Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From: eryk sun <eryksun@gmail.com>
Newsgroups: comp.lang.python
Subject: Re: Guido sees the light: PEP 8 updated
Date: Sun, 17 Apr 2016 00:01:30 -0500
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Message-ID: <mailman.92.1460869339.6324.python-list@python.org>
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On Sat, Apr 16, 2016 at 8:30 PM, Tim Chase
<python.list@tim.thechases.com> wrote:
> On 2016-04-16 19:39, eryk sun wrote:
>> On Sat, Apr 16, 2016 at 4:50 PM, Tim Chase wrote:
>> > I also do some editing/diffing within a cmd.exe window on Windows
>> > which is limited to 80 characters unless you do some hijinks in
>> > the settings to expand it.
>>
>> Try `mode con cols=120 lines=30`.
>
> Yeah, that will do it, as will going into the settings and changing
> it. But basically every other program on Windows, and every console
> on Linux/BSD/Mac will let me resize a terminal running while another
> program is running.  For a cmd.exe window, I have to quit, issue the
> `mode` command, restart my application, and return to where I was.

cmd.exe doesn't own a window. You probably meant the console
host/server, conhost.exe. cmd has handles for StandardInput,
StandardOutput, and StandardError -- which may be handles for console
I/O, but not necessarily.

I agree that the classic console window has a bad UI. It can only be
resized up to the size of the screen buffer, which is not terribly
useful. There's no way to change the screen buffer size when manually
sizing the window. You have to either use the properties dialog or the
API. In Python you can run mode.com via subprocess.call('mode.com con
cols=120'). Or you can use ctypes to call GetConsoleScreenBufferInfoEx
and SetConsoleScreenBufferInfoEx.

The Windows 10 console is a significant step in the right direction.
It automatically resizes the screen buffer with text wrapping, selects
a text stream instead of a rectangle, and uses regular keyboard
shortcuts such as Ctrl+C and Ctrl+V for copy and paste. It still has
room for improvement, however. It doesn't support fonts that mix
half-width and full-width glyphs. It can't display characters that use
multiple WCHAR values, such as astral characters (UTF-16 surrogate
pairs) and decomposed characters. It doesn't support ANSI/VT100
terminal emulation (but maybe this is in the works for the new Linux
subsystem).