Fix keyframe attribute of interpolated shapes (#1937)

* Fix interpolated shapes

* update changelog

CHANGELOG.md

@@ -33,6 +33,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Points are dublicated during polygon interpolation sometimes (<https://github.com/opencv/cvat/pull/1892>)
 - When redraw a shape with activated autobordering, previous points are visible (<https://github.com/opencv/cvat/pull/1892>)
 - No mapping between side object element and context menu in some attributes (<https://github.com/opencv/cvat/pull/1923>)
+- Interpolated shapes exported as `keyframe = True` (https://github.com/opencv/cvat/pull/1937)
 
 ### Security
 -

cvat/apps/dataset_manager/annotation.py

@@ -445,7 +445,7 @@ class TrackManager(ObjectManager):
     def get_interpolated_shapes(track, start_frame, end_frame):
         def copy_shape(source, frame, points=None):
             copied = deepcopy(source)
-            copied["keyframe"] = True
+            copied["keyframe"] = False
             copied["frame"] = frame
             if points is not None:
                 copied["points"] = points

cvat/apps/dataset_manager/tests/test_annotation.py

@@ -38,6 +38,8 @@ class TrackManagerTest(TestCase):
         interpolated = TrackManager.get_interpolated_shapes(track, 0, 2)
 
         self.assertEqual(len(interpolated), 3)
+        self.assertTrue(interpolated[0]["keyframe"])
+        self.assertFalse(interpolated[1]["keyframe"])
 
     def test_polygon_interpolation(self):
         track = {
@@ -69,6 +71,8 @@ class TrackManagerTest(TestCase):
         interpolated = TrackManager.get_interpolated_shapes(track, 0, 2)
 
         self.assertEqual(len(interpolated), 3)
+        self.assertTrue(interpolated[0]["keyframe"])
+        self.assertFalse(interpolated[1]["keyframe"])
 
     def test_bbox_interpolation(self):
         track = {
@@ -100,6 +104,8 @@ class TrackManagerTest(TestCase):
         interpolated = TrackManager.get_interpolated_shapes(track, 0, 2)
 
         self.assertEqual(len(interpolated), 3)
+        self.assertTrue(interpolated[0]["keyframe"])
+        self.assertFalse(interpolated[1]["keyframe"])
 
     def test_line_interpolation(self):
         track = {
@@ -130,4 +136,6 @@ class TrackManagerTest(TestCase):
 
         interpolated = TrackManager.get_interpolated_shapes(track, 0, 2)
 
-        self.assertEqual(len(interpolated), 3)
+        self.assertEqual(len(interpolated), 3)
+        self.assertTrue(interpolated[0]["keyframe"])
+        self.assertFalse(interpolated[1]["keyframe"])