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Available Embedders

  • HashEmbedder (default)
  • SentenceTransformerEmbedder

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HashEmbedder

HashEmbedder(dimension: int = 384, seed: str = "icrl-hash-v1")
  • deterministic
  • offline-safe
  • fast startup

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SentenceTransformerEmbedder

SentenceTransformerEmbedder(
    model_name: str = "all-MiniLM-L6-v2",
    allow_download: bool | None = None,
)

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Default Selection

default_embedder() chooses based on env vars:
  • ICRL_EMBEDDER=hash (default)
  • ICRL_EMBEDDER=sentence-transformers (or st aliases)
  • ICRL_EMBEDDER_ALLOW_DOWNLOAD=1 to permit model download
If sentence-transformers initialization fails, it falls back to HashEmbedder.