Added keyframes and tracks

src/models.py

@@ -1,25 +1,29 @@
 from dataclasses import dataclass
 from enum import Enum
+from decimal import Decimal
+
 
 @dataclass
 class SpaceVector:
     """A 3-dimensional coordinate structure with clear orientation."""
-    
+
     lr: float
     """Left-to-Right."""
-    
+
     tb: float
     """Top-to-Bottom."""
-    
+
     fb: float
     """Front-to-Behind."""
 
+
 class Capabilities(Enum):
     SWITCH = "switch"
     BRIGHTNESS = "brightness"
     TEMPERATURE = "temperature"
     COLOR = "color"
 
+
 @dataclass
 class Fixture:
     """Definition of a fixture that generates light, its capabilities and positioning."""
@@ -45,6 +49,7 @@ class Fixture:
     exposure: float
     """In range [0,1], how exposed is the light source of the fixture. 0: no exposure. 1: full exposure."""
 
+
 @dataclass
 class Space:
     """A space containing fixtures."""
@@ -62,6 +67,37 @@ class Space:
     """A reference point in the space from which the audience perspective might be assumed."""
 
 
+@dataclass
+class Keyframe:
+    """State description for a specified point in time."""
+
+    time: Decimal
+    """Point of time of the keyframe. Stored as decimal for high precision."""
+
+    parameter: str
+    """Parameter targeted by frame value."""
+
+    value: None | bool | float | int | str = None
+    """Targeted state value reached by reaching the keyframe."""
+
+
+@dataclass
+class Track:
+    """Contains a sequence of keyframes for specified fixtures."""
+
+    id: str
+    """Unique identifier for track."""
+
+    name: str
+    """Human readable name."""
+
+    fixture_ids: list[str]
+    """Fixtures by ids targeted by track."""
+
+    keyframes: list[Keyframe]
+    """Sequence of keyframes describing actions"""
+
+
 @dataclass
 class Sequence:
     """A sequence of light events described over fixtures."""
@@ -72,8 +108,6 @@ class Sequence:
     name: str
     """Human readable name."""
 
-    
-
 
 @dataclass
 class Event: