Fix #294 (tested)

ingest.py

@@ -24,6 +24,28 @@ from langchain.docstore.document import Document
 from constants import CHROMA_SETTINGS
 
 
+class MyElmLoader(UnstructuredEmailLoader):
+    """Wrapper to fallback to text/plain when default does not work"""
+
+    def load(self) -> List[Document]:
+        """Wrapper adding fallback for elm without html"""
+        try:
+            try:
+                doc = UnstructuredEmailLoader.load(self)
+            except ValueError as e:
+                if 'text/html content not found in email' in str(e):
+                    # Try plain text
+                    self.unstructured_kwargs["content_source"]="text/plain"
+                    doc = UnstructuredEmailLoader.load(self)
+                else:
+                    raise
+        except Exception as e:
+            # Add file_path to exception message
+            raise type(e)(f"{self.file_path}: {e}") from e
+
+        return doc
+
+
 # Map file extensions to document loaders and their arguments
 LOADER_MAPPING = {
     ".csv": (CSVLoader, {}),
@@ -47,24 +69,6 @@ LOADER_MAPPING = {
 load_dotenv()
 
 
-class MyElmLoader(UnstructuredEmailLoader):
-    """Wrapper to fallback to text/plain when default does not work"""
-
-    def load(self) -> List[Document]:
-        """Wrapper adding fallback for elm without html"""
-        try:
-            doc = UnstructuredEmailLoader.load()
-        except ValueError as e:
-            if 'text/html content not found in email' in str(e):
-                # Try plain text
-                self.unstructured_kwargs["content_source"]="text/plain"
-                doc = UnstructuredEmailLoader.load()
-            else:
-                raise
-
-        return doc
-
-
 def load_single_document(file_path: str) -> Document:
     ext = "." + file_path.rsplit(".", 1)[-1]
     if ext in LOADER_MAPPING: