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get-attr-with-constant (B009)#

Derived from the flake8-bugbear linter.

Fix is always available.

What it does#

Checks for uses of getattr that take a constant attribute value as an argument (e.g., getattr(obj, "foo")).

Why is this bad?#

getattr is used to access attributes dynamically. If the attribute is defined as a constant, it is no safer than a typical property access. When possible, prefer property access over getattr calls, as the former is more concise and idiomatic.


getattr(obj, "foo")

Use instead: