1 files changed, 34 insertions, 0 deletions
diff --git a/src/argaze/DataAnalysis/TimeStampedDataBuffer.py b/src/argaze/DataAnalysis/TimeStampedDataBuffer.py
new file mode 100644
index 0000000..23bcf06
--- /dev/null
+++ b/src/argaze/DataAnalysis/TimeStampedDataBuffer.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+
+import collections
+
+class TimeStampedDataBuffer(collections.OrderedDict):
+    """Ordered dictionary to handle timestamped data.
+    ```
+    {
+        timestamp1: data1,
+        timestamp2: data2,
+        ...
+    }
+    ```
+    """
+
+    def __new__(cls):
+        return super(TimeStampedDataBuffer, cls).__new__(cls)
+
+    def __init__(self):
+        pass
+
+    def __del__(self):
+        pass
+
+    def __setitem__(self, key: float, value):
+        """Force key to be a float"""
+        if type(key) != float:
+            raise KeyError('key must be a float')
+
+        super().__setitem__(key, value)
+
+    def pop_first(self):
+        """Easing FIFO access mode"""
+        return self.popitem(last=False)
+\ No newline at end of file