Added Image.remove_image to match add_image method

docs/changes.rst

@@ -15,6 +15,7 @@ Version 0.6.7
 Unreleased.
 
  - Added :meth:`Image.add_image() <wand.image.Image.add_image>` method.
+ - Added :meth:`Image.remove_image() <wand.image.Image.remove_image>` method.
  - Fixed sub-image extraction on read. [:issue:`532`]
  - [DOC] Completed :doc:`Distortion <./guide/distortion>` guide. [:issue:`534`]
 

tests/image_test.py

@@ -249,6 +249,12 @@ def test_ping_from_file(fx_asset):
             assert img.size == (402, 599)
 
 
+def test_remove_image():
+    with Image(filename='null:') as empty:
+        empty.remove_image()
+        assert empty.iterator_length() == 0
+
+
 def test_save_to_filename(fx_asset):
     """Saves an image to the filename."""
     savefile = os.path.join(tempfile.mkdtemp(), 'savetest.jpg')

wand/image.py

@@ -9758,6 +9758,14 @@ def read(self, file=None, filename=None, blob=None, background=None,
             if units is not None:
                 self.units = units
 
+    @trap_exception
+    def remove_image(self):
+        """Remove an image from the image-stack at the current index.
+
+        .. versionadded:: 0.6.7
+        """
+        return library.MagickRemoveImage(self.wand)
+
     def reset_sequence(self):
         """Remove any previously allocated :class:`~wand.sequence.SingleImage`
         instances in :attr:`sequence` attribute.