add iteration to Base

lisc/objects/base.py

@@ -47,6 +47,13 @@ def __getitem__(self, key):
         return self.get_term(self.get_index(key) if isinstance(key, str) else key)
 
 
+    def __iter__(self):
+        """Allow for iterating across the object by stepping through terms."""
+
+        for ind in range(self.n_terms):
+            yield self.get_term(ind)
+
+
     @property
     def has_terms(self):
         """Indicator for if the object has terms."""

lisc/tests/objects/test_base.py

@@ -20,6 +20,11 @@ def test_get_item(tbase_terms):
     assert isinstance(out, Term)
     assert out.label == 'label0'
 
+def test_iter(tbase_terms):
+
+    for term in tbase_terms:
+        assert isinstance(term, Term)
+
 def test_get_index(tbase_terms):
 
     ind = tbase_terms.get_index('label0')