code migration to community (#88)

libs/community/langchain_google_community/__init__.py

@@ -1,17 +1,28 @@
 from langchain_google_community.bigquery_vector_search import BigQueryVectorSearch
+from langchain_google_community.docai import DocAIParser, DocAIParsingResults
 from langchain_google_community.documentai_warehouse import DocumentAIWarehouseRetriever
+from langchain_google_community.gcs_directory import GCSDirectoryLoader
+from langchain_google_community.gcs_file import GCSFileLoader
 from langchain_google_community.gmail.loader import GMailLoader
 from langchain_google_community.gmail.toolkit import GmailToolkit
+from langchain_google_community.google_speech_to_text import GoogleSpeechToTextLoader
+from langchain_google_community.googledrive import GoogleDriveLoader
 from langchain_google_community.vertex_ai_search import (
     VertexAIMultiTurnSearchRetriever,
     VertexAISearchRetriever,
 )
 
 __all__ = [
     "BigQueryVectorSearch",
+    "DocAIParser",
+    "DocAIParsingResults",
     "DocumentAIWarehouseRetriever",
+    "GCSDirectoryLoader",
+    "GCSFileLoader",
     "GMailLoader",
     "GmailToolkit",
+    "GoogleDriveLoader",
+    "GoogleSpeechToTextLoader",
     "VertexAIMultiTurnSearchRetriever",
     "VertexAISearchRetriever",
 ]

libs/community/langchain_google_community/_utils.py

@@ -0,0 +1,41 @@
+"""Utilities to init Vertex AI."""
+
+from importlib import metadata
+from typing import Optional, Tuple
+
+from google.api_core.gapic_v1.client_info import ClientInfo
+
+
+def get_user_agent(module: Optional[str] = None) -> Tuple[str, str]:
+    r"""Returns a custom user agent header.
+
+    Args:
+        module (Optional[str]):
+            Optional. The module for a custom user agent header.
+    Returns:
+        Tuple[str, str]
+    """
+    try:
+        langchain_version = metadata.version("langchain")
+    except metadata.PackageNotFoundError:
+        langchain_version = "0.0.0"
+    client_library_version = (
+        f"{langchain_version}-{module}" if module else langchain_version
+    )
+    return client_library_version, f"langchain/{client_library_version}"
+
+
+def get_client_info(module: Optional[str] = None) -> "ClientInfo":
+    r"""Returns a client info object with a custom user agent header.
+
+    Args:
+        module (Optional[str]):
+            Optional. The module for a custom user agent header.
+    Returns:
+        google.api_core.gapic_v1.client_info.ClientInfo
+    """
+    client_library_version, user_agent = get_user_agent(module)
+    return ClientInfo(
+        client_library_version=client_library_version,
+        user_agent=user_agent,
+    )

libs/community/langchain_google_community/bigquery_vector_search.py

@@ -13,7 +13,6 @@
 
 import numpy as np
 from google.api_core.exceptions import ClientError
-from langchain_community.utils.google import get_client_info
 from langchain_community.vectorstores.utils import (
     DistanceStrategy,
     maximal_marginal_relevance,
@@ -22,6 +21,8 @@
 from langchain_core.embeddings import Embeddings
 from langchain_core.vectorstores import VectorStore
 
+from langchain_google_community._utils import get_client_info
+
 DEFAULT_DISTANCE_STRATEGY = DistanceStrategy.EUCLIDEAN_DISTANCE
 DEFAULT_DOC_ID_COLUMN_NAME = "doc_id"  # document id
 DEFAULT_TEXT_EMBEDDING_COLUMN_NAME = "text_embedding"  # embeddings vectors