Fix embedding cover for PNG with alpha channel

desbma · May 5, 2018 · 51fae55 · 51fae55
1 parent c6a979b
commit 51fae55
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/amg/__init__.py b/amg/__init__.py
@@ -274,6 +274,8 @@ def get_cover_data(review):
     if cover_ext == "png":
       # convert to JPEG
       img = PIL.Image.open(filepath)
+      if img.mode != "RGB":
+        img = img.convert("RGB")
       f = io.BytesIO()
       img.save(f, format="JPEG", quality=90, optimize=True)
       f.seek(0)