ai-parrot-embeddings
Concrete backend implementations for the AI-Parrot retrieval stack: embedding models, vector stores, and rerankers.
What's in this package
This satellite contributes modules to three subsystems of the
parrot.* namespace:
parrot.embeddings.{google, huggingface, openai}— embedding backendsparrot.stores.{postgres, pgvector, milvus, arango, bigquery, faiss_store}— vector storesparrot.rerankers.{local, llm}— rerankers
The abstract base classes (EmbeddingModel, AbstractStore, AbstractReranker),
the registries (EmbeddingRegistry), the dispatch maps (supported_embeddings,
supported_stores), and all shared types (parrot.stores.models.Document,
SearchResult, etc.) remain in the ai-parrot core package.
Import contract
This package uses PEP 420 implicit namespace packages. Its modules ship
directly under the existing parrot.* namespace — no separate top-level.
Existing imports continue to work unchanged once installed:
from parrot.embeddings.huggingface import SentenceTransformerModel # from satellite
from parrot.stores.pgvector import PgVectorStore # from satellite
from parrot.embeddings import EmbeddingRegistry # from core
from parrot.stores import AbstractStore, supported_stores # from core
No code changes are needed in user projects after upgrading from
ai-parrot[embeddings] to ai-parrot-embeddings[...].
Install
| Goal | Command |
|---|---|
| Core framework only (no backends) | pip install ai-parrot |
| One backend | pip install ai-parrot-embeddings[pgvector] |
| Multiple backends | pip install ai-parrot-embeddings[pgvector,milvus,huggingface] |
| Embeddings + vector stores | pip install ai-parrot-embeddings[huggingface,pgvector] |
| Rerankers | pip install ai-parrot-embeddings[reranker-local] |
| Everything | pip install ai-parrot-embeddings[all] |
| Legacy all-in-one (unchanged) | pip install ai-parrot[all] |
Extras
| Extra | Pulls in | Enables |
|---|---|---|
huggingface |
sentence-transformers, tokenizers, safetensors, einops, accelerate, peft, xformers, simsimd, bm25s, rank_bm25, sentencepiece |
parrot.embeddings.huggingface.SentenceTransformerModel |
google |
google-genai, google-cloud-aiplatform |
parrot.embeddings.google.GoogleEmbeddingModel |
openai |
openai, tiktoken |
parrot.embeddings.openai.OpenAIEmbeddingModel |
pgvector |
pgvector==0.4.1 |
parrot.stores.postgres.PgVectorStore, parrot.stores.pgvector.PgVectorStore |
milvus |
pymilvus, milvus-lite |
parrot.stores.milvus.MilvusStore |
arango |
python-arango-async |
parrot.stores.arango.ArangoDBStore |
bigquery |
google-cloud-bigquery |
parrot.stores.bigquery.BigQueryStore |
faiss |
(no extra deps; faiss-cpu ships with ai-parrot core) |
parrot.stores.faiss_store.FAISSStore |
chroma |
(empty — chromadb removed due to unpatched CVEs) | (reserved) |
reranker-local |
sentence-transformers, tokenizers, safetensors |
parrot.rerankers.local.LocalCrossEncoderReranker |
reranker-llm |
(no extra deps; uses existing LLM clients) | parrot.rerankers.llm.LLMReranker |
all |
All of the above | Full retrieval stack |
Development
git clone https://github.com/phenobarbital/ai-parrot
cd ai-parrot
source .venv/bin/activate
uv pip install -e packages/ai-parrot -e packages/ai-parrot-embeddings
uv run pytest packages/ai-parrot-embeddings/tests/
Or for the full workspace (if no pre-existing dependency conflicts):
uv sync --all-packages
Architecture
This package uses PEP 420 implicit namespace packages (not the
parrot_<name>.* + sys.meta_path redirector pattern used by
ai-parrot-tools, -loaders, -pipelines). The satellite ships no
__init__.py files at parrot/, parrot/embeddings/, parrot/stores/,
or parrot/rerankers/. Python's import machinery merges the satellite's
directory entries with the host's regular packages at import time, because
the host's sub-package __init__.py files call pkgutil.extend_path.
Design rationale
- Spec:
sdd/specs/ai-parrot-embeddings.spec.md - Proposal:
sdd/proposals/ai-parrot-embeddings.proposal.md - Feature: FEAT-201
1 maintainer
Metadata
1 maintainer
Release files for ai-parrot-embeddings 1.2.0
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Total release size: 226.5 kB
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