removed 1st edition code

17-it-generator/tree/step3/test_tree.py

@@ -1,34 +0,0 @@
-from tree import tree
-
-
-def test_1_level():
-    class One: pass
-    expected = [('One', 0)]
-    result = list(tree(One))
-    assert expected == result 
-
-
-def test_2_levels_2_leaves():
-    class Branch: pass
-    class Leaf1(Branch): pass
-    class Leaf2(Branch): pass
-    expected = [
-        ('Branch', 0),
-            ('Leaf1', 1),
-            ('Leaf2', 1),
-    ]
-    result = list(tree(Branch))
-    assert expected == result 
-
-
-def test_3_levels_1_leaf():
-    class X: pass
-    class Y(X): pass
-    class Z(Y): pass
-    expected = [
-        ('X', 0),
-            ('Y', 1),
-                ('Z', 2),
-    ]
-    result = list(tree(X))
-    assert expected == result 

17-it-generator/tree/step3/tree.py

@@ -1,16 +0,0 @@
-def tree(cls):
-    yield cls.__name__, 0
-    yield from sub_tree(cls)
-
-
-def sub_tree(cls):
-    for sub_cls in cls.__subclasses__():
-        yield sub_cls.__name__, 1
-        for sub_sub_cls in sub_cls.__subclasses__():
-            yield sub_sub_cls.__name__, 2
-
-
-if __name__ == '__main__':
-    for cls_name, level in tree(BaseException):
-        indent = ' ' * 4 * level
-        print(f'{indent}{cls_name}')