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[ENH] Create a CHROMA_HOME variable to alter Download Path for Emebeddings. #2089

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[ENH] Create a CHROMA_HOME variable to alter Download Path for Emebeddings. #2089

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f3d09fe
feat: patch cache path
Apr 30, 2024
a4ea085
feat: patch cache path
Apr 30, 2024
36b5bb1
fix included optional
May 28, 2024
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2 changes: 1 addition & 1 deletion chromadb/api/fastapi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -427,7 +427,7 @@ def _get(
documents=body.get("documents", None),
data=None,
uris=body.get("uris", None),
included=body["included"],
included=body.get("included", None),
)

@trace_method("FastAPI._delete", OpenTelemetryGranularity.OPERATION)
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6 changes: 5 additions & 1 deletion chromadb/utils/embedding_functions.py
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Expand Up @@ -371,6 +371,10 @@ def __call__(self, input: Documents) -> Embeddings:

return cast(Embeddings, self._model.encode(texts_with_instructions).tolist())

def get_base_path() -> Path:
if "CHROMA_HOME" in os.environ:
return Path(os.environ["CHROMA_HOME"])
return Path.home()

# In order to remove dependencies on sentence-transformers, which in turn depends on
# pytorch and sentence-piece we have created a default ONNX embedding function that
Expand All @@ -379,7 +383,7 @@ def __call__(self, input: Documents) -> Embeddings:
# and verify the ONNX model.
class ONNXMiniLM_L6_V2(EmbeddingFunction[Documents]):
MODEL_NAME = "all-MiniLM-L6-v2"
DOWNLOAD_PATH = Path.home() / ".cache" / "chroma" / "onnx_models" / MODEL_NAME
DOWNLOAD_PATH = get_base_path() / ".cache" / "chroma" / "onnx_models" / MODEL_NAME
EXTRACTED_FOLDER_NAME = "onnx"
ARCHIVE_FILENAME = "onnx.tar.gz"
MODEL_DOWNLOAD_URL = (
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