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
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
+re_vt100 = re.compile(r'(\x1b\[|\x9b)[^@-_a-z]*[@-_a-z]|\x1b[@-_a-z]')
class QemuRunner:
@@ -662,7 +664,7 @@ class QemuRunner:
time.sleep(0.1)
answer = self.server_socket.recv(1024)
if answer:
- data += answer.decode('utf-8')
+ data += re_vt100.sub("", answer.decode('utf-8'))
# Search the prompt to stop
if re.search(self.boot_patterns['search_cmd_finished'],
data):
break
--
2.39.2
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