From 76f855d87bb3f8b5744301667ab21e5da9474621 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Mon, 28 Oct 2024 14:59:54 +0100
Subject: [PATCH] [output] use ANSI colors only when stream is a TTY

---
 gallery_dl/output.py | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/gallery_dl/output.py b/gallery_dl/output.py
index 38cacf1d..1649487b 100644
--- a/gallery_dl/output.py
+++ b/gallery_dl/output.py
@@ -33,15 +33,18 @@ except Exception:
     TTY_STDIN = False
 
 
+COLORS_DEFAULT = {}
 COLORS = not os.environ.get("NO_COLOR")
-COLORS_DEFAULT = {
-    "success": "1;32",
-    "skip"   : "2",
-    "debug"  : "0;37",
-    "info"   : "1;37",
-    "warning": "1;33",
-    "error"  : "1;31",
-} if COLORS else {}
+if COLORS:
+    if TTY_STDOUT:
+        COLORS_DEFAULT["success"] = "1;32"
+        COLORS_DEFAULT["skip"] = "2"
+    if TTY_STDERR:
+        COLORS_DEFAULT["debug"] = "0;37"
+        COLORS_DEFAULT["info"] = "1;37"
+        COLORS_DEFAULT["warning"] = "1;33"
+        COLORS_DEFAULT["error"] = "1;31"
+
 
 if util.WINDOWS:
     ANSI = COLORS and os.environ.get("TERM") == "ANSI"