Add _get_all_shapes private method

pptx_blueprint/__init__.py

@@ -82,6 +82,10 @@ def _find_shapes_in_slide(slide):
 
         return matched_shapes
 
+    def _get_all_shapes(self) -> Iterable[BaseShape]:
+        all_shapes = [shape for slide in self._presentation.slides for shape in slide.shapes]
+        return all_shapes
+
     def save(self, filename: _Pathlike) -> None:
         """Saves the updated pptx to the specified filepath.
 

tests/test_template.py

@@ -38,3 +38,8 @@ def test_find_shapes_from_one_slide(template):
 def test_find_shapes_index_out_of_range(template):
     with pytest.raises(IndexError):
         shapes = template._find_shapes(0, 'logo')
+
+def test_get_all_shapes(template):
+    shapes = template._get_all_shapes()
+    for shape in shapes:
+        assert str(shape.text) and str(shape.name)