Atexit fix

README.rst

@@ -163,6 +163,11 @@ Available formatting constants are::
 ``Style.RESET_ALL`` resets foreground, background, and brightness. Colorama will
 perform this reset automatically on program exit.
 
+These are fairly well supported, but not part of the standard::
+
+ Fore: LIGHTBLACK_EX, LIGHTRED_EX, LIGHTGREEN_EX, LIGHTYELLOW_EX, LIGHTBLUE_EX, LIGHTMAGENTA_EX, LIGHTCYAN_EX, LIGHTWHITE_EX
+ Back: LIGHTBLACK_EX, LIGHTRED_EX, LIGHTGREEN_EX, LIGHTYELLOW_EX, LIGHTBLUE_EX, LIGHTMAGENTA_EX, LIGHTCYAN_EX, LIGHTWHITE_EX
+
 
 Cursor Positioning
 ..................

colorama/ansitowin32.py

@@ -57,7 +57,9 @@ def closed(self):
  stream = self.__wrapped
  try:
  return stream.closed
- except AttributeError:
+ # AttributeError in the case that the stream doesn't support being closed
+ # ValueError for the case that the stream has already been detached when atexit runs
+ except (AttributeError, ValueError):
  return True
 
 

colorama/tests/ansitowin32_test.py

@@ -1,5 +1,5 @@
 # Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
-from io import StringIO
+from io import StringIO, TextIOWrapper
 from unittest import TestCase, main
 
 try:
@@ -40,6 +40,17 @@ def testProxyNoContextManager(self):
  with StreamWrapper(mockStream, mockConverter) as wrapper:
  wrapper.write('hello')
 
+ def test_closed_shouldnt_raise_on_closed_stream(self):
+ stream = StringIO()
+ stream.close()
+ wrapper = StreamWrapper(stream, None)
+ self.assertEqual(wrapper.closed, True)
+
+ def test_closed_shouldnt_raise_on_detached_stream(self):
+ stream = TextIOWrapper(StringIO())
+ stream.detach()
+ wrapper = StreamWrapper(stream, None)
+ self.assertEqual(wrapper.closed, True)
 
 class AnsiToWin32Test(TestCase):