feat: Remove langchain-community dependency (#172)

* feat: Remove langchain-community dependency

* isort

* change dependency from langchain to langchain-community

---------

Co-authored-by: Averi Kitsch <akitsch@google.com>

Author: duwenxin99

pyproject.toml

@@ -12,7 +12,6 @@ authors = [
 dependencies = [
     "cloud-sql-python-connector[asyncpg] >= 1.10.0, <2.0.0",
     "langchain-core>=0.1.1, <1.0.0 ",
-    "langchain-community>=0.0.18, <0.3.0",
     "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 @@
 cloud-sql-python-connector[asyncpg]==1.10.0
 langchain-core==0.2.12
-langchain-community==0.2.6
 numpy===1.24.4; python_version<='3.8'
 numpy==1.26.4; python_version>'3.8'
 pgvector==0.3.0

samples/requirements.txt

@@ -1,4 +1,4 @@
 google-cloud-aiplatform[reasoningengine,langchain]
 langchain-google-vertexai
-langchain
+langchain-community
 google-cloud-resource-manager

src/langchain_google_cloud_sql_pg/loader.py

@@ -27,7 +27,7 @@
 )
 
 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 PostgresEngine

tests/test_cloudsql_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_cloud_sql_pg import Column, PostgresEngine, PostgresVectorStore
 

tests/test_cloudsql_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_cloud_sql_pg import Column, PostgresEngine, PostgresVectorStore
 

tests/test_cloudsql_vectorstore_index.py

@@ -19,8 +19,8 @@
 
 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_cloud_sql_pg import PostgresEngine, PostgresVectorStore
 from langchain_google_cloud_sql_pg.indexes import (

tests/test_cloudsql_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_cloud_sql_pg import Column, PostgresEngine, PostgresVectorStore
 from langchain_google_cloud_sql_pg.indexes import DistanceStrategy, HNSWQueryOptions

tests/test_postgresql_engine.py

@@ -19,7 +19,7 @@
 import pytest
 import pytest_asyncio
 from google.cloud.sql.connector import Connector, IPTypes
-from langchain_community.embeddings import DeterministicFakeEmbedding
+from langchain_core.embeddings import DeterministicFakeEmbedding
 from sqlalchemy import VARCHAR
 from sqlalchemy.ext.asyncio import create_async_engine