Remove unneeded relpath() polyfill

It looks like this dates back all the way to 2007,
and the initial import of the code in commit 00f16f9.

Since Python 2.6 is the minimum supported version, and that has
os.path.relpath this is no longer needed.

diff --git a/babel/util.py b/babel/util.py
index c366214189682ebf36648f7b36ce8ee0af9cf865..b5a3eabdaf53b56ddc31ccf59e6c887854baef3e 100644 (file)
--- a/babel/util.py
+++ b/babel/util.py
@@ -12,6 +12,7 @@
 import codecs
 from datetime import timedelta, tzinfo
 import os
+from os.path import relpath
 import re
 import textwrap
 from babel._compat import izip, imap
@@ -232,29 +233,6 @@ class odict(dict):
         return imap(self.get, self._keys)
 
 
-try:
-    relpath = os.path.relpath
-except AttributeError:
-    def relpath(path, start='.'):
-        """Compute the relative path to one path from another.
-
-        >>> relpath('foo/bar.txt', '').replace(os.sep, '/')
-        'foo/bar.txt'
-        >>> relpath('foo/bar.txt', 'foo').replace(os.sep, '/')
-        'bar.txt'
-        >>> relpath('foo/bar.txt', 'baz').replace(os.sep, '/')
-        '../foo/bar.txt'
-        """
-        start_list = os.path.abspath(start).split(os.sep)
-        path_list = os.path.abspath(path).split(os.sep)
-
-        # Work out how much of the filepath is shared by start and path.
-        i = len(os.path.commonprefix([start_list, path_list]))
-
-        rel_list = [os.path.pardir] * (len(start_list) - i) + path_list[i:]
-        return os.path.join(*rel_list)
-
-
 class FixedOffsetTimezone(tzinfo):
     """Fixed offset in minutes east from UTC."""