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Merge pull request #1 from superagent-ai/vectorstore
Vectorstore
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API_BASE_URL=https://rag.superagent.sh | ||
COHERE_API_KEY= | ||
HUGGINGFACE_API_KEY= |
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@@ -11,7 +11,6 @@ jobs: | |
strategy: | ||
matrix: | ||
python-version: | ||
- "3.8" | ||
- "3.9" | ||
- "3.10" | ||
- "3.11" | ||
|
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from typing import Dict | ||
from fastapi import APIRouter | ||
from models.ingest import RequestPayload | ||
from service.embedding import EmbeddingService | ||
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router = APIRouter() | ||
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@router.post("/ingest") | ||
async def ingest(payload: RequestPayload) -> Dict: | ||
embedding_service = EmbeddingService( | ||
files=payload.files, | ||
index_name=payload.index_name, | ||
vector_credentials=payload.vector_database, | ||
) | ||
documents = await embedding_service.generate_documents() | ||
chunks = await embedding_service.generate_chunks(documents=documents) | ||
await embedding_service.generate_embeddings(nodes=chunks) | ||
return {"success": True} |
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from fastapi import APIRouter | ||
from models.query import RequestPayload, ResponsePayload | ||
from service.vector_database import get_vector_service, VectorService | ||
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router = APIRouter() | ||
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@router.post("/query", response_model=ResponsePayload) | ||
async def query(payload: RequestPayload): | ||
vector_service: VectorService = get_vector_service( | ||
index_name=payload.index_name, credentials=payload.vector_database | ||
) | ||
chunks = await vector_service.query(input=payload.input, top_k=4) | ||
documents = await vector_service.convert_to_dict(points=chunks) | ||
results = await vector_service.rerank(query=payload.input, documents=documents) | ||
return {"success": True, "data": results} |
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from enum import Enum | ||
from pydantic import BaseModel | ||
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class FileType(Enum): | ||
pdf = "PDF" | ||
docx = "DOCX" | ||
txt = "TXT" | ||
pptx = "PPTX" | ||
csv = "CSV" | ||
xlsx = "XLSX" | ||
md = "MARKDOWN" | ||
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class File(BaseModel): | ||
type: FileType | ||
url: str |
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from typing import List | ||
from pydantic import BaseModel | ||
from models.file import File | ||
from models.vector_database import VectorDatabase | ||
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class RequestPayload(BaseModel): | ||
files: List[File] | ||
vector_database: VectorDatabase | ||
index_name: str |
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from pydantic import BaseModel | ||
from typing import List | ||
from models.vector_database import VectorDatabase | ||
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class RequestPayload(BaseModel): | ||
input: str | ||
vector_database: VectorDatabase | ||
index_name: str | ||
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class ResponseData(BaseModel): | ||
content: str | ||
file_url: str | ||
page_label: str | ||
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class ResponsePayload(BaseModel): | ||
success: bool | ||
data: List[ResponseData] |
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from typing import Dict | ||
from enum import Enum | ||
from pydantic import BaseModel | ||
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class DatabaseType(Enum): | ||
qdrant = "qdrant" | ||
pinecone = "pinecone" | ||
weaviate = "weaviate" | ||
astra = "astra" | ||
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class VectorDatabase(BaseModel): | ||
type: DatabaseType | ||
config: Dict |
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@@ -1,27 +1,90 @@ | ||
aiohttp==3.9.1 | ||
aiosignal==1.3.1 | ||
annotated-types==0.6.0 | ||
anyio==4.2.0 | ||
attrs==23.2.0 | ||
Authlib==1.3.0 | ||
backoff==2.2.1 | ||
beautifulsoup4==4.12.2 | ||
black==23.12.1 | ||
certifi==2023.11.17 | ||
cffi==1.16.0 | ||
charset-normalizer==3.3.2 | ||
click==8.1.7 | ||
cohere==4.42 | ||
cryptography==41.0.7 | ||
dataclasses-json==0.6.3 | ||
Deprecated==1.2.14 | ||
distro==1.9.0 | ||
dnspython==2.4.2 | ||
fastapi==0.109.0 | ||
fastavro==1.9.3 | ||
frozenlist==1.4.1 | ||
fsspec==2023.12.2 | ||
greenlet==3.0.3 | ||
grpcio==1.60.0 | ||
grpcio-tools==1.60.0 | ||
h11==0.14.0 | ||
h2==4.1.0 | ||
hpack==4.0.0 | ||
httpcore==1.0.2 | ||
httptools==0.6.1 | ||
httpx==0.26.0 | ||
hyperframe==6.0.1 | ||
idna==3.6 | ||
importlib-metadata==6.11.0 | ||
joblib==1.3.2 | ||
llama-index==0.9.30 | ||
