Issue #20197: Added support for the WebP image type in the imghdr module.
Patch by Fabrice Aneche and Claudiu Popa.
diff --git a/Lib/imghdr.py b/Lib/imghdr.py
index add2ea8..fe77e49 100644
--- a/Lib/imghdr.py
+++ b/Lib/imghdr.py
@@ -110,6 +110,12 @@
 
 tests.append(test_bmp)
 
+def test_webp(h, f):
+    if h.startswith(b'RIFF') and h[8:12] == b'WEBP':
+        return 'webp'
+
+tests.append(test_webp)
+
 #--------------------#
 # Small test program #
 #--------------------#
diff --git a/Lib/test/imghdrdata/python.webp b/Lib/test/imghdrdata/python.webp
new file mode 100644
index 0000000..e824ec7
--- /dev/null
+++ b/Lib/test/imghdrdata/python.webp
Binary files differ
diff --git a/Lib/test/test_imghdr.py b/Lib/test/test_imghdr.py
index 0ad4343..e2a1aca 100644
--- a/Lib/test/test_imghdr.py
+++ b/Lib/test/test_imghdr.py
@@ -16,7 +16,8 @@
     ('python.ras', 'rast'),
     ('python.sgi', 'rgb'),
     ('python.tiff', 'tiff'),
-    ('python.xbm', 'xbm')
+    ('python.xbm', 'xbm'),
+    ('python.webp', 'webp'),
 )
 
 class UnseekableIO(io.FileIO):