pytorch / pytorch/vision

Make `padding_mode` as Enum and strings

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#6,250 4 comments 1 reaction 0 assignees View on GitHub

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enhancement module: transforms prototype
Dominant language
Python
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Description

Currently padding_mode is a string: "constant", "edge", "reflect", "symmetric" and in the codebase we already have enums like InterpolationMode and others in prototype space.

Let's create an enum for padding mode and convert the type into it while keeping BC by supporting string values.

cc @vfdev-5 @datumbox @bjuncek @pmeier

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Research direction

Start by locating the existing prototype-space InterpolationMode and other enums, then find every use of padding_mode in the transforms code. Define the padding-mode enum with the listed values while preserving support for the existing string values, and run the affected tests to verify both forms remain supported.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
computer-vision
Issue type
Refactor
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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