From 1d4127925dfe9c43281b99a43a9ef4dcf7351dc8 Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Sun, 10 Feb 2019 08:07:06 +0200
Subject: export: Print error message if template can't be parsed.

---
 pywal/export.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'pywal')

diff --git a/pywal/export.py b/pywal/export.py
index 83dd15c..fb284bd 100644
--- a/pywal/export.py
+++ b/pywal/export.py
@@ -12,7 +12,13 @@ def template(colors, input_file, output_file=None):
     """Read template file, substitute markers and
        save the file elsewhere."""
     template_data = util.read_file_raw(input_file)
-    template_data = "".join(template_data).format(**colors)
+
+    try:
+        template_data = "".join(template_data).format(**colors)
+    except ValueError:
+        logging.error("Syntax error in template file '%s'. "
+                      "Are non-marker braces escaped? '{{}}'?" % input_file)
+        return
 
     util.save_file(template_data, output_file)
 
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