Answers for "python property decorator"

Python

python property decorator

# Using @property decorator
class Celsius:
    def __init__(self, temperature=0):
        self.temperature = temperature

    def to_fahrenheit(self):
        return (self.temperature * 1.8) + 32

    @property
    def temperature(self):
        print("Getting value...")
        return self._temperature

    @temperature.setter
    def temperature(self, value):
        print("Setting value...")
        if value < -273.15:
            raise ValueError("Temperature below -273 is not possible")
        self._temperature = value


# create an object
human = Celsius(37)

print(human.temperature)

print(human.to_fahrenheit())

coldest_thing = Celsius(-300)

Posted by: Guest on May-21-2021

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@property in python

class Person:
    def __init__(self, name):
        self._name = name

    def get_name(self):
        print('Getting name')
        return self._name

    def set_name(self, value):
        print('Setting name to ' + value)
        self._name = value

    def del_name(self):
        print('Deleting name')
        del self._name

    # Set property to use get_name, set_name
    # and del_name methods
    name = property(get_name, set_name, del_name, 'Name property')

p = Person('Adam')
print(p.name)
p.name = 'John'
del p.name

Posted by: Guest on December-07-2020

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python property decorator

@property decorator is a built-in decorator in Python which is helpful in defining the properties effortlessly without manually calling the inbuilt function property(). Which is used to return the property attributes of a class from the stated getter, setter and deleter as parameters.
class Student:

    def __init__(self, name):
        self.__name = name

    @property
    def name(self):
        return self.__name

Posted by: Guest on April-20-2021

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-1

@property in python

Getting name
The name is: Adam
Setting name to John
Deleting name

Posted by: Guest on December-07-2020

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