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diff mercurial/win32.py @ 13285:2ef915184ff2 stable

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win32: win32console.GetStdHandle() can return None When the Mercurial Python libraries are used within a Windows application with no console, there is no stderr file handle.
author Steve Borho <steve@borho.org>
date Fri, 21 Jan 2011 14:42:15 -0600
parents 5f80f44d23c5
children 1c613c1ae43d
line wrap: on
line diff
--- a/mercurial/win32.py	Sun Jan 09 00:35:36 2011 +0900
+++ b/mercurial/win32.py	Fri Jan 21 14:42:15 2011 -0600
@@ -170,6 +170,8 @@
     try:
         # Query stderr to avoid problems with redirections
         screenbuf = win32console.GetStdHandle(win32console.STD_ERROR_HANDLE)
+        if screenbuf is None:
+            return 79
         try:
             window = screenbuf.GetConsoleScreenBufferInfo()['Window']
             width = window.Right - window.Left