First pass

Author: benjeffery

python/tests/test_tables.py

@@ -386,6 +386,20 @@ def test_add_row_round_trip(self):
                 t2.add_row(**attr.asdict(row))
             assert t1 == t2
 
+    def test_append_row(self):
+        for num_rows in [0, 10, 100]:
+            table = self.table_class()
+            for j, row in enumerate(self.make_transposed_input_data(num_rows)):
+                k = table.append(table.row_class(**row))
+                assert k == j
+            for colname, input_array in self.make_input_data(num_rows).items():
+                output_array = getattr(table, colname)
+                assert input_array.shape == output_array.shape
+                assert np.all(input_array == output_array)
+            table.clear()
+            assert table.num_rows == 0
+            assert len(table) == 0
+
     def test_set_columns_data(self):
         for num_rows in [0, 10, 100, 1000]:
             input_data = {col.name: col.get_input(num_rows) for col in self.columns}

python/tskit/tables.py

@@ -286,7 +286,7 @@ def __getitem__(self, index):
         return self.row_class(*row)
 
     def append(self, row):
-        return self.ll_table.add_row(**row)
+        return self.add_row(**attr.asdict(row))
 
     def clear(self):
         """