Bug 886000 - remove pre-python 2.6 ManifestDestiny hack for relpath;r…

…=ahal

manifestdestiny/manifestparser/manifestparser.py

@@ -19,30 +19,7 @@
 from fnmatch import fnmatch
 from optparse import OptionParser
 
-# we need relpath, but it is introduced in python 2.6
-# http://docs.python.org/library/os.path.html
-try:
-    relpath = os.path.relpath
-except AttributeError:
-    def relpath(path, start):
-        """
-        Return a relative version of a path
-        from /usr/lib/python2.6/posixpath.py
-        """
-
-        if not path:
-            raise ValueError("no path specified")
-
-        start_list = os.path.abspath(start).split(os.path.sep)
-        path_list = os.path.abspath(path).split(os.path.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:]
-        if not rel_list:
-            return os.curdir
-        return os.path.join(*rel_list)
+relpath = os.path.relpath
 
 # expr.py
 # from: