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chore(package): migrate to src/ layout (#3920)

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Migrates package structure to src/ layout following Python packaging
best practices.

All code moved from `llama_stack/` to `src/llama_stack/`. Public API
unchanged - imports remain `import llama_stack.*`.

Updated build configs, pre-commit hooks, scripts, and GitHub workflows
accordingly. All hooks pass, package builds cleanly.

**Developer note**: Reinstall after pulling: `pip install -e .`
This commit is contained in:
Ashwin Bharambe 2025-10-27 12:02:21 -07:00 • committed by GitHub
parent 98a5047f9d
commit 471b1b248b
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llama_stack/providers/remote/inference/nvidia/nvidia.py
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# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
from llama_stack.log import get_logger
from llama_stack.providers.utils.inference.openai_mixin import OpenAIMixin
from . import NVIDIAConfig
from .utils import _is_nvidia_hosted
logger = get_logger(name=__name__, category="inference::nvidia")
class NVIDIAInferenceAdapter(OpenAIMixin):
config: NVIDIAConfig
"""
NVIDIA Inference Adapter for Llama Stack.
"""
# source: https://docs.nvidia.com/nim/nemo-retriever/text-embedding/latest/support-matrix.html
embedding_model_metadata: dict[str, dict[str, int]] = {
"nvidia/llama-3.2-nv-embedqa-1b-v2": {"embedding_dimension": 2048, "context_length": 8192},
"nvidia/nv-embedqa-e5-v5": {"embedding_dimension": 512, "context_length": 1024},
"nvidia/nv-embedqa-mistral-7b-v2": {"embedding_dimension": 512, "context_length": 4096},
"snowflake/arctic-embed-l": {"embedding_dimension": 512, "context_length": 1024},
}
async def initialize(self) -> None:
logger.info(f"Initializing NVIDIAInferenceAdapter({self.config.url})...")
if _is_nvidia_hosted(self.config):
if not self.config.auth_credential:
raise RuntimeError(
"API key is required for hosted NVIDIA NIM. Either provide an API key or use a self-hosted NIM."
)
def get_api_key(self) -> str:
"""
Get the API key for OpenAI mixin.
:return: The NVIDIA API key
"""
if self.config.auth_credential:
return self.config.auth_credential.get_secret_value()
if not _is_nvidia_hosted(self.config):
return "NO KEY REQUIRED"
return None
def get_base_url(self) -> str:
"""
Get the base URL for OpenAI mixin.
:return: The NVIDIA API base URL
"""
return f"{self.config.url}/v1" if self.config.append_api_version else self.config.url