From bd86fcdd659d0e2be4fa8de0d7664a2c0cf61203 Mon Sep 17 00:00:00 2001
From: Gaurav Vaidya <gaurav@ggvaidya.com>
Date: Fri, 23 Aug 2024 21:32:11 -0400
Subject: [PATCH] Added check for empty compendium file.

---
 node_normalizer/loader.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/node_normalizer/loader.py b/node_normalizer/loader.py
index 3f518b2..43d48c8 100644
--- a/node_normalizer/loader.py
+++ b/node_normalizer/loader.py
@@ -526,6 +526,9 @@ async def load_compendium(self, compendium_filename: str, block_size: int) -> bo
 
                     logger.info(f"{line_counter} {compendium_filename} total lines processed")
 
+                if line_counter == 0:
+                    raise RuntimeError(f"Compendium file {compendium_filename} is empty.")
+
                 print(f"Done loading {compendium_filename}...")
         except Exception as e:
             logger.error(f"Exception thrown in load_compendium({compendium_filename}), line {line_counter}: {e}")