Added get_photoshop_blocks() to parse Photoshop TIFF tag #6030
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hugovk
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Feb 9, 2022
src/PIL/TiffImagePlugin.py
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| """ | ||
| return self._getxmp(self.tag_v2[700]) if 700 in self.tag_v2 else {} | ||
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| def getphotoshopblocks(self): |
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Naming: I see this follows the other one here -- getxmp -- but how about get_photoshop_blocks for this new one?
Docs: let's at least add a docstring and release notes. Would any other documentation be useful?
(Docstring goes here:)
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Thank you for the other release notes too! |
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Resolves #6025
TIFF tag 34377 is a "Collection of Photoshop 'Image Resource Blocks'". This PR adds a method,
getphotoshopblocks(), to determine what blocks are present in an image. https://www.awaresystems.be/imaging/tiff/tifftags/docs/photoshopthumbnail.html was useful in writing this code.This PR does not go so far as to format the information within each block. Instead, the bytes are simply deposited within a dictionary under a "data" key. This will allow us to add in more useful information in the future without breaking backwards compatibility. https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/#50577409_pgfId-1037727 will be a good resource at that time.