From 6af51c5b3500a940fa8c6e323857ffa64e1ca631 Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Thu, 27 Jun 2019 23:11:54 +1000
Subject: [PATCH] Limit the number of lines returned in row_count

---
 InvenTree/part/bom.py                         | 5 ++++-
 InvenTree/part/templates/part/bom_upload.html | 6 +++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/InvenTree/part/bom.py b/InvenTree/part/bom.py
index 594275b670..6841de2146 100644
--- a/InvenTree/part/bom.py
+++ b/InvenTree/part/bom.py
@@ -162,7 +162,10 @@ class BomUploadManager:
         if self.data is None:
             return 0
 
-        return len(self.data) - self.starting_row
+        # Limit the number of BOM lines to be sensible
+        count = min(len(self.data) - self.starting_row, 1000)
+
+        return count
 
     def get_row(self, index):
         """ Retrieve a dict object representing the data row at a particular offset """
diff --git a/InvenTree/part/templates/part/bom_upload.html b/InvenTree/part/templates/part/bom_upload.html
index b62cbc9c49..50ff5cdf87 100644
--- a/InvenTree/part/templates/part/bom_upload.html
+++ b/InvenTree/part/templates/part/bom_upload.html
@@ -8,6 +8,10 @@
 
 <p>The BOM file must contain the required named columns as provided in the <a href="/part/bom_template/">BOM Upload Template</a></a></p>
 
-<p>Supported file formats: <i>.csv, .tsv, .xls, .xlsx</i></p>
+<b>Notes:</b>
+<ul>
+    <li>Supported file formats: <i>.csv, .tsv, .xls, .xlsx</li>
+    <li>Maximum of 1000 lines per BOM</li>
+</ul>
 
 {% endblock %}
\ No newline at end of file