'Bringing back python classes;'
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>wmii-prog-obiektowe-python</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.python.pydev.PyDevBuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.python.pydev.pythonNature</nature>
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</natures>
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</projectDescription>
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from Figure import Figure
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class Circle(Figure):
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_r = None
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def setr(self, r):
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self._r = r
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def area(self):
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print("area = " + str(3.14 * self._r**2))
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class Figure:
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def area(self):
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print("Not implemented")
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from Figure import Figure
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from Square import Square
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class Rectangle(Square):
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_y = None
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def sety(self, y):
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self._y = y
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def area(self):
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print("area = " + str(self._x * self._y))
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from Figure import Figure
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class Square(Figure):
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_x = None
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def setx(self, x):
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self._x = x
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def area(self):
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print("area = " + str(self._x * self._x))
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from Circle import Circle
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from Figure import Figure
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from Rectangle import Rectangle
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if __name__ == '__main__':
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r = Rectangle()
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r.setx(4)
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r.sety(8)
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r.area()
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c = Circle()
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c.setr(1)
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c.area()
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print('Finished')
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@ -20,14 +20,4 @@ if __name__ == '__main__':
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# print(str(s1.__name)) # will not work
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print(s1.get_name())
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# generics... actually are not needed - duck typing
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figList = [Figure('f1'), Figure('f2')]
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print(figList)
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print(*figList) # uses our __str__ function
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figList = [Square('s1'), Square('s2')]
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print(figList)
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print(*figList) # uses our __str__ function
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print(figList[0].get_name()) # but there is no help from IDE
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print('Finished!')
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