When is getattr called

For instance, suppose I want to define a class where all methods that only take a self argument are treated as properties:. I have gone through other's excellent explanation. All the following are from there. In that example, the d object already has an attribute value.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 10 years, 11 months ago. Active 8 months ago. Viewed k times. I have absolutely no idea what that means. If there is any documentation, I am ready to read that. Improve this question. Add a comment. Active Oldest Votes. Some basics first. Improve this answer. Abu Nafee Ibna Zahid. These two methods are implemented as methods of a class.

Essentially this method is used to find an attribute of a class. If it fails, it will raise an AttributeError. This is the explanation from the documentation :. Now, if you import the logger wrapper, you can call all Python logging methods on it, without ever explicitly defined them in your wrapper:.

For example, the info method is not defined on LoggerWrapper. The getattr method returns the value of the named attribute of an object. If not found, it returns the default value provided to the function. The named attribute sex is not present in the class Person. So, when calling getattr method with a default value Male , it returns Male. But, if we don't provide any default value, when the named attribute sex is not found, it raises an AttributeError saying the object has no sex attribute.

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