On 2020-10-13 06:19, Stestagg wrote:
For example, the pypi `console` library provides a method: `console.sc.reset()`
that behaves similarly to `CLS` on windows and also appears to be fairly
reliable cross-platform.
Yes, there is more to it than appears at first glance. There is resetting the
terminal, clearing the currently visible screen, and/or the scrollback buffer as
well.
The legacy Windows console has another limitation in that I don't believe it has
a single API call to clear the whole thing. One must iterate over the whole
buffer and write spaces to each cell, or some similar craziness. That's why
even folks writing C++ just punt and do a system("cls") instead.
With the mentioned lib console, the example above prints the ANSI codes to do a
terminal reset, and while that works widely these days, it should not be the
first choice. It would be better to use the cross-platform wrapper functions in
the console.utils module, either:
# A DOS-like reset, clears screen and scrollback, also aliased to cls()
reset_terminal()
# A Unix-like clear, configurable via param, and aliased to clear()
clear_screen()
-Mike
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