From f0c51680679b9eb082c4455af28fef8de0165470 Mon Sep 17 00:00:00 2001
From: Philip Sargent <philip.sargent@gmail.com>
Date: Sat, 26 Jul 2025 22:56:08 +0200
Subject: [PATCH] trap bug that Tom B found

---
 parsers/survex.py | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/parsers/survex.py b/parsers/survex.py
index 69fd8cf..ffced3d 100644
--- a/parsers/survex.py
+++ b/parsers/survex.py
@@ -2652,10 +2652,20 @@ def parse_one_file(fpath): # --------------------------------------in progress--
         """
         cave = find_cave_from_path(svxpath) 
         if cave:
-            cave_svxpath = cave.survex_file[:-4] # remove .svx
-            fileroot = SurvexFile.objects.get(path=cave_svxpath)
-            print(f"  - Setting the root survexfile for this import: {svxpath} to be that for cave {cave}")
+            if cave.survex_file: # i.e. cave has been fully created and has a value for this
+                cave_svxpath = cave.survex_file[:-4] # remove .svx
+            else:
+                cave.survex_file = svxpath + ".svx"
+                save(cave)
+                cave_svxpath = svxpath
+            try:
+                fileroot = SurvexFile.objects.get(path=cave_svxpath)
+            except:
+                fileroot = SurvexFile.objects.create(path=cave_svxpath, cave=cave)
+                print(f"  !! - No SurvexFile object found for {svxpath=}, making a new one..")
+            print(f"  - Setting the root survexfile for this import: {svxpath} to be that for cave {cave} {cave.survex_file=}")
             return fileroot
+            
 
         # make a dummy SurvexFile object, which will be removed later
         dummyroot = SurvexFile(path=svxpath)