Add duration property in sequence

src/broadbean/sequence.py

@@ -635,6 +635,17 @@ def points(self):
             total += elem.points
         return total
 
+    @property
+    def duration(self) -> float:
+        """
+        Returns the duration in seconds of the sequence.
+        """
+        duration = 0.0
+        for pos, elem in self._data.items():
+            nrep = self._sequencing[pos]["nrep"]
+            duration += nrep * elem.duration
+        return duration
+
     def element(self, pos):
         """
         Returns the element at the given position. Changes made to the return

tests/test_sequence.py

@@ -329,6 +329,14 @@ def test_add_subsequence_raises(protosequence1, squarepulse_baseelem):
         doublemainseq.addSubSequence(1, mainseq)
 
 
+##################################################
+# Sequence properties
+
+def test_duration(protosequence1, protosequence2):
+    assert np.round(protosequence1.duration, 12) == 50e-6
+    assert np.round(protosequence2.duration, 12) == 75e-6
+
+
 ##################################################
 # AWG settings