llama-stack-mirror/llama_stack
Ibrahim Haroon 35c2817d0a
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fix(weaviate): handle case where distance is 0 by setting score to infinity (#2415)
# What does this PR do?
Fixes provider weaviate `query_vector` function for when the distance
between the query embedding and an embedding within the vector db is 0
(identical vectors). Catches `ZeroDivisionError` and then sets `score`
to infinity, which represent maximum similarity.

<!-- If resolving an issue, uncomment and update the line below -->
Closes [#2381]

## Test Plan
Checkout this PR

Execute this code and there will no longer be a `ZeroDivisionError`
exception
```
from llama_stack_client import LlamaStackClient

base_url = "http://localhost:8321"
client = LlamaStackClient(base_url=base_url)

models = client.models.list()
embedding_model = (
    em := next(m for m in models if m.model_type == "embedding")
).identifier
embedding_dimension = 384

_ = client.vector_dbs.register(
    vector_db_id="foo_db",
    embedding_model=embedding_model,
    embedding_dimension=embedding_dimension,
    provider_id="weaviate",
)

chunk = {
    "content": "foo",
    "mime_type": "text/plain",
    "metadata": {
        "document_id": "foo-id"
    }
}

client.vector_io.insert(vector_db_id="foo_db", chunks=[chunk])
client.vector_io.query(vector_db_id="foo_db", query="foo")
```
2025-06-12 11:23:59 -04:00
..
apis fix: set appropriate defaults for params (#2434) 2025-06-11 17:30:34 -07:00
cli fix: resolve template name to config path in llama stack run (#2361) 2025-06-03 14:39:12 -07:00
distribution ci: fix external provider test (#2438) 2025-06-12 16:14:32 +02:00
models chore: remove usage of load_tiktoken_bpe (#2276) 2025-06-02 07:33:37 -07:00
providers fix(weaviate): handle case where distance is 0 by setting score to infinity (#2415) 2025-06-12 11:23:59 -04:00
strong_typing chore: enable pyupgrade fixes (#1806) 2025-05-01 14:23:50 -07:00
templates feat: add deps dynamically based on metastore config (#2405) 2025-06-05 14:07:25 -07:00
ui build: Bump version to 0.2.10 2025-06-05 22:56:39 +00:00
__init__.py export LibraryClient 2024-12-13 12:08:00 -08:00
env.py refactor(test): move tools, evals, datasetio, scoring and post training tests (#1401) 2025-03-04 14:53:47 -08:00
log.py ci: fix external provider test (#2438) 2025-06-12 16:14:32 +02:00
schema_utils.py chore: enable pyupgrade fixes (#1806) 2025-05-01 14:23:50 -07:00