120 lines
2.7 KiB
Python
120 lines
2.7 KiB
Python
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import json
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import random
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from Shape import Shape
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from Circle import Circle
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from Rectangle import Rectangle
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from Square import Square
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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 generate_shape():
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max_length = [0, 100]
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types = ['square', 'circle', 'rectangle']
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colors = ['red', 'green', 'blue', 'yellow', 'black', 'white']
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type_index = random.randint(0, len(types) - 1)
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shape_type = types[type_index]
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if shape_type == 'circle':
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obj = Circle(random.randint(1, 100))
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elif shape_type == 'square':
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obj = Square(random.randint(1, 100))
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elif shape_type == 'rectangle':
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obj = Rectangle(random.randint(1, 100), random.randint(1, 100))
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else:
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raise TypeError(f'Происходит что-то непонятное')
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color_index = random.randint(0, len(colors) - 1)
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obj.color = colors[color_index]
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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(filename) as lines:
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data = json.load(lines)
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for i in data['shapes']:
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sh1 = create_shape(i)
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data_list.append(sh1)
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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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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, 20)
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shape_list.append(generate_shape())
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python_to_json(shape_list, 'shapes.json')
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