Added OS X support for ImageGrab grabclipboard

PIL/ImageGrab.py

@@ -51,11 +51,31 @@ def grab(bbox=None):
 
 def grabclipboard():
     if sys.platform == "darwin":
-        raise NotImplementedError("Method is not implemented on OS X")
-    debug = 0  # temporary interface
-    data = Image.core.grabclipboard(debug)
-    if isinstance(data, bytes):
-        from PIL import BmpImagePlugin
-        import io
-        return BmpImagePlugin.DibImageFile(io.BytesIO(data))
-    return data
+        f, file = tempfile.mkstemp('.jpg')
+        os.close(f)
+        commands = [
+            "set theFile to (open for access POSIX file \""+file+"\" with write permission)",
+            "try",
+                "write (the clipboard as JPEG picture) to theFile",
+            "end try",
+            "close access theFile"
+        ]
+        script = ["osascript"]
+        for command in commands:
+            script += ["-e", command]
+        subprocess.call(script)
+
+        im = None
+        if os.stat(file).st_size != 0:
+            im = Image.open(file)
+            im.load()
+        os.unlink(file)
+        return im
+    else:
+        debug = 0  # temporary interface
+        data = Image.core.grabclipboard(debug)
+        if isinstance(data, bytes):
+            from PIL import BmpImagePlugin
+            import io
+            return BmpImagePlugin.DibImageFile(io.BytesIO(data))
+        return data

docs/reference/ImageGrab.rst

@@ -7,7 +7,7 @@
 The :py:mod:`ImageGrab` module can be used to copy the contents of the screen
 or the clipboard to a PIL image memory.
 
-.. note:: The current version works on OS X and Windows only. OS X support was added in 3.0.0.
+.. note:: The current version works on OS X and Windows only.
 
 .. versionadded:: 1.1.3
 
@@ -17,7 +17,7 @@ or the clipboard to a PIL image memory.
     returned as an "RGB" image on Windows or "RGBA" on OS X.
     If the bounding box is omitted, the entire screen is copied.
 
-    .. versionadded:: 1.1.3
+    .. versionadded:: 1.1.3 (Windows), 3.0.0 (OS X)
 
     :param bbox: What region to copy. Default is the entire screen.
     :return: An image
@@ -26,10 +26,11 @@ or the clipboard to a PIL image memory.
 
     Take a snapshot of the clipboard image, if any.
 
-    .. versionadded:: 1.1.4
+    .. versionadded:: 1.1.4 (Windows), 3.3.0 (OS X)
 
     :return: On Windows, an image, a list of filenames,
              or None if the clipboard does not contain image data or filenames.
              Note that if a list is returned, the filenames may not represent image files.
 
-             On Mac, this is not currently supported.
+             On Mac, an image,
+             or None if the clipboard does not contain image data.