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Decompressor uses inexistent dictionary API #215

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Decompressor uses inexistent dictionary API#215
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@illia-v

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@illia-v
illia-v
opened on Nov 21, 2025
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While I was working on #207, I noticed that the decompressor class allows passing a custom dictionary, but the functionality is not working because lib.BrotliDecoderSetCustomDictionary was dropped since v1.0.9.0.

brotlicffi/src/brotlicffi/_api.py

Lines 369 to 376 in 75ac969

if dictionary:
self._dictionary = ffi.new("uint8_t []", dictionary)
self._dictionary_size = len(dictionary)
lib.BrotliDecoderSetCustomDictionary(
self._decoder,
self._dictionary_size,
self._dictionary
)

AttributeError: cffi library '_brotlicffi' has no function, constant or global variable named 'BrotliDecoderSetCustomDictionary'. Did you mean: 'BrotliDecoderAttachDictionary'?

It may be possible to use BrotliDecoderAttachDictionary instead of BrotliDecoderSetCustomDictionary.

This functionality has been broken for a few releases, so I hope it doesn't block releasing v1.2.0.0.

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