loguru==0.7.2 | ||
marshmallow==3.20.2 | ||
multidict==6.0.4 | ||
mypy-extensions==1.0.0 | ||
nest-asyncio==1.5.8 | ||
networkx==3.2.1 | ||
nltk==3.8.1 | ||
numpy==1.26.3 | ||
openai==1.7.2 | ||
packaging==23.2 | ||
pandas==2.1.4 | ||
pathspec==0.12.1 | ||
pinecone-client==2.2.4 | ||
platformdirs==4.1.0 | ||
portalocker==2.8.2 | ||
protobuf==4.25.2 | ||
pycparser==2.21 | ||
pydantic==2.5.3 | ||
pydantic_core==2.14.6 | ||
pypdf==3.17.4 | ||
python-dateutil==2.8.2 | ||
python-decouple==3.8 | ||
python-dotenv==1.0.0 | ||
pytz==2023.3.post1 | ||
PyYAML==6.0.1 | ||
qdrant-client==1.7.0 | ||
regex==2023.12.25 | ||
requests==2.31.0 | ||
ruff==0.1.13 | ||
setuptools==69.0.3 | ||
six==1.16.0 | ||
sniffio==1.3.0 | ||
soupsieve==2.5 | ||
SQLAlchemy==2.0.25 | ||
starlette==0.35.1 | ||
tenacity==8.2.3 | ||
tiktoken==0.5.2 | ||
toml==0.10.2 | ||
tqdm==4.66.1 | ||
typing-inspect==0.9.0 | ||
typing_extensions==4.9.0 | ||
tzdata==2023.4 | ||
urllib3==1.26.18 | ||
uvicorn==0.25.0 | ||
uvloop==0.19.0 | ||
validators==0.22.0 | ||
vulture==2.10 | ||
watchfiles==0.21.0 | ||
weaviate-client==3.26.0 | ||
websockets==12.0 | ||
wrapt==1.16.0 | ||
yarl==1.9.4 | ||
zipp==3.17.0 |
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from fastapi import APIRouter | ||
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from api import ingest, query | ||
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router = APIRouter() | ||
api_prefix = "/api/v1" | ||
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router.include_router(ingest.router, tags=["Ingest"], prefix=api_prefix) | ||
router.include_router(query.router, tags=["Query"], prefix=api_prefix) |
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import requests | ||
import asyncio | ||
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from typing import Any, List, Union | ||
from tempfile import NamedTemporaryFile | ||
from llama_index import Document, SimpleDirectoryReader | ||
from llama_index.node_parser import SimpleNodeParser | ||
from litellm import aembedding | ||
from models.file import File | ||
from decouple import config | ||
from service.vector_database import get_vector_service | ||
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class EmbeddingService: | ||
def __init__(self, files: List[File], index_name: str, vector_credentials: dict): | ||
self.files = files | ||
self.index_name = index_name | ||
self.vector_credentials = vector_credentials | ||
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def _get_datasource_suffix(self, type: str) -> str: | ||
suffixes = {"TXT": ".txt", "PDF": ".pdf", "MARKDOWN": ".md"} | ||
try: | ||
return suffixes[type] | ||
except KeyError: | ||
raise ValueError("Unsupported datasource type") | ||
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async def generate_documents(self) -> List[Document]: | ||
documents = [] | ||
for file in self.files: | ||
suffix = self._get_datasource_suffix(file.type.value) | ||
with NamedTemporaryFile(suffix=suffix, delete=True) as temp_file: | ||
response = requests.get(url=file.url) | ||
temp_file.write(response.content) | ||
temp_file.flush() | ||
reader = SimpleDirectoryReader(input_files=[temp_file.name]) | ||
docs = reader.load_data() | ||
for doc in docs: | ||
doc.metadata["file_url"] = file.url | ||
documents.extend(docs) | ||
return documents | ||
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async def generate_chunks( | ||
self, documents: List[Document] | ||
) -> List[Union[Document, None]]: | ||
parser = SimpleNodeParser.from_defaults(chunk_size=350, chunk_overlap=20) | ||
nodes = parser.get_nodes_from_documents(documents, show_progress=False) | ||
return nodes | ||
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async def generate_embeddings( | ||
self, | ||
nodes: List[Union[Document, None]], | ||
) -> List[tuple[str, list, dict[str, Any]]]: | ||
async def generate_embedding(node): | ||
if node is not None: | ||
vectors = [] | ||
embedding_object = await aembedding( | ||
model="huggingface/intfloat/multilingual-e5-large", | ||
input=node.text, | ||
api_key=config("HUGGINGFACE_API_KEY"), | ||
) | ||
for vector in embedding_object.data: | ||
if vector["object"] == "embedding": | ||
vectors.append(vector["embedding"]) | ||
embedding = ( | ||
node.id_, | ||
vectors, | ||
{ | ||
**node.metadata, | ||
"content": node.text, | ||
}, | ||
) | ||
return embedding | ||
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tasks = [generate_embedding(node) for node in nodes] | ||
embeddings = await asyncio.gather(*tasks) | ||
vector_service = get_vector_service( | ||
index_name=self.index_name, credentials=self.vector_credentials | ||
) | ||
await vector_service.upsert(embeddings=[e for e in embeddings if e is not None]) | ||
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return [e for e in embeddings if e is not None] |
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