загружаю итоговый вариант дз
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@ -1 +1 @@
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{"shapes": [{"width": 5, "height": 10, "type": "Rectangle"}, {"radius": 7, "type": "Circle"}, {"side": 4, "type": "Square"}]}
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{"shapes": [{"radius": 7, "color": "blue", "type": "Circle"}, {"side": 0, "color": "unknown", "type": "Square"}]}
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@ -20,10 +20,9 @@ class Shape(ABC):
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if "type" in json:
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shape_type = json["type"].lower()
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if shape_type == "circle":
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radius =
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return Circle(json["radius"])
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radius = 'radius'
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elif shape_type == "square":
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return Square(json["side"])
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side = 'side'
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elif shape_type == "rectangle":
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return Rectangle(json["width"], json["height"])
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else:
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@ -33,10 +32,10 @@ class Shape(ABC):
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@staticmethod
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def convert_to_json(obj):
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global result
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if isinstance(obj, Shape):
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result = obj.__dict__
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result["type"] = obj.__class__.__name__
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result['color'] = obj.color
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return result
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def safe_read (shape_type, property, default_value):
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@ -1,29 +1,73 @@
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import json
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import random
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from classes import Shape, Square, Circle, Rectangle
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def json_to_python():
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def safe_read(obj, property, default_value):
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if property in obj:
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return obj[property]
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return default_value
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def create_shape(json):
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if 'type' in json:
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shape_type = json['type'].lower()
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if shape_type == 'circle':
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radius = safe_read(json, 'radius', 0)
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obj = Circle(radius)
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elif shape_type == 'square':
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side = safe_read(json, 'side', 0)
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obj = Square(side)
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elif shape_type == 'rectangle':
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width = safe_read(json, 'width', 0)
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height = safe_read(json, 'height', 0)
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obj = Rectangle(width, height)
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else:
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raise TypeError(f'вот тебе >>>(оIo), а не фигура {shape_type}')
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obj.color = safe_read(json, 'color', 'unknown')
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return obj
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def generate_shape():
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types = ['square', 'circle', 'rectangle']
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rnd = random.randint(0, len(types) - 1)
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shape_type = types[rnd]
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if shape_type == 'circle':
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obj = Circle(rnd)
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elif shape_type == 'square':
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obj = Square(rnd)
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elif shape_type == 'rectangle':
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obj = Rectangle(rnd, rnd)
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else:
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raise TypeError(f'Происходит что-то непонятное')
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obj.color = 'unknown'
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return obj
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def json_to_python(filename):
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data_list = []
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with open("shapes.json") as lines:
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with open(filename) as lines:
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data = json.load(lines)
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for i in data["shapes"]:
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print()
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print("Type:", i["type"])
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print("Color:", i["color"])
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sh1 = Shape.create_shape(i)
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print(f'area = {sh1.area()}')
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print(f'perimetr = {sh1.perimetr()}')
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sh1 = create_shape(i)
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data_list.append(sh1)
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for j in data_list:
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print(j.convert_to_json(j))
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data_list2 = ("{\"shapes\": " + json.dumps(data_list, default=Shape.convert_to_json) + "}")
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print(data_list2)
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with open('Shape change.json', 'w') as f:
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f.write(data_list2)
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return data_list
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def python_to_json(data, filename):
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with open(filename, 'w') as f:
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json.dump({'shapes': data}, f, default=Shape.convert_to_json)
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json_to_python()
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def filter_shapes(data, area):
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return [shape for shape in data if shape.area() >= area]
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shape_list = json_to_python('shapes.json')
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shape_list = filter_shapes(shape_list, 100)
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shape_list.append(generate_shape())
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python_to_json(shape_list, 'shape change.json')
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@ -1,20 +1 @@
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{
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"shapes": [
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{
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"type": "rectangle",
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"width": 5,
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"height": 10,
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"color": "red"
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},
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{
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"type": "circle",
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"radius": 7,
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"color": "blue"
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},
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{
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"type": "square",
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"side": 4,
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"color": "green"
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}
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]
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}
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{"shapes": [{"radius": 7, "color": "blue", "type": "Circle"}, {"width": 2, "height": 2, "color": "unknown", "type": "Rectangle"}, {"side": 0, "color": "unknown", "type": "Square"}]}
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