Add webp image format support

Author: guss77

README.md

@@ -73,6 +73,7 @@ To install Variety from source, you will need Git, Python 3.8+ and [distutils-ex
 - *Optional*: libayatana-appindicator (for AppIndicator support)
 - *Optional*: for tray icon support on GNOME, the [GNOME AppIndicator extension](https://github.com/ubuntu/gnome-shell-extension-appindicator)
 - *Optional*: libavif-gdk-pixbuf (for avif format support)
+- *Optional*: webp-pixbuf-loader (for webp format support)
 
 See `debian/control` for an equivalent list of runtime dependencies on Debian/Ubuntu.
 

debian/control

@@ -36,7 +36,8 @@ Depends: gir1.2-gdkpixbuf-2.0,
 Recommends: gir1.2-ayatanaappindicator3-0.1 | gir1.2-appindicator3-0.1,
             python3-httplib2,
             fortune-mod,
-            libavif-gdk-pixbuf
+            libavif-gdk-pixbuf,
+            webp-pixbuf-loader
 Suggests: feh | nitrogen,
           gnome-shell-extension-appindicator | gnome-shell-extension-top-icons-plus
 Description: Wallpaper changer, downloader and manager

variety/ImageFetcher.py

@@ -37,7 +37,7 @@ def url_ok(url, use_whitelist, hosts_whitelist):
                         if h and p.netloc.lower().find(h) >= 0:
                             return True
                 else:
-                    return p.path.lower().endswith((".jpg", ".jpeg", ".png", ".tiff", ".avif"))
+                    return p.path.lower().endswith((".jpg", ".jpeg", ".png", ".tiff", ".avif", ".webp"))
                     # skip gif - they are usually small images
             return False
         except Exception:

variety/Util.py

@@ -374,7 +374,7 @@ def is_image(filename, check_contents=False):
 
         if not check_contents:
             return filename.lower().endswith(
-                (".jpg", ".jpeg", ".gif", ".png", ".tiff", ".svg", ".bmp", ".avif")
+                (".jpg", ".jpeg", ".gif", ".png", ".tiff", ".svg", ".bmp", ".avif", ".webp")
             )
         else:
             format, image_width, image_height = GdkPixbuf.Pixbuf.get_file_info(filename)