From 226e8c549ab02dda4e667e2db60a8af11508e5f2 Mon Sep 17 00:00:00 2001
From: Paul Culley <paulr2787@gmail.com>
Date: Fri, 19 Feb 2021 11:23:06 -0600
Subject: [PATCH] Fix write_lock_file exception when USERNAME is missing
 (#1171)

Fixes #12150
---
 gramps/gen/db/utils.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gramps/gen/db/utils.py b/gramps/gen/db/utils.py
index 2222a3d1f..ad9c87dc1 100644
--- a/gramps/gen/db/utils.py
+++ b/gramps/gen/db/utils.py
@@ -42,6 +42,8 @@ from ..const import PLUGINS_DIR, USER_PLUGINS
 from ..constfunc import win, get_env_var
 from ..config import config
 from .dbconst import DBLOGNAME, DBLOCKFN, DBBACKEND
+from ..const import GRAMPS_LOCALE as glocale
+_ = glocale.translation.gettext
 
 #-------------------------------------------------------------------------
 #
@@ -211,8 +213,8 @@ def write_lock_file(name):
         if win():
             user = get_env_var('USERNAME')
             host = get_env_var('USERDOMAIN')
-            if host is None:
-                host = ""
+            if not user:
+                user = _("Unknown")
         else:
             host = os.uname()[1]
             # An ugly workaround for os.getlogin() issue with Konsole