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  • Committer: Martin Pool
  • Date: 2006-05-09 07:09:48 UTC
  • mto: This revision was merged to the branch mainline in revision 1707.
  • Revision ID: mbp@sourcefrog.net-20060509070948-734ebe91f1c96032
Detect terminal width using ioctl

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bzrlib/osutils.py
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    # TODO: Is there anything that gets a better update when the window
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    # is resized while the program is running? We could use the Python termcap
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    # library.
 
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    width = 0
 
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    try:
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        return int(os.environ['COLUMNS'])
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    except (IndexError, KeyError, ValueError):
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        return 80
 
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        import struct, fcntl, termios
 
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        s = struct.pack('HHHH', 0, 0, 0, 0)
 
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        x = fcntl.ioctl(1, termios.TIOCGWINSZ, s)
 
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        width = struct.unpack('HHHH', x)[1]
 
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    except IOError:
 
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        pass
 
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    if width <= 0:
 
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        try:
 
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            width = int(os.environ['COLUMNS'])
 
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        except:
 
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            pass
 
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    if width <= 0:
 
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        width = 80
 
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    return width
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def supports_executable():
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    return sys.platform != "win32"