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- **Description:** Adds the ability to either `get_or_create` or simply `get_collection`. This is useful when dealing with read-only Chroma instances where users are constraint to using `get_collection`. Targeted at Http/CloudClients mostly. - **Issue:** chroma-core/chroma#2163 - **Dependencies:** N/A - **Twitter handle:** `@t_azarov` | Collection Exists | create_collection_if_not_exists | Outcome | test | |-------------------|---------------------------------|----------------------------------------------------------------|----------------------------------------------------------| | True | False | No errors, collection state unchanged | `test_create_collection_if_not_exist_false_existing` | | True | True | No errors, collection state unchanged | `test_create_collection_if_not_exist_true_existing` | | False | False | Error, `get_collection()` fails | `test_create_collection_if_not_exist_false_non_existing` | | False | True | No errors, `get_or_create_collection()` creates the collection | `test_create_collection_if_not_exist_true_non_existing` | |
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| langchain_chroma | ||
| scripts | ||
| tests | ||
| .gitignore | ||
| LICENSE | ||
| Makefile | ||
| poetry.lock | ||
| pyproject.toml | ||
| README.md | ||
langchain-chroma
This package contains the LangChain integration with Chroma.
Installation
pip install -U langchain-chroma
Usage
The Chroma class exposes the connection to the Chroma vector store.
from langchain_chroma import Chroma
embeddings = ... # use a LangChain Embeddings class
vectorstore = Chroma(embeddings=embeddings)