1 files changed, 21 insertions, 0 deletions
diff --git a/scripts/update_contrasts.py b/scripts/update_contrasts.py
new file mode 100755
index 00000000..156bc5cb
--- /dev/null
+++ b/scripts/update_contrasts.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+"""
+    Updates tests/contrast/min_contrasts.json
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Whenever you have improved the minimum contrast of a style you should run
+    this script, so that the test_contrasts.py test prevents future degredations.
+"""
+
+import os
+import sys
+
+# always prefer Pygments from source if exists
+srcpath = os.path.join(os.path.dirname(__file__), "..")
+if os.path.isdir(os.path.join(srcpath, "pygments")):
+    sys.path.insert(0, srcpath)
+
+import tests.contrast.test_contrasts
+
+tests.contrast.test_contrasts.test_contrasts(fail_if_improved=False)
+tests.contrast.test_contrasts.update_json()