1 files changed, 0 insertions, 101 deletions
diff --git a/natsort/compat/py23.py b/natsort/compat/py23.py
deleted file mode 100644
index 58f7487..0000000
--- a/natsort/compat/py23.py
+++ /dev/null
@@ -1,101 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-Compatibility layer for Python 2 and Python 3.
-
-Probably could have used six...
-This file will light up most linters...
-"""
-from __future__ import absolute_import, division, print_function, unicode_literals
-
-import functools
-import sys
-
-# These functions are used to make the doctests compatible between
-# python2 and python3, and also provide uniform functionality between
-# the two versions.  This code is pretty much lifted from the iPython
-# project's py3compat.py file.  Credit to the iPython devs.
-
-# Numeric form of version
-PY_VERSION = float(sys.version[:3])
-NEWPY = PY_VERSION >= 3.3
-
-# Assume all strings are Unicode in Python 2
-py23_str = str if PY_VERSION >= 3 else unicode
-
-# Use the range iterator always
-py23_range = range if PY_VERSION >= 3 else xrange
-
-# Uniform base string type
-py23_basestring = str if PY_VERSION >= 3 else basestring
-
-# Iniform int type
-py23_int = (int,) if PY_VERSION >= 3 else (int, long)
-
-# unichr function
-py23_unichr = chr if PY_VERSION >= 3 else unichr
-
-# Proper lower-casing of letters.
-py23_lower = py23_str.casefold if NEWPY else py23_str.lower
-
-
-def _py23_cmp(a, b):
-    return (a > b) - (a < b)
-
-
-py23_cmp = _py23_cmp if PY_VERSION >= 3 else cmp
-
-# zip as an iterator
-if PY_VERSION >= 3:
-    py23_zip = zip
-    py23_map = map
-    py23_filter = filter
-else:
-    import itertools
-
-    py23_zip = itertools.izip
-    py23_map = itertools.imap
-    py23_filter = itertools.ifilter
-
-
-# This function is intended to decorate other functions that will modify
-# either a string directly, or a function's docstring.
-def _modify_str_or_docstring(str_change_func):
-    @functools.wraps(str_change_func)
-    def wrapper(func_or_str):
-        if isinstance(func_or_str, py23_basestring):
-            func = None
-            doc = func_or_str
-        else:
-            func = func_or_str
-            doc = func.__doc__
-
-        if doc is not None:
-            doc = str_change_func(doc)
-
-        if func:
-            func.__doc__ = doc
-            return func
-        return doc
-
-    return wrapper
-
-
-# Properly modify a doctstring to either have the unicode literal or not.
-if PY_VERSION >= 3:
-    # Abstract u'abc' syntax:
-    @_modify_str_or_docstring
-    def u_format(s):
-        """"{u}'abc'" --> "'abc'" (Python 3)
-
-        Accepts a string or a function, so it can be used as a decorator."""
-        return s.format(u="")
-
-
-else:
-    # Abstract u'abc' syntax:
-    @_modify_str_or_docstring
-    def u_format(s):
-        """"{u}'abc'" --> "u'abc'" (Python 2)
-
-        Accepts a string or a function, so it can be used as a decorator."""
-        return s.format(u="u")