From e06591bbbdd565cc7e9134141cfdb826ee5db9d0 Mon Sep 17 00:00:00 2001
From: Gorgious56 <nathan.hild@gmail.com>
Date: Thu, 29 Jul 2021 09:03:53 +0200
Subject: [PATCH] Prevent linking non-existant or non-ifc file (#1604)

---
 src/blenderbim/blenderbim/bim/operator.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/blenderbim/blenderbim/bim/operator.py b/src/blenderbim/blenderbim/bim/operator.py
index 9c6b5b31f7..1576439c06 100644
--- a/src/blenderbim/blenderbim/bim/operator.py
+++ b/src/blenderbim/blenderbim/bim/operator.py
@@ -153,7 +153,8 @@ class SelectIfcFile(bpy.types.Operator):
     filter_glob: bpy.props.StringProperty(default="*.ifc;*.ifczip;*.ifcxml", options={"HIDDEN"})
 
     def execute(self, context):
-        bpy.context.scene.BIMProperties.ifc_file = self.filepath
+        if os.path.exists(self.filepath) and "ifc" in os.path.splitext(self.filepath)[1]:
+            bpy.context.scene.BIMProperties.ifc_file = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):