dev #5

Closed
ly wants to merge 93 commits from dev into dev-db
2 changed files with 272 additions and 0 deletions
Showing only changes of commit 092d9705a7 - Show all commits
View File
+272
View File
@@ -0,0 +1,272 @@
"""Xinference embeddings file."""
import logging
from enum import Enum
from http import HTTPStatus
from typing import Any, Dict, List, Optional, Union, Tuple
from llama_index.core.base.embeddings.base import BaseEmbedding, Embedding
from llama_index.core.bridge.pydantic import PrivateAttr
from llama_index.core.embeddings.multi_modal_base import MultiModalEmbedding
from llama_index.core.schema import ImageType
from pydantic import Field
logger = logging.getLogger(__name__)
# class XinferenceTextEmbeddingType(str, Enum):
# """DashScope TextEmbedding text_type."""
#
# TEXT_TYPE_QUERY = "query"
# TEXT_TYPE_DOCUMENT = "document"
#
#
# class DashScopeTextEmbeddingModels(str, Enum):
# """DashScope TextEmbedding models."""
#
# TEXT_EMBEDDING_V1 = "text-embedding-v1"
# TEXT_EMBEDDING_V2 = "text-embedding-v2"
# TEXT_EMBEDDING_V3 = "text-embedding-v3"
#
#
# class DashScopeBatchTextEmbeddingModels(str, Enum):
# """DashScope TextEmbedding models."""
#
# TEXT_EMBEDDING_ASYNC_V1 = "text-embedding-async-v1"
# TEXT_EMBEDDING_ASYNC_V2 = "text-embedding-async-v2"
# TEXT_EMBEDDING_ASYNC_V3 = "text-embedding-async-v3"
EMBED_MAX_INPUT_LENGTH = 2048
EMBED_MAX_BATCH_SIZE = 1
# class DashScopeMultiModalEmbeddingModels(str, Enum):
# """DashScope MultiModalEmbedding models."""
#
# MULTIMODAL_EMBEDDING_ONE_PEACE_V1 = "multimodal-embedding-one-peace-v1"
# def get_text_embedding(
# model: str,
# text: Union[str, List[str]],
# api_key: Optional[str] = None,
# **kwargs: Any,
# ) -> List[List[float]]:
# """Call DashScope text embedding.
# ref: https://help.aliyun.com/zh/dashscope/developer-reference/text-embedding-api-details.
#
# Args:
# model (str): The `DashScopeTextEmbeddingModels`
# text (Union[str, List[str]]): text or list text to embedding.
#
# Raises:
# ImportError: need import dashscope
#
# Returns:
# List[List[float]]: The list of embedding result, if failed return empty list.
# if some of test no output, the correspond index of output is None.
# """
# try:
# import dashscope
# except ImportError:
# raise ImportError("DashScope requires `pip install dashscope")
# if isinstance(text, str):
# text = [text]
# response = dashscope.TextEmbedding.call(
# model=model, input=text, api_key=api_key, kwargs=kwargs
# )
# embedding_results = [None] * len(text)
# if response.status_code == HTTPStatus.OK:
# for emb in response.output["embeddings"]:
# embedding_results[emb["text_index"]] = emb["embedding"]
# else:
# logger.error("Calling TextEmbedding failed, details: %s" % response)
#
# return embedding_results
#
#
# def get_batch_text_embedding(
# model: str, url: str, api_key: Optional[str] = None, **kwargs: Any
# ) -> Optional[str]:
# """Call DashScope batch text embedding.
#
# Args:
# model (str): The `DashScopeMultiModalEmbeddingModels`
# url (str): The url of the file to embedding which with lines of text to embedding.
#
# Raises:
# ImportError: Need install dashscope package.
#
# Returns:
# str: The url of the embedding result, format ref:
# https://help.aliyun.com/zh/dashscope/developer-reference/text-embedding-async-api-details
# """
# try:
# import dashscope
# except ImportError:
# raise ImportError("DashScope requires `pip install dashscope")
# response = dashscope.BatchTextEmbedding.call(
# model=model, url=url, api_key=api_key, kwargs=kwargs
# )
# if response.status_code == HTTPStatus.OK:
# return response.output["url"]
# else:
# logger.error("Calling BatchTextEmbedding failed, details: %s" % response)
# return None
# def get_multimodal_embedding(
# model: str, input: list, api_key: Optional[str] = None, **kwargs: Any
# ) -> List[float]:
# """Call DashScope multimodal embedding.
# ref: https://help.aliyun.com/zh/dashscope/developer-reference/one-peace-multimodal-embedding-api-details.
