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PEP 813: The Pretty Print Protocol #4690

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PEP 813: The Pretty Print Protocol
warsaw Nov 7, 2025
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The Elder Statesmen of Python
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Fix markup errors
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One more linting bug
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Exmaple fixes
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Alone again, naturally
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Update peps/pep-0813.rst
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The dunder is __pprint__(), not __pretty__()
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Update peps/pep-0813.rst
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Merge branch 'pep-813-pprint' of github.com:warsaw/peps into pep-813-…
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Update based on @AA-Turner's feedback
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Update peps/pep-0813.rst
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Merge branch 'main' into pep-813-pprint
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Update the PEP to match the latest decisions, and reference implement…
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Update peps/pep-0813.rst 
Co-authored-by: Carol Willing <[email protected]>
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@warsaw @willingc
warsaw and willingc authored Nov 12, 2025
commit 686fc4dae50ea23ce7fe37320af5267f640ef713
2 changes: 1 addition & 1 deletion peps/pep-0813.rst
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Expand Up @@ -54,7 +54,7 @@ There are several parts to this proposal.

Classes can implement a new dunder method, ``__pprint__()`` which if present, generates the pretty printed
representation of their instances. This augments ``__repr__()`` which, prior to this proposal, was the only
method used to generate a pretty representation of the object. Since object reprs provide functionality
method used to generate a custom representation of the object. Since object reprs provide functionality
distinct from pretty printing, some classes may want more control over their pretty display. The
:py:class:`python:pprint.PrettyPrinter` class is modified to respect an object's ``__pprint__()`` method if
present.
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