-

cool-RR · cool-RR · commit 746e058e58c5 · 2014-10-18T23:26:31.000+03:00
diff --git a/source_py3/python_toolbox/combi/perming/perm_space.py b/source_py3/python_toolbox/combi/perming/perm_space.py
@@ -73,6 +73,9 @@ class PermSpace(_VariationRemovingMixin, _VariationAddingMixin,
     Here is the simplest possible `PermSpace`:
     
         >>> perm_space = PermSpace(3)
+        <PermSpace: 0..2>
+        >>> perm_space[2]
+        <Perm: (1, 0, 2)>
         >>> tuple(perm_space)
         (<Perm: (0, 1, 2)>, <Perm: (0, 2, 1)>, <Perm: (1, 0, 2)>,
          <Perm: (1, 2, 0)>, <Perm: (2, 0, 1)>, <Perm: (2, 1, 0)>)
@@ -151,7 +154,7 @@ class PermSpace(_VariationRemovingMixin, _VariationAddingMixin,
     @classmethod
     def coerce(cls, argument):
         '''Make `argument` into something of class `cls` if it isn't.'''
-        if isinstance(argument, PermSpace):
+        if isinstance(argument, cls):
             return argument
         else:
             return cls(argument)
diff --git a/source_py3/python_toolbox/sequence_tools/cute_range.py b/source_py3/python_toolbox/sequence_tools/cute_range.py
@@ -166,7 +166,7 @@ def short_repr(self):
         if self.step != 1:
             return self._repr
         else:
-            return '%s..%s' % (self.start, self.stop)
+            return '%s..%s' % (self.start, self.stop - 1)
         
     
     def __getitem__(self, i, allow_out_of_range=False):
diff --git a/source_py3/test_python_toolbox/test_sequence_tools/test_cute_range.py b/source_py3/test_python_toolbox/test_sequence_tools/test_cute_range.py
@@ -9,13 +9,14 @@
 infinity = float('inf')
 
 
+
+
 def test():
     for x, y in zip((CuteRange(10.4, -float('inf'), -7.1)[:5]),
                     (10.4, 3.3, -3.8, -10.9, -18.0, -25.1)):
         assert abs(x - y) < 0.000001
 
 
-
 def test_finite():
     finite_range_arguments_tuples = (
         (10,), (3,), (20, 30), (20, 30, 2), (20, 30, -2)
@@ -77,7 +78,7 @@ def test_float():
         
     
 def test_short_repr():
-    assert CuteRange(7, 10).short_repr == '7..10'
+    assert CuteRange(7, 10).short_repr == '7..9'
     assert CuteRange(7, 10, 3).short_repr == 'CuteRange(7, 10, 3)'
     assert CuteRange(-8, infinity).short_repr == '-8..inf'
     assert CuteRange(8, -infinity, -1).short_repr == 'CuteRange(8, -inf, -1)'
