        self.entryValue.set("")
        self.inputType = IntVar()
        self.funType = IntVar()
        self.result = StringVar()
        self.entryValue.set("")

        Label(text = "Введите число:")\
            .grid(row = self.row, column = 0, sticky = "w")
        Entry(text = 0, textvariable = self.entryValue)\
            .grid(row = self.row, column = 1, sticky = "w")
        self.row +=1

        i = 0
        for type, value_type in GR:
            Radiobutton(text = type, value = value_type, variable = self.inputType)\
                .grid(row = self.row, column = i)
            i+=1
        self.row +=1

        i = 0
        for fun_type, fun_value_type in types:
            Radiobutton(text = fun_type, value = fun_value_type, variable = self.funType)\
                .grid(row = self.row, column = i)
            i+=1
        self.row +=1

        Button(text = "Решить", command = self.eval)\
            .grid(row = self.row)
        self.row += 1

        Label(text = "Результат = ")\
            .grid(row = self.row, column = 0)
        Label(textvariable = self.result)\
            .grid(row = self.row, column = 1)
        self.row+=1

    def eval(self):
        value:float = self.getValue()
        type = self.funType.get()
        if type == 1:
            self.result.set(m.cos(value))
        elif type == 2:
            self.result.set(m.sin(value))
        elif type == 3:
            self.result.set(m.tan(value))
        elif type == 4:
              if (m.tan(value) != 0.0):
                  self.result.set(m.tan(value) ** -1)
              else:
                  self.result.set(m.inf)

    def getValue(self) -> float:
        if self.entryValue.get() == '':
            return 0
        elif self.inputType.get() == 2:
            return float(m.radians(float(self.entryValue.get())))
        else:
            return float(self.entryValue.get())
    def draw(self):
        self.window.mainloop()

def main(sysv):
    mainWindow = windowCalc()
    mainWindow.draw()
if __name__ == "__main__":
    main(sys.argv)