1 files changed, 75 insertions, 0 deletions
diff --git a/scalarint.py b/scalarint.py
new file mode 100644
index 0000000..e2028e3
--- /dev/null
+++ b/scalarint.py
@@ -0,0 +1,75 @@
+# coding: utf-8
+
+from __future__ import print_function, absolute_import, division, unicode_literals
+
+import sys
+
+if sys.version_info >= (3, 5, 2):
+    from typing import Text, Any, Dict, List  # NOQA
+
+__all__ = ["ScalarInt", "BinaryInt", "OctalInt", "HexInt", "HexCapsInt"]
+
+
+class ScalarInt(int):
+    __slots__ = ()
+
+    def __new__(cls, *args, **kw):
+        # type: (Any, Any) -> Any
+        return int.__new__(cls, *args, **kw)  # type: ignore
+
+    def __iadd__(self, a):  # type: ignore
+        # type: (Any) -> Any
+        return type(self)(self + a)
+
+    def __ifloordiv__(self, a):  # type: ignore
+        # type: (Any) -> Any
+        return type(self)(self // a)
+
+    def __imul__(self, a):  # type: ignore
+        # type: (Any) -> Any
+        return type(self)(self * a)
+
+    def __ipow__(self, a):  # type: ignore
+        # type: (Any) -> Any
+        return type(self)(self ** a)
+
+    def __isub__(self, a):  # type: ignore
+        # type: (Any) -> Any
+        return type(self)(self - a)
+
+
+class BinaryInt(ScalarInt):
+    __slots__ = ()
+
+    def __new__(cls, value):
+        # type: (Text) -> Any
+        return ScalarInt.__new__(cls, value)
+
+
+class OctalInt(ScalarInt):
+    __slots__ = ()
+
+    def __new__(cls, value):
+        # type: (Text) -> Any
+        return ScalarInt.__new__(cls, value)
+
+
+# mixed casing of A-F is not supported, when loading the first non digit
+# determines the case
+
+class HexInt(ScalarInt):
+    """uses lower case (a-f)"""
+    __slots__ = ()
+
+    def __new__(cls, value):
+        # type: (Text) -> Any
+        return ScalarInt.__new__(cls, value)
+
+
+class HexCapsInt(ScalarInt):
+    """uses upper case (A-F)"""
+    __slots__ = ()
+
+    def __new__(cls, value):
+        # type: (Text) -> Any
+        return ScalarInt.__new__(cls, value)