Add SortedDict.iloc for improved backwards compatibility with V1

Author: grantjenks

sortedcontainers/sorteddict.py

@@ -175,6 +175,11 @@ def __init__(self, *args, **kwargs):
             self.bisect_key = _list.bisect_key
             self.irange_key = _list.irange_key
 
+        # GrantJ 2018-05-21 Temporary fix for improved backwards compatibility
+        # with V1.
+
+        self.iloc = SortedKeysView(self)
+
         self._update(*args, **kwargs)
 
 

tests/test_coverage_sorteddict.py

@@ -307,6 +307,18 @@ def test_index():
     assert temp.index('a') == 0
     assert temp.index('f', 3, -3) == 5
 
+def test_iloc():
+    mapping = [(val, pos) for pos, val in enumerate(string.ascii_lowercase)]
+    temp = SortedDict(mapping)
+    assert len(temp.iloc) == 26
+    assert temp.iloc[0] == 'a'
+    assert temp.iloc[-1] == 'z'
+    assert temp.iloc[-3:] == ['x', 'y', 'z']
+    del temp.iloc[0]
+    assert temp.iloc[0] == 'b'
+    del temp.iloc[-3:]
+    assert temp.iloc[-1] == 'w'
+
 def test_index_key():
     temp = SortedDict(negate, ((val, val) for val in range(100)))
     temp._reset(7)