Error: Check for imagemagick

1 files changed, 6 insertions, 0 deletions

diff --git a/wal.py b/wal.py
index becf3d5..36a3ae1 100644
--- a/wal.py
+++ b/wal.py
@@ -112,6 +112,12 @@ def get_image(img):
     """Validate image input."""
     image = Path(img)
 
+    # Check if the user has Imagemagick installed.
+    if not shutil.which("convert"):
+        print("error: imagemagick not found, exiting...")
+        print("error: wal requires imagemagick to function.")
+        exit(1)
+
     if image.is_file():
         return image