str.center() bug with unicode characters
Port, board and/or hardware
Raspberry Pico; Linux PC
MicroPython version
MicroPython v1.25.0 on 2025-04-15; Raspberry Pi Pico W with RP2040
MicroPython v1.22.1+ds-1build2 on 2024-04-01; linux [GCC 13.2.0]
Reproduction
Run this code in REPL or separately:
print(len('°'.center(4)))
Expected behaviour
Expected to output 4
Observed behaviour
Outputs 3
Additional Information
No, I've provided everything above.
Code of Conduct
Yes, I agree
micropython crashes with `print(">>> ", end='')` expression after roughly 0.02 seconds
Checks
-
I agree to follow the MicroPython Code of Conduct to ensure a safe and respectful space for everyone.
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I've searched for existing issues matching this bug, and didn't find any.
Port, board and/or hardware
rp2
MicroPython version
MicroPython v1.22.2 on 2024-02-22; Raspberry Pi Pico with RP2040
Reproduction
import time
print('>>> ',end='')
while True:
time.sleep(0.02)
print("THIS SHOULD BE PRINTED!")
Expected behaviour
">>> " string without new line printed on shell
Observed behaviour
For some unknown reason, I can't print exactly what I want, which should be ">>> " without new line escape sequence (\n).
A workaround is to print ">>> \b" (three greater-than signs followed by two spaces and a backspace escape sequence (\b)).
To avoid crashes you need to print something after the print('>>> ',end='') in a time span of roughly less than 0.02 seconds, but as I said before, that is not the goal, i want to print exactly ">>> " without newline or any aditional characters, which I consider to be a bug.
Additional Information
No, I've provided everything above.