From ccac8540771120bdeb570ec5b7bbfc4e3e9a38dd Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Wed, 7 Dec 2022 21:33:09 +1100
Subject: [PATCH] If available, use wl-paste for grabclipboard() on Linux

---
 Tests/test_imagegrab.py | 10 +++++++---
 src/PIL/ImageGrab.py    | 12 +++++++++++-
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/Tests/test_imagegrab.py b/Tests/test_imagegrab.py
index 5e0eca28b..1ad4de63f 100644
--- a/Tests/test_imagegrab.py
+++ b/Tests/test_imagegrab.py
@@ -64,9 +64,13 @@ $bmp = New-Object Drawing.Bitmap 200, 200
             )
             p.communicate()
         else:
-            with pytest.raises(NotImplementedError) as e:
-                ImageGrab.grabclipboard()
-            assert str(e.value) == "ImageGrab.grabclipboard() is macOS and Windows only"
+            if not shutil.which("wl-paste"):
+                with pytest.raises(NotImplementedError) as e:
+                    ImageGrab.grabclipboard()
+                assert (
+                    str(e.value)
+                    == "wl-paste is required for ImageGrab.grabclipboard() on Linux"
+                )
             return
 
         ImageGrab.grabclipboard()
diff --git a/src/PIL/ImageGrab.py b/src/PIL/ImageGrab.py
index 38074cb1b..12ad9ad71 100644
--- a/src/PIL/ImageGrab.py
+++ b/src/PIL/ImageGrab.py
@@ -132,4 +132,14 @@ def grabclipboard():
                 return BmpImagePlugin.DibImageFile(data)
         return None
     else:
-        raise NotImplementedError("ImageGrab.grabclipboard() is macOS and Windows only")
+        if not shutil.which("wl-paste"):
+            raise NotImplementedError(
+                "wl-paste is required for ImageGrab.grabclipboard() on Linux"
+            )
+        fh, filepath = tempfile.mkstemp()
+        subprocess.call(["wl-paste"], stdout=fh)
+        os.close(fh)
+        im = Image.open(filepath)
+        im.load()
+        os.unlink(filepath)
+        return im