From cf9a545c1a79faaa57ea60ccac9d8ea5d58d4636 Mon Sep 17 00:00:00 2001
From: Alex Pyrgiotis <alex.p@freedom.press>
Date: Mon, 10 Jun 2024 18:32:40 +0300
Subject: [PATCH] Use TESSDATA_PREFIX if explicitly passed

Our logic for detecting the appropriate Tesseract data directory should
also take into account the canonical envvar, if explicitly passed.
---
 dangerzone/conversion/common.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dangerzone/conversion/common.py b/dangerzone/conversion/common.py
index b801257..882b1ec 100644
--- a/dangerzone/conversion/common.py
+++ b/dangerzone/conversion/common.py
@@ -14,7 +14,9 @@ def running_on_qubes() -> bool:
 
 
 def get_tessdata_dir() -> str:
-    if running_on_qubes():
+    if os.environ.get("TESSDATA_PREFIX"):
+        return os.environ["TESSDATA_PREFIX"]
+    elif running_on_qubes():
         return "/usr/share/tesseract/tessdata/"
     else:
         return "/usr/share/tessdata/"