hnc-vitalii/HNS/Excercises/27.08.2023/classes.py

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import math
from abc import abstractmethod
from abc import ABC
class Shape(ABC):
color = ''
@abstractmethod
def area(self):
pass
@abstractmethod
def perimeter(self):
pass
@staticmethod
def create_from_json(json):
if 'type' in json:
shape_type = json['type']
if shape_type == 'rectangle':
return Rectangle(json['width', 'height'])
elif shape_type == 'square':
return Square(json['side'])
elif shape_type == 'circle':
return Circle(json('radius'))
else:
raise TypeError(f'вот тебе >>>(оIo), а не фигура {shape_type}')
@staticmethod
def covert_to_pro(obj):
if isinstance(obj, Shape):
result = obj.__dict__
result['className'] = obj.__class__.__name__
return result
class Rectangle(Shape):
def __init__(self, w, h):
self.w = w
self.h = h
def perimeter(self):
return 2 * (self.w + self.h)
def area(self):
return self.w * self.h
class Square(Shape):
def __init__(self, a):
self.a = a
def perimeter(self):
return 4 * self.a
def area(self):
return self.a * 2
class Circle(Shape):
def __init__(self, rad):
self.radius = rad
def perimeter(self):
return 2 * math.pi * self.radius
def area(self):
return math.pi + (self.radius ** 2)
def json_to_python():
with open('shapes.json') as shapes:
data = json.loads(shapes)
return data