python check if property exists in object code example

Example 1: python check if has attribute

if hasattr(a, 'property'):
    a.property

Example 2: python3 check if object has attribute

try:
    doStuff(a.property)
except AttributeError:
    otherStuff()

Example 3: if object has property python

Use hasattr()

hasattr(object, name)
#The arguments are an object and a string.
#The result is True if the string is the name of one of the
#object’s attributes, False if not.
#(This is implemented by calling getattr(object, name) and
#seeing whether it raises an AttributeError or not.)

Docs: https://docs.python.org/3/library/functions.html#hasattr