add popbuffer draft to eventually switchover to 3_9_0

custom_components/victron/popBuffer.py

@@ -0,0 +1,31 @@
+from const.py import UINT16, INT16, UINT32, INT32, STRING
+
+
+class PopBuffer:
+    """A buffer wrapper class that allows for positional awareness in buffer for decoding register data."""
+
+    def __init__(self, size):
+        self.buffer = [None] * size
+        self.size = size
+        self.position = 0
+
+    def getItemInBuffer(self, dataType):
+        """Get the item in the buffer."""
+        match dataType:
+            case UINT16:
+            # Handle UINT16
+            pass
+            case UINT32:
+            # Handle UINT32
+            pass
+            case INT16:
+            # Handle INT16
+            pass
+            case INT32:
+            # Handle INT32
+            pass
+            case _:
+            raise ValueError(f"Unsupported data type: {dataType}")
+        item = self.buffer[self.position]
+        self.position += 1
+        return item