initial commit

modules/clock.py

@@ -0,0 +1,10 @@
+import datetime
+
+from typing import Any
+
+class Clock:
+    def __init__(self):
+        pass
+
+    def transform(self, time: datetime.datetime) -> Any:
+        return time

modules/clocks/crt.py

@@ -0,0 +1,30 @@
+import datetime
+
+from modules.clock import Clock
+
+
+class CRTClock(Clock):
+    def __init__(
+        self,
+        R: tuple[
+            tuple[float, float, float],
+            tuple[float, float, float],
+            tuple[float, float, float],
+        ],
+    ):
+        self.R = R
+        super().__init__()
+
+    def transform(self, time: datetime.datetime) -> tuple[float, float, float]:
+        # normalize
+        h = time.hour / 24.0
+        m = time.minute / 60.0
+        s = time.second / 60.0
+
+        ret = (
+            h * self.R[0][0] + m * self.R[0][1] + s * self.R[0][2],
+            h * self.R[1][0] + m * self.R[1][1] + s * self.R[1][2],
+            h * self.R[2][0] + m * self.R[2][1] + s * self.R[2][2],
+        )
+
+        return ret