fix: Remove langchain-community dependency (#178)

* feat: Remove dependency on `langchain-community`

* delete langchain-community requirements

* sort imports

* Update create_vector_embeddings.py

pyproject.toml

@@ -11,7 +11,6 @@ authors = [
 dependencies = [
     "google-cloud-alloydb-connector[asyncpg]>=1.2.0, <2.0.0",
     "langchain-core>=0.1.1, <1.0.0",
-    "langchain-community>=0.0.18, <1.0.0",
     "numpy>=1.24.4, <2.0.0",
     "pgvector>=0.2.5, <1.0.0",
     "SQLAlchemy[asyncio]>=2.0.25, <3.0.0"

requirements.txt

@@ -1,6 +1,5 @@
 google-cloud-alloydb-connector[asyncpg]==1.2.0
 langchain-core==0.2.12
-langchain-community==0.2.7
 numpy===1.24.4; python_version <= "3.8"
 numpy==1.26.4; python_version > "3.8"
 pgvector==0.3.0

src/langchain_google_alloydb_pg/loader.py

@@ -28,7 +28,7 @@
 )
 
 import sqlalchemy
-from langchain_community.document_loaders.base import BaseLoader
+from langchain_core.document_loaders.base import BaseLoader
 from langchain_core.documents import Document
 
 from .engine import AlloyDBEngine

tests/test_alloydb_engine.py

@@ -20,7 +20,7 @@
 import pytest
 import pytest_asyncio
 from google.cloud.alloydb.connector import AsyncConnector, IPTypes
-from langchain_community.embeddings import FakeEmbeddings
+from langchain_core.embeddings import FakeEmbeddings
 from sqlalchemy import VARCHAR
 from sqlalchemy.ext.asyncio import create_async_engine
 

tests/test_alloydb_vectorstore.py

@@ -17,8 +17,8 @@
 
 import pytest
 import pytest_asyncio
-from langchain_community.embeddings import DeterministicFakeEmbedding
 from langchain_core.documents import Document
+from langchain_core.embeddings import DeterministicFakeEmbedding
 
 from langchain_google_alloydb_pg import AlloyDBEngine, AlloyDBVectorStore, Column
 

tests/test_alloydb_vectorstore_from_methods.py

@@ -17,8 +17,8 @@
 
 import pytest
 import pytest_asyncio
-from langchain_community.embeddings import DeterministicFakeEmbedding
 from langchain_core.documents import Document
+from langchain_core.embeddings import DeterministicFakeEmbedding
 
 from langchain_google_alloydb_pg import AlloyDBEngine, AlloyDBVectorStore, Column
 

tests/test_alloydb_vectorstore_index.py

@@ -19,8 +19,8 @@
 import pytest
 import pytest_asyncio
 import sqlalchemy
-from langchain_community.embeddings import DeterministicFakeEmbedding
 from langchain_core.documents import Document
+from langchain_core.embeddings import DeterministicFakeEmbedding
 
 from langchain_google_alloydb_pg import AlloyDBEngine, AlloyDBVectorStore
 from langchain_google_alloydb_pg.indexes import (

tests/test_alloydb_vectorstore_search.py

@@ -17,8 +17,8 @@
 
 import pytest
 import pytest_asyncio
-from langchain_community.embeddings import DeterministicFakeEmbedding
 from langchain_core.documents import Document
+from langchain_core.embeddings import DeterministicFakeEmbedding
 
 from langchain_google_alloydb_pg import AlloyDBEngine, AlloyDBVectorStore, Column
 from langchain_google_alloydb_pg.indexes import HNSWQueryOptions