From 16f2fd013d4559f1458efbf21c68034d85bb255e Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 2 Mar 2010 23:09:38 +0000
Subject: Merged revisions 78600-78601 via svnmerge from
 svn+ssh://pythondev@svn.python.org/python/trunk

........
  r78600 | benjamin.peterson | 2010-03-02 16:58:01 -0600 (Tue, 02 Mar 2010) | 1 line

  remove code to avoid BaseException.message bug
........
  r78601 | benjamin.peterson | 2010-03-02 17:02:02 -0600 (Tue, 02 Mar 2010) | 1 line

  remove cross-version compatibility code
........
---
 Lib/argparse.py           | 44 +++++++-------------------------------------
 Lib/test/test_argparse.py | 30 ++----------------------------
 2 files changed, 9 insertions(+), 65 deletions(-)

diff --git a/Lib/argparse.py b/Lib/argparse.py
index cde1fe9..8566890 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -95,40 +95,10 @@ import textwrap as _textwrap
 
 from gettext import gettext as _
 
-try:
-    _set = set
-except NameError:
-    from sets import Set as _set
-
-try:
-    _basestring = basestring
-except NameError:
-    _basestring = str
-
-try:
-    _sorted = sorted
-except NameError:
-
-    def _sorted(iterable, reverse=False):
-        result = list(iterable)
-        result.sort()
-        if reverse:
-            result.reverse()
-        return result
-
 
 def _callable(obj):
     return hasattr(obj, '__call__') or hasattr(obj, '__bases__')
 
-# silence Python 2.6 buggy warnings about Exception.message
-if _sys.version_info[:2] == (2, 6):
-    import warnings
-    warnings.filterwarnings(
-        action='ignore',
-        message='BaseException.message has been deprecated as of Python 2.6',
-        category=DeprecationWarning,
-        module='argparse')
-
 
 SUPPRESS = '==SUPPRESS=='
 
@@ -161,7 +131,7 @@ class _AttributeHolder(object):
         return '%s(%s)' % (type_name, ', '.join(arg_strings))
 
     def _get_kwargs(self):
-        return _sorted(self.__dict__.items())
+        return sorted(self.__dict__.items())
 
     def _get_args(self):
         return []
@@ -414,7 +384,7 @@ class HelpFormatter(object):
 
     def _format_actions_usage(self, actions, groups):
         # find group indices and identify actions in groups
-        group_actions = _set()
+        group_actions = set()
         inserts = {}
         for group in groups:
             try:
@@ -484,7 +454,7 @@ class HelpFormatter(object):
                 parts.append(part)
 
         # insert things at the necessary indices
-        for i in _sorted(inserts, reverse=True):
+        for i in sorted(inserts, reverse=True):
             parts[i:i] = [inserts[i]]
 
         # join all the action items with spaces
@@ -1714,7 +1684,7 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
                 if not hasattr(namespace, action.dest):
                     if action.default is not SUPPRESS:
                         default = action.default
-                        if isinstance(action.default, _basestring):
+                        if isinstance(action.default, str):
                             default = self._get_value(action, default)
                         setattr(namespace, action.dest, default)
 
@@ -1774,8 +1744,8 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
         arg_strings_pattern = ''.join(arg_string_pattern_parts)
 
         # converts arg strings to the appropriate and then takes the action
-        seen_actions = _set()
-        seen_non_default_actions = _set()
+        seen_actions = set()
+        seen_non_default_actions = set()
 
         def take_action(action, argument_strings, option_string=None):
             seen_actions.add(action)
@@ -2188,7 +2158,7 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
                 value = action.const
             else:
                 value = action.default
-            if isinstance(value, _basestring):
+            if isinstance(value, str):
                 value = self._get_value(action, value)
                 self._check_value(action, value)
 
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index 849facb..9e1efa8 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -22,29 +22,9 @@ import unittest
 import warnings
 import argparse
 
-from test import support
-
-try:
-    from StringIO import StringIO
-except ImportError:
-    from io import StringIO
-
-try:
-    set
-except NameError:
-    from sets import Set as set
-
-try:
-    sorted
-except NameError:
-
-    def sorted(iterable, reverse=False):
-        result = list(iterable)
-        result.sort()
-        if reverse:
-            result.reverse()
-        return result
+from io import StringIO
 
+from test import support
 
 class TestCase(unittest.TestCase):
 
@@ -4183,12 +4163,6 @@ class TestImportStar(TestCase):
 
 def test_main():
     with warnings.catch_warnings():
-        # silence Python 2.6 buggy warnings about Exception.message
-        warnings.filterwarnings(
-            action='ignore',
-            message='BaseException.message has been deprecated as of'
-            'Python 2.6',
-            category=DeprecationWarning)
         # silence warnings about version argument - these are expected
         warnings.filterwarnings(
             action='ignore',
-- 
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