refine win32 checks to also work on top of jython/win32

--HG--
branch : trunk

py/_io/terminalwriter.py

@@ -133,7 +133,8 @@ def ansi_print(text, esc, file=None, newline=True, flush=False):
 
 def should_do_markup(file):
     return hasattr(file, 'isatty') and file.isatty() \
-           and os.environ.get('TERM') != 'dumb'
+           and os.environ.get('TERM') != 'dumb' \
+           and not (os._name == 'nt' and sys.platform.startswith('java'))
 
 class TerminalWriter(object):
     _esctable = dict(black=30, red=31, green=32, yellow=33, 

py/_path/local.py

@@ -5,7 +5,7 @@ import sys, os, stat, re, atexit
 import py
 from py._path import common
 
-iswin32 = sys.platform == "win32"
+iswin32 = sys.platform == "win32" or (os._name == 'nt')
 
 class Stat(object):
     def __getattr__(self, name):