GRAPHICS V6 graphics.py

from math import *


class Graphic():
    def __init__(self, func, f_range=(-10000,10000), hide_graphic=False):
        self.function = func
        self.l_range = f_range[0]
        self.h_range = f_range[1]
        self.hided = hide_graphic
        self.dots = []
        self.set_dots()

    def set_dots(self):
        x_dots = []
        y_dots = []
        for x in range(self.l_range, self.h_range):
            try:
                x /= 100                                   # Уменьшение x для получения более точного рисунка графика
                y = self.set_y_value(x)
                x_dots.append(x)
                y_dots.append(y)
            except Exception:
                x_dots.append(None)
                y_dots.append(None)
                continue
        self.dots.append(x_dots)
        self.dots.append(y_dots)

    def get_dots(self):
        return self.dots

    def set_y_value(self, x):
        func = self.function
        return eval(func)

    def get_y_value(self, x):
        if x not in self.dots[0]:
            try:
                y = self.set_y_value(x)
                return y
            except Exception:
                return None
        else:
            index = self.dots[0].index(x)
            return self.dots[1][index]

def main():
    graph = Graphic('1/x')
    print(*graph.get_dots())
    print()
    print(graph.get_y_value(1))
    print()
    print(graph.get_y_value(0))


if __name__ == '__main__':
    main()