chore: update branch with changes from master (#32277)

Co-authored-by: Maxime Grenu <69890511+cluster2600@users.noreply.github.com>
Co-authored-by: Claude <claude@anthropic.com>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: jmaillefaud <jonathan.maillefaud@evooq.ch>
Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
Co-authored-by: tanwirahmad <tanwirahmad@users.noreply.github.com>
Co-authored-by: Christophe Bornet <cbornet@hotmail.com>
Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>
Co-authored-by: niceg <79145285+growmuye@users.noreply.github.com>
Co-authored-by: Chaitanya varma <varmac301@gmail.com>
Co-authored-by: dishaprakash <57954147+dishaprakash@users.noreply.github.com>
Co-authored-by: Chester Curme <chester.curme@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Kanav Bansal <13186335+bansalkanav@users.noreply.github.com>
Co-authored-by: Aleksandr Filippov <71711753+alex-feel@users.noreply.github.com>
Co-authored-by: Alex Feel <afilippov@spotware.com>

docs/scripts/kv_store_feat_table.py

@@ -1,9 +1,6 @@
 import sys
 from pathlib import Path
 
-from langchain_community import document_loaders
-from langchain_core.document_loaders.base import BaseLoader
-
 KV_STORE_TEMPLATE = """\
 ---
 sidebar_class_name: hidden

docs/scripts/notebook_convert.py

@@ -175,8 +175,23 @@ def _modify_frontmatter(
 def _convert_notebook(
     notebook_path: Path, output_path: Path, intermediate_docs_dir: Path
 ) -> Path:
-    with open(notebook_path) as f:
-        nb = nbformat.read(f, as_version=4)
+    import json
+    import uuid
+
+    with open(notebook_path, "r", encoding="utf-8") as f:
+        nb_json = json.load(f)
+
+    # Fix missing and duplicate cell IDs before nbformat validation
+    seen_ids = set()
+    for cell in nb_json.get("cells", []):
+        if "id" not in cell or not cell.get("id") or cell.get("id") in seen_ids:
+            cell["id"] = str(uuid.uuid4())[:8]
+        seen_ids.add(cell["id"])
+
+    nb = nbformat.reads(json.dumps(nb_json), as_version=4)
+
+    # Upgrade notebook format
+    nb = nbformat.v4.upgrade(nb)
 
     body, resources = exporter.from_notebook_node(nb)
 

docs/scripts/vectorstore_feat_table.py

@@ -10,6 +10,7 @@ from langchain_couchbase import CouchbaseSearchVectorStore
 from langchain_milvus import Milvus
 from langchain_mongodb import MongoDBAtlasVectorSearch
 from langchain_pinecone import PineconeVectorStore
+from langchain_postgres import PGVectorStore
 from langchain_qdrant import QdrantVectorStore
 
 vectorstore_list = [
@@ -22,6 +23,7 @@ vectorstore_list = [
 ]
 
 from_partners = [
+    ("PGVectorStore", PGVectorStore),
     ("Chroma", Chroma),
     ("AstraDBVectorStore", AstraDBVectorStore),
     ("QdrantVectorStore", QdrantVectorStore),
@@ -52,6 +54,17 @@ The table below lists the features for some of our most popular vector stores.
 
 def get_vectorstore_table():
     vectorstore_feat_table = {
+        "PGVectorStore": {
+            "Delete by ID": True,
+            "Filtering": True,
+            "similarity_search_by_vector": True,
+            "similarity_search_with_score": True,
+            "asearch": True,
+            "Passes Standard Tests": True,
+            "Multi Tenancy": False,
+            "Local/Cloud": "Local",
+            "IDs in add Documents": True,
+        },
         "FAISS": {
             "Delete by ID": True,
             "Filtering": True,