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Get --hold to work even when stdin is redirected

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This commit is contained in:
Kovid Goyal 2022-02-07 15:39:21 +05:30
parent 9b2db6ec53
commit fc17528337
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 11 additions and 8 deletions
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11
kitty/utils.py
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@ -860,13 +860,15 @@ def sanitize_control_codes(text: str, replace_with: str = '') -> str:
def hold_till_enter() -> None: def hold_till_enter() -> None:
import termios import termios
from kittens.tui.operations import init_state, set_cursor_visible from kittens.tui.operations import init_state, set_cursor_visible
term = os.ctermid() or '/dev/tty'
with open(term, 'w') as tty:
with suppress(BaseException): with suppress(BaseException):
print( print(
'\n\x1b[1;32mPress Enter to exit', '\n\x1b[1;32mPress Enter to exit',
end=init_state(alternate_screen=False, kitty_keyboard_mode=False) + set_cursor_visible(False), end=init_state(alternate_screen=False, kitty_keyboard_mode=False) + set_cursor_visible(False),
flush=True) flush=True, file=tty)
with suppress(BaseException): with suppress(BaseException), open(term, 'rb') as inp:
fd = sys.stdin.fileno() fd = inp.fileno()
old = termios.tcgetattr(fd) old = termios.tcgetattr(fd)
new = old[:] new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags' new[3] &= ~termios.ECHO # 3 == 'lflags'
@ -875,4 +877,5 @@ def hold_till_enter() -> None:
tcsetattr_flags |= getattr(termios, 'TCSASOFT') tcsetattr_flags |= getattr(termios, 'TCSASOFT')
termios.tcsetattr(fd, tcsetattr_flags, new) termios.tcsetattr(fd, tcsetattr_flags, new)
with suppress(KeyboardInterrupt): with suppress(KeyboardInterrupt):
input() while inp.read(1) not in b'\n\r':
pass