__all__

Dunder AttributePython 2.0+Intermediate

List of public names exported by a module with 'from module import *'

Quick Info

Documentation
Official Docs
Python Version
2.0+

Learn by Difficulty

Easy2 examples
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Intermediate1 example
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Advanced1 example
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Expert1 example
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Quick Example

python
# __all__ controls what 'from module import *' exports
# In a module, you would define:
# __all__ = ["public_func", "PublicClass"]
print("__all__ is typically defined at module level")
print("It restricts star imports to listed names only")
import math
print(hasattr(math, "__all__"))

__all__ is a special attribute that list of public names exported by a module with 'from module import *'.

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Tags

oopintrospectioncore