Toshio Kuratomi <[email protected]> added the comment:
I've diagnosed this a bit further and have a workaround for you. It appears
that using addstr() with a string with embedded newlines is a piece of the
problem. If I modify your example program so that we add each line as a
separate string instead of adding them as a single string with embedded
newlines, we get the ncurses ERR on resize instead of a segfault:
import curses
def main(stdscr):
y, x = curses.LINES//3, curses.COLS//3 # size is arbitrary
box = '\n'.join('+'*x for _ in range(y))
w = stdscr.subwin(y, x+1, y, x)
while True:
new_box = box[:]
w.clear()
for offset, line in enumerate(box.splitlines()):
w.addstr(offset, 0, line)
w.getch() # not required, just avoids a hot loop
curses.wrapper(main)
I don't see anything in the curses specification that forbids embedded newlines
in the string to addstr(), though, so I am still thinking that this is a bug in
ncurses.
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<https://bugs.python.org/issue35924>
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