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Use sqlite-vec extension instead of chromadb for embeddings (#14163)

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* swap sqlite_vec for chroma in requirements

* load sqlite_vec in embeddings manager

* remove chroma and revamp Embeddings class for sqlite_vec

* manual minilm onnx inference

* remove chroma in clip model

* migrate api from chroma to sqlite_vec

* migrate event cleanup from chroma to sqlite_vec

* migrate embedding maintainer from chroma to sqlite_vec

* genai description for sqlite_vec

* load sqlite_vec in main thread db

* extend the SqliteQueueDatabase class and use peewee db.execute_sql

* search with Event type for similarity

* fix similarity search

* install and add comment about transformers

* fix normalization

* add id filter

* clean up

* clean up

* fully remove chroma and add transformers env var

* readd uvicorn for fastapi

* readd tokenizer parallelism env var

* remove chroma from docs

* remove chroma from UI

* try removing custom pysqlite3 build

* hard code limit

* optimize queries

* revert explore query

* fix query

* keep building pysqlite3

* single pass fetch and process

* remove unnecessary re-embed

* update deps

* move SqliteVecQueueDatabase to db directory

* make search thumbnail take up full size of results box

* improve typing

* improve model downloading and add status screen

* daemon downloading thread

* catch case when semantic search is disabled

* fix typing

* build sqlite_vec from source

* resolve conflict

* file permissions

* try build deps

* remove sources

* sources

* fix thread start

* include git in build

* reorder embeddings after detectors are started

* build with sqlite amalgamation

* non-platform specific

* use wget instead of curl

* remove unzip -d

* remove sqlite_vec from requirements and load the compiled version

* fix build

* avoid race in db connection

* add scale_factor and bias to description zscore normalization
This commit is contained in:
Josh Hawkins
2024-10-07 15:30:45 -05:00
committed by GitHub
parent 757150dec1
commit 24ac9f3e5a
42 changed files with 951 additions and 533 deletions
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6
frigate/genai/__init__.py
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@@ -31,12 +31,12 @@ class GenAIClient:
self,
camera_config: CameraConfig,
thumbnails: list[bytes],
metadata: dict[str, any],
label: str,
) -> Optional[str]:
"""Generate a description for the frame."""
prompt = camera_config.genai.object_prompts.get(
metadata["label"], camera_config.genai.prompt
).format(**metadata)
label, camera_config.genai.prompt
)
return self._send(prompt, thumbnails)
def _init_provider(self):