NaturalOrder

>>> df = pd.DataFrame(
...     {
...         "File": ["file10", "file2", "file1"],
...         "Quantity": [10, 2, 1],
...     }
... )
>>> table = session.read_pandas(df, table_name="String")
>>> cube = session.create_cube(table)
>>> l, m = cube.levels, cube.measures
>>> l["File"].order = tt.NaturalOrder()

>>> cube.query(m["Quantity.SUM"], levels=[l["File"]])
       Quantity.SUM
File
file1             1
file2             2
file10           10
>>> l["File"].order = tt.NaturalOrder(ascending=False)
>>> cube.query(m["Quantity.SUM"], levels=[l["File"]])
       Quantity.SUM
File
file10           10
file2             2
file1             1