do not use hasattr to check if a value is callable

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Metadata

ID: python-best-practices/use-callable-not-hasattr

Language: Python

Severity: Notice

Category: Best Practices

Do not make any check using hasattr to check if a function is callable since the object may have redefine __getattr__. Instead, use callable().

hasattr(x, '__call__')  # use callable

callable(x)

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rulesets:
  - python-best-practices     # Rules to enforce Python best practices.

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