Allow loading tokenizer model from a local cache directory. #427
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Introduce the `GEMMA_CACHE_DIR` environment variable (Default to `~/.gemma`). If set, the tokenizer will attempt to load the `tokenizer_gemma2.model` file from this directory instead of downloading it. This helps in environments where network access is limited or to avoid repeated downloads. PiperOrigin-RevId: 819084710
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Allow loading tokenizer model from a local cache directory.
Introduce the
GEMMA_CACHE_DIRenvironment variable (Default to~/.gemma). If set, the tokenizer will attempt to load thetokenizer_gemma2.modelfile from this directory instead of downloading it. This helps in environments where network access is limited or to avoid repeated downloads.