#
# Args:
# model (str): The `DashScopeBatchTextEmbeddingModels`
# input (str): The input of the embedding, eg:
# [{'factor': 1, 'text': '你好'},
# {'factor': 2, 'audio': 'https://dashscope.oss-cn-beijing.aliyuncs.com/audios/cow.flac'},
# {'factor': 3, 'image': 'https://dashscope.oss-cn-beijing.aliyuncs.com/images/256_1.png'}]
#
# Raises:
# ImportError: Need install dashscope package.
#
# Returns:
# List[float]: Embedding result, if failed return empty list.
# """
# try:
# import dashscope
# except ImportError:
# raise ImportError("DashScope requires `pip install dashscope")
# response = dashscope.MultiModalEmbedding.call(
# model=model, input=input, api_key=api_key, kwargs=kwargs
# )
# if response.status_code == HTTPStatus.OK:
# return response.output["embedding"]
# else:
# logger.error("Calling MultiModalEmbedding failed, details: %s" % response)
# return []
class XinferenceEmbedding(BaseEmbedding):
"""Xinference class for text embedding.
"""
model_description: Dict[str, Any] = Field(
description="The model description from Xinference."
)
_generator: Any = PrivateAttr()
_model_uid: str = Field(description="The Xinference model to use.")
_endpoint: str = Field(description="The Xinference endpoint URL to use.")
def __init__(
self,
model_uid: str,
endpoint: str,
embed_batch_size: int = EMBED_MAX_BATCH_SIZE,
dimensions: Optional[int] = None,
additional_kwargs: Optional[Dict[str, Any]] = None,
api_key: Optional[str] = None,
api_base: Optional[str] = None,
api_version: Optional[str] = None,
max_retries: int = 10,
# timeout: float = 60.0,
# reuse_client: bool = True,
# callback_manager: Optional[CallbackManager] = None,
# default_headers: Optional[Dict[str, str]] = None,
# http_client: Optional[httpx.Client] = None,
# async_http_client: Optional[httpx.AsyncClient] = None,
# num_workers: Optional[int] = None,
**kwargs: Any,
) -> None:
generator, model_description = self.load_model(
model_uid, endpoint
)
self._generator = generator
#self._model_uid = model_uid
#self._endpoint = endpoint
super().__init__(
embed_batch_size=embed_batch_size,
dimensions=dimensions,
#callback_manager=callback_manager,
model_name=model_uid,
additional_kwargs=additional_kwargs,
api_key=api_key,
api_base=api_base,
api_version=api_version,
max_retries=max_retries,
# reuse_client=reuse_client,
# timeout=timeout,
# default_headers=default_headers,
# num_workers=num_workers,
**kwargs,
)
def load_model(self, model_uid: str, endpoint: str) -> Tuple[Any, int, dict]:
try:
from xinference.client import RESTfulClient
except ImportError:
raise ImportError(
"Could not import Xinference library."
'Please install Xinference with `pip install "xinference[all]"`'
)
client = RESTfulClient(endpoint)
try:
assert isinstance(client, RESTfulClient)
except AssertionError:
raise RuntimeError(
"Could not create RESTfulClient instance."
"Please make sure Xinference endpoint is running at the correct port."
)
generator = client.get_model(model_uid)
model_description = client.list_models()[model_uid]
try:
assert generator is not None
assert model_description is not None
except AssertionError:
raise RuntimeError(
"Could not get model from endpoint."
"Please make sure Xinference endpoint is running at the correct port."
)
model = model_description["model_name"]
return generator, model_description
@classmethod
def class_name(cls) -> str:
return "XinferenceEmbedding"
def _get_text_embedding(self, text: str) -> Embedding:
"""
Embed the input text synchronously.
Subclasses should implement this method. Reference get_text_embedding's
docstring for more information.
"""
assert self._generator is not None
response = self._generator.create_embedding(input=text)
return response['data'][0]['embedding']
def _get_query_embedding(self, query: str) -> Embedding:
"""
Embed the input query synchronously.
Subclasses should implement this method. Reference get_query_embedding's
docstring for more information.
"""
return self._get_text_embedding(query)
async def _aget_query_embedding(self, query: str) -> Embedding:
"""
Embed the input query asynchronously.
Subclasses should implement this method. Reference get_query_embedding's
docstring for more information.
"""
return self._get_query_embedding(query)