Hello Enrico,
On Tue, 25 Apr 2023 20:47:15 +0200
Enrico Jörns <e...@pengutronix.de> wrote:
> If we talk to terminals that like colors, we need to ignore the vt100
> escape sequences when matching strings.
>
> An unprocessed barebox console prompt would e.g. look like:
>
> ESC[1;32mbarebox@ESC[1;36mARM QEMU virt64:/ESC[0m
>
> where we cannot match for something like "barebox@ARM QEMU virt64:/".
> The same applies to colored Linux terminal output of course.
>
> The "\x1b\[" from the regex catches the standard start of ansii escape
^^^^^
I guess you mean "ansi" (single 'i'). I fixed that (and also converted
to uppercase) while applying the patch for testing, no need to resend.
> sequence while the rest catches the actual command code executed.
>
> Signed-off-by: Enrico Jorns <e...@pengutronix.de>
> ---
> meta/lib/oeqa/utils/qemurunner.py | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/meta/lib/oeqa/utils/qemurunner.py
> b/meta/lib/oeqa/utils/qemurunner.py
> index 6734cee48d..c3d8e9e815 100644
> --- a/meta/lib/oeqa/utils/qemurunner.py
> +++ b/meta/lib/oeqa/utils/qemurunner.py
> @@ -30,6 +30,8 @@ control_range = list(range(0,32))+list(range(127,160))
> control_chars = [chr(x) for x in control_range
> if chr(x) not in string.printable]
> re_control_char = re.compile('[%s]' % re.escape("".join(control_chars)))
> +# Regex to remove the ansii (color) control codes from console strings in
> order to match the text only
^^^^^
Same here.
Best regards,
Luca
--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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