Merge pull request #18654

* Implement lazy_load() for ObsidianLoader

libs/community/langchain_community/document_loaders/obsidian.py

@@ -2,7 +2,7 @@ import functools
 import logging
 import re
 from pathlib import Path
-from typing import Any, Dict, List
+from typing import Any, Dict, Iterator
 
 import yaml
 from langchain_core.documents import Document
@@ -136,10 +136,8 @@ class ObsidianLoader(BaseLoader):
             return content
         return self.FRONT_MATTER_REGEX.sub("", content)
 
-    def load(self) -> List[Document]:
-        """Load documents."""
+    def lazy_load(self) -> Iterator[Document]:
         paths = list(Path(self.file_path).glob("**/*.md"))
-        docs = []
         for path in paths:
             with open(path, encoding=self.encoding) as f:
                 text = f.read()
@@ -163,6 +161,4 @@ class ObsidianLoader(BaseLoader):
                     tags | set(front_matter.get("tags", []) or [])
                 )
 
-            docs.append(Document(page_content=text, metadata=metadata))
-
-        return docs
+            yield Document(page_content=text, metadata=metadata)