Defining custom exceptions.

2 files changed, 8 insertions, 0 deletions

diff --git a/src/argaze/AreaOfInterest/AOIFeatures.py b/src/argaze/AreaOfInterest/AOIFeatures.py
index 087b3f3..8bf546f 100644
--- a/src/argaze/AreaOfInterest/AOIFeatures.py
+++ b/src/argaze/AreaOfInterest/AOIFeatures.py
@@ -208,3 +208,7 @@ class TimeStampedAOIScenes(DataStructures.TimeStampedBuffer):
             raise ValueError(f'value must inherit from AOIScene')
 
         super().__setitem__(key, value)
+
+class AOISceneMissing(Exception):
+    """Exception to raise when aoi scene can't be processed."""
+    pass
diff --git a/src/argaze/GazeFeatures.py b/src/argaze/GazeFeatures.py
index 0cf586d..acdbec8 100644
--- a/src/argaze/GazeFeatures.py
+++ b/src/argaze/GazeFeatures.py
@@ -27,6 +27,10 @@ class TimeStampedGazeAccuracies(DataStructures.TimeStampedBuffer):
     def __setitem__(self, key, value: GazeAccuracy):
         super().__setitem__(key, value)
 
+class InvalidGazeData(Exception):
+    """Exception to raise when gaze position or accuracy can't be processed."""
+    pass
+
 @dataclass
 class Movement():
     """Define abstract movement class."""