Python hasattr()

2021 VietMX PYTHON 0

The hasattr() method returns true if an object has the given named attribute and false if it does not.

The syntax of hasattr() method is:

hasattr(object, name)

hasattr() is called by getattr() to check to see if AttributeError is to be raised or not.

1. hasattr() Parameters

hasattr() method takes two parameters:

  • object – object whose named attribute is to be checked
  • name – name of the attribute to be searched

2. Return value from hasattr()

hasattr() method returns:

  • True, if object has the given named attribute
  • False, if object has no given named attribute

3. Example: How hasattr() works in Python?

class Person:
    age = 23
    name = 'Adam'

person = Person()

print('Person has age?:', hasattr(person, 'age'))
print('Person has salary?:', hasattr(person, 'salary'))

Output

Person has age?: True
Person has salary?: False

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