refactor

README.md

@@ -119,9 +119,7 @@ You can create Ranges as follows:
 Range(-5, 5, True, False) == Range('<-5;5)')
 ```
 
-First boolean argument signifies whether the interval is left-closed,
-and second whether it is right-closed.
-
+For more information [use the source](firanka/ranges.py#L33)
 Range's are immutable and hashable. They can be sliced:
 
 ```python

firanka/ranges.py

@@ -31,6 +31,16 @@ class Range(object):
                      self.right_inc)
 
     def __init__(self, *args):
+        """
+        Create like:
+
+        * Range('<a;b>')
+        * Range(a, b, is_left_closed_, is_right_closed)
+        * Range(a, b) - will have both sides closed, unless one is inf
+        * Range(slice(a, b)) - will have both sides closed, unless one is None
+
+        :param args:
+        """
         if len(args) == 1:
             rs, = args
             if isinstance(rs, type(self)):
@@ -48,6 +58,9 @@ class Range(object):
                 start, stop = rs[1:-1].split(';')
                 args = float(start), float(stop), rs[0] == '<', rs[-1] == '>'
 
+        elif len(args) == 2:
+            args = args[0], args[1], not math.isinf(args[0]), not math.isinf(args[1])
+
         q = lambda a, b, args: args[a] and math.isinf(args[b])
 
         if q(2, 0, args) or q(3, 1, args):

firanka/series/__init__.py

 # coding=UTF-8
 from __future__ import absolute_import
 from .base import FunctionSeries, DiscreteSeries, Series
-from .linear import LinearInterpolationSeries, SCALAR_LINEAR_INTERPOLATOR
+from .interpolations import LinearInterpolationSeries, SCALAR_LINEAR_INTERPOLATOR
 from .modulo import ModuloSeries
 
 __all__ = [

tests/test_range.py

@@ -38,7 +38,7 @@ class TestRange(unittest.TestCase):
     def test_str_and_repr_and_bool(self):
         p = Range(-1, 1, True, True)
         self.assertEqual(eval(repr(p)), p)
-        self.assertEqual(str(Range(-1, 1, True, True)), '<-1;1>')
+        self.assertEqual(str(Range(-1, 1)), '<-1;1>')
 
     def test_constructor(self):
         self.assertRaises(ValueError, lambda: Range('#2;3>'))